Dec 05 07:06:37.214 INFO testing slavovojacek/8QP_rust against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 07:06:37.214 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-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"`
Dec 05 07:06:37.784 INFO [stdout] 9f6ad4714eb09ef302c71acf9a6981a9d4c4d55dacd138ba8ea64b04c1cfe73c
Dec 05 07:06:37.788 INFO running `"docker" "start" "-a" "9f6ad4714eb09ef302c71acf9a6981a9d4c4d55dacd138ba8ea64b04c1cfe73c"`
Dec 05 07:06:38.908 INFO [stderr] usermod: no changes
Dec 05 07:06:38.996 INFO [stderr]    Compiling eight_queen_problem v0.1.0 (/source)
Dec 05 07:06:39.332 INFO [stderr] warning: value assigned to `empty_squares` is never read
Dec 05 07:06:39.332 INFO [stderr]   --> src/main.rs:20:13
Dec 05 07:06:39.332 INFO [stderr]    |
Dec 05 07:06:39.332 INFO [stderr] 20 |     let mut empty_squares: Vec<Position> = Vec::new();
Dec 05 07:06:39.332 INFO [stderr]    |             ^^^^^^^^^^^^^
Dec 05 07:06:39.332 INFO [stderr]    |
Dec 05 07:06:39.332 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 05 07:06:39.332 INFO [stderr] 
Dec 05 07:06:39.332 INFO [stderr] warning: unused variable: `r`
Dec 05 07:06:39.332 INFO [stderr]    --> src/main.rs:113:33
Dec 05 07:06:39.332 INFO [stderr]     |
Dec 05 07:06:39.332 INFO [stderr] 113 | fn fill_col(board: &mut Board, (r, c): Position) -> Result<(), Position> {
Dec 05 07:06:39.332 INFO [stderr]     |                                 ^ help: consider using `_r` instead
Dec 05 07:06:39.332 INFO [stderr]     |
Dec 05 07:06:39.332 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 05 07:06:39.332 INFO [stderr] 
Dec 05 07:06:40.274 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
Dec 05 07:06:40.277 INFO [stderr] su: No module specific data is present
Dec 05 07:06:40.933 INFO running `"docker" "inspect" "9f6ad4714eb09ef302c71acf9a6981a9d4c4d55dacd138ba8ea64b04c1cfe73c"`
Dec 05 07:06:41.150 INFO running `"docker" "rm" "-f" "9f6ad4714eb09ef302c71acf9a6981a9d4c4d55dacd138ba8ea64b04c1cfe73c"`
Dec 05 07:06:41.478 INFO [stdout] 9f6ad4714eb09ef302c71acf9a6981a9d4c4d55dacd138ba8ea64b04c1cfe73c
Dec 05 07:06:41.482 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-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"`
Dec 05 07:06:41.905 INFO [stdout] 4d6ec47fc62c829913d1d72d3e1248abb0f6b19f8378d45a129cc0fd8ae96208
Dec 05 07:06:41.912 INFO running `"docker" "start" "-a" "4d6ec47fc62c829913d1d72d3e1248abb0f6b19f8378d45a129cc0fd8ae96208"`
Dec 05 07:06:43.112 INFO [stderr] usermod: no changes
Dec 05 07:06:43.185 INFO [stderr]    Compiling eight_queen_problem v0.1.0 (/source)
Dec 05 07:06:43.471 INFO [stderr] warning: value assigned to `empty_squares` is never read
Dec 05 07:06:43.471 INFO [stderr]   --> src/main.rs:20:13
Dec 05 07:06:43.471 INFO [stderr]    |
Dec 05 07:06:43.471 INFO [stderr] 20 |     let mut empty_squares: Vec<Position> = Vec::new();
Dec 05 07:06:43.471 INFO [stderr]    |             ^^^^^^^^^^^^^
Dec 05 07:06:43.471 INFO [stderr]    |
Dec 05 07:06:43.471 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 05 07:06:43.471 INFO [stderr] 
Dec 05 07:06:43.471 INFO [stderr] warning: unused variable: `r`
Dec 05 07:06:43.471 INFO [stderr]    --> src/main.rs:113:33
Dec 05 07:06:43.471 INFO [stderr]     |
Dec 05 07:06:43.471 INFO [stderr] 113 | fn fill_col(board: &mut Board, (r, c): Position) -> Result<(), Position> {
Dec 05 07:06:43.471 INFO [stderr]     |                                 ^ help: consider using `_r` instead
Dec 05 07:06:43.471 INFO [stderr]     |
Dec 05 07:06:43.471 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 05 07:06:43.471 INFO [stderr] 
Dec 05 07:06:43.901 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
Dec 05 07:06:43.904 INFO [stderr] su: No module specific data is present
Dec 05 07:06:44.702 INFO running `"docker" "inspect" "4d6ec47fc62c829913d1d72d3e1248abb0f6b19f8378d45a129cc0fd8ae96208"`
Dec 05 07:06:45.050 INFO running `"docker" "rm" "-f" "4d6ec47fc62c829913d1d72d3e1248abb0f6b19f8378d45a129cc0fd8ae96208"`
Dec 05 07:06:45.361 INFO [stdout] 4d6ec47fc62c829913d1d72d3e1248abb0f6b19f8378d45a129cc0fd8ae96208
Dec 05 07:06:45.368 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen" "-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"`
Dec 05 07:06:45.933 INFO [stdout] dc31c9aa12a1c3d6965300f6ef8ccf533815c2df2d4c5a16c3dbb70dd1fc3538
Dec 05 07:06:45.935 INFO running `"docker" "start" "-a" "dc31c9aa12a1c3d6965300f6ef8ccf533815c2df2d4c5a16c3dbb70dd1fc3538"`
Dec 05 07:06:47.590 INFO [stderr] usermod: no changes
Dec 05 07:06:47.664 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 05 07:06:47.664 INFO [stderr]      Running /target/debug/deps/eight_queen_problem-2001a2bfe95c9589
Dec 05 07:06:47.668 INFO [stderr] su: No module specific data is present
Dec 05 07:06:47.668 INFO [stdout] 
Dec 05 07:06:47.668 INFO [stdout] running 0 tests
Dec 05 07:06:47.668 INFO [stdout] 
Dec 05 07:06:47.668 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 07:06:47.668 INFO [stdout] 
Dec 05 07:06:48.552 INFO running `"docker" "inspect" "dc31c9aa12a1c3d6965300f6ef8ccf533815c2df2d4c5a16c3dbb70dd1fc3538"`
Dec 05 07:06:48.820 INFO running `"docker" "rm" "-f" "dc31c9aa12a1c3d6965300f6ef8ccf533815c2df2d4c5a16c3dbb70dd1fc3538"`
Dec 05 07:06:49.096 INFO [stdout] dc31c9aa12a1c3d6965300f6ef8ccf533815c2df2d4c5a16c3dbb70dd1fc3538