[INFO] fetching crate pcp-mutex 0.2.0...
[INFO] testing pcp-mutex-0.2.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate pcp-mutex 0.2.0 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate pcp-mutex 0.2.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pcp-mutex 0.2.0
[INFO] finished tweaking crates.io crate pcp-mutex 0.2.0
[INFO] tweaked toml for crates.io crate pcp-mutex 0.2.0 written to /workspace/builds/worker-41/source/Cargo.toml
[INFO] crate crates.io crate pcp-mutex 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a47d746d45b62c1aa1709c2e424a140a5189e5e5d7c240b4f507de4223685b71
[INFO] running `Command { std: "docker" "start" "-a" "a47d746d45b62c1aa1709c2e424a140a5189e5e5d7c240b4f507de4223685b71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a47d746d45b62c1aa1709c2e424a140a5189e5e5d7c240b4f507de4223685b71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a47d746d45b62c1aa1709c2e424a140a5189e5e5d7c240b4f507de4223685b71", kill_on_drop: false }`
[INFO] [stdout] a47d746d45b62c1aa1709c2e424a140a5189e5e5d7c240b4f507de4223685b71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d65abd2633a57705a9999c9425a5eca88b798d4ac8bfe665c2ff4bb2ed72f33d
[INFO] running `Command { std: "docker" "start" "-a" "d65abd2633a57705a9999c9425a5eca88b798d4ac8bfe665c2ff4bb2ed72f33d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling linux-futex v0.1.1
[INFO] [stderr]    Compiling pcp-mutex v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.65s
[INFO] running `Command { std: "docker" "inspect" "d65abd2633a57705a9999c9425a5eca88b798d4ac8bfe665c2ff4bb2ed72f33d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d65abd2633a57705a9999c9425a5eca88b798d4ac8bfe665c2ff4bb2ed72f33d", kill_on_drop: false }`
[INFO] [stdout] d65abd2633a57705a9999c9425a5eca88b798d4ac8bfe665c2ff4bb2ed72f33d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52a00da155603cf052543bc6db36404415e631cfc35cad493e8b9263970ef817
[INFO] running `Command { std: "docker" "start" "-a" "52a00da155603cf052543bc6db36404415e631cfc35cad493e8b9263970ef817", kill_on_drop: false }`
[INFO] [stderr]    Compiling pcp-mutex v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "52a00da155603cf052543bc6db36404415e631cfc35cad493e8b9263970ef817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52a00da155603cf052543bc6db36404415e631cfc35cad493e8b9263970ef817", kill_on_drop: false }`
[INFO] [stdout] 52a00da155603cf052543bc6db36404415e631cfc35cad493e8b9263970ef817
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ec87a885058b724d5c5d4943d62303b2858d4921176e1011059e33d9f39d7ab2
[INFO] running `Command { std: "docker" "start" "-a" "ec87a885058b724d5c5d4943d62303b2858d4921176e1011059e33d9f39d7ab2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pcp_mutex-1f61a3bb776089ad)
[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 pcp-mutex
[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" "ec87a885058b724d5c5d4943d62303b2858d4921176e1011059e33d9f39d7ab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec87a885058b724d5c5d4943d62303b2858d4921176e1011059e33d9f39d7ab2", kill_on_drop: false }`
[INFO] [stdout] ec87a885058b724d5c5d4943d62303b2858d4921176e1011059e33d9f39d7ab2