Oct 26 20:42:32.816 INFO checking slavovojacek/8QP_rust against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192-2
Oct 26 20:42:32.816 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-1/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-55192-2/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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 26 20:42:33.248 INFO blam! be6e1e6e4dd78e3be171920681be09d1907c7b143f3fe04daaa60b148f616176
Oct 26 20:42:33.251 INFO running `"docker" "start" "-a" "be6e1e6e4dd78e3be171920681be09d1907c7b143f3fe04daaa60b148f616176"`
Oct 26 20:42:34.588 INFO kablam! usermod: no changes
Oct 26 20:42:34.651 INFO kablam!     Checking libc v0.2.23
Oct 26 20:42:35.627 INFO kablam!     Checking rand v0.3.15
Oct 26 20:42:36.847 INFO kablam!     Checking eight_queen_problem v0.1.0 (/source)
Oct 26 20:42:37.176 INFO kablam! warning: value assigned to `empty_squares` is never read
Oct 26 20:42:37.176 INFO kablam!   --> src/main.rs:20:13
Oct 26 20:42:37.177 INFO kablam!    |
Oct 26 20:42:37.177 INFO kablam! 20 |     let mut empty_squares: Vec<Position> = Vec::new();
Oct 26 20:42:37.178 INFO kablam!    |             ^^^^^^^^^^^^^
Oct 26 20:42:37.178 INFO kablam!    |
Oct 26 20:42:37.178 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 26 20:42:37.178 INFO kablam! 
Oct 26 20:42:37.179 INFO kablam! warning: unused variable: `r`
Oct 26 20:42:37.179 INFO kablam!    --> src/main.rs:113:33
Oct 26 20:42:37.179 INFO kablam!     |
Oct 26 20:42:37.179 INFO kablam! 113 | fn fill_col(board: &mut Board, (r, c): Position) -> Result<(), Position> {
Oct 26 20:42:37.180 INFO kablam!     |                                 ^ help: consider using `_r` instead
Oct 26 20:42:37.180 INFO kablam!     |
Oct 26 20:42:37.187 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 26 20:42:37.187 INFO kablam! 
Oct 26 20:42:37.214 INFO kablam! warning: value assigned to `empty_squares` is never read
Oct 26 20:42:37.215 INFO kablam!   --> src/main.rs:20:13
Oct 26 20:42:37.215 INFO kablam!    |
Oct 26 20:42:37.215 INFO kablam! 20 |     let mut empty_squares: Vec<Position> = Vec::new();
Oct 26 20:42:37.216 INFO kablam!    |             ^^^^^^^^^^^^^
Oct 26 20:42:37.216 INFO kablam!    |
Oct 26 20:42:37.216 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 26 20:42:37.217 INFO kablam! 
Oct 26 20:42:37.217 INFO kablam! warning: unused variable: `r`
Oct 26 20:42:37.218 INFO kablam!    --> src/main.rs:113:33
Oct 26 20:42:37.218 INFO kablam!     |
Oct 26 20:42:37.218 INFO kablam! 113 | fn fill_col(board: &mut Board, (r, c): Position) -> Result<(), Position> {
Oct 26 20:42:37.219 INFO kablam!     |                                 ^ help: consider using `_r` instead
Oct 26 20:42:37.219 INFO kablam!     |
Oct 26 20:42:37.219 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 26 20:42:37.220 INFO kablam! 
Oct 26 20:42:37.273 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.65s
Oct 26 20:42:37.279 INFO kablam! su: No module specific data is present
Oct 26 20:42:37.651 INFO running `"docker" "rm" "-f" "be6e1e6e4dd78e3be171920681be09d1907c7b143f3fe04daaa60b148f616176"`
Oct 26 20:42:37.815 INFO blam! be6e1e6e4dd78e3be171920681be09d1907c7b143f3fe04daaa60b148f616176