Oct 12 21:21:06.753 INFO checking funkjunky/rust-webserver against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 21:21:06.754 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 21:21:07.088 INFO blam! bce013abf44f8807228207bd6bbb3415b1b7f7914dd12d8cf661f0892e34136b
Oct 12 21:21:07.096 INFO running `"docker" "start" "-a" "bce013abf44f8807228207bd6bbb3415b1b7f7914dd12d8cf661f0892e34136b"`
Oct 12 21:21:07.604 INFO kablam! usermod: no changes
Oct 12 21:21:07.632 INFO kablam!     Checking rust-webserver v0.1.0 (/source)
Oct 12 21:21:08.096 INFO kablam! warning: field is never used: `id`
Oct 12 21:21:08.105 INFO kablam!   --> src/main.rs:40:5
Oct 12 21:21:08.108 INFO kablam!    |
Oct 12 21:21:08.108 INFO kablam! 40 |     id: usize,
Oct 12 21:21:08.108 INFO kablam!    |     ^^^^^^^^^
Oct 12 21:21:08.108 INFO kablam!    |
Oct 12 21:21:08.108 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 21:21:08.108 INFO kablam! 
Oct 12 21:21:08.108 INFO kablam! warning: field is never used: `thread`
Oct 12 21:21:08.109 INFO kablam!   --> src/main.rs:41:5
Oct 12 21:21:08.109 INFO kablam!    |
Oct 12 21:21:08.109 INFO kablam! 41 |     thread: thread::JoinHandle<Arc<Mutex<mpsc::Receiver<Job>>>>,
Oct 12 21:21:08.120 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:21:08.120 INFO kablam! 
Oct 12 21:21:08.120 INFO kablam! warning: field is never used: `workers`
Oct 12 21:21:08.120 INFO kablam!   --> src/main.rs:70:5
Oct 12 21:21:08.120 INFO kablam!    |
Oct 12 21:21:08.120 INFO kablam! 70 |     workers: Vec<Worker>,
Oct 12 21:21:08.120 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Oct 12 21:21:08.120 INFO kablam! 
Oct 12 21:21:08.360 INFO kablam! warning: field is never used: `id`
Oct 12 21:21:08.360 INFO kablam!   --> src/main.rs:40:5
Oct 12 21:21:08.360 INFO kablam!    |
Oct 12 21:21:08.360 INFO kablam! 40 |     id: usize,
Oct 12 21:21:08.360 INFO kablam!    |     ^^^^^^^^^
Oct 12 21:21:08.360 INFO kablam!    |
Oct 12 21:21:08.360 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 21:21:08.360 INFO kablam! 
Oct 12 21:21:08.360 INFO kablam! warning: field is never used: `thread`
Oct 12 21:21:08.360 INFO kablam!   --> src/main.rs:41:5
Oct 12 21:21:08.360 INFO kablam!    |
Oct 12 21:21:08.360 INFO kablam! 41 |     thread: thread::JoinHandle<Arc<Mutex<mpsc::Receiver<Job>>>>,
Oct 12 21:21:08.360 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:21:08.360 INFO kablam! 
Oct 12 21:21:08.360 INFO kablam! warning: field is never used: `workers`
Oct 12 21:21:08.360 INFO kablam!   --> src/main.rs:70:5
Oct 12 21:21:08.360 INFO kablam!    |
Oct 12 21:21:08.360 INFO kablam! 70 |     workers: Vec<Worker>,
Oct 12 21:21:08.360 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Oct 12 21:21:08.360 INFO kablam! 
Oct 12 21:21:08.400 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
Oct 12 21:21:08.408 INFO kablam! su: No module specific data is present
Oct 12 21:21:08.964 INFO running `"docker" "rm" "-f" "bce013abf44f8807228207bd6bbb3415b1b7f7914dd12d8cf661f0892e34136b"`
Oct 12 21:21:09.128 INFO blam! bce013abf44f8807228207bd6bbb3415b1b7f7914dd12d8cf661f0892e34136b