Nov 03 22:54:25.804 INFO checking slavovojacek/8QP_rust against master#2ad8c7b3502616aff142a4640cce911c6c2c5463 for pr-55655
Nov 03 22:54:25.804 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-4/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 03 22:54:26.301 INFO blam! a7d8ba4beabdbc5fb645c83f674c7782caea3d364494ef4411157860cfb72075
Nov 03 22:54:26.311 INFO running `"docker" "start" "-a" "a7d8ba4beabdbc5fb645c83f674c7782caea3d364494ef4411157860cfb72075"`
Nov 03 22:54:26.964 INFO kablam! usermod: no changes
Nov 03 22:54:27.063 INFO kablam!     Checking rand v0.3.15
Nov 03 22:54:28.355 INFO kablam!     Checking eight_queen_problem v0.1.0 (/source)
Nov 03 22:54:28.687 INFO kablam! warning: value assigned to `empty_squares` is never read
Nov 03 22:54:28.688 INFO kablam!   --> src/main.rs:20:13
Nov 03 22:54:28.688 INFO kablam!    |
Nov 03 22:54:28.688 INFO kablam! 20 |     let mut empty_squares: Vec<Position> = Vec::new();
Nov 03 22:54:28.688 INFO kablam!    |             ^^^^^^^^^^^^^
Nov 03 22:54:28.689 INFO kablam!    |
Nov 03 22:54:28.689 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Nov 03 22:54:28.689 INFO kablam! 
Nov 03 22:54:28.690 INFO kablam! warning: unused variable: `r`
Nov 03 22:54:28.690 INFO kablam!    --> src/main.rs:113:33
Nov 03 22:54:28.690 INFO kablam!     |
Nov 03 22:54:28.691 INFO kablam! 113 | fn fill_col(board: &mut Board, (r, c): Position) -> Result<(), Position> {
Nov 03 22:54:28.691 INFO kablam!     |                                 ^ help: consider using `_r` instead
Nov 03 22:54:28.691 INFO kablam!     |
Nov 03 22:54:28.691 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 03 22:54:28.692 INFO kablam! 
Nov 03 22:54:28.719 INFO kablam! warning: value assigned to `empty_squares` is never read
Nov 03 22:54:28.719 INFO kablam!   --> src/main.rs:20:13
Nov 03 22:54:28.720 INFO kablam!    |
Nov 03 22:54:28.720 INFO kablam! 20 |     let mut empty_squares: Vec<Position> = Vec::new();
Nov 03 22:54:28.720 INFO kablam!    |             ^^^^^^^^^^^^^
Nov 03 22:54:28.721 INFO kablam!    |
Nov 03 22:54:28.721 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Nov 03 22:54:28.721 INFO kablam! 
Nov 03 22:54:28.725 INFO kablam! warning: unused variable: `r`
Nov 03 22:54:28.725 INFO kablam!    --> src/main.rs:113:33
Nov 03 22:54:28.725 INFO kablam!     |
Nov 03 22:54:28.725 INFO kablam! 113 | fn fill_col(board: &mut Board, (r, c): Position) -> Result<(), Position> {
Nov 03 22:54:28.725 INFO kablam!     |                                 ^ help: consider using `_r` instead
Nov 03 22:54:28.725 INFO kablam!     |
Nov 03 22:54:28.725 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 03 22:54:28.725 INFO kablam! 
Nov 03 22:54:28.763 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
Nov 03 22:54:28.763 INFO kablam! su: No module specific data is present
Nov 03 22:54:29.253 INFO running `"docker" "rm" "-f" "a7d8ba4beabdbc5fb645c83f674c7782caea3d364494ef4411157860cfb72075"`
Nov 03 22:54:29.395 INFO blam! a7d8ba4beabdbc5fb645c83f674c7782caea3d364494ef4411157860cfb72075