Rollup merge of #86230 - GuillaumeGomez:nocapture, r=camelid

Add --nocapture option to rustdoc

Fixes https://github.com/rust-lang/rust/issues/26309.
Fixes #45724.

Once this PR is merged, I'll send a PR to cargo to also pass `--nocapture` to rustdoc.

cc `@jyn514`
r? `@camelid`

6 files changed, 54 insertions, 0 deletions

diff --git a/src/test/rustdoc-ui/nocapture-fail.rs b/src/test/rustdoc-ui/nocapture-fail.rs
new file mode 100644
index 00000000000..7706bd1f3e3
--- /dev/null
+++ b/src/test/rustdoc-ui/nocapture-fail.rs
@@ -0,0 +1,12 @@
+// check-pass
+// compile-flags:--test -Zunstable-options --nocapture
+// normalize-stderr-test: "src/test/rustdoc-ui" -> "$$DIR"
+// normalize-stdout-test: "src/test/rustdoc-ui" -> "$$DIR"
+// normalize-stdout-test "finished in \d+\.\d+s" -> "finished in $$TIME"
+
+/// ```compile_fail
+/// fn foo() {
+///     Input: 123
+/// }
+/// ```
+pub struct Foo;
diff --git a/src/test/rustdoc-ui/nocapture-fail.stderr b/src/test/rustdoc-ui/nocapture-fail.stderr
new file mode 100644
index 00000000000..16a5ac47cd2
--- /dev/null
+++ b/src/test/rustdoc-ui/nocapture-fail.stderr
@@ -0,0 +1,18 @@
+error: struct literal body without path
+  --> $DIR/nocapture-fail.rs:8:10
+   |
+LL |   fn foo() {
+   |  __________^
+LL | |     Input: 123
+LL | | }
+   | |_^
+   |
+help: you might have forgotten to add the struct literal inside the block
+   |
+LL | fn foo() { SomeStruct {
+LL |     Input: 123
+LL | } }
+   |
+
+error: aborting due to previous error
+
diff --git a/src/test/rustdoc-ui/nocapture-fail.stdout b/src/test/rustdoc-ui/nocapture-fail.stdout
new file mode 100644
index 00000000000..754f77db53c
--- /dev/null
+++ b/src/test/rustdoc-ui/nocapture-fail.stdout
@@ -0,0 +1,6 @@
+
+running 1 test
+test $DIR/nocapture-fail.rs - Foo (line 7) - compile fail ... ok
+
+test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in $TIME
+
diff --git a/src/test/rustdoc-ui/nocapture.rs b/src/test/rustdoc-ui/nocapture.rs
new file mode 100644
index 00000000000..321f5ca08ed
--- /dev/null
+++ b/src/test/rustdoc-ui/nocapture.rs
@@ -0,0 +1,10 @@
+// check-pass
+// compile-flags:--test -Zunstable-options --nocapture
+// normalize-stdout-test: "src/test/rustdoc-ui" -> "$$DIR"
+// normalize-stdout-test "finished in \d+\.\d+s" -> "finished in $$TIME"
+
+/// ```
+/// println!("hello!");
+/// eprintln!("stderr");
+/// ```
+pub struct Foo;
diff --git a/src/test/rustdoc-ui/nocapture.stderr b/src/test/rustdoc-ui/nocapture.stderr
new file mode 100644
index 00000000000..af6415db3c7
--- /dev/null
+++ b/src/test/rustdoc-ui/nocapture.stderr
@@ -0,0 +1 @@
+stderr
diff --git a/src/test/rustdoc-ui/nocapture.stdout b/src/test/rustdoc-ui/nocapture.stdout
new file mode 100644
index 00000000000..4880e75da70
--- /dev/null
+++ b/src/test/rustdoc-ui/nocapture.stdout
@@ -0,0 +1,7 @@
+
+running 1 test
+hello!
+test $DIR/nocapture.rs - Foo (line 6) ... ok
+
+test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in $TIME
+