Nov 04 12:49:24.525 INFO checking MainShayne233/concurrency_demo against master#2ad8c7b3502616aff142a4640cce911c6c2c5463 for pr-55655
Nov 04 12:49:24.527 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-1/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55655/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/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 +2ad8c7b3502616aff142a4640cce911c6c2c5463-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 04 12:49:24.963 INFO blam! 3c479ef6937e7f02254f2ed61114c646256ba5e19b801d5c36e0ad653cb0fb90
Nov 04 12:49:24.965 INFO running `"docker" "start" "-a" "3c479ef6937e7f02254f2ed61114c646256ba5e19b801d5c36e0ad653cb0fb90"`
Nov 04 12:49:26.289 INFO kablam! usermod: no changes
Nov 04 12:49:26.356 INFO kablam!     Checking concurrency_demo v0.1.0 (/source)
Nov 04 12:49:26.887 INFO kablam! warning: field is never used: `workers`
Nov 04 12:49:26.887 INFO kablam!  --> src/lib.rs:7:5
Nov 04 12:49:26.887 INFO kablam!   |
Nov 04 12:49:26.887 INFO kablam! 7 |     workers: Vec<Worker>,
Nov 04 12:49:26.887 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Nov 04 12:49:26.887 INFO kablam!   |
Nov 04 12:49:26.887 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 04 12:49:26.887 INFO kablam! 
Nov 04 12:49:26.887 INFO kablam! warning: field is never used: `id`
Nov 04 12:49:26.887 INFO kablam!   --> src/lib.rs:49:5
Nov 04 12:49:26.887 INFO kablam!    |
Nov 04 12:49:26.887 INFO kablam! 49 |     id: usize,
Nov 04 12:49:26.888 INFO kablam!    |     ^^^^^^^^^
Nov 04 12:49:26.888 INFO kablam! 
Nov 04 12:49:26.888 INFO kablam! warning: field is never used: `thread`
Nov 04 12:49:26.888 INFO kablam!   --> src/lib.rs:50:5
Nov 04 12:49:26.888 INFO kablam!    |
Nov 04 12:49:26.888 INFO kablam! 50 |     thread: thread::JoinHandle<()>,
Nov 04 12:49:26.888 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 12:49:26.888 INFO kablam! 
Nov 04 12:49:27.243 INFO kablam! warning: field is never used: `workers`
Nov 04 12:49:27.243 INFO kablam!  --> src/lib.rs:7:5
Nov 04 12:49:27.243 INFO kablam!   |
Nov 04 12:49:27.243 INFO kablam! 7 |     workers: Vec<Worker>,
Nov 04 12:49:27.243 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Nov 04 12:49:27.243 INFO kablam!   |
Nov 04 12:49:27.243 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 04 12:49:27.243 INFO kablam! 
Nov 04 12:49:27.243 INFO kablam! warning: field is never used: `id`
Nov 04 12:49:27.243 INFO kablam!   --> src/lib.rs:49:5
Nov 04 12:49:27.243 INFO kablam!    |
Nov 04 12:49:27.243 INFO kablam! 49 |     id: usize,
Nov 04 12:49:27.243 INFO kablam!    |     ^^^^^^^^^
Nov 04 12:49:27.243 INFO kablam! 
Nov 04 12:49:27.243 INFO kablam! warning: field is never used: `thread`
Nov 04 12:49:27.243 INFO kablam!   --> src/lib.rs:50:5
Nov 04 12:49:27.243 INFO kablam!    |
Nov 04 12:49:27.243 INFO kablam! 50 |     thread: thread::JoinHandle<()>,
Nov 04 12:49:27.243 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 12:49:27.243 INFO kablam! 
Nov 04 12:49:27.715 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
Nov 04 12:49:27.723 INFO kablam! su: No module specific data is present
Nov 04 12:49:28.331 INFO running `"docker" "rm" "-f" "3c479ef6937e7f02254f2ed61114c646256ba5e19b801d5c36e0ad653cb0fb90"`
Nov 04 12:49:28.535 INFO blam! 3c479ef6937e7f02254f2ed61114c646256ba5e19b801d5c36e0ad653cb0fb90