[INFO] cloning repository https://github.com/monarrk/monarchy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/monarrk/monarchy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmonarrk%2Fmonarchy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmonarrk%2Fmonarchy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 487109a01e465d809465d1e20ca73ac0b5145bb8
[INFO] checking monarrk/monarchy against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmonarrk%2Fmonarchy" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/monarrk/monarchy on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/monarrk/monarchy
[INFO] finished tweaking git repo https://github.com/monarrk/monarchy
[INFO] tweaked toml for git repo https://github.com/monarrk/monarchy written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/monarrk/monarchy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecc60c964352a7bfb448969434178995b23c83a141e729ca327bc38cca774358
[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" "ecc60c964352a7bfb448969434178995b23c83a141e729ca327bc38cca774358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecc60c964352a7bfb448969434178995b23c83a141e729ca327bc38cca774358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecc60c964352a7bfb448969434178995b23c83a141e729ca327bc38cca774358", kill_on_drop: false }`
[INFO] [stdout] ecc60c964352a7bfb448969434178995b23c83a141e729ca327bc38cca774358
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a14079c36583717dce8037f7475dc38569e2bcd45ec8308ed255e0c929493449
[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" "a14079c36583717dce8037f7475dc38569e2bcd45ec8308ed255e0c929493449", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking vst v0.2.0 (https://github.com/rustaudio/vst-rs#f0b7fd31)
[INFO] [stderr]     Checking zerozerozero v0.1.0 (/opt/rustwide/workdir/zerozerozero)
[INFO] [stdout] error[E0432]: unresolved import `midi_pitch_to_freq`
[INFO] [stdout]    --> zerozerozero/src/lib.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |     use midi_pitch_to_freq;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^ no external crate `midi_pitch_to_freq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zerozerozero`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a14079c36583717dce8037f7475dc38569e2bcd45ec8308ed255e0c929493449", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a14079c36583717dce8037f7475dc38569e2bcd45ec8308ed255e0c929493449", kill_on_drop: false }`
[INFO] [stdout] a14079c36583717dce8037f7475dc38569e2bcd45ec8308ed255e0c929493449