Nov 28 04:51:15.279 INFO checking glasses-n-contacts/rust-simple-server against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 04:51:15.281 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 04:51:15.742 INFO [stdout] 36a06743e048a02d1f37ff2d766ad7ec07b708f2ce7cdaa057a2d916906ca182
Nov 28 04:51:15.745 INFO running `"docker" "start" "-a" "36a06743e048a02d1f37ff2d766ad7ec07b708f2ce7cdaa057a2d916906ca182"`
Nov 28 04:51:17.748 INFO [stderr] usermod: no changes
Nov 28 04:51:17.805 INFO [stderr]     Checking hello v0.1.0 (/source)
Nov 28 04:51:18.424 INFO [stderr] warning: field is never used: `workers`
Nov 28 04:51:18.424 INFO [stderr]  --> src/lib.rs:7:5
Nov 28 04:51:18.424 INFO [stderr]   |
Nov 28 04:51:18.424 INFO [stderr] 7 |     workers: Vec<Worker>,
Nov 28 04:51:18.424 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Nov 28 04:51:18.424 INFO [stderr]   |
Nov 28 04:51:18.424 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 04:51:18.424 INFO [stderr] 
Nov 28 04:51:18.424 INFO [stderr] warning: field is never used: `id`
Nov 28 04:51:18.425 INFO [stderr]   --> src/lib.rs:61:5
Nov 28 04:51:18.425 INFO [stderr]    |
Nov 28 04:51:18.425 INFO [stderr] 61 |     id: usize,
Nov 28 04:51:18.425 INFO [stderr]    |     ^^^^^^^^^
Nov 28 04:51:18.425 INFO [stderr] 
Nov 28 04:51:18.425 INFO [stderr] warning: field is never used: `thread`
Nov 28 04:51:18.425 INFO [stderr]   --> src/lib.rs:62:5
Nov 28 04:51:18.425 INFO [stderr]    |
Nov 28 04:51:18.425 INFO [stderr] 62 |     thread: thread::JoinHandle<()>,
Nov 28 04:51:18.425 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:51:18.425 INFO [stderr] 
Nov 28 04:51:18.615 INFO [stderr] warning: field is never used: `workers`
Nov 28 04:51:18.615 INFO [stderr]  --> src/lib.rs:7:5
Nov 28 04:51:18.615 INFO [stderr]   |
Nov 28 04:51:18.615 INFO [stderr] 7 |     workers: Vec<Worker>,
Nov 28 04:51:18.616 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Nov 28 04:51:18.616 INFO [stderr]   |
Nov 28 04:51:18.616 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 04:51:18.616 INFO [stderr] 
Nov 28 04:51:18.616 INFO [stderr] warning: field is never used: `id`
Nov 28 04:51:18.616 INFO [stderr]   --> src/lib.rs:61:5
Nov 28 04:51:18.616 INFO [stderr]    |
Nov 28 04:51:18.616 INFO [stderr] 61 |     id: usize,
Nov 28 04:51:18.616 INFO [stderr]    |     ^^^^^^^^^
Nov 28 04:51:18.616 INFO [stderr] 
Nov 28 04:51:18.616 INFO [stderr] warning: field is never used: `thread`
Nov 28 04:51:18.616 INFO [stderr]   --> src/lib.rs:62:5
Nov 28 04:51:18.616 INFO [stderr]    |
Nov 28 04:51:18.616 INFO [stderr] 62 |     thread: thread::JoinHandle<()>,
Nov 28 04:51:18.616 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:51:18.616 INFO [stderr] 
Nov 28 04:51:19.050 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
Nov 28 04:51:19.051 INFO [stderr] su: No module specific data is present
Nov 28 04:51:20.022 INFO running `"docker" "inspect" "36a06743e048a02d1f37ff2d766ad7ec07b708f2ce7cdaa057a2d916906ca182"`
Nov 28 04:51:20.298 INFO running `"docker" "rm" "-f" "36a06743e048a02d1f37ff2d766ad7ec07b708f2ce7cdaa057a2d916906ca182"`
Nov 28 04:51:20.569 INFO [stdout] 36a06743e048a02d1f37ff2d766ad7ec07b708f2ce7cdaa057a2d916906ca182