Dec 19 19:15:14.869 INFO checking ccutch/hairball against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 19:15:14.869 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 19:15:15.291 INFO [stdout] d84b6a0fa9359f171f9832256a951bcb6547f89523b9fb08e5d71dc73b3d368d
Dec 19 19:15:15.296 INFO running `"docker" "start" "-a" "d84b6a0fa9359f171f9832256a951bcb6547f89523b9fb08e5d71dc73b3d368d"`
Dec 19 19:15:17.052 INFO [stderr]     Checking rpassword v2.0.0
Dec 19 19:15:17.358 INFO [stderr]     Checking hairball v0.1.1 (/opt/crater/workdir)
Dec 19 19:15:17.813 INFO [stderr] warning: field is never used: `user`
Dec 19 19:15:17.813 INFO [stderr]   --> src/main.rs:92:5
Dec 19 19:15:17.813 INFO [stderr]    |
Dec 19 19:15:17.813 INFO [stderr] 92 |     user: User,
Dec 19 19:15:17.813 INFO [stderr]    |     ^^^^^^^^^^
Dec 19 19:15:17.813 INFO [stderr]    |
Dec 19 19:15:17.813 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 19:15:17.813 INFO [stderr] 
Dec 19 19:15:17.813 INFO [stderr] warning: field is never used: `config`
Dec 19 19:15:17.813 INFO [stderr]   --> src/main.rs:93:5
Dec 19 19:15:17.813 INFO [stderr]    |
Dec 19 19:15:17.813 INFO [stderr] 93 |     config: Config,
Dec 19 19:15:17.813 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 19 19:15:17.813 INFO [stderr] 
Dec 19 19:15:17.813 INFO [stderr] warning: field is never used: `messages`
Dec 19 19:15:17.813 INFO [stderr]   --> src/main.rs:94:5
Dec 19 19:15:17.813 INFO [stderr]    |
Dec 19 19:15:17.813 INFO [stderr] 94 |     messages: Vec<Message>,
Dec 19 19:15:17.813 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:15:17.813 INFO [stderr] 
Dec 19 19:15:18.010 INFO [stderr] warning: field is never used: `user`
Dec 19 19:15:18.010 INFO [stderr]   --> src/main.rs:92:5
Dec 19 19:15:18.010 INFO [stderr]    |
Dec 19 19:15:18.010 INFO [stderr] 92 |     user: User,
Dec 19 19:15:18.010 INFO [stderr]    |     ^^^^^^^^^^
Dec 19 19:15:18.010 INFO [stderr]    |
Dec 19 19:15:18.010 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 19:15:18.010 INFO [stderr] 
Dec 19 19:15:18.010 INFO [stderr] warning: field is never used: `config`
Dec 19 19:15:18.010 INFO [stderr]   --> src/main.rs:93:5
Dec 19 19:15:18.010 INFO [stderr]    |
Dec 19 19:15:18.010 INFO [stderr] 93 |     config: Config,
Dec 19 19:15:18.010 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 19 19:15:18.010 INFO [stderr] 
Dec 19 19:15:18.010 INFO [stderr] warning: field is never used: `messages`
Dec 19 19:15:18.010 INFO [stderr]   --> src/main.rs:94:5
Dec 19 19:15:18.010 INFO [stderr]    |
Dec 19 19:15:18.010 INFO [stderr] 94 |     messages: Vec<Message>,
Dec 19 19:15:18.010 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:15:18.010 INFO [stderr] 
Dec 19 19:15:18.038 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
Dec 19 19:15:18.734 INFO running `"docker" "inspect" "d84b6a0fa9359f171f9832256a951bcb6547f89523b9fb08e5d71dc73b3d368d"`
Dec 19 19:15:18.982 INFO running `"docker" "rm" "-f" "d84b6a0fa9359f171f9832256a951bcb6547f89523b9fb08e5d71dc73b3d368d"`
Dec 19 19:15:19.264 INFO [stdout] d84b6a0fa9359f171f9832256a951bcb6547f89523b9fb08e5d71dc73b3d368d