Nov 01 11:13:11.917 INFO checking MainShayne233/concurrency_demo against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 11:13:11.917 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-7/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 01 11:13:12.466 INFO blam! e62070f5e01995167406e6a9a3fe56e6eb1f26ceb8b6149b68cdcc01a4a161ee
Nov 01 11:13:12.468 INFO running `"docker" "start" "-a" "e62070f5e01995167406e6a9a3fe56e6eb1f26ceb8b6149b68cdcc01a4a161ee"`
Nov 01 11:13:13.761 INFO kablam! usermod: no changes
Nov 01 11:13:13.829 INFO kablam!     Checking concurrency_demo v0.1.0 (/source)
Nov 01 11:13:14.537 INFO kablam! warning: field is never used: `workers`
Nov 01 11:13:14.537 INFO kablam!  --> src/lib.rs:7:5
Nov 01 11:13:14.537 INFO kablam!   |
Nov 01 11:13:14.537 INFO kablam! 7 |     workers: Vec<Worker>,
Nov 01 11:13:14.538 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Nov 01 11:13:14.538 INFO kablam!   |
Nov 01 11:13:14.538 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 01 11:13:14.538 INFO kablam! 
Nov 01 11:13:14.539 INFO kablam! warning: field is never used: `id`
Nov 01 11:13:14.539 INFO kablam!   --> src/lib.rs:49:5
Nov 01 11:13:14.539 INFO kablam!    |
Nov 01 11:13:14.539 INFO kablam! 49 |     id: usize,
Nov 01 11:13:14.540 INFO kablam!    |     ^^^^^^^^^
Nov 01 11:13:14.540 INFO kablam! 
Nov 01 11:13:14.540 INFO kablam! warning: field is never used: `thread`
Nov 01 11:13:14.540 INFO kablam!   --> src/lib.rs:50:5
Nov 01 11:13:14.541 INFO kablam!    |
Nov 01 11:13:14.541 INFO kablam! 50 |     thread: thread::JoinHandle<()>,
Nov 01 11:13:14.541 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 11:13:14.541 INFO kablam! 
Nov 01 11:13:14.872 INFO kablam! warning: field is never used: `workers`
Nov 01 11:13:14.873 INFO kablam!  --> src/lib.rs:7:5
Nov 01 11:13:14.873 INFO kablam!   |
Nov 01 11:13:14.873 INFO kablam! 7 |     workers: Vec<Worker>,
Nov 01 11:13:14.874 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Nov 01 11:13:14.874 INFO kablam!   |
Nov 01 11:13:14.874 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 01 11:13:14.875 INFO kablam! 
Nov 01 11:13:14.875 INFO kablam! warning: field is never used: `id`
Nov 01 11:13:14.875 INFO kablam!   --> src/lib.rs:49:5
Nov 01 11:13:14.876 INFO kablam!    |
Nov 01 11:13:14.876 INFO kablam! 49 |     id: usize,
Nov 01 11:13:14.876 INFO kablam!    |     ^^^^^^^^^
Nov 01 11:13:14.876 INFO kablam! 
Nov 01 11:13:14.877 INFO kablam! warning: field is never used: `thread`
Nov 01 11:13:14.877 INFO kablam!   --> src/lib.rs:50:5
Nov 01 11:13:14.877 INFO kablam!    |
Nov 01 11:13:14.877 INFO kablam! 50 |     thread: thread::JoinHandle<()>,
Nov 01 11:13:14.878 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 11:13:14.878 INFO kablam! 
Nov 01 11:13:15.772 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.97s
Nov 01 11:13:15.773 INFO kablam! su: No module specific data is present
Nov 01 11:13:16.392 INFO running `"docker" "rm" "-f" "e62070f5e01995167406e6a9a3fe56e6eb1f26ceb8b6149b68cdcc01a4a161ee"`
Nov 01 11:13:16.656 INFO blam! e62070f5e01995167406e6a9a3fe56e6eb1f26ceb8b6149b68cdcc01a4a161ee