[INFO] updating cached repository https://github.com/Vurich/basic-midi-sequencer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d006dbaaf9484dd59cbd8e8ec09711e0f93d8fea
[INFO] checking Vurich/basic-midi-sequencer against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVurich%2Fbasic-midi-sequencer" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Vurich/basic-midi-sequencer on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Vurich/basic-midi-sequencer
[INFO] finished tweaking git repo https://github.com/Vurich/basic-midi-sequencer
[INFO] tweaked toml for git repo https://github.com/Vurich/basic-midi-sequencer written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Vurich/basic-midi-sequencer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b840e526c1f1100bc5c2b1fd00d6972076aa92814835cb5f5d3e4a199467921f
[INFO] running `Command { std: "docker" "start" "-a" "b840e526c1f1100bc5c2b1fd00d6972076aa92814835cb5f5d3e4a199467921f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b840e526c1f1100bc5c2b1fd00d6972076aa92814835cb5f5d3e4a199467921f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b840e526c1f1100bc5c2b1fd00d6972076aa92814835cb5f5d3e4a199467921f", kill_on_drop: false }`
[INFO] [stdout] b840e526c1f1100bc5c2b1fd00d6972076aa92814835cb5f5d3e4a199467921f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b62b4194aceee4f5a6bcac6a2ac5c208e6b26eb77f64768794a9733745bbaad9
[INFO] running `Command { std: "docker" "start" "-a" "b62b4194aceee4f5a6bcac6a2ac5c208e6b26eb77f64768794a9733745bbaad9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking arraytools v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking ghakuf v0.5.5
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking ron v0.6.0
[INFO] [stderr]     Checking elektron-sequencer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.06s
[INFO] running `Command { std: "docker" "inspect" "b62b4194aceee4f5a6bcac6a2ac5c208e6b26eb77f64768794a9733745bbaad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b62b4194aceee4f5a6bcac6a2ac5c208e6b26eb77f64768794a9733745bbaad9", kill_on_drop: false }`
[INFO] [stdout] b62b4194aceee4f5a6bcac6a2ac5c208e6b26eb77f64768794a9733745bbaad9