[INFO] fetching crate os-unfair-lock 0.3.0...
[INFO] testing os-unfair-lock-0.3.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate os-unfair-lock 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate os-unfair-lock 0.3.0
[INFO] finished tweaking crates.io crate os-unfair-lock 0.3.0
[INFO] tweaked toml for crates.io crate os-unfair-lock 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate os-unfair-lock 0.3.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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" "+beta-2026-04-21" "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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c72e03b735db973167b6e89cb5bb04c3303d841d8c86993dcf7f38f20363597
[INFO] running `Command { std: "docker" "start" "-a" "7c72e03b735db973167b6e89cb5bb04c3303d841d8c86993dcf7f38f20363597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c72e03b735db973167b6e89cb5bb04c3303d841d8c86993dcf7f38f20363597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c72e03b735db973167b6e89cb5bb04c3303d841d8c86993dcf7f38f20363597", kill_on_drop: false }`
[INFO] [stdout] 7c72e03b735db973167b6e89cb5bb04c3303d841d8c86993dcf7f38f20363597
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b34268c7d985f2be54d7f3a45198e52b8e433fe3db688baf6ff83a9bcd8ebf69
[INFO] running `Command { std: "docker" "start" "-a" "b34268c7d985f2be54d7f3a45198e52b8e433fe3db688baf6ff83a9bcd8ebf69", kill_on_drop: false }`
[INFO] [stderr]    Compiling os-unfair-lock v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "b34268c7d985f2be54d7f3a45198e52b8e433fe3db688baf6ff83a9bcd8ebf69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b34268c7d985f2be54d7f3a45198e52b8e433fe3db688baf6ff83a9bcd8ebf69", kill_on_drop: false }`
[INFO] [stdout] b34268c7d985f2be54d7f3a45198e52b8e433fe3db688baf6ff83a9bcd8ebf69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36b3a0e6008fa18f73c13cb69381bb1a8ac587584102c0056a118e101ef80589
[INFO] running `Command { std: "docker" "start" "-a" "36b3a0e6008fa18f73c13cb69381bb1a8ac587584102c0056a118e101ef80589", kill_on_drop: false }`
[INFO] [stderr]    Compiling os-unfair-lock v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "36b3a0e6008fa18f73c13cb69381bb1a8ac587584102c0056a118e101ef80589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36b3a0e6008fa18f73c13cb69381bb1a8ac587584102c0056a118e101ef80589", kill_on_drop: false }`
[INFO] [stdout] 36b3a0e6008fa18f73c13cb69381bb1a8ac587584102c0056a118e101ef80589
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3c41c71fddc2f8a8f91e7482e1f5c0c522faa2045d41306f78216a505a69eaef
[INFO] running `Command { std: "docker" "start" "-a" "3c41c71fddc2f8a8f91e7482e1f5c0c522faa2045d41306f78216a505a69eaef", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/os_unfair_lock-68cb2ad73ae5516c)
[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]    Doc-tests os_unfair_lock
[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] running `Command { std: "docker" "inspect" "3c41c71fddc2f8a8f91e7482e1f5c0c522faa2045d41306f78216a505a69eaef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c41c71fddc2f8a8f91e7482e1f5c0c522faa2045d41306f78216a505a69eaef", kill_on_drop: false }`
[INFO] [stdout] 3c41c71fddc2f8a8f91e7482e1f5c0c522faa2045d41306f78216a505a69eaef
