[INFO] cloning repository https://github.com/lucasmerlin/test_error_repro [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lucasmerlin/test_error_repro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucasmerlin%2Ftest_error_repro", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucasmerlin%2Ftest_error_repro'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bdf0030e6c2343b65cb7d793ede328f26be7617d [INFO] checking lucasmerlin/test_error_repro against master#4847d6a9d07d4be9ba3196f6ad444af2d7bdde72 for pr-134276 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucasmerlin%2Ftest_error_repro" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lucasmerlin/test_error_repro on toolchain 4847d6a9d07d4be9ba3196f6ad444af2d7bdde72 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml [INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/lucasmerlin/test_error_repro [INFO] finished tweaking git repo https://github.com/lucasmerlin/test_error_repro [INFO] tweaked toml for git repo https://github.com/lucasmerlin/test_error_repro written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/lucasmerlin/test_error_repro already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: failed to parse manifest at `/workspace/builds/worker-4-tc1/source/Cargo.toml` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] feature `codegen-backend` is required [INFO] [stderr] [INFO] [stderr] The package requires the Cargo feature called `codegen-backend`, but that feature is not stabilized in this version of Cargo (1.85.0-nightly (20a443231 2024-12-06)). [INFO] [stderr] Consider adding `cargo-features = ["codegen-backend"]` to the top of Cargo.toml (above the [package] table) to tell Cargo you are opting in to use this unstable feature. [INFO] [stderr] See https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#codegen-backend for more information about the status of this feature. ExecutionFailed(ExitStatus(unix_wait_status(25856)))