[INFO] cloning repository https://github.com/camccar/dailycodingproblem37
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/camccar/dailycodingproblem37" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamccar%2Fdailycodingproblem37", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamccar%2Fdailycodingproblem37'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f08560a99843804794d0ab0060baae81063e4361
[INFO] checking camccar/dailycodingproblem37 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamccar%2Fdailycodingproblem37" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/camccar/dailycodingproblem37 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/camccar/dailycodingproblem37
[INFO] finished tweaking git repo https://github.com/camccar/dailycodingproblem37
[INFO] tweaked toml for git repo https://github.com/camccar/dailycodingproblem37 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/camccar/dailycodingproblem37 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1df78f027738ab7f36f93189cbfc2714a4462ebb931a7d9f5255e3ca1d75b881
[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" "1df78f027738ab7f36f93189cbfc2714a4462ebb931a7d9f5255e3ca1d75b881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1df78f027738ab7f36f93189cbfc2714a4462ebb931a7d9f5255e3ca1d75b881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1df78f027738ab7f36f93189cbfc2714a4462ebb931a7d9f5255e3ca1d75b881", kill_on_drop: false }`
[INFO] [stdout] 1df78f027738ab7f36f93189cbfc2714a4462ebb931a7d9f5255e3ca1d75b881
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66487875da74bf538a7d2e2472f8282baf2a7cc9e6eae67d78cb5bd1ca6f4b14
[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" "66487875da74bf538a7d2e2472f8282baf2a7cc9e6eae67d78cb5bd1ca6f4b14", kill_on_drop: false }`
[INFO] [stderr]     Checking dcp37 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "66487875da74bf538a7d2e2472f8282baf2a7cc9e6eae67d78cb5bd1ca6f4b14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66487875da74bf538a7d2e2472f8282baf2a7cc9e6eae67d78cb5bd1ca6f4b14", kill_on_drop: false }`
[INFO] [stdout] 66487875da74bf538a7d2e2472f8282baf2a7cc9e6eae67d78cb5bd1ca6f4b14