[INFO] cloning repository https://github.com/mdelaney/rust-algorithm-play
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mdelaney/rust-algorithm-play" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdelaney%2Frust-algorithm-play", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdelaney%2Frust-algorithm-play'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 508dcee6b9f844746801aafb8fbc164d6dc1cedd
[INFO] checking mdelaney/rust-algorithm-play against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdelaney%2Frust-algorithm-play" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mdelaney/rust-algorithm-play on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mdelaney/rust-algorithm-play
[INFO] finished tweaking git repo https://github.com/mdelaney/rust-algorithm-play
[INFO] tweaked toml for git repo https://github.com/mdelaney/rust-algorithm-play written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/mdelaney/rust-algorithm-play already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ff8739af9b495aab291671faa65796433e0529faf8de9b297450cd4075d1901
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9ff8739af9b495aab291671faa65796433e0529faf8de9b297450cd4075d1901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ff8739af9b495aab291671faa65796433e0529faf8de9b297450cd4075d1901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ff8739af9b495aab291671faa65796433e0529faf8de9b297450cd4075d1901", kill_on_drop: false }`
[INFO] [stdout] 9ff8739af9b495aab291671faa65796433e0529faf8de9b297450cd4075d1901
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74bc4343cfef397efbd641366fc5978a1147153823bf9de6c856bb86f816e178
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "74bc4343cfef397efbd641366fc5978a1147153823bf9de6c856bb86f816e178", kill_on_drop: false }`
[INFO] [stderr]     Checking algorithm-play v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "74bc4343cfef397efbd641366fc5978a1147153823bf9de6c856bb86f816e178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74bc4343cfef397efbd641366fc5978a1147153823bf9de6c856bb86f816e178", kill_on_drop: false }`
[INFO] [stdout] 74bc4343cfef397efbd641366fc5978a1147153823bf9de6c856bb86f816e178