4 files changed, 12 insertions, 7 deletions
diff --git a/crates/rust-analyzer/src/cli/diagnostics.rs b/crates/rust-analyzer/src/cli/diagnostics.rs
index ff821be53d8..0721d486ef1 100644
--- a/crates/rust-analyzer/src/cli/diagnostics.rs
+++ b/crates/rust-analyzer/src/cli/diagnostics.rs
@@ -1,6 +1,7 @@
 //! Analyze all modules in a project for diagnostics. Exits with a non-zero
 //! status code if any errors are found.
 
+use project_model::{CargoConfig, RustcSource};
 use rustc_hash::FxHashSet;
 
 use hir::{db::HirDatabase, Crate, Module};
@@ -14,7 +15,8 @@ use crate::cli::{
 
 impl flags::Diagnostics {
     pub fn run(self) -> anyhow::Result<()> {
-        let cargo_config = Default::default();
+        let mut cargo_config = CargoConfig::default();
+        cargo_config.sysroot = Some(RustcSource::Discover);
         let load_cargo_config = LoadCargoConfig {
             load_out_dirs_from_check: !self.disable_build_scripts,
             with_proc_macro_server: ProcMacroServerChoice::Sysroot,
diff --git a/crates/rust-analyzer/src/cli/lsif.rs b/crates/rust-analyzer/src/cli/lsif.rs
index 3fc1aa4eaeb..9b5451496c6 100644
--- a/crates/rust-analyzer/src/cli/lsif.rs
+++ b/crates/rust-analyzer/src/cli/lsif.rs
@@ -13,7 +13,7 @@ use ide_db::LineIndexDatabase;
 use ide_db::base_db::salsa::{self, ParallelDatabase};
 use ide_db::line_index::WideEncoding;
 use lsp_types::{self, lsif};
-use project_model::{CargoConfig, ProjectManifest, ProjectWorkspace};
+use project_model::{CargoConfig, ProjectManifest, ProjectWorkspace, RustcSource};
 use vfs::{AbsPathBuf, Vfs};
 
 use crate::cli::load_cargo::ProcMacroServerChoice;
@@ -289,7 +289,8 @@ impl flags::Lsif {
     pub fn run(self) -> Result<()> {
         eprintln!("Generating LSIF started...");
         let now = Instant::now();
-        let cargo_config = CargoConfig::default();
+        let mut cargo_config = CargoConfig::default();
+        cargo_config.sysroot = Some(RustcSource::Discover);
         let no_progress = &|_| ();
         let load_cargo_config = LoadCargoConfig {
             load_out_dirs_from_check: true,
diff --git a/crates/rust-analyzer/src/cli/scip.rs b/crates/rust-analyzer/src/cli/scip.rs
index 9a04fbea774..df5c26cf77a 100644
--- a/crates/rust-analyzer/src/cli/scip.rs
+++ b/crates/rust-analyzer/src/cli/scip.rs
@@ -15,7 +15,7 @@ use ide::{
     TokenStaticData,
 };
 use ide_db::LineIndexDatabase;
-use project_model::{CargoConfig, ProjectManifest, ProjectWorkspace};
+use project_model::{CargoConfig, ProjectManifest, ProjectWorkspace, RustcSource};
 use scip::types as scip_types;
 use std::env;
 
@@ -29,7 +29,8 @@ impl flags::Scip {
     pub fn run(self) -> Result<()> {
         eprintln!("Generating SCIP start...");
         let now = Instant::now();
-        let cargo_config = CargoConfig::default();
+        let mut cargo_config = CargoConfig::default();
+        cargo_config.sysroot = Some(RustcSource::Discover);
 
         let no_progress = &|s| (eprintln!("rust-analyzer: Loading {s}"));
         let load_cargo_config = LoadCargoConfig {
diff --git a/crates/rust-analyzer/src/cli/ssr.rs b/crates/rust-analyzer/src/cli/ssr.rs
index 3552f840a1b..35a874f8920 100644
--- a/crates/rust-analyzer/src/cli/ssr.rs
+++ b/crates/rust-analyzer/src/cli/ssr.rs
@@ -1,7 +1,7 @@
 //! Applies structured search replace rules from the command line.
 
 use ide_ssr::MatchFinder;
-use project_model::CargoConfig;
+use project_model::{CargoConfig, RustcSource};
 
 use crate::cli::{
     flags,
@@ -12,7 +12,8 @@ use crate::cli::{
 impl flags::Ssr {
     pub fn run(self) -> Result<()> {
         use ide_db::base_db::SourceDatabaseExt;
-        let cargo_config = CargoConfig::default();
+        let mut cargo_config = CargoConfig::default();
+        cargo_config.sysroot = Some(RustcSource::Discover);
         let load_cargo_config = LoadCargoConfig {
             load_out_dirs_from_check: true,
             with_proc_macro_server: ProcMacroServerChoice::Sysroot,