[INFO] fetching crate flaky 0.1.0...
[INFO] testing flaky-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate flaky 0.1.0 into /workspace/builds/worker-90/source
[INFO] validating manifest of crates.io crate flaky 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flaky 0.1.0
[INFO] finished tweaking crates.io crate flaky 0.1.0
[INFO] tweaked toml for crates.io crate flaky 0.1.0 written to /workspace/builds/worker-90/source/Cargo.toml
[INFO] crate crates.io crate flaky 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b0102bf2fadde3978a47bcdbb35230fd00c44640ff01aa911c5f57205b356d6
[INFO] running `Command { std: "docker" "start" "-a" "7b0102bf2fadde3978a47bcdbb35230fd00c44640ff01aa911c5f57205b356d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b0102bf2fadde3978a47bcdbb35230fd00c44640ff01aa911c5f57205b356d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b0102bf2fadde3978a47bcdbb35230fd00c44640ff01aa911c5f57205b356d6", kill_on_drop: false }`
[INFO] [stdout] 7b0102bf2fadde3978a47bcdbb35230fd00c44640ff01aa911c5f57205b356d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e98d1b8714a04abf3d947e038faaaf8ce8205e92932aabb92249392e4c21195
[INFO] running `Command { std: "docker" "start" "-a" "3e98d1b8714a04abf3d947e038faaaf8ce8205e92932aabb92249392e4c21195", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling flaky v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "3e98d1b8714a04abf3d947e038faaaf8ce8205e92932aabb92249392e4c21195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e98d1b8714a04abf3d947e038faaaf8ce8205e92932aabb92249392e4c21195", kill_on_drop: false }`
[INFO] [stdout] 3e98d1b8714a04abf3d947e038faaaf8ce8205e92932aabb92249392e4c21195
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a9bd98792d2749880e38a4ec5ee8936c449af3e3f19381c38179bf2e1f7066f
[INFO] running `Command { std: "docker" "start" "-a" "9a9bd98792d2749880e38a4ec5ee8936c449af3e3f19381c38179bf2e1f7066f", kill_on_drop: false }`
[INFO] [stderr]    Compiling flaky v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "9a9bd98792d2749880e38a4ec5ee8936c449af3e3f19381c38179bf2e1f7066f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a9bd98792d2749880e38a4ec5ee8936c449af3e3f19381c38179bf2e1f7066f", kill_on_drop: false }`
[INFO] [stdout] 9a9bd98792d2749880e38a4ec5ee8936c449af3e3f19381c38179bf2e1f7066f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 344655d5b0b2163d4543f30605df8fe39196bb7fc6905c229a454d0f23e87c1d
[INFO] running `Command { std: "docker" "start" "-a" "344655d5b0b2163d4543f30605df8fe39196bb7fc6905c229a454d0f23e87c1d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flaky-462578c1db8a7678)
[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" "344655d5b0b2163d4543f30605df8fe39196bb7fc6905c229a454d0f23e87c1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "344655d5b0b2163d4543f30605df8fe39196bb7fc6905c229a454d0f23e87c1d", kill_on_drop: false }`
[INFO] [stdout] 344655d5b0b2163d4543f30605df8fe39196bb7fc6905c229a454d0f23e87c1d