Nov 09 05:01:39.664 INFO checking slavovojacek/8QP_rust against try#dc13be39fae8d4c607889b27de374b52586485a3 for pr-55632
Nov 09 05:01:39.664 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-6/try#dc13be39fae8d4c607889b27de374b52586485a3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55632/try#dc13be39fae8d4c607889b27de374b52586485a3:/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 +dc13be39fae8d4c607889b27de374b52586485a3-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 09 05:01:40.107 INFO blam! dfd1a81b44d07ff3c5bdd0c2f7803571bc6943b7da298cfde2236038c95349ef
Nov 09 05:01:40.113 INFO running `"docker" "start" "-a" "dfd1a81b44d07ff3c5bdd0c2f7803571bc6943b7da298cfde2236038c95349ef"`
Nov 09 05:01:41.250 INFO kablam! usermod: no changes
Nov 09 05:01:41.323 INFO kablam!     Checking libc v0.2.23
Nov 09 05:01:42.055 INFO kablam!     Checking rand v0.3.15
Nov 09 05:01:43.403 INFO kablam!     Checking eight_queen_problem v0.1.0 (/source)
Nov 09 05:01:43.679 INFO kablam! warning: value assigned to `empty_squares` is never read
Nov 09 05:01:43.679 INFO kablam!   --> src/main.rs:20:13
Nov 09 05:01:43.679 INFO kablam!    |
Nov 09 05:01:43.679 INFO kablam! 20 |     let mut empty_squares: Vec<Position> = Vec::new();
Nov 09 05:01:43.679 INFO kablam!    |             ^^^^^^^^^^^^^
Nov 09 05:01:43.679 INFO kablam!    |
Nov 09 05:01:43.679 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Nov 09 05:01:43.679 INFO kablam! 
Nov 09 05:01:43.679 INFO kablam! warning: unused variable: `r`
Nov 09 05:01:43.679 INFO kablam!    --> src/main.rs:113:33
Nov 09 05:01:43.679 INFO kablam!     |
Nov 09 05:01:43.679 INFO kablam! 113 | fn fill_col(board: &mut Board, (r, c): Position) -> Result<(), Position> {
Nov 09 05:01:43.679 INFO kablam!     |                                 ^ help: consider using `_r` instead
Nov 09 05:01:43.679 INFO kablam!     |
Nov 09 05:01:43.679 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 09 05:01:43.679 INFO kablam! 
Nov 09 05:01:43.705 INFO kablam! warning: value assigned to `empty_squares` is never read
Nov 09 05:01:43.705 INFO kablam!   --> src/main.rs:20:13
Nov 09 05:01:43.705 INFO kablam!    |
Nov 09 05:01:43.705 INFO kablam! 20 |     let mut empty_squares: Vec<Position> = Vec::new();
Nov 09 05:01:43.705 INFO kablam!    |             ^^^^^^^^^^^^^
Nov 09 05:01:43.705 INFO kablam!    |
Nov 09 05:01:43.705 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Nov 09 05:01:43.706 INFO kablam! 
Nov 09 05:01:43.706 INFO kablam! warning: unused variable: `r`
Nov 09 05:01:43.706 INFO kablam!    --> src/main.rs:113:33
Nov 09 05:01:43.706 INFO kablam!     |
Nov 09 05:01:43.706 INFO kablam! 113 | fn fill_col(board: &mut Board, (r, c): Position) -> Result<(), Position> {
Nov 09 05:01:43.706 INFO kablam!     |                                 ^ help: consider using `_r` instead
Nov 09 05:01:43.706 INFO kablam!     |
Nov 09 05:01:43.706 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 09 05:01:43.706 INFO kablam! 
Nov 09 05:01:43.747 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.47s
Nov 09 05:01:43.751 INFO kablam! su: No module specific data is present
Nov 09 05:01:44.315 INFO running `"docker" "rm" "-f" "dfd1a81b44d07ff3c5bdd0c2f7803571bc6943b7da298cfde2236038c95349ef"`
Nov 09 05:01:44.479 INFO blam! dfd1a81b44d07ff3c5bdd0c2f7803571bc6943b7da298cfde2236038c95349ef