Nov 30 02:27:02.669 INFO checking glasses-n-contacts/rust-simple-server against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 02:27:02.669 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 30 02:27:03.172 INFO [stdout] a0950d0ef13d42523b17a024db6ed921ecf5f4694897a0b8c82d24b8e16c7417
Nov 30 02:27:03.178 INFO running `"docker" "start" "-a" "a0950d0ef13d42523b17a024db6ed921ecf5f4694897a0b8c82d24b8e16c7417"`
Nov 30 02:27:05.149 INFO [stderr] usermod: no changes
Nov 30 02:27:05.197 INFO [stderr]     Checking hello v0.1.0 (/source)
Nov 30 02:27:05.936 INFO [stderr] warning: field is never used: `workers`
Nov 30 02:27:05.936 INFO [stderr]  --> src/lib.rs:7:5
Nov 30 02:27:05.936 INFO [stderr]   |
Nov 30 02:27:05.936 INFO [stderr] 7 |     workers: Vec<Worker>,
Nov 30 02:27:05.936 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Nov 30 02:27:05.936 INFO [stderr]   |
Nov 30 02:27:05.936 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 02:27:05.936 INFO [stderr] 
Nov 30 02:27:05.936 INFO [stderr] warning: field is never used: `id`
Nov 30 02:27:05.936 INFO [stderr]   --> src/lib.rs:61:5
Nov 30 02:27:05.936 INFO [stderr]    |
Nov 30 02:27:05.936 INFO [stderr] 61 |     id: usize,
Nov 30 02:27:05.937 INFO [stderr]    |     ^^^^^^^^^
Nov 30 02:27:05.937 INFO [stderr] 
Nov 30 02:27:05.937 INFO [stderr] warning: field is never used: `thread`
Nov 30 02:27:05.937 INFO [stderr]   --> src/lib.rs:62:5
Nov 30 02:27:05.937 INFO [stderr]    |
Nov 30 02:27:05.937 INFO [stderr] 62 |     thread: thread::JoinHandle<()>,
Nov 30 02:27:05.937 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 02:27:05.937 INFO [stderr] 
Nov 30 02:27:06.256 INFO [stderr] warning: field is never used: `workers`
Nov 30 02:27:06.257 INFO [stderr]  --> src/lib.rs:7:5
Nov 30 02:27:06.257 INFO [stderr]   |
Nov 30 02:27:06.257 INFO [stderr] 7 |     workers: Vec<Worker>,
Nov 30 02:27:06.258 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Nov 30 02:27:06.258 INFO [stderr]   |
Nov 30 02:27:06.258 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 02:27:06.259 INFO [stderr] 
Nov 30 02:27:06.259 INFO [stderr] warning: field is never used: `id`
Nov 30 02:27:06.259 INFO [stderr]   --> src/lib.rs:61:5
Nov 30 02:27:06.259 INFO [stderr]    |
Nov 30 02:27:06.260 INFO [stderr] 61 |     id: usize,
Nov 30 02:27:06.260 INFO [stderr]    |     ^^^^^^^^^
Nov 30 02:27:06.260 INFO [stderr] 
Nov 30 02:27:06.261 INFO [stderr] warning: field is never used: `thread`
Nov 30 02:27:06.261 INFO [stderr]   --> src/lib.rs:62:5
Nov 30 02:27:06.261 INFO [stderr]    |
Nov 30 02:27:06.261 INFO [stderr] 62 |     thread: thread::JoinHandle<()>,
Nov 30 02:27:06.262 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 02:27:06.262 INFO [stderr] 
Nov 30 02:27:06.740 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
Nov 30 02:27:06.740 INFO [stderr] su: No module specific data is present
Nov 30 02:27:07.734 INFO running `"docker" "inspect" "a0950d0ef13d42523b17a024db6ed921ecf5f4694897a0b8c82d24b8e16c7417"`
Nov 30 02:27:08.020 INFO running `"docker" "rm" "-f" "a0950d0ef13d42523b17a024db6ed921ecf5f4694897a0b8c82d24b8e16c7417"`
Nov 30 02:27:08.256 INFO [stdout] a0950d0ef13d42523b17a024db6ed921ecf5f4694897a0b8c82d24b8e16c7417