Nov 28 00:39:57.322 INFO checking michaltakac/rust-webserver against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 00:39:57.323 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-2/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 00:39:57.838 INFO [stdout] f2c4423dab6b3eb07abb79835e2cee26eb55cb8f9fac1747aa3564820ee6b384
Nov 28 00:39:57.840 INFO running `"docker" "start" "-a" "f2c4423dab6b3eb07abb79835e2cee26eb55cb8f9fac1747aa3564820ee6b384"`
Nov 28 00:39:59.831 INFO [stderr] usermod: no changes
Nov 28 00:39:59.896 INFO [stderr]     Checking webserver v0.1.0 (/source)
Nov 28 00:40:00.397 INFO [stderr] warning: field is never used: `workers`
Nov 28 00:40:00.398 INFO [stderr]  --> src/lib.rs:7:5
Nov 28 00:40:00.400 INFO [stderr]   |
Nov 28 00:40:00.401 INFO [stderr] 7 |     workers: Vec<Worker>,
Nov 28 00:40:00.401 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Nov 28 00:40:00.401 INFO [stderr]   |
Nov 28 00:40:00.401 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 00:40:00.402 INFO [stderr] 
Nov 28 00:40:00.402 INFO [stderr] warning: field is never used: `id`
Nov 28 00:40:00.402 INFO [stderr]   --> src/lib.rs:61:5
Nov 28 00:40:00.403 INFO [stderr]    |
Nov 28 00:40:00.403 INFO [stderr] 61 |     id: usize,
Nov 28 00:40:00.403 INFO [stderr]    |     ^^^^^^^^^
Nov 28 00:40:00.403 INFO [stderr] 
Nov 28 00:40:00.403 INFO [stderr] warning: field is never used: `thread`
Nov 28 00:40:00.404 INFO [stderr]   --> src/lib.rs:62:5
Nov 28 00:40:00.404 INFO [stderr]    |
Nov 28 00:40:00.404 INFO [stderr] 62 |     thread: thread::JoinHandle<()>,
Nov 28 00:40:00.404 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 00:40:00.405 INFO [stderr] 
Nov 28 00:40:00.451 INFO [stderr] warning: field is never used: `workers`
Nov 28 00:40:00.452 INFO [stderr]  --> src/lib.rs:7:5
Nov 28 00:40:00.452 INFO [stderr]   |
Nov 28 00:40:00.452 INFO [stderr] 7 |     workers: Vec<Worker>,
Nov 28 00:40:00.453 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Nov 28 00:40:00.453 INFO [stderr]   |
Nov 28 00:40:00.453 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 00:40:00.453 INFO [stderr] 
Nov 28 00:40:00.453 INFO [stderr] warning: field is never used: `id`
Nov 28 00:40:00.454 INFO [stderr]   --> src/lib.rs:61:5
Nov 28 00:40:00.454 INFO [stderr]    |
Nov 28 00:40:00.454 INFO [stderr] 61 |     id: usize,
Nov 28 00:40:00.455 INFO [stderr]    |     ^^^^^^^^^
Nov 28 00:40:00.455 INFO [stderr] 
Nov 28 00:40:00.455 INFO [stderr] warning: field is never used: `thread`
Nov 28 00:40:00.455 INFO [stderr]   --> src/lib.rs:62:5
Nov 28 00:40:00.455 INFO [stderr]    |
Nov 28 00:40:00.456 INFO [stderr] 62 |     thread: thread::JoinHandle<()>,
Nov 28 00:40:00.456 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 00:40:00.456 INFO [stderr] 
Nov 28 00:40:01.020 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
Nov 28 00:40:01.023 INFO [stderr] su: No module specific data is present
Nov 28 00:40:01.947 INFO running `"docker" "inspect" "f2c4423dab6b3eb07abb79835e2cee26eb55cb8f9fac1747aa3564820ee6b384"`
Nov 28 00:40:02.251 INFO running `"docker" "rm" "-f" "f2c4423dab6b3eb07abb79835e2cee26eb55cb8f9fac1747aa3564820ee6b384"`
Nov 28 00:40:02.456 INFO [stdout] f2c4423dab6b3eb07abb79835e2cee26eb55cb8f9fac1747aa3564820ee6b384