[INFO] cloning repository https://github.com/Sam44323/rust-demo-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sam44323/rust-demo-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSam44323%2Frust-demo-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSam44323%2Frust-demo-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 82beace579787a67a8deae3622c86223cd36a8f8
[INFO] testing Sam44323/rust-demo-playground against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSam44323%2Frust-demo-playground" "/workspace/builds/worker-36/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-36/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sam44323/rust-demo-playground on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Sam44323/rust-demo-playground
[INFO] finished tweaking git repo https://github.com/Sam44323/rust-demo-playground
[INFO] tweaked toml for git repo https://github.com/Sam44323/rust-demo-playground written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] crate git repo https://github.com/Sam44323/rust-demo-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8925304d92db0c4cf7bd1bcc3a2cb1decc21ad34afae789cee06d16db1e7e470
[INFO] running `Command { std: "docker" "start" "-a" "8925304d92db0c4cf7bd1bcc3a2cb1decc21ad34afae789cee06d16db1e7e470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8925304d92db0c4cf7bd1bcc3a2cb1decc21ad34afae789cee06d16db1e7e470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8925304d92db0c4cf7bd1bcc3a2cb1decc21ad34afae789cee06d16db1e7e470", kill_on_drop: false }`
[INFO] [stdout] 8925304d92db0c4cf7bd1bcc3a2cb1decc21ad34afae789cee06d16db1e7e470
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0a1859f56ace3849862c23a64a99e808e176edffc8fa115ae7218267dceb088
[INFO] running `Command { std: "docker" "start" "-a" "d0a1859f56ace3849862c23a64a99e808e176edffc8fa115ae7218267dceb088", kill_on_drop: false }`
[INFO] [stderr]    Compiling play_ground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "d0a1859f56ace3849862c23a64a99e808e176edffc8fa115ae7218267dceb088", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0a1859f56ace3849862c23a64a99e808e176edffc8fa115ae7218267dceb088", kill_on_drop: false }`
[INFO] [stdout] d0a1859f56ace3849862c23a64a99e808e176edffc8fa115ae7218267dceb088
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a9e8eedc2f57c6ae061b22f0e557ad493ea9c9272387347ed2b400a05c60e9d
[INFO] running `Command { std: "docker" "start" "-a" "3a9e8eedc2f57c6ae061b22f0e557ad493ea9c9272387347ed2b400a05c60e9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling play_ground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "3a9e8eedc2f57c6ae061b22f0e557ad493ea9c9272387347ed2b400a05c60e9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a9e8eedc2f57c6ae061b22f0e557ad493ea9c9272387347ed2b400a05c60e9d", kill_on_drop: false }`
[INFO] [stdout] 3a9e8eedc2f57c6ae061b22f0e557ad493ea9c9272387347ed2b400a05c60e9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 99f6c28b2973a8a01c2c8152e4a573acb7669859caffcb080f2cbec4882d38dd
[INFO] running `Command { std: "docker" "start" "-a" "99f6c28b2973a8a01c2c8152e4a573acb7669859caffcb080f2cbec4882d38dd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/play_ground-d53e15fd905e6cb0)
[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" "99f6c28b2973a8a01c2c8152e4a573acb7669859caffcb080f2cbec4882d38dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99f6c28b2973a8a01c2c8152e4a573acb7669859caffcb080f2cbec4882d38dd", kill_on_drop: false }`
[INFO] [stdout] 99f6c28b2973a8a01c2c8152e4a573acb7669859caffcb080f2cbec4882d38dd