[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 1.59.0 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-52/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-52/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dandelion-blanc/practice10_itertools on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-52/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" "+1.59.0" "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-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e86d5aa8b9d7789465dee790b679885616101229caaafc3d37a72a3752d4dd6
[INFO] running `Command { std: "docker" "start" "-a" "9e86d5aa8b9d7789465dee790b679885616101229caaafc3d37a72a3752d4dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e86d5aa8b9d7789465dee790b679885616101229caaafc3d37a72a3752d4dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e86d5aa8b9d7789465dee790b679885616101229caaafc3d37a72a3752d4dd6", kill_on_drop: false }`
[INFO] [stdout] 9e86d5aa8b9d7789465dee790b679885616101229caaafc3d37a72a3752d4dd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74a9e3bfdb7ca14b9642d0a352a06181adee51bd10e4bed92d162e7d7f200af8
[INFO] running `Command { std: "docker" "start" "-a" "74a9e3bfdb7ca14b9642d0a352a06181adee51bd10e4bed92d162e7d7f200af8", 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 50.88s
[INFO] running `Command { std: "docker" "inspect" "74a9e3bfdb7ca14b9642d0a352a06181adee51bd10e4bed92d162e7d7f200af8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74a9e3bfdb7ca14b9642d0a352a06181adee51bd10e4bed92d162e7d7f200af8", kill_on_drop: false }`
[INFO] [stdout] 74a9e3bfdb7ca14b9642d0a352a06181adee51bd10e4bed92d162e7d7f200af8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f00bfb98a995233dcaa3b743daee520a98e75ccb3279f7633a4836c2b32d8b44
[INFO] running `Command { std: "docker" "start" "-a" "f00bfb98a995233dcaa3b743daee520a98e75ccb3279f7633a4836c2b32d8b44", kill_on_drop: false }`
[INFO] [stderr]    Compiling practice10_itertools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "f00bfb98a995233dcaa3b743daee520a98e75ccb3279f7633a4836c2b32d8b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f00bfb98a995233dcaa3b743daee520a98e75ccb3279f7633a4836c2b32d8b44", kill_on_drop: false }`
[INFO] [stdout] f00bfb98a995233dcaa3b743daee520a98e75ccb3279f7633a4836c2b32d8b44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2ad19dfe54925a03864748d2a387b43421779c828225fd76c9bd4960d1bd53d8
[INFO] running `Command { std: "docker" "start" "-a" "2ad19dfe54925a03864748d2a387b43421779c828225fd76c9bd4960d1bd53d8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/practice10_itertools-68dc536b3381cfb4)
[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" "2ad19dfe54925a03864748d2a387b43421779c828225fd76c9bd4960d1bd53d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ad19dfe54925a03864748d2a387b43421779c828225fd76c9bd4960d1bd53d8", kill_on_drop: false }`
[INFO] [stdout] 2ad19dfe54925a03864748d2a387b43421779c828225fd76c9bd4960d1bd53d8