Oct 27 10:49:19.892 INFO checking MainShayne233/concurrency_demo against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 10:49:19.892 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-5/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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 27 10:49:20.375 INFO blam! 9f1bbe86b3227781c0e095c100f2ca72036f78ac8933af15a90426809ee0b0de
Oct 27 10:49:20.378 INFO running `"docker" "start" "-a" "9f1bbe86b3227781c0e095c100f2ca72036f78ac8933af15a90426809ee0b0de"`
Oct 27 10:49:22.191 INFO kablam! usermod: no changes
Oct 27 10:49:22.235 INFO kablam!     Checking concurrency_demo v0.1.0 (/source)
Oct 27 10:49:23.276 INFO kablam! warning: field is never used: `workers`
Oct 27 10:49:23.277 INFO kablam!  --> src/lib.rs:7:5
Oct 27 10:49:23.278 INFO kablam!   |
Oct 27 10:49:23.279 INFO kablam! 7 |     workers: Vec<Worker>,
Oct 27 10:49:23.280 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Oct 27 10:49:23.280 INFO kablam!   |
Oct 27 10:49:23.281 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 27 10:49:23.282 INFO kablam! 
Oct 27 10:49:23.282 INFO kablam! warning: field is never used: `id`
Oct 27 10:49:23.283 INFO kablam!   --> src/lib.rs:49:5
Oct 27 10:49:23.284 INFO kablam!    |
Oct 27 10:49:23.284 INFO kablam! 49 |     id: usize,
Oct 27 10:49:23.285 INFO kablam!    |     ^^^^^^^^^
Oct 27 10:49:23.285 INFO kablam! 
Oct 27 10:49:23.286 INFO kablam! warning: field is never used: `thread`
Oct 27 10:49:23.287 INFO kablam!   --> src/lib.rs:50:5
Oct 27 10:49:23.287 INFO kablam!    |
Oct 27 10:49:23.288 INFO kablam! 50 |     thread: thread::JoinHandle<()>,
Oct 27 10:49:23.288 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 10:49:23.289 INFO kablam! 
Oct 27 10:49:23.384 INFO kablam! warning: field is never used: `workers`
Oct 27 10:49:23.384 INFO kablam!  --> src/lib.rs:7:5
Oct 27 10:49:23.384 INFO kablam!   |
Oct 27 10:49:23.385 INFO kablam! 7 |     workers: Vec<Worker>,
Oct 27 10:49:23.386 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Oct 27 10:49:23.386 INFO kablam!   |
Oct 27 10:49:23.386 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 27 10:49:23.386 INFO kablam! 
Oct 27 10:49:23.387 INFO kablam! warning: field is never used: `id`
Oct 27 10:49:23.387 INFO kablam!   --> src/lib.rs:49:5
Oct 27 10:49:23.387 INFO kablam!    |
Oct 27 10:49:23.387 INFO kablam! 49 |     id: usize,
Oct 27 10:49:23.387 INFO kablam!    |     ^^^^^^^^^
Oct 27 10:49:23.387 INFO kablam! 
Oct 27 10:49:23.387 INFO kablam! warning: field is never used: `thread`
Oct 27 10:49:23.387 INFO kablam!   --> src/lib.rs:50:5
Oct 27 10:49:23.387 INFO kablam!    |
Oct 27 10:49:23.387 INFO kablam! 50 |     thread: thread::JoinHandle<()>,
Oct 27 10:49:23.387 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 10:49:23.387 INFO kablam! 
Oct 27 10:49:24.763 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.54s
Oct 27 10:49:24.768 INFO kablam! su: No module specific data is present
Oct 27 10:49:25.893 INFO running `"docker" "rm" "-f" "9f1bbe86b3227781c0e095c100f2ca72036f78ac8933af15a90426809ee0b0de"`
Oct 27 10:49:26.247 INFO blam! 9f1bbe86b3227781c0e095c100f2ca72036f78ac8933af15a90426809ee0b0de