[INFO] updating cached repository https://github.com/bemeurer/musync
[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] d0117b86dc87c37ad742ba5e051ab5ca7bb141f9
[INFO] checking bemeurer/musync against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbemeurer%2Fmusync" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bemeurer/musync on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/bemeurer/musync
[INFO] finished tweaking git repo https://github.com/bemeurer/musync
[INFO] tweaked toml for git repo https://github.com/bemeurer/musync written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/bemeurer/musync already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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] f0ce5feec8082fec9d6489973308977250a59c6f6f8c816689c318e8805bb09b
[INFO] running `"docker" "start" "-a" "f0ce5feec8082fec9d6489973308977250a59c6f6f8c816689c318e8805bb09b"`
[INFO] [stderr]    Compiling magic-sys v0.2.0
[INFO] [stderr]    Compiling simplemad_sys v0.5.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking pretty_toa v1.0.0
[INFO] [stderr]     Checking serde v1.0.102
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking magic v0.12.2
[INFO] [stderr]     Checking simplemad v0.9.0
[INFO] [stderr]     Checking serde_bytes v0.11.2
[INFO] [stderr]     Checking bincode v1.2.0
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking sled v0.29.2
[INFO] [stderr]     Checking musync v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `wav_hash`
[INFO] [stderr]    --> src/checksum.rs:317:4
[INFO] [stderr]     |
[INFO] [stderr] 317 | fn wav_hash(file_path: &PathBuf) -> Result {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `wav_hash`
[INFO] [stderr]    --> src/checksum.rs:317:4
[INFO] [stderr]     |
[INFO] [stderr] 317 | fn wav_hash(file_path: &PathBuf) -> Result {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.51s
[INFO] running `"docker" "inspect" "f0ce5feec8082fec9d6489973308977250a59c6f6f8c816689c318e8805bb09b"`
[INFO] running `"docker" "rm" "-f" "f0ce5feec8082fec9d6489973308977250a59c6f6f8c816689c318e8805bb09b"`
[INFO] [stdout] f0ce5feec8082fec9d6489973308977250a59c6f6f8c816689c318e8805bb09b