[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 beta-2021-09-08 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-67/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-67/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stefano-garzarella/rust-epoll-test on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-67/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" "+beta-2021-09-08" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5cfd46126c9b45c13e5b4d342a46df9dabbe50c4a26ff41c1dcb9a3e4018973
[INFO] running `Command { std: "docker" "start" "-a" "c5cfd46126c9b45c13e5b4d342a46df9dabbe50c4a26ff41c1dcb9a3e4018973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5cfd46126c9b45c13e5b4d342a46df9dabbe50c4a26ff41c1dcb9a3e4018973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5cfd46126c9b45c13e5b4d342a46df9dabbe50c4a26ff41c1dcb9a3e4018973", kill_on_drop: false }`
[INFO] [stdout] c5cfd46126c9b45c13e5b4d342a46df9dabbe50c4a26ff41c1dcb9a3e4018973
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94d17d1cde00885879b81b6b75337540aeb2ff7fea4d5622c740d09f35c6c597
[INFO] running `Command { std: "docker" "start" "-a" "94d17d1cde00885879b81b6b75337540aeb2ff7fea4d5622c740d09f35c6c597", 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 log v0.4.8
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling vec_map v0.8.1
[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 11.25s
[INFO] running `Command { std: "docker" "inspect" "94d17d1cde00885879b81b6b75337540aeb2ff7fea4d5622c740d09f35c6c597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94d17d1cde00885879b81b6b75337540aeb2ff7fea4d5622c740d09f35c6c597", kill_on_drop: false }`
[INFO] [stdout] 94d17d1cde00885879b81b6b75337540aeb2ff7fea4d5622c740d09f35c6c597
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5290dfa41d32fa3528f8e76ab3ee67cdbd0293e0594eced31931b79cd07649a
[INFO] running `Command { std: "docker" "start" "-a" "c5290dfa41d32fa3528f8e76ab3ee67cdbd0293e0594eced31931b79cd07649a", 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 13.29s
[INFO] running `Command { std: "docker" "inspect" "c5290dfa41d32fa3528f8e76ab3ee67cdbd0293e0594eced31931b79cd07649a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5290dfa41d32fa3528f8e76ab3ee67cdbd0293e0594eced31931b79cd07649a", kill_on_drop: false }`
[INFO] [stdout] c5290dfa41d32fa3528f8e76ab3ee67cdbd0293e0594eced31931b79cd07649a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dcd026540a3a49952a69ace0e9f9dd460a552af4243a397f17b784bd0c6463a3
[INFO] running `Command { std: "docker" "start" "-a" "dcd026540a3a49952a69ace0e9f9dd460a552af4243a397f17b784bd0c6463a3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_epoll_test-eaca6d176caab31a)
[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" "dcd026540a3a49952a69ace0e9f9dd460a552af4243a397f17b784bd0c6463a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcd026540a3a49952a69ace0e9f9dd460a552af4243a397f17b784bd0c6463a3", kill_on_drop: false }`
[INFO] [stdout] dcd026540a3a49952a69ace0e9f9dd460a552af4243a397f17b784bd0c6463a3