[INFO] cloning repository https://github.com/d3v1/rustlang-chapter-8-exercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/d3v1/rustlang-chapter-8-exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd3v1%2Frustlang-chapter-8-exercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd3v1%2Frustlang-chapter-8-exercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1e9632e6af11d14c22424e59de49d2821784cb2
[INFO] testing d3v1/rustlang-chapter-8-exercises against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd3v1%2Frustlang-chapter-8-exercises" "/workspace/builds/worker-113/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-113/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/d3v1/rustlang-chapter-8-exercises 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 git repo https://github.com/d3v1/rustlang-chapter-8-exercises
[INFO] finished tweaking git repo https://github.com/d3v1/rustlang-chapter-8-exercises
[INFO] tweaked toml for git repo https://github.com/d3v1/rustlang-chapter-8-exercises written to /workspace/builds/worker-113/source/Cargo.toml
[INFO] crate git repo https://github.com/d3v1/rustlang-chapter-8-exercises 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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] 66266e0af184617fd68141fe9b820f1c0ad0bfc29c808787215d5190cce4592a
[INFO] running `Command { std: "docker" "start" "-a" "66266e0af184617fd68141fe9b820f1c0ad0bfc29c808787215d5190cce4592a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66266e0af184617fd68141fe9b820f1c0ad0bfc29c808787215d5190cce4592a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66266e0af184617fd68141fe9b820f1c0ad0bfc29c808787215d5190cce4592a", kill_on_drop: false }`
[INFO] [stdout] 66266e0af184617fd68141fe9b820f1c0ad0bfc29c808787215d5190cce4592a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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] 3d6876f79a5cd972af197ca428719b8139c0f3c7c3d9f3e999f10cfac2fe30f4
[INFO] running `Command { std: "docker" "start" "-a" "3d6876f79a5cd972af197ca428719b8139c0f3c7c3d9f3e999f10cfac2fe30f4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling integers-homework v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.09s
[INFO] running `Command { std: "docker" "inspect" "3d6876f79a5cd972af197ca428719b8139c0f3c7c3d9f3e999f10cfac2fe30f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d6876f79a5cd972af197ca428719b8139c0f3c7c3d9f3e999f10cfac2fe30f4", kill_on_drop: false }`
[INFO] [stdout] 3d6876f79a5cd972af197ca428719b8139c0f3c7c3d9f3e999f10cfac2fe30f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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] 9578eb0f65a1608445047c6808898ab7c33847e45aa159bb82b9a4d7247345e9
[INFO] running `Command { std: "docker" "start" "-a" "9578eb0f65a1608445047c6808898ab7c33847e45aa159bb82b9a4d7247345e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling integers-homework v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "9578eb0f65a1608445047c6808898ab7c33847e45aa159bb82b9a4d7247345e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9578eb0f65a1608445047c6808898ab7c33847e45aa159bb82b9a4d7247345e9", kill_on_drop: false }`
[INFO] [stdout] 9578eb0f65a1608445047c6808898ab7c33847e45aa159bb82b9a4d7247345e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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] 4a88715a4ba76cc48b0db8b7718762c11e0bce616e8323ff731204384e5057dc
[INFO] running `Command { std: "docker" "start" "-a" "4a88715a4ba76cc48b0db8b7718762c11e0bce616e8323ff731204384e5057dc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/integers_homework-e9f1e8dca205b2a5)
[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" "4a88715a4ba76cc48b0db8b7718762c11e0bce616e8323ff731204384e5057dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a88715a4ba76cc48b0db8b7718762c11e0bce616e8323ff731204384e5057dc", kill_on_drop: false }`
[INFO] [stdout] 4a88715a4ba76cc48b0db8b7718762c11e0bce616e8323ff731204384e5057dc