update `skip_std_check_if_no_download_rustc` doc-comments

Signed-off-by: onur-ozkan <work@onurozkan.dev>

8 files changed, 144 insertions, 140 deletions

diff --git a/src/bootstrap/src/core/config/config.rs b/src/bootstrap/src/core/config/config.rs
index 7457dc0bfed..c6e377f5565 100644
--- a/src/bootstrap/src/core/config/config.rs
+++ b/src/bootstrap/src/core/config/config.rs
@@ -424,7 +424,9 @@ pub struct Config {
     /// Cache for determining path modifications
     pub path_modification_cache: Arc<Mutex<HashMap<Vec<&'static str>, PathFreshness>>>,
 
-    /// Skip checking std if `rust.download-rustc` isn't available, mostly for RA
+    /// Skip checking the standard library if `rust.download-rustc` isn't available.
+    /// This is mostly for RA as building the stage1 compiler to check the library tree
+    /// on each code change might be too much for some computers.
     pub skip_std_check_if_no_download_rustc: bool,
 }
 
diff --git a/src/bootstrap/src/core/config/flags.rs b/src/bootstrap/src/core/config/flags.rs
index 72073cd69f4..45a0836ee67 100644
--- a/src/bootstrap/src/core/config/flags.rs
+++ b/src/bootstrap/src/core/config/flags.rs
@@ -182,7 +182,9 @@ pub struct Flags {
     /// Make bootstrap to behave as it's running on the CI environment or not.
     #[arg(global = true, long, value_name = "bool")]
     pub ci: Option<bool>,
-    /// Skip checking std if `rust.download-rustc` isn't available, mostly for RA
+    /// Skip checking the standard library if `rust.download-rustc` isn't available.
+    /// This is mostly for RA as building the stage1 compiler to check the library tree
+    /// on each code change might be too much for some computers.
     #[arg(global = true, long)]
     pub skip_std_check_if_no_download_rustc: bool,
 }
diff --git a/src/etc/completions/x.fish b/src/etc/completions/x.fish
index 19a1a598a5d..10a4e684e33 100644
--- a/src/etc/completions/x.fish
+++ b/src/etc/completions/x.fish
@@ -57,7 +57,7 @@ complete -c x -n "__fish_x_needs_command" -l bypass-bootstrap-lock -d 'Bootstrap
 complete -c x -n "__fish_x_needs_command" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x -n "__fish_x_needs_command" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x -n "__fish_x_needs_command" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x -n "__fish_x_needs_command" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x -n "__fish_x_needs_command" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x -n "__fish_x_needs_command" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x -n "__fish_x_needs_command" -a "build" -d 'Compile either the compiler or libraries'
 complete -c x -n "__fish_x_needs_command" -a "check" -d 'Compile either the compiler or libraries, using cargo check'
@@ -109,7 +109,7 @@ complete -c x -n "__fish_x_using_subcommand build" -l bypass-bootstrap-lock -d '
 complete -c x -n "__fish_x_using_subcommand build" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x -n "__fish_x_using_subcommand build" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x -n "__fish_x_using_subcommand build" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x -n "__fish_x_using_subcommand build" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x -n "__fish_x_using_subcommand build" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x -n "__fish_x_using_subcommand build" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x -n "__fish_x_using_subcommand check" -l config -d 'TOML configuration file for build' -r -F
 complete -c x -n "__fish_x_using_subcommand check" -l build-dir -d 'Build directory, overrides `build.build-dir` in `bootstrap.toml`' -r -f -a "(__fish_complete_directories)"
@@ -145,7 +145,7 @@ complete -c x -n "__fish_x_using_subcommand check" -l bypass-bootstrap-lock -d '
 complete -c x -n "__fish_x_using_subcommand check" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x -n "__fish_x_using_subcommand check" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x -n "__fish_x_using_subcommand check" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x -n "__fish_x_using_subcommand check" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x -n "__fish_x_using_subcommand check" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x -n "__fish_x_using_subcommand check" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x -n "__fish_x_using_subcommand clippy" -s A -d 'clippy lints to allow' -r
 complete -c x -n "__fish_x_using_subcommand clippy" -s D -d 'clippy lints to deny' -r
@@ -187,7 +187,7 @@ complete -c x -n "__fish_x_using_subcommand clippy" -l bypass-bootstrap-lock -d
 complete -c x -n "__fish_x_using_subcommand clippy" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x -n "__fish_x_using_subcommand clippy" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x -n "__fish_x_using_subcommand clippy" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x -n "__fish_x_using_subcommand clippy" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x -n "__fish_x_using_subcommand clippy" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x -n "__fish_x_using_subcommand clippy" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x -n "__fish_x_using_subcommand fix" -l config -d 'TOML configuration file for build' -r -F
 complete -c x -n "__fish_x_using_subcommand fix" -l build-dir -d 'Build directory, overrides `build.build-dir` in `bootstrap.toml`' -r -f -a "(__fish_complete_directories)"
@@ -222,7 +222,7 @@ complete -c x -n "__fish_x_using_subcommand fix" -l bypass-bootstrap-lock -d 'Bo
 complete -c x -n "__fish_x_using_subcommand fix" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x -n "__fish_x_using_subcommand fix" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x -n "__fish_x_using_subcommand fix" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x -n "__fish_x_using_subcommand fix" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x -n "__fish_x_using_subcommand fix" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x -n "__fish_x_using_subcommand fix" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x -n "__fish_x_using_subcommand fmt" -l config -d 'TOML configuration file for build' -r -F
 complete -c x -n "__fish_x_using_subcommand fmt" -l build-dir -d 'Build directory, overrides `build.build-dir` in `bootstrap.toml`' -r -f -a "(__fish_complete_directories)"
@@ -259,7 +259,7 @@ complete -c x -n "__fish_x_using_subcommand fmt" -l bypass-bootstrap-lock -d 'Bo
 complete -c x -n "__fish_x_using_subcommand fmt" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x -n "__fish_x_using_subcommand fmt" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x -n "__fish_x_using_subcommand fmt" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x -n "__fish_x_using_subcommand fmt" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x -n "__fish_x_using_subcommand fmt" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x -n "__fish_x_using_subcommand fmt" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x -n "__fish_x_using_subcommand doc" -l config -d 'TOML configuration file for build' -r -F
 complete -c x -n "__fish_x_using_subcommand doc" -l build-dir -d 'Build directory, overrides `build.build-dir` in `bootstrap.toml`' -r -f -a "(__fish_complete_directories)"
@@ -296,7 +296,7 @@ complete -c x -n "__fish_x_using_subcommand doc" -l bypass-bootstrap-lock -d 'Bo
 complete -c x -n "__fish_x_using_subcommand doc" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x -n "__fish_x_using_subcommand doc" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x -n "__fish_x_using_subcommand doc" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x -n "__fish_x_using_subcommand doc" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x -n "__fish_x_using_subcommand doc" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x -n "__fish_x_using_subcommand doc" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x -n "__fish_x_using_subcommand test" -l test-args -d 'extra arguments to be passed for the test tool being used (e.g. libtest, compiletest or rustdoc)' -r
 complete -c x -n "__fish_x_using_subcommand test" -l compiletest-rustc-args -d 'extra options to pass the compiler when running compiletest tests' -r
@@ -345,7 +345,7 @@ complete -c x -n "__fish_x_using_subcommand test" -l bypass-bootstrap-lock -d 'B
 complete -c x -n "__fish_x_using_subcommand test" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x -n "__fish_x_using_subcommand test" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x -n "__fish_x_using_subcommand test" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x -n "__fish_x_using_subcommand test" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x -n "__fish_x_using_subcommand test" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x -n "__fish_x_using_subcommand test" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x -n "__fish_x_using_subcommand miri" -l test-args -d 'extra arguments to be passed for the test tool being used (e.g. libtest, compiletest or rustdoc)' -r
 complete -c x -n "__fish_x_using_subcommand miri" -l config -d 'TOML configuration file for build' -r -F
@@ -384,7 +384,7 @@ complete -c x -n "__fish_x_using_subcommand miri" -l bypass-bootstrap-lock -d 'B
 complete -c x -n "__fish_x_using_subcommand miri" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x -n "__fish_x_using_subcommand miri" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x -n "__fish_x_using_subcommand miri" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x -n "__fish_x_using_subcommand miri" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x -n "__fish_x_using_subcommand miri" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x -n "__fish_x_using_subcommand miri" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x -n "__fish_x_using_subcommand bench" -l test-args -r
 complete -c x -n "__fish_x_using_subcommand bench" -l config -d 'TOML configuration file for build' -r -F
@@ -420,7 +420,7 @@ complete -c x -n "__fish_x_using_subcommand bench" -l bypass-bootstrap-lock -d '
 complete -c x -n "__fish_x_using_subcommand bench" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x -n "__fish_x_using_subcommand bench" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x -n "__fish_x_using_subcommand bench" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x -n "__fish_x_using_subcommand bench" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x -n "__fish_x_using_subcommand bench" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x -n "__fish_x_using_subcommand bench" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x -n "__fish_x_using_subcommand clean" -l stage -d 'Clean a specific stage without touching other artifacts. By default, every stage is cleaned if this option is not used' -r
 complete -c x -n "__fish_x_using_subcommand clean" -l config -d 'TOML configuration file for build' -r -F
@@ -456,7 +456,7 @@ complete -c x -n "__fish_x_using_subcommand clean" -l bypass-bootstrap-lock -d '
 complete -c x -n "__fish_x_using_subcommand clean" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x -n "__fish_x_using_subcommand clean" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x -n "__fish_x_using_subcommand clean" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x -n "__fish_x_using_subcommand clean" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x -n "__fish_x_using_subcommand clean" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x -n "__fish_x_using_subcommand clean" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x -n "__fish_x_using_subcommand dist" -l config -d 'TOML configuration file for build' -r -F
 complete -c x -n "__fish_x_using_subcommand dist" -l build-dir -d 'Build directory, overrides `build.build-dir` in `bootstrap.toml`' -r -f -a "(__fish_complete_directories)"
@@ -491,7 +491,7 @@ complete -c x -n "__fish_x_using_subcommand dist" -l bypass-bootstrap-lock -d 'B
 complete -c x -n "__fish_x_using_subcommand dist" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x -n "__fish_x_using_subcommand dist" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x -n "__fish_x_using_subcommand dist" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x -n "__fish_x_using_subcommand dist" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x -n "__fish_x_using_subcommand dist" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x -n "__fish_x_using_subcommand dist" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x -n "__fish_x_using_subcommand install" -l config -d 'TOML configuration file for build' -r -F
 complete -c x -n "__fish_x_using_subcommand install" -l build-dir -d 'Build directory, overrides `build.build-dir` in `bootstrap.toml`' -r -f -a "(__fish_complete_directories)"
@@ -526,7 +526,7 @@ complete -c x -n "__fish_x_using_subcommand install" -l bypass-bootstrap-lock -d
 complete -c x -n "__fish_x_using_subcommand install" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x -n "__fish_x_using_subcommand install" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x -n "__fish_x_using_subcommand install" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x -n "__fish_x_using_subcommand install" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x -n "__fish_x_using_subcommand install" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x -n "__fish_x_using_subcommand install" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x -n "__fish_x_using_subcommand run" -l args -d 'arguments for the tool' -r
 complete -c x -n "__fish_x_using_subcommand run" -l config -d 'TOML configuration file for build' -r -F
@@ -562,7 +562,7 @@ complete -c x -n "__fish_x_using_subcommand run" -l bypass-bootstrap-lock -d 'Bo
 complete -c x -n "__fish_x_using_subcommand run" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x -n "__fish_x_using_subcommand run" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x -n "__fish_x_using_subcommand run" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x -n "__fish_x_using_subcommand run" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x -n "__fish_x_using_subcommand run" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x -n "__fish_x_using_subcommand run" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x -n "__fish_x_using_subcommand setup" -l config -d 'TOML configuration file for build' -r -F
 complete -c x -n "__fish_x_using_subcommand setup" -l build-dir -d 'Build directory, overrides `build.build-dir` in `bootstrap.toml`' -r -f -a "(__fish_complete_directories)"
@@ -597,7 +597,7 @@ complete -c x -n "__fish_x_using_subcommand setup" -l bypass-bootstrap-lock -d '
 complete -c x -n "__fish_x_using_subcommand setup" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x -n "__fish_x_using_subcommand setup" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x -n "__fish_x_using_subcommand setup" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x -n "__fish_x_using_subcommand setup" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x -n "__fish_x_using_subcommand setup" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x -n "__fish_x_using_subcommand setup" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x -n "__fish_x_using_subcommand suggest" -l config -d 'TOML configuration file for build' -r -F
 complete -c x -n "__fish_x_using_subcommand suggest" -l build-dir -d 'Build directory, overrides `build.build-dir` in `bootstrap.toml`' -r -f -a "(__fish_complete_directories)"
@@ -633,7 +633,7 @@ complete -c x -n "__fish_x_using_subcommand suggest" -l bypass-bootstrap-lock -d
 complete -c x -n "__fish_x_using_subcommand suggest" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x -n "__fish_x_using_subcommand suggest" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x -n "__fish_x_using_subcommand suggest" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x -n "__fish_x_using_subcommand suggest" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x -n "__fish_x_using_subcommand suggest" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x -n "__fish_x_using_subcommand suggest" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x -n "__fish_x_using_subcommand vendor" -l sync -d 'Additional `Cargo.toml` to sync and vendor' -r -F
 complete -c x -n "__fish_x_using_subcommand vendor" -l config -d 'TOML configuration file for build' -r -F
@@ -670,7 +670,7 @@ complete -c x -n "__fish_x_using_subcommand vendor" -l bypass-bootstrap-lock -d
 complete -c x -n "__fish_x_using_subcommand vendor" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x -n "__fish_x_using_subcommand vendor" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x -n "__fish_x_using_subcommand vendor" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x -n "__fish_x_using_subcommand vendor" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x -n "__fish_x_using_subcommand vendor" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x -n "__fish_x_using_subcommand vendor" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x -n "__fish_x_using_subcommand perf; and not __fish_seen_subcommand_from eprintln samply cachegrind benchmark compare" -l config -d 'TOML configuration file for build' -r -F
 complete -c x -n "__fish_x_using_subcommand perf; and not __fish_seen_subcommand_from eprintln samply cachegrind benchmark compare" -l build-dir -d 'Build directory, overrides `build.build-dir` in `bootstrap.toml`' -r -f -a "(__fish_complete_directories)"
@@ -705,7 +705,7 @@ complete -c x -n "__fish_x_using_subcommand perf; and not __fish_seen_subcommand
 complete -c x -n "__fish_x_using_subcommand perf; and not __fish_seen_subcommand_from eprintln samply cachegrind benchmark compare" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x -n "__fish_x_using_subcommand perf; and not __fish_seen_subcommand_from eprintln samply cachegrind benchmark compare" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x -n "__fish_x_using_subcommand perf; and not __fish_seen_subcommand_from eprintln samply cachegrind benchmark compare" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x -n "__fish_x_using_subcommand perf; and not __fish_seen_subcommand_from eprintln samply cachegrind benchmark compare" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x -n "__fish_x_using_subcommand perf; and not __fish_seen_subcommand_from eprintln samply cachegrind benchmark compare" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x -n "__fish_x_using_subcommand perf; and not __fish_seen_subcommand_from eprintln samply cachegrind benchmark compare" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x -n "__fish_x_using_subcommand perf; and not __fish_seen_subcommand_from eprintln samply cachegrind benchmark compare" -a "eprintln" -d 'Run `profile_local eprintln`. This executes the compiler on the given benchmarks and stores its stderr output'
 complete -c x -n "__fish_x_using_subcommand perf; and not __fish_seen_subcommand_from eprintln samply cachegrind benchmark compare" -a "samply" -d 'Run `profile_local samply` This executes the compiler on the given benchmarks and profiles it with `samply`. You need to install `samply`, e.g. using `cargo install samply`'
@@ -748,7 +748,7 @@ complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_fro
 complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from eprintln" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from eprintln" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from eprintln" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from eprintln" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from eprintln" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from eprintln" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from samply" -l include -d 'Select the benchmarks that you want to run (separated by commas). If unspecified, all benchmarks will be executed' -r
 complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from samply" -l exclude -d 'Select the benchmarks matching a prefix in this comma-separated list that you don\'t want to run' -r
@@ -786,7 +786,7 @@ complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_fro
 complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from samply" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from samply" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from samply" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from samply" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from samply" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from samply" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from cachegrind" -l include -d 'Select the benchmarks that you want to run (separated by commas). If unspecified, all benchmarks will be executed' -r
 complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from cachegrind" -l exclude -d 'Select the benchmarks matching a prefix in this comma-separated list that you don\'t want to run' -r
@@ -824,7 +824,7 @@ complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_fro
 complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from cachegrind" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from cachegrind" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from cachegrind" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from cachegrind" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from cachegrind" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from cachegrind" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from benchmark" -l include -d 'Select the benchmarks that you want to run (separated by commas). If unspecified, all benchmarks will be executed' -r
 complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from benchmark" -l exclude -d 'Select the benchmarks matching a prefix in this comma-separated list that you don\'t want to run' -r
@@ -862,7 +862,7 @@ complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_fro
 complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from benchmark" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from benchmark" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from benchmark" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from benchmark" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from benchmark" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from benchmark" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from compare" -l config -d 'TOML configuration file for build' -r -F
 complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from compare" -l build-dir -d 'Build directory, overrides `build.build-dir` in `bootstrap.toml`' -r -f -a "(__fish_complete_directories)"
@@ -897,5 +897,5 @@ complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_fro
 complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from compare" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from compare" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from compare" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from compare" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from compare" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x -n "__fish_x_using_subcommand perf; and __fish_seen_subcommand_from compare" -s h -l help -d 'Print help (see more with \'--help\')'
diff --git a/src/etc/completions/x.ps1 b/src/etc/completions/x.ps1
index 805ab7fa61a..23d8fe0cdd3 100644
--- a/src/etc/completions/x.ps1
+++ b/src/etc/completions/x.ps1
@@ -57,7 +57,7 @@ Register-ArgumentCompleter -Native -CommandName 'x' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('build', 'build', [CompletionResultType]::ParameterValue, 'Compile either the compiler or libraries')
@@ -116,7 +116,7 @@ Register-ArgumentCompleter -Native -CommandName 'x' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -159,7 +159,7 @@ Register-ArgumentCompleter -Native -CommandName 'x' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -208,7 +208,7 @@ Register-ArgumentCompleter -Native -CommandName 'x' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -250,7 +250,7 @@ Register-ArgumentCompleter -Native -CommandName 'x' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -294,7 +294,7 @@ Register-ArgumentCompleter -Native -CommandName 'x' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -338,7 +338,7 @@ Register-ArgumentCompleter -Native -CommandName 'x' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -394,7 +394,7 @@ Register-ArgumentCompleter -Native -CommandName 'x' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -440,7 +440,7 @@ Register-ArgumentCompleter -Native -CommandName 'x' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -483,7 +483,7 @@ Register-ArgumentCompleter -Native -CommandName 'x' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -526,7 +526,7 @@ Register-ArgumentCompleter -Native -CommandName 'x' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -568,7 +568,7 @@ Register-ArgumentCompleter -Native -CommandName 'x' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -610,7 +610,7 @@ Register-ArgumentCompleter -Native -CommandName 'x' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -653,7 +653,7 @@ Register-ArgumentCompleter -Native -CommandName 'x' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -695,7 +695,7 @@ Register-ArgumentCompleter -Native -CommandName 'x' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -738,7 +738,7 @@ Register-ArgumentCompleter -Native -CommandName 'x' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -782,7 +782,7 @@ Register-ArgumentCompleter -Native -CommandName 'x' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -824,7 +824,7 @@ Register-ArgumentCompleter -Native -CommandName 'x' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('eprintln', 'eprintln', [CompletionResultType]::ParameterValue, 'Run `profile_local eprintln`. This executes the compiler on the given benchmarks and stores its stderr output')
@@ -874,7 +874,7 @@ Register-ArgumentCompleter -Native -CommandName 'x' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -919,7 +919,7 @@ Register-ArgumentCompleter -Native -CommandName 'x' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -964,7 +964,7 @@ Register-ArgumentCompleter -Native -CommandName 'x' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -1009,7 +1009,7 @@ Register-ArgumentCompleter -Native -CommandName 'x' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -1051,7 +1051,7 @@ Register-ArgumentCompleter -Native -CommandName 'x' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
diff --git a/src/etc/completions/x.py.fish b/src/etc/completions/x.py.fish
index 1da37b4a5b4..1fc5bb12cfb 100644
--- a/src/etc/completions/x.py.fish
+++ b/src/etc/completions/x.py.fish
@@ -57,7 +57,7 @@ complete -c x.py -n "__fish_x.py_needs_command" -l bypass-bootstrap-lock -d 'Boo
 complete -c x.py -n "__fish_x.py_needs_command" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x.py -n "__fish_x.py_needs_command" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x.py -n "__fish_x.py_needs_command" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x.py -n "__fish_x.py_needs_command" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x.py -n "__fish_x.py_needs_command" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x.py -n "__fish_x.py_needs_command" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x.py -n "__fish_x.py_needs_command" -a "build" -d 'Compile either the compiler or libraries'
 complete -c x.py -n "__fish_x.py_needs_command" -a "check" -d 'Compile either the compiler or libraries, using cargo check'
@@ -109,7 +109,7 @@ complete -c x.py -n "__fish_x.py_using_subcommand build" -l bypass-bootstrap-loc
 complete -c x.py -n "__fish_x.py_using_subcommand build" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x.py -n "__fish_x.py_using_subcommand build" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x.py -n "__fish_x.py_using_subcommand build" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x.py -n "__fish_x.py_using_subcommand build" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x.py -n "__fish_x.py_using_subcommand build" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x.py -n "__fish_x.py_using_subcommand build" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x.py -n "__fish_x.py_using_subcommand check" -l config -d 'TOML configuration file for build' -r -F
 complete -c x.py -n "__fish_x.py_using_subcommand check" -l build-dir -d 'Build directory, overrides `build.build-dir` in `bootstrap.toml`' -r -f -a "(__fish_complete_directories)"
@@ -145,7 +145,7 @@ complete -c x.py -n "__fish_x.py_using_subcommand check" -l bypass-bootstrap-loc
 complete -c x.py -n "__fish_x.py_using_subcommand check" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x.py -n "__fish_x.py_using_subcommand check" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x.py -n "__fish_x.py_using_subcommand check" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x.py -n "__fish_x.py_using_subcommand check" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x.py -n "__fish_x.py_using_subcommand check" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x.py -n "__fish_x.py_using_subcommand check" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x.py -n "__fish_x.py_using_subcommand clippy" -s A -d 'clippy lints to allow' -r
 complete -c x.py -n "__fish_x.py_using_subcommand clippy" -s D -d 'clippy lints to deny' -r
@@ -187,7 +187,7 @@ complete -c x.py -n "__fish_x.py_using_subcommand clippy" -l bypass-bootstrap-lo
 complete -c x.py -n "__fish_x.py_using_subcommand clippy" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x.py -n "__fish_x.py_using_subcommand clippy" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x.py -n "__fish_x.py_using_subcommand clippy" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x.py -n "__fish_x.py_using_subcommand clippy" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x.py -n "__fish_x.py_using_subcommand clippy" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x.py -n "__fish_x.py_using_subcommand clippy" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x.py -n "__fish_x.py_using_subcommand fix" -l config -d 'TOML configuration file for build' -r -F
 complete -c x.py -n "__fish_x.py_using_subcommand fix" -l build-dir -d 'Build directory, overrides `build.build-dir` in `bootstrap.toml`' -r -f -a "(__fish_complete_directories)"
@@ -222,7 +222,7 @@ complete -c x.py -n "__fish_x.py_using_subcommand fix" -l bypass-bootstrap-lock
 complete -c x.py -n "__fish_x.py_using_subcommand fix" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x.py -n "__fish_x.py_using_subcommand fix" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x.py -n "__fish_x.py_using_subcommand fix" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x.py -n "__fish_x.py_using_subcommand fix" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x.py -n "__fish_x.py_using_subcommand fix" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x.py -n "__fish_x.py_using_subcommand fix" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x.py -n "__fish_x.py_using_subcommand fmt" -l config -d 'TOML configuration file for build' -r -F
 complete -c x.py -n "__fish_x.py_using_subcommand fmt" -l build-dir -d 'Build directory, overrides `build.build-dir` in `bootstrap.toml`' -r -f -a "(__fish_complete_directories)"
@@ -259,7 +259,7 @@ complete -c x.py -n "__fish_x.py_using_subcommand fmt" -l bypass-bootstrap-lock
 complete -c x.py -n "__fish_x.py_using_subcommand fmt" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x.py -n "__fish_x.py_using_subcommand fmt" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x.py -n "__fish_x.py_using_subcommand fmt" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x.py -n "__fish_x.py_using_subcommand fmt" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x.py -n "__fish_x.py_using_subcommand fmt" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x.py -n "__fish_x.py_using_subcommand fmt" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x.py -n "__fish_x.py_using_subcommand doc" -l config -d 'TOML configuration file for build' -r -F
 complete -c x.py -n "__fish_x.py_using_subcommand doc" -l build-dir -d 'Build directory, overrides `build.build-dir` in `bootstrap.toml`' -r -f -a "(__fish_complete_directories)"
@@ -296,7 +296,7 @@ complete -c x.py -n "__fish_x.py_using_subcommand doc" -l bypass-bootstrap-lock
 complete -c x.py -n "__fish_x.py_using_subcommand doc" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x.py -n "__fish_x.py_using_subcommand doc" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x.py -n "__fish_x.py_using_subcommand doc" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x.py -n "__fish_x.py_using_subcommand doc" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x.py -n "__fish_x.py_using_subcommand doc" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x.py -n "__fish_x.py_using_subcommand doc" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x.py -n "__fish_x.py_using_subcommand test" -l test-args -d 'extra arguments to be passed for the test tool being used (e.g. libtest, compiletest or rustdoc)' -r
 complete -c x.py -n "__fish_x.py_using_subcommand test" -l compiletest-rustc-args -d 'extra options to pass the compiler when running compiletest tests' -r
@@ -345,7 +345,7 @@ complete -c x.py -n "__fish_x.py_using_subcommand test" -l bypass-bootstrap-lock
 complete -c x.py -n "__fish_x.py_using_subcommand test" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x.py -n "__fish_x.py_using_subcommand test" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x.py -n "__fish_x.py_using_subcommand test" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x.py -n "__fish_x.py_using_subcommand test" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x.py -n "__fish_x.py_using_subcommand test" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x.py -n "__fish_x.py_using_subcommand test" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x.py -n "__fish_x.py_using_subcommand miri" -l test-args -d 'extra arguments to be passed for the test tool being used (e.g. libtest, compiletest or rustdoc)' -r
 complete -c x.py -n "__fish_x.py_using_subcommand miri" -l config -d 'TOML configuration file for build' -r -F
@@ -384,7 +384,7 @@ complete -c x.py -n "__fish_x.py_using_subcommand miri" -l bypass-bootstrap-lock
 complete -c x.py -n "__fish_x.py_using_subcommand miri" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x.py -n "__fish_x.py_using_subcommand miri" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x.py -n "__fish_x.py_using_subcommand miri" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x.py -n "__fish_x.py_using_subcommand miri" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x.py -n "__fish_x.py_using_subcommand miri" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x.py -n "__fish_x.py_using_subcommand miri" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x.py -n "__fish_x.py_using_subcommand bench" -l test-args -r
 complete -c x.py -n "__fish_x.py_using_subcommand bench" -l config -d 'TOML configuration file for build' -r -F
@@ -420,7 +420,7 @@ complete -c x.py -n "__fish_x.py_using_subcommand bench" -l bypass-bootstrap-loc
 complete -c x.py -n "__fish_x.py_using_subcommand bench" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x.py -n "__fish_x.py_using_subcommand bench" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x.py -n "__fish_x.py_using_subcommand bench" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x.py -n "__fish_x.py_using_subcommand bench" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x.py -n "__fish_x.py_using_subcommand bench" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x.py -n "__fish_x.py_using_subcommand bench" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x.py -n "__fish_x.py_using_subcommand clean" -l stage -d 'Clean a specific stage without touching other artifacts. By default, every stage is cleaned if this option is not used' -r
 complete -c x.py -n "__fish_x.py_using_subcommand clean" -l config -d 'TOML configuration file for build' -r -F
@@ -456,7 +456,7 @@ complete -c x.py -n "__fish_x.py_using_subcommand clean" -l bypass-bootstrap-loc
 complete -c x.py -n "__fish_x.py_using_subcommand clean" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x.py -n "__fish_x.py_using_subcommand clean" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x.py -n "__fish_x.py_using_subcommand clean" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x.py -n "__fish_x.py_using_subcommand clean" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x.py -n "__fish_x.py_using_subcommand clean" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x.py -n "__fish_x.py_using_subcommand clean" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x.py -n "__fish_x.py_using_subcommand dist" -l config -d 'TOML configuration file for build' -r -F
 complete -c x.py -n "__fish_x.py_using_subcommand dist" -l build-dir -d 'Build directory, overrides `build.build-dir` in `bootstrap.toml`' -r -f -a "(__fish_complete_directories)"
@@ -491,7 +491,7 @@ complete -c x.py -n "__fish_x.py_using_subcommand dist" -l bypass-bootstrap-lock
 complete -c x.py -n "__fish_x.py_using_subcommand dist" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x.py -n "__fish_x.py_using_subcommand dist" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x.py -n "__fish_x.py_using_subcommand dist" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x.py -n "__fish_x.py_using_subcommand dist" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x.py -n "__fish_x.py_using_subcommand dist" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x.py -n "__fish_x.py_using_subcommand dist" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x.py -n "__fish_x.py_using_subcommand install" -l config -d 'TOML configuration file for build' -r -F
 complete -c x.py -n "__fish_x.py_using_subcommand install" -l build-dir -d 'Build directory, overrides `build.build-dir` in `bootstrap.toml`' -r -f -a "(__fish_complete_directories)"
@@ -526,7 +526,7 @@ complete -c x.py -n "__fish_x.py_using_subcommand install" -l bypass-bootstrap-l
 complete -c x.py -n "__fish_x.py_using_subcommand install" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x.py -n "__fish_x.py_using_subcommand install" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x.py -n "__fish_x.py_using_subcommand install" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x.py -n "__fish_x.py_using_subcommand install" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x.py -n "__fish_x.py_using_subcommand install" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x.py -n "__fish_x.py_using_subcommand install" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x.py -n "__fish_x.py_using_subcommand run" -l args -d 'arguments for the tool' -r
 complete -c x.py -n "__fish_x.py_using_subcommand run" -l config -d 'TOML configuration file for build' -r -F
@@ -562,7 +562,7 @@ complete -c x.py -n "__fish_x.py_using_subcommand run" -l bypass-bootstrap-lock
 complete -c x.py -n "__fish_x.py_using_subcommand run" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x.py -n "__fish_x.py_using_subcommand run" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x.py -n "__fish_x.py_using_subcommand run" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x.py -n "__fish_x.py_using_subcommand run" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x.py -n "__fish_x.py_using_subcommand run" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x.py -n "__fish_x.py_using_subcommand run" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x.py -n "__fish_x.py_using_subcommand setup" -l config -d 'TOML configuration file for build' -r -F
 complete -c x.py -n "__fish_x.py_using_subcommand setup" -l build-dir -d 'Build directory, overrides `build.build-dir` in `bootstrap.toml`' -r -f -a "(__fish_complete_directories)"
@@ -597,7 +597,7 @@ complete -c x.py -n "__fish_x.py_using_subcommand setup" -l bypass-bootstrap-loc
 complete -c x.py -n "__fish_x.py_using_subcommand setup" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x.py -n "__fish_x.py_using_subcommand setup" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x.py -n "__fish_x.py_using_subcommand setup" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x.py -n "__fish_x.py_using_subcommand setup" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x.py -n "__fish_x.py_using_subcommand setup" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x.py -n "__fish_x.py_using_subcommand setup" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x.py -n "__fish_x.py_using_subcommand suggest" -l config -d 'TOML configuration file for build' -r -F
 complete -c x.py -n "__fish_x.py_using_subcommand suggest" -l build-dir -d 'Build directory, overrides `build.build-dir` in `bootstrap.toml`' -r -f -a "(__fish_complete_directories)"
@@ -633,7 +633,7 @@ complete -c x.py -n "__fish_x.py_using_subcommand suggest" -l bypass-bootstrap-l
 complete -c x.py -n "__fish_x.py_using_subcommand suggest" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x.py -n "__fish_x.py_using_subcommand suggest" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x.py -n "__fish_x.py_using_subcommand suggest" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x.py -n "__fish_x.py_using_subcommand suggest" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x.py -n "__fish_x.py_using_subcommand suggest" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x.py -n "__fish_x.py_using_subcommand suggest" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x.py -n "__fish_x.py_using_subcommand vendor" -l sync -d 'Additional `Cargo.toml` to sync and vendor' -r -F
 complete -c x.py -n "__fish_x.py_using_subcommand vendor" -l config -d 'TOML configuration file for build' -r -F
@@ -670,7 +670,7 @@ complete -c x.py -n "__fish_x.py_using_subcommand vendor" -l bypass-bootstrap-lo
 complete -c x.py -n "__fish_x.py_using_subcommand vendor" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x.py -n "__fish_x.py_using_subcommand vendor" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x.py -n "__fish_x.py_using_subcommand vendor" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x.py -n "__fish_x.py_using_subcommand vendor" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x.py -n "__fish_x.py_using_subcommand vendor" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x.py -n "__fish_x.py_using_subcommand vendor" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and not __fish_seen_subcommand_from eprintln samply cachegrind benchmark compare" -l config -d 'TOML configuration file for build' -r -F
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and not __fish_seen_subcommand_from eprintln samply cachegrind benchmark compare" -l build-dir -d 'Build directory, overrides `build.build-dir` in `bootstrap.toml`' -r -f -a "(__fish_complete_directories)"
@@ -705,7 +705,7 @@ complete -c x.py -n "__fish_x.py_using_subcommand perf; and not __fish_seen_subc
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and not __fish_seen_subcommand_from eprintln samply cachegrind benchmark compare" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and not __fish_seen_subcommand_from eprintln samply cachegrind benchmark compare" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and not __fish_seen_subcommand_from eprintln samply cachegrind benchmark compare" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x.py -n "__fish_x.py_using_subcommand perf; and not __fish_seen_subcommand_from eprintln samply cachegrind benchmark compare" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x.py -n "__fish_x.py_using_subcommand perf; and not __fish_seen_subcommand_from eprintln samply cachegrind benchmark compare" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and not __fish_seen_subcommand_from eprintln samply cachegrind benchmark compare" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and not __fish_seen_subcommand_from eprintln samply cachegrind benchmark compare" -a "eprintln" -d 'Run `profile_local eprintln`. This executes the compiler on the given benchmarks and stores its stderr output'
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and not __fish_seen_subcommand_from eprintln samply cachegrind benchmark compare" -a "samply" -d 'Run `profile_local samply` This executes the compiler on the given benchmarks and profiles it with `samply`. You need to install `samply`, e.g. using `cargo install samply`'
@@ -748,7 +748,7 @@ complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcomma
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from eprintln" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from eprintln" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from eprintln" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from eprintln" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from eprintln" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from eprintln" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from samply" -l include -d 'Select the benchmarks that you want to run (separated by commas). If unspecified, all benchmarks will be executed' -r
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from samply" -l exclude -d 'Select the benchmarks matching a prefix in this comma-separated list that you don\'t want to run' -r
@@ -786,7 +786,7 @@ complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcomma
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from samply" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from samply" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from samply" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from samply" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from samply" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from samply" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from cachegrind" -l include -d 'Select the benchmarks that you want to run (separated by commas). If unspecified, all benchmarks will be executed' -r
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from cachegrind" -l exclude -d 'Select the benchmarks matching a prefix in this comma-separated list that you don\'t want to run' -r
@@ -824,7 +824,7 @@ complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcomma
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from cachegrind" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from cachegrind" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from cachegrind" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from cachegrind" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from cachegrind" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from cachegrind" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from benchmark" -l include -d 'Select the benchmarks that you want to run (separated by commas). If unspecified, all benchmarks will be executed' -r
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from benchmark" -l exclude -d 'Select the benchmarks matching a prefix in this comma-separated list that you don\'t want to run' -r
@@ -862,7 +862,7 @@ complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcomma
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from benchmark" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from benchmark" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from benchmark" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from benchmark" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from benchmark" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from benchmark" -s h -l help -d 'Print help (see more with \'--help\')'
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from compare" -l config -d 'TOML configuration file for build' -r -F
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from compare" -l build-dir -d 'Build directory, overrides `build.build-dir` in `bootstrap.toml`' -r -f -a "(__fish_complete_directories)"
@@ -897,5 +897,5 @@ complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcomma
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from compare" -l llvm-profile-generate -d 'generate PGO profile with llvm built for rustc'
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from compare" -l enable-bolt-settings -d 'Enable BOLT link flags'
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from compare" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
-complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from compare" -l skip-std-check-if-no-download-rustc -d 'Skip checking std if `rust.download-rustc` isn\'t available, mostly for RA'
+complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from compare" -l skip-std-check-if-no-download-rustc -d 'Skip checking the standard library if `rust.download-rustc` isn\'t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers'
 complete -c x.py -n "__fish_x.py_using_subcommand perf; and __fish_seen_subcommand_from compare" -s h -l help -d 'Print help (see more with \'--help\')'
diff --git a/src/etc/completions/x.py.ps1 b/src/etc/completions/x.py.ps1
index 8444716ae86..5d224ac6df4 100644
--- a/src/etc/completions/x.py.ps1
+++ b/src/etc/completions/x.py.ps1
@@ -57,7 +57,7 @@ Register-ArgumentCompleter -Native -CommandName 'x.py' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('build', 'build', [CompletionResultType]::ParameterValue, 'Compile either the compiler or libraries')
@@ -116,7 +116,7 @@ Register-ArgumentCompleter -Native -CommandName 'x.py' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -159,7 +159,7 @@ Register-ArgumentCompleter -Native -CommandName 'x.py' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -208,7 +208,7 @@ Register-ArgumentCompleter -Native -CommandName 'x.py' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -250,7 +250,7 @@ Register-ArgumentCompleter -Native -CommandName 'x.py' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -294,7 +294,7 @@ Register-ArgumentCompleter -Native -CommandName 'x.py' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -338,7 +338,7 @@ Register-ArgumentCompleter -Native -CommandName 'x.py' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -394,7 +394,7 @@ Register-ArgumentCompleter -Native -CommandName 'x.py' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -440,7 +440,7 @@ Register-ArgumentCompleter -Native -CommandName 'x.py' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -483,7 +483,7 @@ Register-ArgumentCompleter -Native -CommandName 'x.py' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -526,7 +526,7 @@ Register-ArgumentCompleter -Native -CommandName 'x.py' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -568,7 +568,7 @@ Register-ArgumentCompleter -Native -CommandName 'x.py' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -610,7 +610,7 @@ Register-ArgumentCompleter -Native -CommandName 'x.py' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -653,7 +653,7 @@ Register-ArgumentCompleter -Native -CommandName 'x.py' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -695,7 +695,7 @@ Register-ArgumentCompleter -Native -CommandName 'x.py' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -738,7 +738,7 @@ Register-ArgumentCompleter -Native -CommandName 'x.py' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -782,7 +782,7 @@ Register-ArgumentCompleter -Native -CommandName 'x.py' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -824,7 +824,7 @@ Register-ArgumentCompleter -Native -CommandName 'x.py' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('eprintln', 'eprintln', [CompletionResultType]::ParameterValue, 'Run `profile_local eprintln`. This executes the compiler on the given benchmarks and stores its stderr output')
@@ -874,7 +874,7 @@ Register-ArgumentCompleter -Native -CommandName 'x.py' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -919,7 +919,7 @@ Register-ArgumentCompleter -Native -CommandName 'x.py' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -964,7 +964,7 @@ Register-ArgumentCompleter -Native -CommandName 'x.py' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -1009,7 +1009,7 @@ Register-ArgumentCompleter -Native -CommandName 'x.py' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
@@ -1051,7 +1051,7 @@ Register-ArgumentCompleter -Native -CommandName 'x.py' -ScriptBlock {
             [CompletionResult]::new('--llvm-profile-generate', '--llvm-profile-generate', [CompletionResultType]::ParameterName, 'generate PGO profile with llvm built for rustc')
             [CompletionResult]::new('--enable-bolt-settings', '--enable-bolt-settings', [CompletionResultType]::ParameterName, 'Enable BOLT link flags')
             [CompletionResult]::new('--skip-stage0-validation', '--skip-stage0-validation', [CompletionResultType]::ParameterName, 'Skip stage0 compiler validation')
-            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking std if `rust.download-rustc` isn''t available, mostly for RA')
+            [CompletionResult]::new('--skip-std-check-if-no-download-rustc', '--skip-std-check-if-no-download-rustc', [CompletionResultType]::ParameterName, 'Skip checking the standard library if `rust.download-rustc` isn''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers')
             [CompletionResult]::new('-h', '-h', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             [CompletionResult]::new('--help', '--help', [CompletionResultType]::ParameterName, 'Print help (see more with ''--help'')')
             break
diff --git a/src/etc/completions/x.py.zsh b/src/etc/completions/x.py.zsh
index c5385911538..bc55280d038 100644
--- a/src/etc/completions/x.py.zsh
+++ b/src/etc/completions/x.py.zsh
@@ -51,7 +51,7 @@ _x.py() {
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '::paths -- paths for the subcommand:_files' \
@@ -103,7 +103,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -148,7 +148,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -199,7 +199,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -243,7 +243,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -289,7 +289,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -335,7 +335,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -393,7 +393,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -441,7 +441,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -486,7 +486,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -531,7 +531,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -575,7 +575,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -619,7 +619,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -664,7 +664,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -708,7 +708,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '::profile -- Either the profile for `bootstrap.toml` or another setup action. May be omitted to set up interactively:_files' \
@@ -754,7 +754,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -800,7 +800,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -844,7 +844,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '::paths -- paths for the subcommand:_files' \
@@ -900,7 +900,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -947,7 +947,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -994,7 +994,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -1041,7 +1041,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 ':benchmark-id -- Identifier to associate benchmark results with:_default' \
@@ -1086,7 +1086,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 ':base -- The name of the base artifact to be compared:_default' \
diff --git a/src/etc/completions/x.zsh b/src/etc/completions/x.zsh
index e76db1ca4e0..2e3094fc379 100644
--- a/src/etc/completions/x.zsh
+++ b/src/etc/completions/x.zsh
@@ -51,7 +51,7 @@ _x() {
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '::paths -- paths for the subcommand:_files' \
@@ -103,7 +103,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -148,7 +148,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -199,7 +199,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -243,7 +243,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -289,7 +289,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -335,7 +335,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -393,7 +393,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -441,7 +441,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -486,7 +486,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -531,7 +531,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -575,7 +575,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -619,7 +619,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -664,7 +664,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -708,7 +708,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '::profile -- Either the profile for `bootstrap.toml` or another setup action. May be omitted to set up interactively:_files' \
@@ -754,7 +754,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -800,7 +800,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -844,7 +844,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '::paths -- paths for the subcommand:_files' \
@@ -900,7 +900,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -947,7 +947,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -994,7 +994,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 '*::paths -- paths for the subcommand:_files' \
@@ -1041,7 +1041,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 ':benchmark-id -- Identifier to associate benchmark results with:_default' \
@@ -1086,7 +1086,7 @@ _arguments "${_arguments_options[@]}" : \
 '--llvm-profile-generate[generate PGO profile with llvm built for rustc]' \
 '--enable-bolt-settings[Enable BOLT link flags]' \
 '--skip-stage0-validation[Skip stage0 compiler validation]' \
-'--skip-std-check-if-no-download-rustc[Skip checking std if \`rust.download-rustc\` isn'\''t available, mostly for RA]' \
+'--skip-std-check-if-no-download-rustc[Skip checking the standard library if \`rust.download-rustc\` isn'\''t available. This is mostly for RA as building the stage1 compiler to check the library tree on each code change might be too much for some computers]' \
 '-h[Print help (see more with '\''--help'\'')]' \
 '--help[Print help (see more with '\''--help'\'')]' \
 ':base -- The name of the base artifact to be compared:_default' \