[INFO] fetching crate pakr-mio-signalfd 1.0.0...
[INFO] testing pakr-mio-signalfd-1.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate pakr-mio-signalfd 1.0.0 into /workspace/builds/worker-74/source
[INFO] validating manifest of crates.io crate pakr-mio-signalfd 1.0.0 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 pakr-mio-signalfd 1.0.0
[INFO] finished tweaking crates.io crate pakr-mio-signalfd 1.0.0
[INFO] tweaked toml for crates.io crate pakr-mio-signalfd 1.0.0 written to /workspace/builds/worker-74/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pakr-signals v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] e8080869f7bab40e517051282dbdc8d7d311c70dfe6dabc4fd0b99cdd7662189
[INFO] running `Command { std: "docker" "start" "-a" "e8080869f7bab40e517051282dbdc8d7d311c70dfe6dabc4fd0b99cdd7662189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8080869f7bab40e517051282dbdc8d7d311c70dfe6dabc4fd0b99cdd7662189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8080869f7bab40e517051282dbdc8d7d311c70dfe6dabc4fd0b99cdd7662189", kill_on_drop: false }`
[INFO] [stdout] e8080869f7bab40e517051282dbdc8d7d311c70dfe6dabc4fd0b99cdd7662189
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] e6eabdbb2d3fe33969ae298ddc4c2f3a9d291601fbe20b5e7e7091abfc5dfd05
[INFO] running `Command { std: "docker" "start" "-a" "e6eabdbb2d3fe33969ae298ddc4c2f3a9d291601fbe20b5e7e7091abfc5dfd05", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pakr-signals v1.0.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling pakr-mio-signalfd v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.56s
[INFO] running `Command { std: "docker" "inspect" "e6eabdbb2d3fe33969ae298ddc4c2f3a9d291601fbe20b5e7e7091abfc5dfd05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6eabdbb2d3fe33969ae298ddc4c2f3a9d291601fbe20b5e7e7091abfc5dfd05", kill_on_drop: false }`
[INFO] [stdout] e6eabdbb2d3fe33969ae298ddc4c2f3a9d291601fbe20b5e7e7091abfc5dfd05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] 92bb0167f5b90433cc7b77edfaf547618eb2cc13b06403894edaf1d12e36ad81
[INFO] running `Command { std: "docker" "start" "-a" "92bb0167f5b90433cc7b77edfaf547618eb2cc13b06403894edaf1d12e36ad81", kill_on_drop: false }`
[INFO] [stderr]    Compiling pakr-mio-signalfd v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "92bb0167f5b90433cc7b77edfaf547618eb2cc13b06403894edaf1d12e36ad81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92bb0167f5b90433cc7b77edfaf547618eb2cc13b06403894edaf1d12e36ad81", kill_on_drop: false }`
[INFO] [stdout] 92bb0167f5b90433cc7b77edfaf547618eb2cc13b06403894edaf1d12e36ad81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] 7accac8668abecf025443284a1b47f8f815bac16fdf05c83402c54bd9a2e6cbe
[INFO] running `Command { std: "docker" "start" "-a" "7accac8668abecf025443284a1b47f8f815bac16fdf05c83402c54bd9a2e6cbe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pakr_mio_signalfd-666d1609bc318530)
[INFO] [stderr]    Doc-tests pakr-mio-signalfd
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.62s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7accac8668abecf025443284a1b47f8f815bac16fdf05c83402c54bd9a2e6cbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7accac8668abecf025443284a1b47f8f815bac16fdf05c83402c54bd9a2e6cbe", kill_on_drop: false }`
[INFO] [stdout] 7accac8668abecf025443284a1b47f8f815bac16fdf05c83402c54bd9a2e6cbe