[INFO] cloning repository https://github.com/stefano-garzarella/rust-epoll-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stefano-garzarella/rust-epoll-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefano-garzarella%2Frust-epoll-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefano-garzarella%2Frust-epoll-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 468e2d1ec534bea98b6dfd003bdf7538acc3ac33
[INFO] testing stefano-garzarella/rust-epoll-test against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefano-garzarella%2Frust-epoll-test" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stefano-garzarella/rust-epoll-test 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 git repo https://github.com/stefano-garzarella/rust-epoll-test
[INFO] finished tweaking git repo https://github.com/stefano-garzarella/rust-epoll-test
[INFO] tweaked toml for git repo https://github.com/stefano-garzarella/rust-epoll-test written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/stefano-garzarella/rust-epoll-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded epoll v4.1.0
[INFO] [stderr]   Downloaded byte-unit v3.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 48e250a8222a54061657d4e91766e03b903d26b549d9cf6682e8f38f416f0f1c
[INFO] running `Command { std: "docker" "start" "-a" "48e250a8222a54061657d4e91766e03b903d26b549d9cf6682e8f38f416f0f1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48e250a8222a54061657d4e91766e03b903d26b549d9cf6682e8f38f416f0f1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48e250a8222a54061657d4e91766e03b903d26b549d9cf6682e8f38f416f0f1c", kill_on_drop: false }`
[INFO] [stdout] 48e250a8222a54061657d4e91766e03b903d26b549d9cf6682e8f38f416f0f1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] e3ceefbd4414bdc53c2f82e22c058b31a3f1db9e57ac9c0c7cfe2ee2974acfad
[INFO] running `Command { std: "docker" "start" "-a" "e3ceefbd4414bdc53c2f82e22c058b31a3f1db9e57ac9c0c7cfe2ee2974acfad", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling byte-unit v3.0.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling epoll v4.1.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling ctrlc v3.1.4
[INFO] [stderr]    Compiling rust-epoll-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.21s
[INFO] running `Command { std: "docker" "inspect" "e3ceefbd4414bdc53c2f82e22c058b31a3f1db9e57ac9c0c7cfe2ee2974acfad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3ceefbd4414bdc53c2f82e22c058b31a3f1db9e57ac9c0c7cfe2ee2974acfad", kill_on_drop: false }`
[INFO] [stdout] e3ceefbd4414bdc53c2f82e22c058b31a3f1db9e57ac9c0c7cfe2ee2974acfad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 0b49e206dd71106e7f20f616dbf3b87123494c26126457d4e7b4aa44a37a600a
[INFO] running `Command { std: "docker" "start" "-a" "0b49e206dd71106e7f20f616dbf3b87123494c26126457d4e7b4aa44a37a600a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-epoll-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.66s
[INFO] running `Command { std: "docker" "inspect" "0b49e206dd71106e7f20f616dbf3b87123494c26126457d4e7b4aa44a37a600a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b49e206dd71106e7f20f616dbf3b87123494c26126457d4e7b4aa44a37a600a", kill_on_drop: false }`
[INFO] [stdout] 0b49e206dd71106e7f20f616dbf3b87123494c26126457d4e7b4aa44a37a600a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] c8dccc249f1445ad496b8b07ad4ef06952bbcb8cac29aa06374be3d4f68103b2
[INFO] running `Command { std: "docker" "start" "-a" "c8dccc249f1445ad496b8b07ad4ef06952bbcb8cac29aa06374be3d4f68103b2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.37s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_epoll_test-36fbf208bdf0aee1)
[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" "c8dccc249f1445ad496b8b07ad4ef06952bbcb8cac29aa06374be3d4f68103b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8dccc249f1445ad496b8b07ad4ef06952bbcb8cac29aa06374be3d4f68103b2", kill_on_drop: false }`
[INFO] [stdout] c8dccc249f1445ad496b8b07ad4ef06952bbcb8cac29aa06374be3d4f68103b2