[INFO] cloning repository https://github.com/ZRivait/playlister
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ZRivait/playlister" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZRivait%2Fplaylister", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZRivait%2Fplaylister'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 340ea87a0b3d869be383ffdb90c79bd0a1a6aebc
[INFO] testing ZRivait/playlister against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZRivait%2Fplaylister" "/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/ZRivait/playlister 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/ZRivait/playlister
[INFO] finished tweaking git repo https://github.com/ZRivait/playlister
[INFO] tweaked toml for git repo https://github.com/ZRivait/playlister written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ZRivait/playlister 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] [stderr]     Blocking waiting for file lock on package cache
[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] [stdout] 12bd752cb09a7cf0448437080beabfe515e050176f1e6745b1ef984eef2a0813
[INFO] running `Command { std: "docker" "start" "-a" "12bd752cb09a7cf0448437080beabfe515e050176f1e6745b1ef984eef2a0813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12bd752cb09a7cf0448437080beabfe515e050176f1e6745b1ef984eef2a0813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12bd752cb09a7cf0448437080beabfe515e050176f1e6745b1ef984eef2a0813", kill_on_drop: false }`
[INFO] [stdout] 12bd752cb09a7cf0448437080beabfe515e050176f1e6745b1ef984eef2a0813
[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] 0dc2b597d3103018898c090254adedc01e468cfb938ac71e4b4e13efea83d523
[INFO] running `Command { std: "docker" "start" "-a" "0dc2b597d3103018898c090254adedc01e468cfb938ac71e4b4e13efea83d523", kill_on_drop: false }`
[INFO] [stderr]    Compiling metaflac v0.2.4
[INFO] [stderr]    Compiling playlister v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `Command { std: "docker" "inspect" "0dc2b597d3103018898c090254adedc01e468cfb938ac71e4b4e13efea83d523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dc2b597d3103018898c090254adedc01e468cfb938ac71e4b4e13efea83d523", kill_on_drop: false }`
[INFO] [stdout] 0dc2b597d3103018898c090254adedc01e468cfb938ac71e4b4e13efea83d523
[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] [stdout] 5eb5aaf21ef0a8c3532d60704d4c60dcc59f647d1da2667277914f22c52a72fb
[INFO] running `Command { std: "docker" "start" "-a" "5eb5aaf21ef0a8c3532d60704d4c60dcc59f647d1da2667277914f22c52a72fb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling playlister v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "5eb5aaf21ef0a8c3532d60704d4c60dcc59f647d1da2667277914f22c52a72fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eb5aaf21ef0a8c3532d60704d4c60dcc59f647d1da2667277914f22c52a72fb", kill_on_drop: false }`
[INFO] [stdout] 5eb5aaf21ef0a8c3532d60704d4c60dcc59f647d1da2667277914f22c52a72fb
[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] 8fcf3c86917b43ff74f4c8689befc0320b1e1fc20d2960b93a4e9f4ab8e3f12d
[INFO] running `Command { std: "docker" "start" "-a" "8fcf3c86917b43ff74f4c8689befc0320b1e1fc20d2960b93a4e9f4ab8e3f12d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/playlister-a10946bd69e557e1)
[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" "8fcf3c86917b43ff74f4c8689befc0320b1e1fc20d2960b93a4e9f4ab8e3f12d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fcf3c86917b43ff74f4c8689befc0320b1e1fc20d2960b93a4e9f4ab8e3f12d", kill_on_drop: false }`
[INFO] [stdout] 8fcf3c86917b43ff74f4c8689befc0320b1e1fc20d2960b93a4e9f4ab8e3f12d