Dec 04 19:38:30.324 INFO checking drakemain/rust-web-server against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 19:38:30.324 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 19:38:30.611 INFO [stdout] 39cecac5530f7e01ceaef2b49b47d259314f128f05f3925662b3742b49365b17
Dec 04 19:38:30.611 INFO running `"docker" "start" "-a" "39cecac5530f7e01ceaef2b49b47d259314f128f05f3925662b3742b49365b17"`
Dec 04 19:38:31.371 INFO [stderr] usermod: no changes
Dec 04 19:38:31.411 INFO [stderr]     Checking webserver v0.1.0 (/source)
Dec 04 19:38:31.738 INFO [stderr] warning: field is never used: `workers`
Dec 04 19:38:31.738 INFO [stderr]  --> src/lib.rs:7:3
Dec 04 19:38:31.738 INFO [stderr]   |
Dec 04 19:38:31.738 INFO [stderr] 7 |   workers: Vec<Worker>,
Dec 04 19:38:31.738 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^
Dec 04 19:38:31.738 INFO [stderr]   |
Dec 04 19:38:31.738 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 19:38:31.738 INFO [stderr] 
Dec 04 19:38:31.738 INFO [stderr] warning: field is never used: `id`
Dec 04 19:38:31.738 INFO [stderr]   --> src/lib.rs:12:3
Dec 04 19:38:31.738 INFO [stderr]    |
Dec 04 19:38:31.738 INFO [stderr] 12 |   id: usize,
Dec 04 19:38:31.738 INFO [stderr]    |   ^^^^^^^^^
Dec 04 19:38:31.738 INFO [stderr] 
Dec 04 19:38:31.738 INFO [stderr] warning: field is never used: `thread`
Dec 04 19:38:31.738 INFO [stderr]   --> src/lib.rs:13:3
Dec 04 19:38:31.738 INFO [stderr]    |
Dec 04 19:38:31.738 INFO [stderr] 13 |   thread: thread::JoinHandle<()>
Dec 04 19:38:31.738 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:38:31.738 INFO [stderr] 
Dec 04 19:38:31.787 INFO [stderr] warning: field is never used: `workers`
Dec 04 19:38:31.787 INFO [stderr]  --> src/lib.rs:7:3
Dec 04 19:38:31.787 INFO [stderr]   |
Dec 04 19:38:31.787 INFO [stderr] 7 |   workers: Vec<Worker>,
Dec 04 19:38:31.787 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^
Dec 04 19:38:31.787 INFO [stderr]   |
Dec 04 19:38:31.787 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 19:38:31.787 INFO [stderr] 
Dec 04 19:38:31.787 INFO [stderr] warning: field is never used: `id`
Dec 04 19:38:31.787 INFO [stderr]   --> src/lib.rs:12:3
Dec 04 19:38:31.787 INFO [stderr]    |
Dec 04 19:38:31.787 INFO [stderr] 12 |   id: usize,
Dec 04 19:38:31.787 INFO [stderr]    |   ^^^^^^^^^
Dec 04 19:38:31.787 INFO [stderr] 
Dec 04 19:38:31.787 INFO [stderr] warning: field is never used: `thread`
Dec 04 19:38:31.787 INFO [stderr]   --> src/lib.rs:13:3
Dec 04 19:38:31.787 INFO [stderr]    |
Dec 04 19:38:31.787 INFO [stderr] 13 |   thread: thread::JoinHandle<()>
Dec 04 19:38:31.787 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:38:31.787 INFO [stderr] 
Dec 04 19:38:32.094 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
Dec 04 19:38:32.097 INFO [stderr] su: No module specific data is present
Dec 04 19:38:32.368 INFO running `"docker" "inspect" "39cecac5530f7e01ceaef2b49b47d259314f128f05f3925662b3742b49365b17"`
Dec 04 19:38:32.428 INFO running `"docker" "rm" "-f" "39cecac5530f7e01ceaef2b49b47d259314f128f05f3925662b3742b49365b17"`
Dec 04 19:38:32.513 INFO [stdout] 39cecac5530f7e01ceaef2b49b47d259314f128f05f3925662b3742b49365b17