[INFO] cloning repository https://github.com/ammarshahin/LearningRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ammarshahin/LearningRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fammarshahin%2FLearningRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fammarshahin%2FLearningRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e129f24bfec52b2403cbf8025b3844f7d621f420
[INFO] testing ammarshahin/LearningRust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fammarshahin%2FLearningRust" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ammarshahin/LearningRust 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/ammarshahin/LearningRust
[INFO] finished tweaking git repo https://github.com/ammarshahin/LearningRust
[INFO] tweaked toml for git repo https://github.com/ammarshahin/LearningRust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 97fc5cb2d72f9803bb6529a0c7352eb68e6bfae5f04113aac99c2760d323dcf4
[INFO] running `Command { std: "docker" "start" "-a" "97fc5cb2d72f9803bb6529a0c7352eb68e6bfae5f04113aac99c2760d323dcf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97fc5cb2d72f9803bb6529a0c7352eb68e6bfae5f04113aac99c2760d323dcf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97fc5cb2d72f9803bb6529a0c7352eb68e6bfae5f04113aac99c2760d323dcf4", kill_on_drop: false }`
[INFO] [stdout] 97fc5cb2d72f9803bb6529a0c7352eb68e6bfae5f04113aac99c2760d323dcf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 175c2e0260bfbe76ff6a7ecfc383b8fba0ea98cba76dca9cb4cf0464acaf14ff
[INFO] running `Command { std: "docker" "start" "-a" "175c2e0260bfbe76ff6a7ecfc383b8fba0ea98cba76dca9cb4cf0464acaf14ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling learning_rust_repo v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.83s
[INFO] running `Command { std: "docker" "inspect" "175c2e0260bfbe76ff6a7ecfc383b8fba0ea98cba76dca9cb4cf0464acaf14ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "175c2e0260bfbe76ff6a7ecfc383b8fba0ea98cba76dca9cb4cf0464acaf14ff", kill_on_drop: false }`
[INFO] [stdout] 175c2e0260bfbe76ff6a7ecfc383b8fba0ea98cba76dca9cb4cf0464acaf14ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 6239dd6ee5e4664fbdbac5b3b1c7edfd9236986ae676313759d88a1cdf18d142
[INFO] running `Command { std: "docker" "start" "-a" "6239dd6ee5e4664fbdbac5b3b1c7edfd9236986ae676313759d88a1cdf18d142", kill_on_drop: false }`
[INFO] [stderr]    Compiling learning_rust_repo v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "6239dd6ee5e4664fbdbac5b3b1c7edfd9236986ae676313759d88a1cdf18d142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6239dd6ee5e4664fbdbac5b3b1c7edfd9236986ae676313759d88a1cdf18d142", kill_on_drop: false }`
[INFO] [stdout] 6239dd6ee5e4664fbdbac5b3b1c7edfd9236986ae676313759d88a1cdf18d142
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 32a3374df5dd3a8d02c57305b45af875cbcd95640dc6f352625c4ee7fce8136d
[INFO] running `Command { std: "docker" "start" "-a" "32a3374df5dd3a8d02c57305b45af875cbcd95640dc6f352625c4ee7fce8136d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/learning_rust_repo-42fb508925daf88e)
[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" "32a3374df5dd3a8d02c57305b45af875cbcd95640dc6f352625c4ee7fce8136d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32a3374df5dd3a8d02c57305b45af875cbcd95640dc6f352625c4ee7fce8136d", kill_on_drop: false }`
[INFO] [stdout] 32a3374df5dd3a8d02c57305b45af875cbcd95640dc6f352625c4ee7fce8136d