[INFO] fetching crate io-read-line-prototype 1.0.1... [INFO] testing io-read-line-prototype-1.0.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1 [INFO] extracting crate io-read-line-prototype 1.0.1 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate io-read-line-prototype 1.0.1 [INFO] finished tweaking crates.io crate io-read-line-prototype 1.0.1 [INFO] tweaked toml for crates.io crate io-read-line-prototype 1.0.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate io-read-line-prototype 1.0.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 51aa81e8cfe47d1fb78181d8e9f05859d1bcb208a0323aa568f36bc8818e187a [INFO] running `Command { std: "docker" "start" "-a" "51aa81e8cfe47d1fb78181d8e9f05859d1bcb208a0323aa568f36bc8818e187a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "51aa81e8cfe47d1fb78181d8e9f05859d1bcb208a0323aa568f36bc8818e187a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51aa81e8cfe47d1fb78181d8e9f05859d1bcb208a0323aa568f36bc8818e187a", kill_on_drop: false }` [INFO] [stdout] 51aa81e8cfe47d1fb78181d8e9f05859d1bcb208a0323aa568f36bc8818e187a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4a24abddd8fbe51d3a6d7ef6d758c3558569a2db226b438eb3d0ecdf875e43ab [INFO] running `Command { std: "docker" "start" "-a" "4a24abddd8fbe51d3a6d7ef6d758c3558569a2db226b438eb3d0ecdf875e43ab", kill_on_drop: false }` [INFO] [stderr] Compiling io-read-line-prototype v1.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s [INFO] running `Command { std: "docker" "inspect" "4a24abddd8fbe51d3a6d7ef6d758c3558569a2db226b438eb3d0ecdf875e43ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a24abddd8fbe51d3a6d7ef6d758c3558569a2db226b438eb3d0ecdf875e43ab", kill_on_drop: false }` [INFO] [stdout] 4a24abddd8fbe51d3a6d7ef6d758c3558569a2db226b438eb3d0ecdf875e43ab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 816d1dd06d490f264a78626a91cfcd6cb823fd440d43166ab6fe6ae62a319114 [INFO] running `Command { std: "docker" "start" "-a" "816d1dd06d490f264a78626a91cfcd6cb823fd440d43166ab6fe6ae62a319114", kill_on_drop: false }` [INFO] [stderr] Compiling io-read-line-prototype v1.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: feature `min_specialization` is declared but not used [INFO] [stdout] --> src/lib.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | #![feature(min_specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s [INFO] running `Command { std: "docker" "inspect" "816d1dd06d490f264a78626a91cfcd6cb823fd440d43166ab6fe6ae62a319114", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "816d1dd06d490f264a78626a91cfcd6cb823fd440d43166ab6fe6ae62a319114", kill_on_drop: false }` [INFO] [stdout] 816d1dd06d490f264a78626a91cfcd6cb823fd440d43166ab6fe6ae62a319114 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d915e747dee2a521a5b4213c6dce846e6af6e19de3e87f38c44e4c82ea86bb2e [INFO] running `Command { std: "docker" "start" "-a" "d915e747dee2a521a5b4213c6dce846e6af6e19de3e87f38c44e4c82ea86bb2e", kill_on_drop: false }` [INFO] [stderr] warning: feature `min_specialization` is declared but not used [INFO] [stderr] --> src/lib.rs:33:12 [INFO] [stderr] | [INFO] [stderr] 33 | #![feature(min_specialization)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `io-read-line-prototype` (lib test) generated 1 warning [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/io_read_line_prototype-77a0fa0297f1d4d3) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/test.rs (/opt/rustwide/target/debug/deps/test-7b833ac5ef6a6477) [INFO] [stdout] [INFO] [stderr] Doc-tests io_read_line_prototype [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] warning: lint `missing_doc_code_examples` has been renamed to `rustdoc::missing_doc_code_examples` [INFO] [stdout] [INFO] [stderr] --> src/lib.rs:32:23 [INFO] [stdout] running 2 tests [INFO] [stderr] | [INFO] [stderr] 32 | #![warn(missing_docs, missing_doc_code_examples, unreachable_pub)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `rustdoc::missing_doc_code_examples` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(renamed_and_removed_lints)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unknown lint: `rustdoc::missing_doc_code_examples` [INFO] [stderr] --> src/lib.rs:32:23 [INFO] [stderr] | [INFO] [stderr] 32 | #![warn(missing_docs, missing_doc_code_examples, unreachable_pub)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: the `rustdoc::missing_doc_code_examples` lint is unstable [INFO] [stderr] = note: see issue #101730 for more information [INFO] [stderr] = help: add `#![feature(rustdoc_missing_doc_code_examples)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2026-03-22; consider upgrading it if it is out of date [INFO] [stderr] = note: `#[warn(unknown_lints)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stdout] test src/lib.rs - read_line (line 69) - compile ... ok [INFO] [stdout] test src/lib.rs - (line 17) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d915e747dee2a521a5b4213c6dce846e6af6e19de3e87f38c44e4c82ea86bb2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d915e747dee2a521a5b4213c6dce846e6af6e19de3e87f38c44e4c82ea86bb2e", kill_on_drop: false }` [INFO] [stdout] d915e747dee2a521a5b4213c6dce846e6af6e19de3e87f38c44e4c82ea86bb2e