[INFO] updating cached repository https://github.com/unsignedbytebite/chord-composer-interface
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 48c2c032247ce5a9cbfe6038fa4af47ea98a66a6
[INFO] checking unsignedbytebite/chord-composer-interface against try#3ae4c050387df9f7fbb379ee90ce8bf05e566870 for pr-70872
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funsignedbytebite%2Fchord-composer-interface" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/unsignedbytebite/chord-composer-interface on toolchain 3ae4c050387df9f7fbb379ee90ce8bf05e566870
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/unsignedbytebite/chord-composer-interface
[INFO] finished tweaking git repo https://github.com/unsignedbytebite/chord-composer-interface
[INFO] tweaked toml for git repo https://github.com/unsignedbytebite/chord-composer-interface written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/unsignedbytebite/chord-composer-interface already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "/opt/rustwide/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 73f2daeff2fe21734b21c4114df4e4a4496d020152d998a18ec7a03795a7a814
[INFO] running `"docker" "start" "-a" "73f2daeff2fe21734b21c4114df4e4a4496d020152d998a18ec7a03795a7a814"`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking music-timer v0.1.6
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking ghakuf v0.5.4
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking backtrace-sys v0.1.34
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking alsa-sys v0.1.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking backtrace v0.3.45
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking minimp3 v0.3.5
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking stopwatch v0.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking cpal v0.10.0
[INFO] [stderr]     Checking rodio v0.10.0
[INFO] [stderr]     Checking chord-composer v0.3.0
[INFO] [stderr]     Checking chord-composer-interface v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `"docker" "inspect" "73f2daeff2fe21734b21c4114df4e4a4496d020152d998a18ec7a03795a7a814"`
[INFO] running `"docker" "rm" "-f" "73f2daeff2fe21734b21c4114df4e4a4496d020152d998a18ec7a03795a7a814"`
[INFO] [stdout] 73f2daeff2fe21734b21c4114df4e4a4496d020152d998a18ec7a03795a7a814