Dec 17 18:45:14.505 INFO checking niclim/rust-server against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 18:45:14.505 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/niclim/rust-server:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 18:45:14.935 INFO [stdout] f8d65e1cac4c00c0822287beef26cf4c0682afbec8b9aa4aa5617551c2d919b7
Dec 17 18:45:14.938 INFO running `"docker" "start" "-a" "f8d65e1cac4c00c0822287beef26cf4c0682afbec8b9aa4aa5617551c2d919b7"`
Dec 17 18:45:16.588 INFO [stderr]     Checking ws v0.1.0 (/opt/crater/workdir)
Dec 17 18:45:16.764 INFO [stderr] warning: field is never used: `workers`
Dec 17 18:45:16.764 INFO [stderr]  --> src/lib.rs:7:5
Dec 17 18:45:16.764 INFO [stderr]   |
Dec 17 18:45:16.764 INFO [stderr] 7 |     workers: Vec<Worker>,
Dec 17 18:45:16.764 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 18:45:16.764 INFO [stderr]   |
Dec 17 18:45:16.764 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 18:45:16.764 INFO [stderr] 
Dec 17 18:45:16.764 INFO [stderr] warning: field is never used: `id`
Dec 17 18:45:16.764 INFO [stderr]   --> src/lib.rs:63:5
Dec 17 18:45:16.764 INFO [stderr]    |
Dec 17 18:45:16.764 INFO [stderr] 63 |     id: usize,
Dec 17 18:45:16.764 INFO [stderr]    |     ^^^^^^^^^
Dec 17 18:45:16.764 INFO [stderr] 
Dec 17 18:45:16.764 INFO [stderr] warning: field is never used: `thread`
Dec 17 18:45:16.764 INFO [stderr]   --> src/lib.rs:64:5
Dec 17 18:45:16.764 INFO [stderr]    |
Dec 17 18:45:16.764 INFO [stderr] 64 |     thread: thread::JoinHandle<()>,
Dec 17 18:45:16.764 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:45:16.764 INFO [stderr] 
Dec 17 18:45:17.180 INFO [stderr] warning: field is never used: `workers`
Dec 17 18:45:17.180 INFO [stderr]  --> src/lib.rs:7:5
Dec 17 18:45:17.180 INFO [stderr]   |
Dec 17 18:45:17.180 INFO [stderr] 7 |     workers: Vec<Worker>,
Dec 17 18:45:17.180 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 18:45:17.180 INFO [stderr]   |
Dec 17 18:45:17.180 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 18:45:17.180 INFO [stderr] 
Dec 17 18:45:17.180 INFO [stderr] warning: field is never used: `id`
Dec 17 18:45:17.180 INFO [stderr]   --> src/lib.rs:63:5
Dec 17 18:45:17.180 INFO [stderr]    |
Dec 17 18:45:17.180 INFO [stderr] 63 |     id: usize,
Dec 17 18:45:17.180 INFO [stderr]    |     ^^^^^^^^^
Dec 17 18:45:17.180 INFO [stderr] 
Dec 17 18:45:17.180 INFO [stderr] warning: field is never used: `thread`
Dec 17 18:45:17.180 INFO [stderr]   --> src/lib.rs:64:5
Dec 17 18:45:17.180 INFO [stderr]    |
Dec 17 18:45:17.180 INFO [stderr] 64 |     thread: thread::JoinHandle<()>,
Dec 17 18:45:17.180 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:45:17.180 INFO [stderr] 
Dec 17 18:45:17.348 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
Dec 17 18:45:18.485 INFO running `"docker" "inspect" "f8d65e1cac4c00c0822287beef26cf4c0682afbec8b9aa4aa5617551c2d919b7"`
Dec 17 18:45:18.916 INFO running `"docker" "rm" "-f" "f8d65e1cac4c00c0822287beef26cf4c0682afbec8b9aa4aa5617551c2d919b7"`
Dec 17 18:45:19.327 INFO [stdout] f8d65e1cac4c00c0822287beef26cf4c0682afbec8b9aa4aa5617551c2d919b7