[INFO] fetching crate epoll 4.3.1...
[INFO] testing epoll-4.3.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate epoll 4.3.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate epoll 4.3.1 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 epoll 4.3.1
[INFO] finished tweaking crates.io crate epoll 4.3.1
[INFO] tweaked toml for crates.io crate epoll 4.3.1 written to /workspace/builds/worker-6/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] 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" "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] 47d2c2866ed5e5ccd4a61fa99f4e5f335c1dc60cfaabc0d10b5da7b583a4ceb7
[INFO] running `Command { std: "docker" "start" "-a" "47d2c2866ed5e5ccd4a61fa99f4e5f335c1dc60cfaabc0d10b5da7b583a4ceb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47d2c2866ed5e5ccd4a61fa99f4e5f335c1dc60cfaabc0d10b5da7b583a4ceb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47d2c2866ed5e5ccd4a61fa99f4e5f335c1dc60cfaabc0d10b5da7b583a4ceb7", kill_on_drop: false }`
[INFO] [stdout] 47d2c2866ed5e5ccd4a61fa99f4e5f335c1dc60cfaabc0d10b5da7b583a4ceb7
[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" "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] a5d9089813882ec625a1f61b702e52e6fc6a22ec11ca7638184dc5e21ef80696
[INFO] running `Command { std: "docker" "start" "-a" "a5d9089813882ec625a1f61b702e52e6fc6a22ec11ca7638184dc5e21ef80696", kill_on_drop: false }`
[INFO] [stderr]    Compiling epoll v4.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "a5d9089813882ec625a1f61b702e52e6fc6a22ec11ca7638184dc5e21ef80696", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5d9089813882ec625a1f61b702e52e6fc6a22ec11ca7638184dc5e21ef80696", kill_on_drop: false }`
[INFO] [stdout] a5d9089813882ec625a1f61b702e52e6fc6a22ec11ca7638184dc5e21ef80696
[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" "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] faba78d0b0863a2fcc00f9558a93ae9c94610ff84923ab2380a4e0630e548300
[INFO] running `Command { std: "docker" "start" "-a" "faba78d0b0863a2fcc00f9558a93ae9c94610ff84923ab2380a4e0630e548300", kill_on_drop: false }`
[INFO] [stderr]    Compiling epoll v4.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "faba78d0b0863a2fcc00f9558a93ae9c94610ff84923ab2380a4e0630e548300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faba78d0b0863a2fcc00f9558a93ae9c94610ff84923ab2380a4e0630e548300", kill_on_drop: false }`
[INFO] [stdout] faba78d0b0863a2fcc00f9558a93ae9c94610ff84923ab2380a4e0630e548300
[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" "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] f7714c0f857e069217548a90d8559bb715e3e5e471b1fa060cb24f6697020992
[INFO] running `Command { std: "docker" "start" "-a" "f7714c0f857e069217548a90d8559bb715e3e5e471b1fa060cb24f6697020992", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/epoll-28cd98d08ff87b7c)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests epoll
[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 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" "f7714c0f857e069217548a90d8559bb715e3e5e471b1fa060cb24f6697020992", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7714c0f857e069217548a90d8559bb715e3e5e471b1fa060cb24f6697020992", kill_on_drop: false }`
[INFO] [stdout] f7714c0f857e069217548a90d8559bb715e3e5e471b1fa060cb24f6697020992