[INFO] fetching crate fd-lock 4.0.4...
[INFO] testing fd-lock-4.0.4 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate fd-lock 4.0.4 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate fd-lock 4.0.4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate fd-lock 4.0.4
[INFO] tweaked toml for crates.io crate fd-lock 4.0.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fd-lock 4.0.4 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] crate crates.io crate fd-lock 4.0.4 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e02ead81140fc9522b695c19f27ab08c0776e0d4a89b02ad39ff6a9c300df7a8
[INFO] running `Command { std: "docker" "start" "-a" "e02ead81140fc9522b695c19f27ab08c0776e0d4a89b02ad39ff6a9c300df7a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e02ead81140fc9522b695c19f27ab08c0776e0d4a89b02ad39ff6a9c300df7a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e02ead81140fc9522b695c19f27ab08c0776e0d4a89b02ad39ff6a9c300df7a8", kill_on_drop: false }`
[INFO] [stdout] e02ead81140fc9522b695c19f27ab08c0776e0d4a89b02ad39ff6a9c300df7a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 056297c1157de5dd52725abd1fde29c907e5ef0fcf6938e204479e0d422e1666
[INFO] running `Command { std: "docker" "start" "-a" "056297c1157de5dd52725abd1fde29c907e5ef0fcf6938e204479e0d422e1666", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v1.0.2
[INFO] [stderr]    Compiling linux-raw-sys v0.9.2
[INFO] [stderr]    Compiling fd-lock v4.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.04s
[INFO] running `Command { std: "docker" "inspect" "056297c1157de5dd52725abd1fde29c907e5ef0fcf6938e204479e0d422e1666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "056297c1157de5dd52725abd1fde29c907e5ef0fcf6938e204479e0d422e1666", kill_on_drop: false }`
[INFO] [stdout] 056297c1157de5dd52725abd1fde29c907e5ef0fcf6938e204479e0d422e1666
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 11c84bbb753e68a2d7a13d75bf61663757c216b193617aa41dc416fce2dabdf2
[INFO] running `Command { std: "docker" "start" "-a" "11c84bbb753e68a2d7a13d75bf61663757c216b193617aa41dc416fce2dabdf2", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling once_cell v1.20.3
[INFO] [stderr]    Compiling tempfile v3.18.0
[INFO] [stderr]    Compiling fd-lock v4.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "11c84bbb753e68a2d7a13d75bf61663757c216b193617aa41dc416fce2dabdf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11c84bbb753e68a2d7a13d75bf61663757c216b193617aa41dc416fce2dabdf2", kill_on_drop: false }`
[INFO] [stdout] 11c84bbb753e68a2d7a13d75bf61663757c216b193617aa41dc416fce2dabdf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2900d7c928204db3165906b11a9ba7b3d7ab7713f6a260cc4ac05824b78960ab
[INFO] running `Command { std: "docker" "start" "-a" "2900d7c928204db3165906b11a9ba7b3d7ab7713f6a260cc4ac05824b78960ab", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fd_lock-16cbc32c7346847f)
[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-0a4eed65ab637a66)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test double_write_lock ... ok
[INFO] [stdout] test read_and_write_lock ... ok
[INFO] [stdout] test double_read_lock ... ok
[INFO] [stdout] test write_and_read_lock ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fd_lock
[INFO] [stderr] warning: unknown lint: `rustdoc::missing_doc_code_examples`
[INFO] [stderr]   --> src/lib.rs:33:37
[INFO] [stderr]    |
[INFO] [stderr] 33 | #![cfg_attr(doc, warn(missing_docs, rustdoc::missing_doc_code_examples))]
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the `rustdoc::missing_doc_code_examples` lint is unstable
[INFO] [stderr]    = note: see issue #101730 <https://github.com/rust-lang/rust/issues/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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 13) - compile ... ok
[INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLock<T>::new (line 22) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2900d7c928204db3165906b11a9ba7b3d7ab7713f6a260cc4ac05824b78960ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2900d7c928204db3165906b11a9ba7b3d7ab7713f6a260cc4ac05824b78960ab", kill_on_drop: false }`
[INFO] [stdout] 2900d7c928204db3165906b11a9ba7b3d7ab7713f6a260cc4ac05824b78960ab