Dec 04 13:12:17.629 INFO checking niclim/rust-server against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 13:12:17.629 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 13:12:18.206 INFO [stdout] cae5f51934f0bb150ffda544a6a44176c88cf229dfdd82d664f36d6a3a1f307c
Dec 04 13:12:18.208 INFO running `"docker" "start" "-a" "cae5f51934f0bb150ffda544a6a44176c88cf229dfdd82d664f36d6a3a1f307c"`
Dec 04 13:12:19.423 INFO [stderr] usermod: no changes
Dec 04 13:12:19.460 INFO [stderr]     Checking ws v0.1.0 (/source)
Dec 04 13:12:19.930 INFO [stderr] warning: field is never used: `workers`
Dec 04 13:12:19.930 INFO [stderr]  --> src/lib.rs:7:5
Dec 04 13:12:19.931 INFO [stderr]   |
Dec 04 13:12:19.931 INFO [stderr] 7 |     workers: Vec<Worker>,
Dec 04 13:12:19.931 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 04 13:12:19.932 INFO [stderr]   |
Dec 04 13:12:19.932 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 13:12:19.932 INFO [stderr] 
Dec 04 13:12:19.932 INFO [stderr] warning: field is never used: `id`
Dec 04 13:12:19.932 INFO [stderr]   --> src/lib.rs:63:5
Dec 04 13:12:19.932 INFO [stderr]    |
Dec 04 13:12:19.932 INFO [stderr] 63 |     id: usize,
Dec 04 13:12:19.933 INFO [stderr]    |     ^^^^^^^^^
Dec 04 13:12:19.933 INFO [stderr] 
Dec 04 13:12:19.939 INFO [stderr] warning: field is never used: `thread`
Dec 04 13:12:19.939 INFO [stderr]   --> src/lib.rs:64:5
Dec 04 13:12:19.939 INFO [stderr]    |
Dec 04 13:12:19.939 INFO [stderr] 64 |     thread: thread::JoinHandle<()>,
Dec 04 13:12:19.939 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:12:19.939 INFO [stderr] 
Dec 04 13:12:20.131 INFO [stderr] warning: field is never used: `workers`
Dec 04 13:12:20.131 INFO [stderr]  --> src/lib.rs:7:5
Dec 04 13:12:20.131 INFO [stderr]   |
Dec 04 13:12:20.131 INFO [stderr] 7 |     workers: Vec<Worker>,
Dec 04 13:12:20.131 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 04 13:12:20.131 INFO [stderr]   |
Dec 04 13:12:20.131 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 13:12:20.131 INFO [stderr] 
Dec 04 13:12:20.131 INFO [stderr] warning: field is never used: `id`
Dec 04 13:12:20.131 INFO [stderr]   --> src/lib.rs:63:5
Dec 04 13:12:20.131 INFO [stderr]    |
Dec 04 13:12:20.131 INFO [stderr] 63 |     id: usize,
Dec 04 13:12:20.131 INFO [stderr]    |     ^^^^^^^^^
Dec 04 13:12:20.131 INFO [stderr] 
Dec 04 13:12:20.131 INFO [stderr] warning: field is never used: `thread`
Dec 04 13:12:20.131 INFO [stderr]   --> src/lib.rs:64:5
Dec 04 13:12:20.131 INFO [stderr]    |
Dec 04 13:12:20.131 INFO [stderr] 64 |     thread: thread::JoinHandle<()>,
Dec 04 13:12:20.131 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:12:20.131 INFO [stderr] 
Dec 04 13:12:20.595 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
Dec 04 13:12:20.595 INFO [stderr] su: No module specific data is present
Dec 04 13:12:21.220 INFO running `"docker" "inspect" "cae5f51934f0bb150ffda544a6a44176c88cf229dfdd82d664f36d6a3a1f307c"`
Dec 04 13:12:21.587 INFO running `"docker" "rm" "-f" "cae5f51934f0bb150ffda544a6a44176c88cf229dfdd82d664f36d6a3a1f307c"`
Dec 04 13:12:21.927 INFO [stdout] cae5f51934f0bb150ffda544a6a44176c88cf229dfdd82d664f36d6a3a1f307c