[INFO] cloning repository https://github.com/aver803bath5/rust_homework_of_ch8-1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aver803bath5/rust_homework_of_ch8-1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faver803bath5%2Frust_homework_of_ch8-1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faver803bath5%2Frust_homework_of_ch8-1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c3f9533c814e25f78bd118e9f9623e45276aa6a0
[INFO] testing aver803bath5/rust_homework_of_ch8-1 against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faver803bath5%2Frust_homework_of_ch8-1" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aver803bath5/rust_homework_of_ch8-1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aver803bath5/rust_homework_of_ch8-1
[INFO] finished tweaking git repo https://github.com/aver803bath5/rust_homework_of_ch8-1
[INFO] tweaked toml for git repo https://github.com/aver803bath5/rust_homework_of_ch8-1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/aver803bath5/rust_homework_of_ch8-1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 826b398c91347fd8fa030f47227885f7ce85aefda56002eeeeacb421c38be3aa
[INFO] running `Command { std: "docker" "start" "-a" "826b398c91347fd8fa030f47227885f7ce85aefda56002eeeeacb421c38be3aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "826b398c91347fd8fa030f47227885f7ce85aefda56002eeeeacb421c38be3aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "826b398c91347fd8fa030f47227885f7ce85aefda56002eeeeacb421c38be3aa", kill_on_drop: false }`
[INFO] [stdout] 826b398c91347fd8fa030f47227885f7ce85aefda56002eeeeacb421c38be3aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52b221903b7a9154d4aa0c5476a78ddde62b37f0d193761af33e7e98f1f57605
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "52b221903b7a9154d4aa0c5476a78ddde62b37f0d193761af33e7e98f1f57605", kill_on_drop: false }`
[INFO] [stderr]    Compiling collection_hw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "52b221903b7a9154d4aa0c5476a78ddde62b37f0d193761af33e7e98f1f57605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52b221903b7a9154d4aa0c5476a78ddde62b37f0d193761af33e7e98f1f57605", kill_on_drop: false }`
[INFO] [stdout] 52b221903b7a9154d4aa0c5476a78ddde62b37f0d193761af33e7e98f1f57605
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 42ba3bd5a63d919e44a14f875f3d70b88a1706a12c182295331ddb5081d7b0e9
[INFO] running `Command { std: "docker" "start" "-a" "42ba3bd5a63d919e44a14f875f3d70b88a1706a12c182295331ddb5081d7b0e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling collection_hw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "42ba3bd5a63d919e44a14f875f3d70b88a1706a12c182295331ddb5081d7b0e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42ba3bd5a63d919e44a14f875f3d70b88a1706a12c182295331ddb5081d7b0e9", kill_on_drop: false }`
[INFO] [stdout] 42ba3bd5a63d919e44a14f875f3d70b88a1706a12c182295331ddb5081d7b0e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b106404420d0f9c8a2e50650d96378c69e0a340a7603cd09ca5be8ea25dfe830
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b106404420d0f9c8a2e50650d96378c69e0a340a7603cd09ca5be8ea25dfe830", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/collection_hw-9a6376cd6ad8458b)
[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" "b106404420d0f9c8a2e50650d96378c69e0a340a7603cd09ca5be8ea25dfe830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b106404420d0f9c8a2e50650d96378c69e0a340a7603cd09ca5be8ea25dfe830", kill_on_drop: false }`
[INFO] [stdout] b106404420d0f9c8a2e50650d96378c69e0a340a7603cd09ca5be8ea25dfe830