[INFO] fetching crate vc 0.0.1...
[INFO] testing vc-0.0.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate vc 0.0.1 into /workspace/builds/worker-91/source
[INFO] validating manifest of crates.io crate vc 0.0.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vc 0.0.1
[INFO] finished tweaking crates.io crate vc 0.0.1
[INFO] tweaked toml for crates.io crate vc 0.0.1 written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 094984de6b865125c2477f9235fd1125ea25b062315ecfc9e885fed3c3598200
[INFO] running `Command { std: "docker" "start" "-a" "094984de6b865125c2477f9235fd1125ea25b062315ecfc9e885fed3c3598200", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "094984de6b865125c2477f9235fd1125ea25b062315ecfc9e885fed3c3598200", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "094984de6b865125c2477f9235fd1125ea25b062315ecfc9e885fed3c3598200", kill_on_drop: false }`
[INFO] [stdout] 094984de6b865125c2477f9235fd1125ea25b062315ecfc9e885fed3c3598200
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d066e17dc2797128dad2f8258b43a8f34ccb4a14a38025b2d65771480bd0f1d9
[INFO] running `Command { std: "docker" "start" "-a" "d066e17dc2797128dad2f8258b43a8f34ccb4a14a38025b2d65771480bd0f1d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling vc v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "d066e17dc2797128dad2f8258b43a8f34ccb4a14a38025b2d65771480bd0f1d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d066e17dc2797128dad2f8258b43a8f34ccb4a14a38025b2d65771480bd0f1d9", kill_on_drop: false }`
[INFO] [stdout] d066e17dc2797128dad2f8258b43a8f34ccb4a14a38025b2d65771480bd0f1d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ecec3bf612be670efc50c65340ca3e21ba9dff94edde698c70a5516f24a0ddc
[INFO] running `Command { std: "docker" "start" "-a" "4ecec3bf612be670efc50c65340ca3e21ba9dff94edde698c70a5516f24a0ddc", kill_on_drop: false }`
[INFO] [stderr]    Compiling vc v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "4ecec3bf612be670efc50c65340ca3e21ba9dff94edde698c70a5516f24a0ddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ecec3bf612be670efc50c65340ca3e21ba9dff94edde698c70a5516f24a0ddc", kill_on_drop: false }`
[INFO] [stdout] 4ecec3bf612be670efc50c65340ca3e21ba9dff94edde698c70a5516f24a0ddc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b256f3d779eed8003d5b69b1f8b21df7b94f89f59152819b5b7b3e0d1a0e1ab1
[INFO] running `Command { std: "docker" "start" "-a" "b256f3d779eed8003d5b69b1f8b21df7b94f89f59152819b5b7b3e0d1a0e1ab1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vc-7a502cbe236d90b3)
[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" "b256f3d779eed8003d5b69b1f8b21df7b94f89f59152819b5b7b3e0d1a0e1ab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b256f3d779eed8003d5b69b1f8b21df7b94f89f59152819b5b7b3e0d1a0e1ab1", kill_on_drop: false }`
[INFO] [stdout] b256f3d779eed8003d5b69b1f8b21df7b94f89f59152819b5b7b3e0d1a0e1ab1