[INFO] fetching crate async-core 0.2.0...
[INFO] testing async-core-0.2.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate async-core 0.2.0 into /workspace/builds/worker-107/source
[INFO] validating manifest of crates.io crate async-core 0.2.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-core 0.2.0
[INFO] finished tweaking crates.io crate async-core 0.2.0
[INFO] tweaked toml for crates.io crate async-core 0.2.0 written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 096efde5644723d10659e87ca4b109a14bb2a676e44ca6252d7f13d996b304ba
[INFO] running `Command { std: "docker" "start" "-a" "096efde5644723d10659e87ca4b109a14bb2a676e44ca6252d7f13d996b304ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "096efde5644723d10659e87ca4b109a14bb2a676e44ca6252d7f13d996b304ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "096efde5644723d10659e87ca4b109a14bb2a676e44ca6252d7f13d996b304ba", kill_on_drop: false }`
[INFO] [stdout] 096efde5644723d10659e87ca4b109a14bb2a676e44ca6252d7f13d996b304ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1177e18ba33ecf0219bf3df606f659e0b0179be309ba0ef807ecf61a19f99c5d
[INFO] running `Command { std: "docker" "start" "-a" "1177e18ba33ecf0219bf3df606f659e0b0179be309ba0ef807ecf61a19f99c5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-core v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "1177e18ba33ecf0219bf3df606f659e0b0179be309ba0ef807ecf61a19f99c5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1177e18ba33ecf0219bf3df606f659e0b0179be309ba0ef807ecf61a19f99c5d", kill_on_drop: false }`
[INFO] [stdout] 1177e18ba33ecf0219bf3df606f659e0b0179be309ba0ef807ecf61a19f99c5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2935dd4ce0e497b091ab7a21536a3cad9a55f080f2badd6e2067abe20c676677
[INFO] running `Command { std: "docker" "start" "-a" "2935dd4ce0e497b091ab7a21536a3cad9a55f080f2badd6e2067abe20c676677", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-core v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "2935dd4ce0e497b091ab7a21536a3cad9a55f080f2badd6e2067abe20c676677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2935dd4ce0e497b091ab7a21536a3cad9a55f080f2badd6e2067abe20c676677", kill_on_drop: false }`
[INFO] [stdout] 2935dd4ce0e497b091ab7a21536a3cad9a55f080f2badd6e2067abe20c676677
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7d712908d527b7c09437123c48628620eec83c2e9a964a1db9b5ad388666b4fe
[INFO] running `Command { std: "docker" "start" "-a" "7d712908d527b7c09437123c48628620eec83c2e9a964a1db9b5ad388666b4fe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_core-30c985770a92712b)
[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 async-core
[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" "7d712908d527b7c09437123c48628620eec83c2e9a964a1db9b5ad388666b4fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d712908d527b7c09437123c48628620eec83c2e9a964a1db9b5ad388666b4fe", kill_on_drop: false }`
[INFO] [stdout] 7d712908d527b7c09437123c48628620eec83c2e9a964a1db9b5ad388666b4fe
