Nov 06 13:50:53.895 INFO checking slavovojacek/8QP_rust against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 06 13:50:53.896 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-3/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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 06 13:50:54.432 INFO blam! 8161b4eec0d928776d1bec569607a7af2af2ac9bc9892849fde2ba114cdc61f3
Nov 06 13:50:54.432 INFO running `"docker" "start" "-a" "8161b4eec0d928776d1bec569607a7af2af2ac9bc9892849fde2ba114cdc61f3"`
Nov 06 13:50:55.468 INFO kablam! usermod: no changes
Nov 06 13:50:55.524 INFO kablam!     Checking eight_queen_problem v0.1.0 (/source)
Nov 06 13:50:55.864 INFO kablam! warning: value assigned to `empty_squares` is never read
Nov 06 13:50:55.864 INFO kablam!   --> src/main.rs:20:13
Nov 06 13:50:55.864 INFO kablam!    |
Nov 06 13:50:55.864 INFO kablam! 20 |     let mut empty_squares: Vec<Position> = Vec::new();
Nov 06 13:50:55.864 INFO kablam!    |             ^^^^^^^^^^^^^
Nov 06 13:50:55.864 INFO kablam!    |
Nov 06 13:50:55.864 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Nov 06 13:50:55.864 INFO kablam! 
Nov 06 13:50:55.864 INFO kablam! warning: unused variable: `r`
Nov 06 13:50:55.864 INFO kablam!    --> src/main.rs:113:33
Nov 06 13:50:55.864 INFO kablam!     |
Nov 06 13:50:55.864 INFO kablam! 113 | fn fill_col(board: &mut Board, (r, c): Position) -> Result<(), Position> {
Nov 06 13:50:55.864 INFO kablam!     |                                 ^ help: consider using `_r` instead
Nov 06 13:50:55.864 INFO kablam!     |
Nov 06 13:50:55.864 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 06 13:50:55.864 INFO kablam! 
Nov 06 13:50:55.936 INFO kablam! warning: value assigned to `empty_squares` is never read
Nov 06 13:50:55.936 INFO kablam!   --> src/main.rs:20:13
Nov 06 13:50:55.936 INFO kablam!    |
Nov 06 13:50:55.936 INFO kablam! 20 |     let mut empty_squares: Vec<Position> = Vec::new();
Nov 06 13:50:55.936 INFO kablam!    |             ^^^^^^^^^^^^^
Nov 06 13:50:55.936 INFO kablam!    |
Nov 06 13:50:55.936 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Nov 06 13:50:55.936 INFO kablam! 
Nov 06 13:50:55.936 INFO kablam! warning: unused variable: `r`
Nov 06 13:50:55.936 INFO kablam!    --> src/main.rs:113:33
Nov 06 13:50:55.936 INFO kablam!     |
Nov 06 13:50:55.936 INFO kablam! 113 | fn fill_col(board: &mut Board, (r, c): Position) -> Result<(), Position> {
Nov 06 13:50:55.936 INFO kablam!     |                                 ^ help: consider using `_r` instead
Nov 06 13:50:55.936 INFO kablam!     |
Nov 06 13:50:55.936 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 06 13:50:55.936 INFO kablam! 
Nov 06 13:50:56.004 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
Nov 06 13:50:56.012 INFO kablam! su: No module specific data is present
Nov 06 13:50:56.621 INFO running `"docker" "rm" "-f" "8161b4eec0d928776d1bec569607a7af2af2ac9bc9892849fde2ba114cdc61f3"`
Nov 06 13:50:56.900 INFO blam! 8161b4eec0d928776d1bec569607a7af2af2ac9bc9892849fde2ba114cdc61f3