Dec 04 13:12:19.249 INFO checking niclim/rust-server against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 13:12:19.249 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 04 13:12:19.630 INFO [stdout] 1f31175481d33a139d87c803dd5f754781f5d2202d9467e837158b7c02b57ab0
Dec 04 13:12:19.633 INFO running `"docker" "start" "-a" "1f31175481d33a139d87c803dd5f754781f5d2202d9467e837158b7c02b57ab0"`
Dec 04 13:12:20.981 INFO [stderr] usermod: no changes
Dec 04 13:12:21.012 INFO [stderr]     Checking ws v0.1.0 (/source)
Dec 04 13:12:21.375 INFO [stderr] warning: field is never used: `workers`
Dec 04 13:12:21.375 INFO [stderr]  --> src/lib.rs:7:5
Dec 04 13:12:21.375 INFO [stderr]   |
Dec 04 13:12:21.375 INFO [stderr] 7 |     workers: Vec<Worker>,
Dec 04 13:12:21.375 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 04 13:12:21.375 INFO [stderr]   |
Dec 04 13:12:21.375 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 13:12:21.375 INFO [stderr] 
Dec 04 13:12:21.375 INFO [stderr] warning: field is never used: `id`
Dec 04 13:12:21.375 INFO [stderr]   --> src/lib.rs:63:5
Dec 04 13:12:21.375 INFO [stderr]    |
Dec 04 13:12:21.375 INFO [stderr] 63 |     id: usize,
Dec 04 13:12:21.375 INFO [stderr]    |     ^^^^^^^^^
Dec 04 13:12:21.375 INFO [stderr] 
Dec 04 13:12:21.375 INFO [stderr] warning: field is never used: `thread`
Dec 04 13:12:21.375 INFO [stderr]   --> src/lib.rs:64:5
Dec 04 13:12:21.375 INFO [stderr]    |
Dec 04 13:12:21.375 INFO [stderr] 64 |     thread: thread::JoinHandle<()>,
Dec 04 13:12:21.375 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:12:21.375 INFO [stderr] 
Dec 04 13:12:21.532 INFO [stderr] warning: field is never used: `workers`
Dec 04 13:12:21.532 INFO [stderr]  --> src/lib.rs:7:5
Dec 04 13:12:21.533 INFO [stderr]   |
Dec 04 13:12:21.533 INFO [stderr] 7 |     workers: Vec<Worker>,
Dec 04 13:12:21.535 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 04 13:12:21.535 INFO [stderr]   |
Dec 04 13:12:21.535 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 13:12:21.535 INFO [stderr] 
Dec 04 13:12:21.535 INFO [stderr] warning: field is never used: `id`
Dec 04 13:12:21.535 INFO [stderr]   --> src/lib.rs:63:5
Dec 04 13:12:21.535 INFO [stderr]    |
Dec 04 13:12:21.535 INFO [stderr] 63 |     id: usize,
Dec 04 13:12:21.535 INFO [stderr]    |     ^^^^^^^^^
Dec 04 13:12:21.535 INFO [stderr] 
Dec 04 13:12:21.535 INFO [stderr] warning: field is never used: `thread`
Dec 04 13:12:21.535 INFO [stderr]   --> src/lib.rs:64:5
Dec 04 13:12:21.535 INFO [stderr]    |
Dec 04 13:12:21.535 INFO [stderr] 64 |     thread: thread::JoinHandle<()>,
Dec 04 13:12:21.535 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:12:21.535 INFO [stderr] 
Dec 04 13:12:22.063 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
Dec 04 13:12:22.063 INFO [stderr] su: No module specific data is present
Dec 04 13:12:22.756 INFO running `"docker" "inspect" "1f31175481d33a139d87c803dd5f754781f5d2202d9467e837158b7c02b57ab0"`
Dec 04 13:12:23.021 INFO running `"docker" "rm" "-f" "1f31175481d33a139d87c803dd5f754781f5d2202d9467e837158b7c02b57ab0"`
Dec 04 13:12:23.219 INFO [stdout] 1f31175481d33a139d87c803dd5f754781f5d2202d9467e837158b7c02b57ab0