[INFO] fetching crate mutex_trait2 0.4.3...
[INFO] testing mutex_trait2-0.4.3 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mutex_trait2 0.4.3 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate mutex_trait2 0.4.3
[INFO] finished tweaking crates.io crate mutex_trait2 0.4.3
[INFO] tweaked toml for crates.io crate mutex_trait2 0.4.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mutex_trait2 0.4.3 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mutex_trait2 0.4.3 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2936ed675fbb86784011d5b73daf33ddb0718516407ac8fc72612e26a8d1f68
[INFO] running `Command { std: "docker" "start" "-a" "f2936ed675fbb86784011d5b73daf33ddb0718516407ac8fc72612e26a8d1f68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2936ed675fbb86784011d5b73daf33ddb0718516407ac8fc72612e26a8d1f68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2936ed675fbb86784011d5b73daf33ddb0718516407ac8fc72612e26a8d1f68", kill_on_drop: false }`
[INFO] [stdout] f2936ed675fbb86784011d5b73daf33ddb0718516407ac8fc72612e26a8d1f68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4121c8efa23b77568a0ccf5b9837234213fb27409f6872a1f9e9b757bc3cef41
[INFO] running `Command { std: "docker" "start" "-a" "4121c8efa23b77568a0ccf5b9837234213fb27409f6872a1f9e9b757bc3cef41", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutex_trait2 v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "4121c8efa23b77568a0ccf5b9837234213fb27409f6872a1f9e9b757bc3cef41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4121c8efa23b77568a0ccf5b9837234213fb27409f6872a1f9e9b757bc3cef41", kill_on_drop: false }`
[INFO] [stdout] 4121c8efa23b77568a0ccf5b9837234213fb27409f6872a1f9e9b757bc3cef41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 371e8e22abaaab8bc5e1889c0067b7b2cc8102a65ae974e71129a0987939dbfb
[INFO] running `Command { std: "docker" "start" "-a" "371e8e22abaaab8bc5e1889c0067b7b2cc8102a65ae974e71129a0987939dbfb", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutex_trait2 v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "371e8e22abaaab8bc5e1889c0067b7b2cc8102a65ae974e71129a0987939dbfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "371e8e22abaaab8bc5e1889c0067b7b2cc8102a65ae974e71129a0987939dbfb", kill_on_drop: false }`
[INFO] [stdout] 371e8e22abaaab8bc5e1889c0067b7b2cc8102a65ae974e71129a0987939dbfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ba81e94e943c8a7c6005e57ff6b49f921b6cc570efdacd02c99861cd404617f8
[INFO] running `Command { std: "docker" "start" "-a" "ba81e94e943c8a7c6005e57ff6b49f921b6cc570efdacd02c99861cd404617f8", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mutex_trait2-78fe99c518fa05cd)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests mutex_trait2
[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] [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" "ba81e94e943c8a7c6005e57ff6b49f921b6cc570efdacd02c99861cd404617f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba81e94e943c8a7c6005e57ff6b49f921b6cc570efdacd02c99861cd404617f8", kill_on_drop: false }`
[INFO] [stdout] ba81e94e943c8a7c6005e57ff6b49f921b6cc570efdacd02c99861cd404617f8