[INFO] fetching crate utk 0.1.0...
[INFO] testing utk-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate utk 0.1.0 into /workspace/builds/worker-53/source
[INFO] validating manifest of crates.io crate utk 0.1.0 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 utk 0.1.0
[INFO] finished tweaking crates.io crate utk 0.1.0
[INFO] tweaked toml for crates.io crate utk 0.1.0 written to /workspace/builds/worker-53/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] 62cc39e2d335f5d5d5e30f0871877033453e5fb31b39220291fe542b25836bf4
[INFO] running `Command { std: "docker" "start" "-a" "62cc39e2d335f5d5d5e30f0871877033453e5fb31b39220291fe542b25836bf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62cc39e2d335f5d5d5e30f0871877033453e5fb31b39220291fe542b25836bf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62cc39e2d335f5d5d5e30f0871877033453e5fb31b39220291fe542b25836bf4", kill_on_drop: false }`
[INFO] [stdout] 62cc39e2d335f5d5d5e30f0871877033453e5fb31b39220291fe542b25836bf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] 27934830ace2e9f39584cdd2ce2a9f038ae5f9006510491e8c6d6ef5139517f6
[INFO] running `Command { std: "docker" "start" "-a" "27934830ace2e9f39584cdd2ce2a9f038ae5f9006510491e8c6d6ef5139517f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling utk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "27934830ace2e9f39584cdd2ce2a9f038ae5f9006510491e8c6d6ef5139517f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27934830ace2e9f39584cdd2ce2a9f038ae5f9006510491e8c6d6ef5139517f6", kill_on_drop: false }`
[INFO] [stdout] 27934830ace2e9f39584cdd2ce2a9f038ae5f9006510491e8c6d6ef5139517f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] 2e8840cb202e58ce7d26f089b6278ee7e9c7ae0e87403cf8f29489c45c5f6a9b
[INFO] running `Command { std: "docker" "start" "-a" "2e8840cb202e58ce7d26f089b6278ee7e9c7ae0e87403cf8f29489c45c5f6a9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling utk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "2e8840cb202e58ce7d26f089b6278ee7e9c7ae0e87403cf8f29489c45c5f6a9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e8840cb202e58ce7d26f089b6278ee7e9c7ae0e87403cf8f29489c45c5f6a9b", kill_on_drop: false }`
[INFO] [stdout] 2e8840cb202e58ce7d26f089b6278ee7e9c7ae0e87403cf8f29489c45c5f6a9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] 21a3474d64b9f0899c8ce7d6771bcfef52d9df7632fb2cd542244eea7716ef87
[INFO] running `Command { std: "docker" "start" "-a" "21a3474d64b9f0899c8ce7d6771bcfef52d9df7632fb2cd542244eea7716ef87", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/utk-bdff95f8d841165b)
[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 utk
[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" "21a3474d64b9f0899c8ce7d6771bcfef52d9df7632fb2cd542244eea7716ef87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21a3474d64b9f0899c8ce7d6771bcfef52d9df7632fb2cd542244eea7716ef87", kill_on_drop: false }`
[INFO] [stdout] 21a3474d64b9f0899c8ce7d6771bcfef52d9df7632fb2cd542244eea7716ef87