[INFO] cloning repository https://github.com/zwhitchcox/leetcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zwhitchcox/leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzwhitchcox%2Fleetcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzwhitchcox%2Fleetcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 708aaad22aba49a6bb91060809b38c8197986d41
[INFO] testing zwhitchcox/leetcode against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzwhitchcox%2Fleetcode" "/workspace/builds/worker-60/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-60/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zwhitchcox/leetcode 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/zwhitchcox/leetcode
[INFO] finished tweaking git repo https://github.com/zwhitchcox/leetcode
[INFO] tweaked toml for git repo https://github.com/zwhitchcox/leetcode written to /workspace/builds/worker-60/source/Cargo.toml
[INFO] crate git repo https://github.com/zwhitchcox/leetcode 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-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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] ebdd54bba237b4167630dd447fbdefe36ae1ecd55d9c25416f4785281c544f36
[INFO] running `Command { std: "docker" "start" "-a" "ebdd54bba237b4167630dd447fbdefe36ae1ecd55d9c25416f4785281c544f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebdd54bba237b4167630dd447fbdefe36ae1ecd55d9c25416f4785281c544f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebdd54bba237b4167630dd447fbdefe36ae1ecd55d9c25416f4785281c544f36", kill_on_drop: false }`
[INFO] [stdout] ebdd54bba237b4167630dd447fbdefe36ae1ecd55d9c25416f4785281c544f36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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] fc27417636a511ccebeae4afb4a1a51b2dfd413128f19456451b0868b7d92106
[INFO] running `Command { std: "docker" "start" "-a" "fc27417636a511ccebeae4afb4a1a51b2dfd413128f19456451b0868b7d92106", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.56s
[INFO] running `Command { std: "docker" "inspect" "fc27417636a511ccebeae4afb4a1a51b2dfd413128f19456451b0868b7d92106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc27417636a511ccebeae4afb4a1a51b2dfd413128f19456451b0868b7d92106", kill_on_drop: false }`
[INFO] [stdout] fc27417636a511ccebeae4afb4a1a51b2dfd413128f19456451b0868b7d92106
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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] eeff682f9f8f276a5019c904d7d90c84268a4c7a969f0eeed60f4dd0a9f9a7f2
[INFO] running `Command { std: "docker" "start" "-a" "eeff682f9f8f276a5019c904d7d90c84268a4c7a969f0eeed60f4dd0a9f9a7f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "eeff682f9f8f276a5019c904d7d90c84268a4c7a969f0eeed60f4dd0a9f9a7f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeff682f9f8f276a5019c904d7d90c84268a4c7a969f0eeed60f4dd0a9f9a7f2", kill_on_drop: false }`
[INFO] [stdout] eeff682f9f8f276a5019c904d7d90c84268a4c7a969f0eeed60f4dd0a9f9a7f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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] 388c9c7e4fca4c72d74f084f13034ed551440b3fa73f0a911ecd473d3530c464
[INFO] running `Command { std: "docker" "start" "-a" "388c9c7e4fca4c72d74f084f13034ed551440b3fa73f0a911ecd473d3530c464", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/leetcode-2f2bc07b57188f35)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::basics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "388c9c7e4fca4c72d74f084f13034ed551440b3fa73f0a911ecd473d3530c464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "388c9c7e4fca4c72d74f084f13034ed551440b3fa73f0a911ecd473d3530c464", kill_on_drop: false }`
[INFO] [stdout] 388c9c7e4fca4c72d74f084f13034ed551440b3fa73f0a911ecd473d3530c464