[INFO] fetching crate flush 0.1.0...
[INFO] testing flush-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate flush 0.1.0 into /workspace/builds/worker-93/source
[INFO] validating manifest of crates.io crate flush 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 flush 0.1.0
[INFO] finished tweaking crates.io crate flush 0.1.0
[INFO] tweaked toml for crates.io crate flush 0.1.0 written to /workspace/builds/worker-93/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nix v0.11.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] 595863aadad34fb475eff2dce8e668ddb6d77ddaff3dc177e501c27994213dd1
[INFO] running `Command { std: "docker" "start" "-a" "595863aadad34fb475eff2dce8e668ddb6d77ddaff3dc177e501c27994213dd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "595863aadad34fb475eff2dce8e668ddb6d77ddaff3dc177e501c27994213dd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "595863aadad34fb475eff2dce8e668ddb6d77ddaff3dc177e501c27994213dd1", kill_on_drop: false }`
[INFO] [stdout] 595863aadad34fb475eff2dce8e668ddb6d77ddaff3dc177e501c27994213dd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] cc8a7cd812d581d9a21a10f481dcad6f8c629027bb790c8e9823381c15c69805
[INFO] running `Command { std: "docker" "start" "-a" "cc8a7cd812d581d9a21a10f481dcad6f8c629027bb790c8e9823381c15c69805", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling flush v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.76s
[INFO] running `Command { std: "docker" "inspect" "cc8a7cd812d581d9a21a10f481dcad6f8c629027bb790c8e9823381c15c69805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc8a7cd812d581d9a21a10f481dcad6f8c629027bb790c8e9823381c15c69805", kill_on_drop: false }`
[INFO] [stdout] cc8a7cd812d581d9a21a10f481dcad6f8c629027bb790c8e9823381c15c69805
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] e7876592f7ada7a6ff389b5cadde10d0611862b297a3d6538b9965404fbd62e9
[INFO] running `Command { std: "docker" "start" "-a" "e7876592f7ada7a6ff389b5cadde10d0611862b297a3d6538b9965404fbd62e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling flush v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "e7876592f7ada7a6ff389b5cadde10d0611862b297a3d6538b9965404fbd62e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7876592f7ada7a6ff389b5cadde10d0611862b297a3d6538b9965404fbd62e9", kill_on_drop: false }`
[INFO] [stdout] e7876592f7ada7a6ff389b5cadde10d0611862b297a3d6538b9965404fbd62e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] 03f9face9ed43645c221fdc4eca4d6b8e3ed7995f72ec9126c28c547cae8c288
[INFO] running `Command { std: "docker" "start" "-a" "03f9face9ed43645c221fdc4eca4d6b8e3ed7995f72ec9126c28c547cae8c288", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flush-160b531af75226a3)
[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" "03f9face9ed43645c221fdc4eca4d6b8e3ed7995f72ec9126c28c547cae8c288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03f9face9ed43645c221fdc4eca4d6b8e3ed7995f72ec9126c28c547cae8c288", kill_on_drop: false }`
[INFO] [stdout] 03f9face9ed43645c221fdc4eca4d6b8e3ed7995f72ec9126c28c547cae8c288