Dec 11 12:41:06.413 INFO checking niclim/rust-server against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 12:41:06.413 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 12:41:06.832 INFO [stdout] 376d0d4c60db922b17a47a58692b0efa118beed76e1711779403c9f5c932dee6
Dec 11 12:41:06.834 INFO running `"docker" "start" "-a" "376d0d4c60db922b17a47a58692b0efa118beed76e1711779403c9f5c932dee6"`
Dec 11 12:41:09.267 INFO [stderr] usermod: no changes
Dec 11 12:41:09.317 INFO [stderr]     Checking ws v0.1.0 (/source)
Dec 11 12:41:09.768 INFO [stderr] warning: field is never used: `workers`
Dec 11 12:41:09.768 INFO [stderr]  --> src/lib.rs:7:5
Dec 11 12:41:09.768 INFO [stderr]   |
Dec 11 12:41:09.768 INFO [stderr] 7 |     workers: Vec<Worker>,
Dec 11 12:41:09.768 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 11 12:41:09.768 INFO [stderr]   |
Dec 11 12:41:09.768 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 12:41:09.768 INFO [stderr] 
Dec 11 12:41:09.769 INFO [stderr] warning: field is never used: `id`
Dec 11 12:41:09.769 INFO [stderr]   --> src/lib.rs:63:5
Dec 11 12:41:09.769 INFO [stderr]    |
Dec 11 12:41:09.769 INFO [stderr] 63 |     id: usize,
Dec 11 12:41:09.769 INFO [stderr]    |     ^^^^^^^^^
Dec 11 12:41:09.769 INFO [stderr] 
Dec 11 12:41:09.769 INFO [stderr] warning: field is never used: `thread`
Dec 11 12:41:09.769 INFO [stderr]   --> src/lib.rs:64:5
Dec 11 12:41:09.769 INFO [stderr]    |
Dec 11 12:41:09.769 INFO [stderr] 64 |     thread: thread::JoinHandle<()>,
Dec 11 12:41:09.769 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 12:41:09.769 INFO [stderr] 
Dec 11 12:41:09.803 INFO [stderr] warning: field is never used: `workers`
Dec 11 12:41:09.803 INFO [stderr]  --> src/lib.rs:7:5
Dec 11 12:41:09.803 INFO [stderr]   |
Dec 11 12:41:09.803 INFO [stderr] 7 |     workers: Vec<Worker>,
Dec 11 12:41:09.803 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 11 12:41:09.803 INFO [stderr]   |
Dec 11 12:41:09.804 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 12:41:09.804 INFO [stderr] 
Dec 11 12:41:09.804 INFO [stderr] warning: field is never used: `id`
Dec 11 12:41:09.804 INFO [stderr]   --> src/lib.rs:63:5
Dec 11 12:41:09.804 INFO [stderr]    |
Dec 11 12:41:09.804 INFO [stderr] 63 |     id: usize,
Dec 11 12:41:09.804 INFO [stderr]    |     ^^^^^^^^^
Dec 11 12:41:09.804 INFO [stderr] 
Dec 11 12:41:09.804 INFO [stderr] warning: field is never used: `thread`
Dec 11 12:41:09.804 INFO [stderr]   --> src/lib.rs:64:5
Dec 11 12:41:09.804 INFO [stderr]    |
Dec 11 12:41:09.804 INFO [stderr] 64 |     thread: thread::JoinHandle<()>,
Dec 11 12:41:09.804 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 12:41:09.804 INFO [stderr] 
Dec 11 12:41:10.391 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
Dec 11 12:41:10.401 INFO [stderr] su: No module specific data is present
Dec 11 12:41:11.468 INFO running `"docker" "inspect" "376d0d4c60db922b17a47a58692b0efa118beed76e1711779403c9f5c932dee6"`
Dec 11 12:41:11.872 INFO running `"docker" "rm" "-f" "376d0d4c60db922b17a47a58692b0efa118beed76e1711779403c9f5c932dee6"`
Dec 11 12:41:12.157 INFO [stdout] 376d0d4c60db922b17a47a58692b0efa118beed76e1711779403c9f5c932dee6