[INFO] fetching crate pakr-mio-signalfd 1.0.0...
[INFO] testing pakr-mio-signalfd-1.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate pakr-mio-signalfd 1.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate pakr-mio-signalfd 1.0.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed2cc04d7d4cf348a9f45d97e6eaa64437ef0c009f6c3d280f044bab849b014f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ed2cc04d7d4cf348a9f45d97e6eaa64437ef0c009f6c3d280f044bab849b014f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed2cc04d7d4cf348a9f45d97e6eaa64437ef0c009f6c3d280f044bab849b014f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed2cc04d7d4cf348a9f45d97e6eaa64437ef0c009f6c3d280f044bab849b014f", kill_on_drop: false }`
[INFO] [stdout] ed2cc04d7d4cf348a9f45d97e6eaa64437ef0c009f6c3d280f044bab849b014f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7edad00029418a609508b07b3b07c372211a4ef2b782ea604902cc59da3fd76
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e7edad00029418a609508b07b3b07c372211a4ef2b782ea604902cc59da3fd76", kill_on_drop: false }`
[INFO] [stderr]    Compiling pakr-signals v1.0.0
[INFO] [stderr]    Compiling mio v0.7.7
[INFO] [stderr]    Compiling pakr-mio-signalfd v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "e7edad00029418a609508b07b3b07c372211a4ef2b782ea604902cc59da3fd76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7edad00029418a609508b07b3b07c372211a4ef2b782ea604902cc59da3fd76", kill_on_drop: false }`
[INFO] [stdout] e7edad00029418a609508b07b3b07c372211a4ef2b782ea604902cc59da3fd76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba6bee2848af169847689503fb5dc45be948ae15384311be002cd9471c507825
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ba6bee2848af169847689503fb5dc45be948ae15384311be002cd9471c507825", 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 0.98s
[INFO] running `Command { std: "docker" "inspect" "ba6bee2848af169847689503fb5dc45be948ae15384311be002cd9471c507825", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba6bee2848af169847689503fb5dc45be948ae15384311be002cd9471c507825", kill_on_drop: false }`
[INFO] [stdout] ba6bee2848af169847689503fb5dc45be948ae15384311be002cd9471c507825
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e7b26354f0c249d89e54c343dac3bc48469f8b4f4c00f3dac1bc9fa0880aa5b0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e7b26354f0c249d89e54c343dac3bc48469f8b4f4c00f3dac1bc9fa0880aa5b0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pakr_mio_signalfd-f3d1fb98aed8ab7d
[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
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e7b26354f0c249d89e54c343dac3bc48469f8b4f4c00f3dac1bc9fa0880aa5b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7b26354f0c249d89e54c343dac3bc48469f8b4f4c00f3dac1bc9fa0880aa5b0", kill_on_drop: false }`
[INFO] [stdout] e7b26354f0c249d89e54c343dac3bc48469f8b4f4c00f3dac1bc9fa0880aa5b0