[INFO] fetching crate kitkat 0.1.1...
[INFO] testing kitkat-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate kitkat 0.1.1 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate kitkat 0.1.1 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 kitkat 0.1.1
[INFO] finished tweaking crates.io crate kitkat 0.1.1
[INFO] tweaked toml for crates.io crate kitkat 0.1.1 written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] crate crates.io crate kitkat 0.1.1 already has a lockfile, it will not be regenerated
[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-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 727af4e3fe01bce8af4ac68c6a2cfe639e2e56d9a04dbadb79f0463d21ea85ab
[INFO] running `Command { std: "docker" "start" "-a" "727af4e3fe01bce8af4ac68c6a2cfe639e2e56d9a04dbadb79f0463d21ea85ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "727af4e3fe01bce8af4ac68c6a2cfe639e2e56d9a04dbadb79f0463d21ea85ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "727af4e3fe01bce8af4ac68c6a2cfe639e2e56d9a04dbadb79f0463d21ea85ab", kill_on_drop: false }`
[INFO] [stdout] 727af4e3fe01bce8af4ac68c6a2cfe639e2e56d9a04dbadb79f0463d21ea85ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] db1222dc566e61fa0ddc81fa4058f09eee0f333bf3773858f8958eb159bd4a07
[INFO] running `Command { std: "docker" "start" "-a" "db1222dc566e61fa0ddc81fa4058f09eee0f333bf3773858f8958eb159bd4a07", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling kitkat v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "db1222dc566e61fa0ddc81fa4058f09eee0f333bf3773858f8958eb159bd4a07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db1222dc566e61fa0ddc81fa4058f09eee0f333bf3773858f8958eb159bd4a07", kill_on_drop: false }`
[INFO] [stdout] db1222dc566e61fa0ddc81fa4058f09eee0f333bf3773858f8958eb159bd4a07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 8378d3fc3d807e91ce1a936407b0e6a7e1b085dddb205c5ffb5eb69f0d4cfa23
[INFO] running `Command { std: "docker" "start" "-a" "8378d3fc3d807e91ce1a936407b0e6a7e1b085dddb205c5ffb5eb69f0d4cfa23", kill_on_drop: false }`
[INFO] [stderr]    Compiling kitkat v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "8378d3fc3d807e91ce1a936407b0e6a7e1b085dddb205c5ffb5eb69f0d4cfa23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8378d3fc3d807e91ce1a936407b0e6a7e1b085dddb205c5ffb5eb69f0d4cfa23", kill_on_drop: false }`
[INFO] [stdout] 8378d3fc3d807e91ce1a936407b0e6a7e1b085dddb205c5ffb5eb69f0d4cfa23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 2f7634df5259fb013e1fd426ecb1ad470b95638064dd8be67a264f35895609a1
[INFO] running `Command { std: "docker" "start" "-a" "2f7634df5259fb013e1fd426ecb1ad470b95638064dd8be67a264f35895609a1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.33s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kitkat-688012ea066c9b21)
[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" "2f7634df5259fb013e1fd426ecb1ad470b95638064dd8be67a264f35895609a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f7634df5259fb013e1fd426ecb1ad470b95638064dd8be67a264f35895609a1", kill_on_drop: false }`
[INFO] [stdout] 2f7634df5259fb013e1fd426ecb1ad470b95638064dd8be67a264f35895609a1