[INFO] cloning repository https://github.com/moisutsu-playground/rust-serde-yaml-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/moisutsu-playground/rust-serde-yaml-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoisutsu-playground%2Frust-serde-yaml-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoisutsu-playground%2Frust-serde-yaml-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18f59fef45ed0696d2fd9ef14fe810f1a0c34411
[INFO] testing moisutsu-playground/rust-serde-yaml-playground 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%2Fmoisutsu-playground%2Frust-serde-yaml-playground" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/moisutsu-playground/rust-serde-yaml-playground 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/moisutsu-playground/rust-serde-yaml-playground
[INFO] finished tweaking git repo https://github.com/moisutsu-playground/rust-serde-yaml-playground
[INFO] tweaked toml for git repo https://github.com/moisutsu-playground/rust-serde-yaml-playground written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/moisutsu-playground/rust-serde-yaml-playground 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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 411de963cdf8ed90262f9e0faa8b8febf2e1041cf99f6702f05f895a01adac9d
[INFO] running `Command { std: "docker" "start" "-a" "411de963cdf8ed90262f9e0faa8b8febf2e1041cf99f6702f05f895a01adac9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "411de963cdf8ed90262f9e0faa8b8febf2e1041cf99f6702f05f895a01adac9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "411de963cdf8ed90262f9e0faa8b8febf2e1041cf99f6702f05f895a01adac9d", kill_on_drop: false }`
[INFO] [stdout] 411de963cdf8ed90262f9e0faa8b8febf2e1041cf99f6702f05f895a01adac9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] f9f8f0bfc4553848e725e985961ff2081b843e93c47687c2c288a0867340a050
[INFO] running `Command { std: "docker" "start" "-a" "f9f8f0bfc4553848e725e985961ff2081b843e93c47687c2c288a0867340a050", kill_on_drop: false }`
[INFO] [stderr]    Compiling yaml-rust v0.4.4
[INFO] [stderr]    Compiling rust-serde-yaml-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.43s
[INFO] running `Command { std: "docker" "inspect" "f9f8f0bfc4553848e725e985961ff2081b843e93c47687c2c288a0867340a050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9f8f0bfc4553848e725e985961ff2081b843e93c47687c2c288a0867340a050", kill_on_drop: false }`
[INFO] [stdout] f9f8f0bfc4553848e725e985961ff2081b843e93c47687c2c288a0867340a050
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 0b0a57248982df86c45f81a3d74bfd8a47ba61ec084aa2ee2a7dd3bd19283faa
[INFO] running `Command { std: "docker" "start" "-a" "0b0a57248982df86c45f81a3d74bfd8a47ba61ec084aa2ee2a7dd3bd19283faa", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-serde-yaml-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "0b0a57248982df86c45f81a3d74bfd8a47ba61ec084aa2ee2a7dd3bd19283faa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b0a57248982df86c45f81a3d74bfd8a47ba61ec084aa2ee2a7dd3bd19283faa", kill_on_drop: false }`
[INFO] [stdout] 0b0a57248982df86c45f81a3d74bfd8a47ba61ec084aa2ee2a7dd3bd19283faa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 583c0fe7c6675e7f254e051f9c1c2eceeaca89d910cac5dae031bc4c0a6f0b00
[INFO] running `Command { std: "docker" "start" "-a" "583c0fe7c6675e7f254e051f9c1c2eceeaca89d910cac5dae031bc4c0a6f0b00", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_serde_yaml_playground-4c095b06e14ac316)
[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" "583c0fe7c6675e7f254e051f9c1c2eceeaca89d910cac5dae031bc4c0a6f0b00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "583c0fe7c6675e7f254e051f9c1c2eceeaca89d910cac5dae031bc4c0a6f0b00", kill_on_drop: false }`
[INFO] [stdout] 583c0fe7c6675e7f254e051f9c1c2eceeaca89d910cac5dae031bc4c0a6f0b00