[DESIGN BUG] `doctest` should print `Running` runner, which maybe expensive.

[loynoir]

BUG

[DESIGN BUG] doctest should print Running runner, which maybe expensive.

actual

test does print Running runner.

• Running `/path/to/runner-ssh-aarch64-linux-android.sh ...`

       Fresh doctest_example v0.1.0 (/path/to/doctest_example)
      Timing report saved to /path/to/target/cargo-timings/cargo-timing-XXX.html
    Finished `XXX` profile [optimized] target(s) in 0.01s
     Running `/path/to/runner-ssh-aarch64-linux-android.sh /path/to/target/aarch64-linux-android/XXX/deps/doctest_example-XXX`

running 0 tests

test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s

doctest does not print Running runner, which maybe expensive.

   Doc-tests doctest_example
     Running `/home/vscode/.rustup/toolchains/nightly-2025-04-14-x86_64-unknown-linux-gnu/bin/rustdoc ...`
WARNING: No rustdoc doctest environment variable provided so doctests will be run in the same process

running 1 test
test doctest_example/src/lib.rs - add (line 3) ... ok

test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s

expected

doctest should print Running runner, which maybe expensive.

• [PATCH] Running `/path/to/runner-ssh-aarch64-linux-android.sh /path/to/target/XXX/path/to/doctest/merged_doctest_2024/rust_out`

       Fresh doctest_example v0.1.0 (/path/to/doctest_example)
      Timing report saved to /path/to/target/cargo-timings/cargo-timing-XXX.html
    Finished `XXX` profile [optimized] target(s) in 0.01s
     Running `/path/to/runner-ssh-aarch64-linux-android.sh /path/to/target/aarch64-linux-android/XXX/deps/doctest_example-XXX`

running 0 tests

test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s

   Doc-tests doctest_example
     Running `/home/vscode/.rustup/toolchains/nightly-2025-04-14-x86_64-unknown-linux-gnu/bin/rustdoc ...`
     [PATCH] Running `/path/to/runner-ssh-aarch64-linux-android.sh /path/to/target/XXX/path/to/doctest/merged_doctest_2024/rust_out`
WARNING: No rustdoc doctest environment variable provided so doctests will be run in the same process

running 1 test
test doctest_example/src/lib.rs - add (line 3) ... ok

test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s

version

channel = "nightly-2025-04-14"

workaround

Every runner embed

BOLD_GREEN='\e[1;32m'
RESET='\e[0m'
if [ -v CARGO_CRATE_NAME ]; then
    # case: rustdoc
    echo -e "     ${BOLD_GREEN:?}[PATCH] Running${RESET:?} \`$0 $*\`" >&2
fi

[loynoir]

Sorry. Should be cargo issue.