[INFO] updating cached repository https://github.com/reposefulGrass/part-database
[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] 9657b574043c3b2c3b12c8d107122b13d2556eac
[INFO] checking reposefulGrass/part-database against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FreposefulGrass%2Fpart-database" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  81% (204/249)   
Checking out files:  82% (205/249)   
Checking out files:  83% (207/249)   
Checking out files:  84% (210/249)   
Checking out files:  85% (212/249)   
Checking out files:  86% (215/249)   
Checking out files:  87% (217/249)   
Checking out files:  88% (220/249)   
Checking out files:  89% (222/249)   
Checking out files:  90% (225/249)   
Checking out files:  91% (227/249)   
Checking out files:  92% (230/249)   
Checking out files:  93% (232/249)   
Checking out files:  94% (235/249)   
Checking out files:  95% (237/249)   
Checking out files:  96% (240/249)   
Checking out files:  97% (242/249)   
Checking out files:  98% (245/249)   
Checking out files:  99% (247/249)   
Checking out files: 100% (249/249)   
Checking out files: 100% (249/249), done.
[INFO] validating manifest of git repo https://github.com/reposefulGrass/part-database on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/reposefulGrass/part-database
[INFO] finished tweaking git repo https://github.com/reposefulGrass/part-database
[INFO] tweaked toml for git repo https://github.com/reposefulGrass/part-database written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/reposefulGrass/part-database already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 51e7a618eb4a0b11a3dfae650c5851849fa446af713c16eb4632d38e0fee5816
[INFO] running `"docker" "start" "-a" "51e7a618eb4a0b11a3dfae650c5851849fa446af713c16eb4632d38e0fee5816"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking part_database v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/database.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     db.update(123, -50);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `"docker" "inspect" "51e7a618eb4a0b11a3dfae650c5851849fa446af713c16eb4632d38e0fee5816"`
[INFO] running `"docker" "rm" "-f" "51e7a618eb4a0b11a3dfae650c5851849fa446af713c16eb4632d38e0fee5816"`
[INFO] [stdout] 51e7a618eb4a0b11a3dfae650c5851849fa446af713c16eb4632d38e0fee5816