Nov 02 06:23:11.314 INFO checking slavovojacek/8QP_rust against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 06:23:11.314 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-4/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 02 06:23:11.714 INFO blam! 481376a8dc1c0889d7ed2dd7b5cca95651807eaa560a658de88561f2a26a6789
Nov 02 06:23:11.715 INFO running `"docker" "start" "-a" "481376a8dc1c0889d7ed2dd7b5cca95651807eaa560a658de88561f2a26a6789"`
Nov 02 06:23:13.256 INFO kablam! usermod: no changes
Nov 02 06:23:13.326 INFO kablam!     Checking eight_queen_problem v0.1.0 (/source)
Nov 02 06:23:13.784 INFO kablam! warning: value assigned to `empty_squares` is never read
Nov 02 06:23:13.784 INFO kablam!   --> src/main.rs:20:13
Nov 02 06:23:13.784 INFO kablam!    |
Nov 02 06:23:13.784 INFO kablam! 20 |     let mut empty_squares: Vec<Position> = Vec::new();
Nov 02 06:23:13.784 INFO kablam!    |             ^^^^^^^^^^^^^
Nov 02 06:23:13.784 INFO kablam!    |
Nov 02 06:23:13.784 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Nov 02 06:23:13.784 INFO kablam! 
Nov 02 06:23:13.784 INFO kablam! warning: unused variable: `r`
Nov 02 06:23:13.784 INFO kablam!    --> src/main.rs:113:33
Nov 02 06:23:13.784 INFO kablam!     |
Nov 02 06:23:13.784 INFO kablam! 113 | fn fill_col(board: &mut Board, (r, c): Position) -> Result<(), Position> {
Nov 02 06:23:13.784 INFO kablam!     |                                 ^ help: consider using `_r` instead
Nov 02 06:23:13.784 INFO kablam!     |
Nov 02 06:23:13.784 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 02 06:23:13.784 INFO kablam! 
Nov 02 06:23:13.956 INFO kablam! warning: value assigned to `empty_squares` is never read
Nov 02 06:23:13.956 INFO kablam!   --> src/main.rs:20:13
Nov 02 06:23:13.956 INFO kablam!    |
Nov 02 06:23:13.956 INFO kablam! 20 |     let mut empty_squares: Vec<Position> = Vec::new();
Nov 02 06:23:13.956 INFO kablam!    |             ^^^^^^^^^^^^^
Nov 02 06:23:13.956 INFO kablam!    |
Nov 02 06:23:13.956 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Nov 02 06:23:13.956 INFO kablam! 
Nov 02 06:23:13.956 INFO kablam! warning: unused variable: `r`
Nov 02 06:23:13.956 INFO kablam!    --> src/main.rs:113:33
Nov 02 06:23:13.957 INFO kablam!     |
Nov 02 06:23:13.957 INFO kablam! 113 | fn fill_col(board: &mut Board, (r, c): Position) -> Result<(), Position> {
Nov 02 06:23:13.957 INFO kablam!     |                                 ^ help: consider using `_r` instead
Nov 02 06:23:13.957 INFO kablam!     |
Nov 02 06:23:13.957 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 02 06:23:13.957 INFO kablam! 
Nov 02 06:23:14.044 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Nov 02 06:23:14.052 INFO kablam! su: No module specific data is present
Nov 02 06:23:14.858 INFO running `"docker" "rm" "-f" "481376a8dc1c0889d7ed2dd7b5cca95651807eaa560a658de88561f2a26a6789"`
Nov 02 06:23:15.108 INFO blam! 481376a8dc1c0889d7ed2dd7b5cca95651807eaa560a658de88561f2a26a6789