[INFO] cloning repository https://github.com/dandelion-blanc/practice10_itertools
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dandelion-blanc/practice10_itertools" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice10_itertools", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice10_itertools'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eaac1be643782366ef19343234e527a0753cfc80
[INFO] testing dandelion-blanc/practice10_itertools against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice10_itertools" "/workspace/builds/worker-107/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-107/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dandelion-blanc/practice10_itertools 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 git repo https://github.com/dandelion-blanc/practice10_itertools
[INFO] finished tweaking git repo https://github.com/dandelion-blanc/practice10_itertools
[INFO] tweaked toml for git repo https://github.com/dandelion-blanc/practice10_itertools written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] crate git repo https://github.com/dandelion-blanc/practice10_itertools 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-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] f9da1566eb0f39e199eaa8df6daf0564d593482a0b0bf74c188a8fbc571cb6d1
[INFO] running `Command { std: "docker" "start" "-a" "f9da1566eb0f39e199eaa8df6daf0564d593482a0b0bf74c188a8fbc571cb6d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9da1566eb0f39e199eaa8df6daf0564d593482a0b0bf74c188a8fbc571cb6d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9da1566eb0f39e199eaa8df6daf0564d593482a0b0bf74c188a8fbc571cb6d1", kill_on_drop: false }`
[INFO] [stdout] f9da1566eb0f39e199eaa8df6daf0564d593482a0b0bf74c188a8fbc571cb6d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] ac9318eeb8b4b3ca78bf9f9dbad80b87ec5ad70a912e08f99594f91599ffc929
[INFO] running `Command { std: "docker" "start" "-a" "ac9318eeb8b4b3ca78bf9f9dbad80b87ec5ad70a912e08f99594f91599ffc929", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling practice10_itertools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "ac9318eeb8b4b3ca78bf9f9dbad80b87ec5ad70a912e08f99594f91599ffc929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac9318eeb8b4b3ca78bf9f9dbad80b87ec5ad70a912e08f99594f91599ffc929", kill_on_drop: false }`
[INFO] [stdout] ac9318eeb8b4b3ca78bf9f9dbad80b87ec5ad70a912e08f99594f91599ffc929
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] c0c3748af95b772339f788a23d7f36245ba7cd9da9d4e4cca6ce253696324548
[INFO] running `Command { std: "docker" "start" "-a" "c0c3748af95b772339f788a23d7f36245ba7cd9da9d4e4cca6ce253696324548", kill_on_drop: false }`
[INFO] [stderr]    Compiling practice10_itertools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "c0c3748af95b772339f788a23d7f36245ba7cd9da9d4e4cca6ce253696324548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0c3748af95b772339f788a23d7f36245ba7cd9da9d4e4cca6ce253696324548", kill_on_drop: false }`
[INFO] [stdout] c0c3748af95b772339f788a23d7f36245ba7cd9da9d4e4cca6ce253696324548
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] 669e4ce072bf5ec648682caae46dfc32c5b12c506099f4e9002080f3a2e92d86
[INFO] running `Command { std: "docker" "start" "-a" "669e4ce072bf5ec648682caae46dfc32c5b12c506099f4e9002080f3a2e92d86", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/practice10_itertools-e235e1624c8a2f4f)
[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" "669e4ce072bf5ec648682caae46dfc32c5b12c506099f4e9002080f3a2e92d86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "669e4ce072bf5ec648682caae46dfc32c5b12c506099f4e9002080f3a2e92d86", kill_on_drop: false }`
[INFO] [stdout] 669e4ce072bf5ec648682caae46dfc32c5b12c506099f4e9002080f3a2e92d86