Dec 18 01:09:47.513 INFO checking drakemain/rust-web-server against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 01:09:47.513 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/drakemain/rust-web-server:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 01:09:47.730 INFO [stdout] 220b84640829ea182a244ccb1e42fa79ac725e0229f8c6d972d00adc76caec5f
Dec 18 01:09:47.731 INFO running `"docker" "start" "-a" "220b84640829ea182a244ccb1e42fa79ac725e0229f8c6d972d00adc76caec5f"`
Dec 18 01:09:48.793 INFO [stderr]     Checking webserver v0.1.0 (/opt/crater/workdir)
Dec 18 01:09:48.984 INFO [stderr] warning: field is never used: `workers`
Dec 18 01:09:48.984 INFO [stderr]  --> src/lib.rs:7:3
Dec 18 01:09:48.984 INFO [stderr]   |
Dec 18 01:09:48.984 INFO [stderr] 7 |   workers: Vec<Worker>,
Dec 18 01:09:48.984 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^
Dec 18 01:09:48.984 INFO [stderr]   |
Dec 18 01:09:48.984 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 01:09:48.985 INFO [stderr] 
Dec 18 01:09:48.985 INFO [stderr] warning: field is never used: `id`
Dec 18 01:09:48.985 INFO [stderr]   --> src/lib.rs:12:3
Dec 18 01:09:48.985 INFO [stderr]    |
Dec 18 01:09:48.985 INFO [stderr] 12 |   id: usize,
Dec 18 01:09:48.985 INFO [stderr]    |   ^^^^^^^^^
Dec 18 01:09:48.985 INFO [stderr] 
Dec 18 01:09:48.985 INFO [stderr] warning: field is never used: `thread`
Dec 18 01:09:48.985 INFO [stderr]   --> src/lib.rs:13:3
Dec 18 01:09:48.985 INFO [stderr]    |
Dec 18 01:09:48.985 INFO [stderr] 13 |   thread: thread::JoinHandle<()>
Dec 18 01:09:48.985 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:09:48.985 INFO [stderr] 
Dec 18 01:09:49.120 INFO [stderr] warning: field is never used: `workers`
Dec 18 01:09:49.120 INFO [stderr]  --> src/lib.rs:7:3
Dec 18 01:09:49.120 INFO [stderr]   |
Dec 18 01:09:49.120 INFO [stderr] 7 |   workers: Vec<Worker>,
Dec 18 01:09:49.120 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^
Dec 18 01:09:49.120 INFO [stderr]   |
Dec 18 01:09:49.120 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 01:09:49.120 INFO [stderr] 
Dec 18 01:09:49.120 INFO [stderr] warning: field is never used: `id`
Dec 18 01:09:49.120 INFO [stderr]   --> src/lib.rs:12:3
Dec 18 01:09:49.120 INFO [stderr]    |
Dec 18 01:09:49.120 INFO [stderr] 12 |   id: usize,
Dec 18 01:09:49.120 INFO [stderr]    |   ^^^^^^^^^
Dec 18 01:09:49.120 INFO [stderr] 
Dec 18 01:09:49.120 INFO [stderr] warning: field is never used: `thread`
Dec 18 01:09:49.120 INFO [stderr]   --> src/lib.rs:13:3
Dec 18 01:09:49.120 INFO [stderr]    |
Dec 18 01:09:49.120 INFO [stderr] 13 |   thread: thread::JoinHandle<()>
Dec 18 01:09:49.120 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:09:49.120 INFO [stderr] 
Dec 18 01:09:49.242 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
Dec 18 01:09:49.545 INFO running `"docker" "inspect" "220b84640829ea182a244ccb1e42fa79ac725e0229f8c6d972d00adc76caec5f"`
Dec 18 01:09:49.636 INFO running `"docker" "rm" "-f" "220b84640829ea182a244ccb1e42fa79ac725e0229f8c6d972d00adc76caec5f"`
Dec 18 01:09:49.717 INFO [stdout] 220b84640829ea182a244ccb1e42fa79ac725e0229f8c6d972d00adc76caec5f