[INFO] fetching crate mutex_trait2 0.4.3...
[INFO] testing mutex_trait2-0.4.3 against beta-2025-10-28 for beta-1.92-2
[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-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 832b14dd3bc5bb98b3ac6f39d94ad09b59ed143078d598b7d66ae8be2e2e56f0
[INFO] running `Command { std: "docker" "start" "-a" "832b14dd3bc5bb98b3ac6f39d94ad09b59ed143078d598b7d66ae8be2e2e56f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "832b14dd3bc5bb98b3ac6f39d94ad09b59ed143078d598b7d66ae8be2e2e56f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "832b14dd3bc5bb98b3ac6f39d94ad09b59ed143078d598b7d66ae8be2e2e56f0", kill_on_drop: false }`
[INFO] [stdout] 832b14dd3bc5bb98b3ac6f39d94ad09b59ed143078d598b7d66ae8be2e2e56f0
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e622c2d38c2c1775bee3659af00297da1729626e96cf2ca6a90bde17567a096
[INFO] running `Command { std: "docker" "start" "-a" "5e622c2d38c2c1775bee3659af00297da1729626e96cf2ca6a90bde17567a096", 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 0.23s
[INFO] running `Command { std: "docker" "inspect" "5e622c2d38c2c1775bee3659af00297da1729626e96cf2ca6a90bde17567a096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e622c2d38c2c1775bee3659af00297da1729626e96cf2ca6a90bde17567a096", kill_on_drop: false }`
[INFO] [stdout] 5e622c2d38c2c1775bee3659af00297da1729626e96cf2ca6a90bde17567a096
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e8ed343ca16392ad4f58bdd71bd3af6116302d6d8f87558f8f5bb2d990dc4fe
[INFO] running `Command { std: "docker" "start" "-a" "4e8ed343ca16392ad4f58bdd71bd3af6116302d6d8f87558f8f5bb2d990dc4fe", 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 0.36s
[INFO] running `Command { std: "docker" "inspect" "4e8ed343ca16392ad4f58bdd71bd3af6116302d6d8f87558f8f5bb2d990dc4fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e8ed343ca16392ad4f58bdd71bd3af6116302d6d8f87558f8f5bb2d990dc4fe", kill_on_drop: false }`
[INFO] [stdout] 4e8ed343ca16392ad4f58bdd71bd3af6116302d6d8f87558f8f5bb2d990dc4fe
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a61749c50d63cd43ad9d4c9aca3352a48c366847b6bc497e50cbd6d592b90500
[INFO] running `Command { std: "docker" "start" "-a" "a61749c50d63cd43ad9d4c9aca3352a48c366847b6bc497e50cbd6d592b90500", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[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" "a61749c50d63cd43ad9d4c9aca3352a48c366847b6bc497e50cbd6d592b90500", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a61749c50d63cd43ad9d4c9aca3352a48c366847b6bc497e50cbd6d592b90500", kill_on_drop: false }`
[INFO] [stdout] a61749c50d63cd43ad9d4c9aca3352a48c366847b6bc497e50cbd6d592b90500