[INFO] fetching crate poll 0.0.0...
[INFO] testing poll-0.0.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate poll 0.0.0 into /workspace/builds/worker-104/source
[INFO] validating manifest of crates.io crate poll 0.0.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate poll 0.0.0
[INFO] finished tweaking crates.io crate poll 0.0.0
[INFO] tweaked toml for crates.io crate poll 0.0.0 written to /workspace/builds/worker-104/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b92c0638bd5b3c5514a5b20b9c17454b9cd8cab87ff2524c04211096d0aa898
[INFO] running `Command { std: "docker" "start" "-a" "7b92c0638bd5b3c5514a5b20b9c17454b9cd8cab87ff2524c04211096d0aa898", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b92c0638bd5b3c5514a5b20b9c17454b9cd8cab87ff2524c04211096d0aa898", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b92c0638bd5b3c5514a5b20b9c17454b9cd8cab87ff2524c04211096d0aa898", kill_on_drop: false }`
[INFO] [stdout] 7b92c0638bd5b3c5514a5b20b9c17454b9cd8cab87ff2524c04211096d0aa898
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb558e8a573d7ab889ec33fc3c97dcbd4241b86ab19d28417f9d1b8915b993a2
[INFO] running `Command { std: "docker" "start" "-a" "cb558e8a573d7ab889ec33fc3c97dcbd4241b86ab19d28417f9d1b8915b993a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling poll v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "cb558e8a573d7ab889ec33fc3c97dcbd4241b86ab19d28417f9d1b8915b993a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb558e8a573d7ab889ec33fc3c97dcbd4241b86ab19d28417f9d1b8915b993a2", kill_on_drop: false }`
[INFO] [stdout] cb558e8a573d7ab889ec33fc3c97dcbd4241b86ab19d28417f9d1b8915b993a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75ee196bae8177113edd4850b44c1691c36f53c57128fa8c6038493f8dfc0ddd
[INFO] running `Command { std: "docker" "start" "-a" "75ee196bae8177113edd4850b44c1691c36f53c57128fa8c6038493f8dfc0ddd", kill_on_drop: false }`
[INFO] [stderr]    Compiling poll v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "75ee196bae8177113edd4850b44c1691c36f53c57128fa8c6038493f8dfc0ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75ee196bae8177113edd4850b44c1691c36f53c57128fa8c6038493f8dfc0ddd", kill_on_drop: false }`
[INFO] [stdout] 75ee196bae8177113edd4850b44c1691c36f53c57128fa8c6038493f8dfc0ddd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c5120a4b662947371a52dc745e26fbd21a19503f537cd9045fb2015617864360
[INFO] running `Command { std: "docker" "start" "-a" "c5120a4b662947371a52dc745e26fbd21a19503f537cd9045fb2015617864360", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/poll-9ee883df3ce58db5)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests poll
[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" "c5120a4b662947371a52dc745e26fbd21a19503f537cd9045fb2015617864360", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5120a4b662947371a52dc745e26fbd21a19503f537cd9045fb2015617864360", kill_on_drop: false }`
[INFO] [stdout] c5120a4b662947371a52dc745e26fbd21a19503f537cd9045fb2015617864360