[INFO] fetching crate mio-pidfd 0.2.0...
[INFO] testing mio-pidfd-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate mio-pidfd 0.2.0 into /workspace/builds/worker-99/source
[INFO] validating manifest of crates.io crate mio-pidfd 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mio-pidfd 0.2.0
[INFO] finished tweaking crates.io crate mio-pidfd 0.2.0
[INFO] tweaked toml for crates.io crate mio-pidfd 0.2.0 written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a8828f2a7366feff218e1a85792cd35952da5b54b8b141a0c3284df027ae438
[INFO] running `Command { std: "docker" "start" "-a" "4a8828f2a7366feff218e1a85792cd35952da5b54b8b141a0c3284df027ae438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a8828f2a7366feff218e1a85792cd35952da5b54b8b141a0c3284df027ae438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a8828f2a7366feff218e1a85792cd35952da5b54b8b141a0c3284df027ae438", kill_on_drop: false }`
[INFO] [stdout] 4a8828f2a7366feff218e1a85792cd35952da5b54b8b141a0c3284df027ae438
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5c3b2d13e1b5491fca5d5b370ae2a9bc97de50427cd84ba81fde88017e353bf
[INFO] running `Command { std: "docker" "start" "-a" "a5c3b2d13e1b5491fca5d5b370ae2a9bc97de50427cd84ba81fde88017e353bf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling mio-pidfd v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "a5c3b2d13e1b5491fca5d5b370ae2a9bc97de50427cd84ba81fde88017e353bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5c3b2d13e1b5491fca5d5b370ae2a9bc97de50427cd84ba81fde88017e353bf", kill_on_drop: false }`
[INFO] [stdout] a5c3b2d13e1b5491fca5d5b370ae2a9bc97de50427cd84ba81fde88017e353bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 425ff9852ca5eecc63b1e74eee35e007309a0de300d753df698c3cdf12a0d5ec
[INFO] running `Command { std: "docker" "start" "-a" "425ff9852ca5eecc63b1e74eee35e007309a0de300d753df698c3cdf12a0d5ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling mio-pidfd v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "425ff9852ca5eecc63b1e74eee35e007309a0de300d753df698c3cdf12a0d5ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "425ff9852ca5eecc63b1e74eee35e007309a0de300d753df698c3cdf12a0d5ec", kill_on_drop: false }`
[INFO] [stdout] 425ff9852ca5eecc63b1e74eee35e007309a0de300d753df698c3cdf12a0d5ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4d45f76c712dff47b7fa07611d73311b5edfa9267d3cb0df9ee12584e01ce23d
[INFO] running `Command { std: "docker" "start" "-a" "4d45f76c712dff47b7fa07611d73311b5edfa9267d3cb0df9ee12584e01ce23d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mio_pidfd-c9a2555f8c3a1c3f)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::pidfd_open_invalid_pid - should panic ... ok
[INFO] [stdout] test tests::pidfd_kill_invalid_signal - should panic ... ok
[INFO] [stdout] test tests::pidfd_new_and_kill ... ok
[INFO] [stdout] test tests::single_process ... ok
[INFO] [stdout] test tests::multi_process ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mio-pidfd
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4d45f76c712dff47b7fa07611d73311b5edfa9267d3cb0df9ee12584e01ce23d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d45f76c712dff47b7fa07611d73311b5edfa9267d3cb0df9ee12584e01ce23d", kill_on_drop: false }`
[INFO] [stdout] 4d45f76c712dff47b7fa07611d73311b5edfa9267d3cb0df9ee12584e01ce23d