Dec 04 19:38:29.493 INFO checking drakemain/rust-web-server against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 19:38:29.493 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 19:38:29.711 INFO [stdout] 8c4d643030a3decf773a550eb034c71267d14727e1f249bcd125901d229d3cb6
Dec 04 19:38:29.711 INFO running `"docker" "start" "-a" "8c4d643030a3decf773a550eb034c71267d14727e1f249bcd125901d229d3cb6"`
Dec 04 19:38:30.578 INFO [stderr] usermod: no changes
Dec 04 19:38:30.659 INFO [stderr]     Checking webserver v0.1.0 (/source)
Dec 04 19:38:31.087 INFO [stderr] warning: field is never used: `workers`
Dec 04 19:38:31.087 INFO [stderr]  --> src/lib.rs:7:3
Dec 04 19:38:31.087 INFO [stderr]   |
Dec 04 19:38:31.087 INFO [stderr] 7 |   workers: Vec<Worker>,
Dec 04 19:38:31.087 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^
Dec 04 19:38:31.087 INFO [stderr]   |
Dec 04 19:38:31.087 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 19:38:31.087 INFO [stderr] 
Dec 04 19:38:31.087 INFO [stderr] warning: field is never used: `id`
Dec 04 19:38:31.087 INFO [stderr]   --> src/lib.rs:12:3
Dec 04 19:38:31.087 INFO [stderr]    |
Dec 04 19:38:31.087 INFO [stderr] 12 |   id: usize,
Dec 04 19:38:31.087 INFO [stderr]    |   ^^^^^^^^^
Dec 04 19:38:31.087 INFO [stderr] 
Dec 04 19:38:31.087 INFO [stderr] warning: field is never used: `thread`
Dec 04 19:38:31.087 INFO [stderr]   --> src/lib.rs:13:3
Dec 04 19:38:31.087 INFO [stderr]    |
Dec 04 19:38:31.087 INFO [stderr] 13 |   thread: thread::JoinHandle<()>
Dec 04 19:38:31.087 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:38:31.087 INFO [stderr] 
Dec 04 19:38:31.119 INFO [stderr] warning: field is never used: `workers`
Dec 04 19:38:31.119 INFO [stderr]  --> src/lib.rs:7:3
Dec 04 19:38:31.119 INFO [stderr]   |
Dec 04 19:38:31.119 INFO [stderr] 7 |   workers: Vec<Worker>,
Dec 04 19:38:31.119 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^
Dec 04 19:38:31.119 INFO [stderr]   |
Dec 04 19:38:31.119 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 19:38:31.119 INFO [stderr] 
Dec 04 19:38:31.119 INFO [stderr] warning: field is never used: `id`
Dec 04 19:38:31.119 INFO [stderr]   --> src/lib.rs:12:3
Dec 04 19:38:31.119 INFO [stderr]    |
Dec 04 19:38:31.119 INFO [stderr] 12 |   id: usize,
Dec 04 19:38:31.119 INFO [stderr]    |   ^^^^^^^^^
Dec 04 19:38:31.119 INFO [stderr] 
Dec 04 19:38:31.119 INFO [stderr] warning: field is never used: `thread`
Dec 04 19:38:31.119 INFO [stderr]   --> src/lib.rs:13:3
Dec 04 19:38:31.119 INFO [stderr]    |
Dec 04 19:38:31.119 INFO [stderr] 13 |   thread: thread::JoinHandle<()>
Dec 04 19:38:31.119 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:38:31.119 INFO [stderr] 
Dec 04 19:38:31.521 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
Dec 04 19:38:31.524 INFO [stderr] su: No module specific data is present
Dec 04 19:38:31.850 INFO running `"docker" "inspect" "8c4d643030a3decf773a550eb034c71267d14727e1f249bcd125901d229d3cb6"`
Dec 04 19:38:31.933 INFO running `"docker" "rm" "-f" "8c4d643030a3decf773a550eb034c71267d14727e1f249bcd125901d229d3cb6"`
Dec 04 19:38:32.079 INFO [stdout] 8c4d643030a3decf773a550eb034c71267d14727e1f249bcd125901d229d3cb6