Dec 18 02:39:55.016 INFO checking ccutch/hairball against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 02:39:55.016 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/ccutch/hairball:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 02:39:55.440 INFO [stdout] f1c166ad007dcab85bc35f1a73a31ff2148c81e69350a0578b2211e853bf7645
Dec 18 02:39:55.448 INFO running `"docker" "start" "-a" "f1c166ad007dcab85bc35f1a73a31ff2148c81e69350a0578b2211e853bf7645"`
Dec 18 02:39:57.113 INFO [stderr]     Checking hairball v0.1.1 (/opt/crater/workdir)
Dec 18 02:39:57.576 INFO [stderr] warning: field is never used: `user`
Dec 18 02:39:57.576 INFO [stderr]   --> src/main.rs:92:5
Dec 18 02:39:57.576 INFO [stderr]    |
Dec 18 02:39:57.576 INFO [stderr] 92 |     user: User,
Dec 18 02:39:57.576 INFO [stderr]    |     ^^^^^^^^^^
Dec 18 02:39:57.576 INFO [stderr]    |
Dec 18 02:39:57.576 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 02:39:57.576 INFO [stderr] 
Dec 18 02:39:57.576 INFO [stderr] warning: field is never used: `config`
Dec 18 02:39:57.576 INFO [stderr]   --> src/main.rs:93:5
Dec 18 02:39:57.576 INFO [stderr]    |
Dec 18 02:39:57.576 INFO [stderr] 93 |     config: Config,
Dec 18 02:39:57.576 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 18 02:39:57.576 INFO [stderr] 
Dec 18 02:39:57.576 INFO [stderr] warning: field is never used: `messages`
Dec 18 02:39:57.576 INFO [stderr]   --> src/main.rs:94:5
Dec 18 02:39:57.576 INFO [stderr]    |
Dec 18 02:39:57.576 INFO [stderr] 94 |     messages: Vec<Message>,
Dec 18 02:39:57.576 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 02:39:57.576 INFO [stderr] 
Dec 18 02:39:57.616 INFO [stderr] warning: field is never used: `user`
Dec 18 02:39:57.616 INFO [stderr]   --> src/main.rs:92:5
Dec 18 02:39:57.616 INFO [stderr]    |
Dec 18 02:39:57.616 INFO [stderr] 92 |     user: User,
Dec 18 02:39:57.616 INFO [stderr]    |     ^^^^^^^^^^
Dec 18 02:39:57.616 INFO [stderr]    |
Dec 18 02:39:57.616 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 02:39:57.616 INFO [stderr] 
Dec 18 02:39:57.616 INFO [stderr] warning: field is never used: `config`
Dec 18 02:39:57.616 INFO [stderr]   --> src/main.rs:93:5
Dec 18 02:39:57.616 INFO [stderr]    |
Dec 18 02:39:57.616 INFO [stderr] 93 |     config: Config,
Dec 18 02:39:57.616 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 18 02:39:57.616 INFO [stderr] 
Dec 18 02:39:57.616 INFO [stderr] warning: field is never used: `messages`
Dec 18 02:39:57.616 INFO [stderr]   --> src/main.rs:94:5
Dec 18 02:39:57.616 INFO [stderr]    |
Dec 18 02:39:57.616 INFO [stderr] 94 |     messages: Vec<Message>,
Dec 18 02:39:57.616 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 02:39:57.616 INFO [stderr] 
Dec 18 02:39:57.644 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
Dec 18 02:39:58.342 INFO running `"docker" "inspect" "f1c166ad007dcab85bc35f1a73a31ff2148c81e69350a0578b2211e853bf7645"`
Dec 18 02:39:58.634 INFO running `"docker" "rm" "-f" "f1c166ad007dcab85bc35f1a73a31ff2148c81e69350a0578b2211e853bf7645"`
Dec 18 02:39:58.896 INFO [stdout] f1c166ad007dcab85bc35f1a73a31ff2148c81e69350a0578b2211e853bf7645