Nov 29 21:22:09.455 INFO checking niclim/rust-server against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 21:22:09.455 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-1/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +a49316ddc99d9d595193557fc899f6c52e4d9af9-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 29 21:22:09.928 INFO [stdout] 15920a015f5ae3be6abc11593468930d27a46d6ecd8c655f1b7ebb2753456bd2
Nov 29 21:22:09.934 INFO running `"docker" "start" "-a" "15920a015f5ae3be6abc11593468930d27a46d6ecd8c655f1b7ebb2753456bd2"`
Nov 29 21:22:11.820 INFO [stderr] usermod: no changes
Nov 29 21:22:11.896 INFO [stderr]     Checking ws v0.1.0 (/source)
Nov 29 21:22:12.440 INFO [stderr] warning: field is never used: `workers`
Nov 29 21:22:12.440 INFO [stderr]  --> src/lib.rs:7:5
Nov 29 21:22:12.440 INFO [stderr]   |
Nov 29 21:22:12.440 INFO [stderr] 7 |     workers: Vec<Worker>,
Nov 29 21:22:12.441 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Nov 29 21:22:12.456 INFO [stderr]   |
Nov 29 21:22:12.456 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 29 21:22:12.456 INFO [stderr] 
Nov 29 21:22:12.456 INFO [stderr] warning: field is never used: `id`
Nov 29 21:22:12.456 INFO [stderr]   --> src/lib.rs:63:5
Nov 29 21:22:12.456 INFO [stderr]    |
Nov 29 21:22:12.456 INFO [stderr] 63 |     id: usize,
Nov 29 21:22:12.456 INFO [stderr]    |     ^^^^^^^^^
Nov 29 21:22:12.456 INFO [stderr] 
Nov 29 21:22:12.456 INFO [stderr] warning: field is never used: `thread`
Nov 29 21:22:12.456 INFO [stderr]   --> src/lib.rs:64:5
Nov 29 21:22:12.456 INFO [stderr]    |
Nov 29 21:22:12.456 INFO [stderr] 64 |     thread: thread::JoinHandle<()>,
Nov 29 21:22:12.456 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:22:12.456 INFO [stderr] 
Nov 29 21:22:12.484 INFO [stderr] warning: field is never used: `workers`
Nov 29 21:22:12.484 INFO [stderr]  --> src/lib.rs:7:5
Nov 29 21:22:12.484 INFO [stderr]   |
Nov 29 21:22:12.484 INFO [stderr] 7 |     workers: Vec<Worker>,
Nov 29 21:22:12.484 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Nov 29 21:22:12.484 INFO [stderr]   |
Nov 29 21:22:12.484 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 29 21:22:12.484 INFO [stderr] 
Nov 29 21:22:12.487 INFO [stderr] warning: field is never used: `id`
Nov 29 21:22:12.487 INFO [stderr]   --> src/lib.rs:63:5
Nov 29 21:22:12.487 INFO [stderr]    |
Nov 29 21:22:12.487 INFO [stderr] 63 |     id: usize,
Nov 29 21:22:12.487 INFO [stderr]    |     ^^^^^^^^^
Nov 29 21:22:12.488 INFO [stderr] 
Nov 29 21:22:12.488 INFO [stderr] warning: field is never used: `thread`
Nov 29 21:22:12.488 INFO [stderr]   --> src/lib.rs:64:5
Nov 29 21:22:12.488 INFO [stderr]    |
Nov 29 21:22:12.488 INFO [stderr] 64 |     thread: thread::JoinHandle<()>,
Nov 29 21:22:12.488 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:22:12.492 INFO [stderr] 
Nov 29 21:22:13.013 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
Nov 29 21:22:13.015 INFO [stderr] su: No module specific data is present
Nov 29 21:22:13.538 INFO running `"docker" "inspect" "15920a015f5ae3be6abc11593468930d27a46d6ecd8c655f1b7ebb2753456bd2"`
Nov 29 21:22:13.930 INFO running `"docker" "rm" "-f" "15920a015f5ae3be6abc11593468930d27a46d6ecd8c655f1b7ebb2753456bd2"`
Nov 29 21:22:14.408 INFO [stdout] 15920a015f5ae3be6abc11593468930d27a46d6ecd8c655f1b7ebb2753456bd2