[INFO] cloning repository https://github.com/goodwillcoding/rust-exercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/goodwillcoding/rust-exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoodwillcoding%2Frust-exercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoodwillcoding%2Frust-exercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 202233db71f749b11d215b21682268c414167758
[INFO] testing goodwillcoding/rust-exercises against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoodwillcoding%2Frust-exercises" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/goodwillcoding/rust-exercises on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-15/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/goodwillcoding/rust-exercises
[INFO] finished tweaking git repo https://github.com/goodwillcoding/rust-exercises
[INFO] tweaked toml for git repo https://github.com/goodwillcoding/rust-exercises written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/goodwillcoding/rust-exercises already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 378308634dfe3e189a5374c547f001525847d28154bcb56a3a66cf9ceb43092d
[INFO] running `Command { std: "docker" "start" "-a" "378308634dfe3e189a5374c547f001525847d28154bcb56a3a66cf9ceb43092d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "378308634dfe3e189a5374c547f001525847d28154bcb56a3a66cf9ceb43092d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "378308634dfe3e189a5374c547f001525847d28154bcb56a3a66cf9ceb43092d", kill_on_drop: false }`
[INFO] [stdout] 378308634dfe3e189a5374c547f001525847d28154bcb56a3a66cf9ceb43092d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b98e1d8cb7fbbaa08a16b9b957d0fc67c514bf40ddd96cf142c56a6ab56edcc
[INFO] running `Command { std: "docker" "start" "-a" "1b98e1d8cb7fbbaa08a16b9b957d0fc67c514bf40ddd96cf142c56a6ab56edcc", kill_on_drop: false }`
[INFO] [stderr]    Compiling exercises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "1b98e1d8cb7fbbaa08a16b9b957d0fc67c514bf40ddd96cf142c56a6ab56edcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b98e1d8cb7fbbaa08a16b9b957d0fc67c514bf40ddd96cf142c56a6ab56edcc", kill_on_drop: false }`
[INFO] [stdout] 1b98e1d8cb7fbbaa08a16b9b957d0fc67c514bf40ddd96cf142c56a6ab56edcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2207437800eb02e11bf5676370ad38a21c4c1ebc78bf6e908948966d003b56e6
[INFO] running `Command { std: "docker" "start" "-a" "2207437800eb02e11bf5676370ad38a21c4c1ebc78bf6e908948966d003b56e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling exercises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "2207437800eb02e11bf5676370ad38a21c4c1ebc78bf6e908948966d003b56e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2207437800eb02e11bf5676370ad38a21c4c1ebc78bf6e908948966d003b56e6", kill_on_drop: false }`
[INFO] [stdout] 2207437800eb02e11bf5676370ad38a21c4c1ebc78bf6e908948966d003b56e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9daebf0a73deb07d4ee01afdd6b9cd08432db9c8b7e96b5b763d6e748139501b
[INFO] running `Command { std: "docker" "start" "-a" "9daebf0a73deb07d4ee01afdd6b9cd08432db9c8b7e96b5b763d6e748139501b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/exercises-928e948056fa90b8)
[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" "9daebf0a73deb07d4ee01afdd6b9cd08432db9c8b7e96b5b763d6e748139501b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9daebf0a73deb07d4ee01afdd6b9cd08432db9c8b7e96b5b763d6e748139501b", kill_on_drop: false }`
[INFO] [stdout] 9daebf0a73deb07d4ee01afdd6b9cd08432db9c8b7e96b5b763d6e748139501b