Nov 16 13:06:18.784 INFO testing slavovojacek/8QP_rust against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 16 13:06:18.784 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 16 13:06:19.049 INFO [stdout] a5e2003ea68df7f15ac228364a386a4e6873e53f8a3bd22d5d46eb4a2d123281
Nov 16 13:06:19.055 INFO running `"docker" "start" "-a" "a5e2003ea68df7f15ac228364a386a4e6873e53f8a3bd22d5d46eb4a2d123281"`
Nov 16 13:06:19.713 INFO [stderr] usermod: no changes
Nov 16 13:06:19.752 INFO [stderr]    Compiling eight_queen_problem v0.1.0 (/source)
Nov 16 13:06:20.004 INFO [stderr] warning: value assigned to `empty_squares` is never read
Nov 16 13:06:20.004 INFO [stderr]   --> src/main.rs:20:13
Nov 16 13:06:20.005 INFO [stderr]    |
Nov 16 13:06:20.005 INFO [stderr] 20 |     let mut empty_squares: Vec<Position> = Vec::new();
Nov 16 13:06:20.005 INFO [stderr]    |             ^^^^^^^^^^^^^
Nov 16 13:06:20.005 INFO [stderr]    |
Nov 16 13:06:20.005 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 16 13:06:20.005 INFO [stderr] 
Nov 16 13:06:20.007 INFO [stderr] warning: unused variable: `r`
Nov 16 13:06:20.007 INFO [stderr]    --> src/main.rs:113:33
Nov 16 13:06:20.007 INFO [stderr]     |
Nov 16 13:06:20.007 INFO [stderr] 113 | fn fill_col(board: &mut Board, (r, c): Position) -> Result<(), Position> {
Nov 16 13:06:20.007 INFO [stderr]     |                                 ^ help: consider using `_r` instead
Nov 16 13:06:20.007 INFO [stderr]     |
Nov 16 13:06:20.007 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 16 13:06:20.007 INFO [stderr] 
Nov 16 13:06:20.524 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
Nov 16 13:06:20.527 INFO [stderr] su: No module specific data is present
Nov 16 13:06:20.967 INFO running `"docker" "inspect" "a5e2003ea68df7f15ac228364a386a4e6873e53f8a3bd22d5d46eb4a2d123281"`
Nov 16 13:06:21.167 INFO running `"docker" "rm" "-f" "a5e2003ea68df7f15ac228364a386a4e6873e53f8a3bd22d5d46eb4a2d123281"`
Nov 16 13:06:21.490 INFO [stdout] a5e2003ea68df7f15ac228364a386a4e6873e53f8a3bd22d5d46eb4a2d123281
Nov 16 13:06:21.496 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 16 13:06:21.839 INFO [stdout] 15b2a52ce842837aea0b562539b6142ac17ac8160edb08a611d4a249e90198ba
Nov 16 13:06:21.845 INFO running `"docker" "start" "-a" "15b2a52ce842837aea0b562539b6142ac17ac8160edb08a611d4a249e90198ba"`
Nov 16 13:06:22.760 INFO [stderr] usermod: no changes
Nov 16 13:06:22.794 INFO [stderr]    Compiling eight_queen_problem v0.1.0 (/source)
Nov 16 13:06:23.031 INFO [stderr] warning: value assigned to `empty_squares` is never read
Nov 16 13:06:23.031 INFO [stderr]   --> src/main.rs:20:13
Nov 16 13:06:23.031 INFO [stderr]    |
Nov 16 13:06:23.031 INFO [stderr] 20 |     let mut empty_squares: Vec<Position> = Vec::new();
Nov 16 13:06:23.031 INFO [stderr]    |             ^^^^^^^^^^^^^
Nov 16 13:06:23.031 INFO [stderr]    |
Nov 16 13:06:23.031 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 16 13:06:23.031 INFO [stderr] 
Nov 16 13:06:23.031 INFO [stderr] warning: unused variable: `r`
Nov 16 13:06:23.031 INFO [stderr]    --> src/main.rs:113:33
Nov 16 13:06:23.031 INFO [stderr]     |
Nov 16 13:06:23.031 INFO [stderr] 113 | fn fill_col(board: &mut Board, (r, c): Position) -> Result<(), Position> {
Nov 16 13:06:23.031 INFO [stderr]     |                                 ^ help: consider using `_r` instead
Nov 16 13:06:23.031 INFO [stderr]     |
Nov 16 13:06:23.031 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 16 13:06:23.031 INFO [stderr] 
Nov 16 13:06:23.296 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
Nov 16 13:06:23.299 INFO [stderr] su: No module specific data is present
Nov 16 13:06:23.781 INFO running `"docker" "inspect" "15b2a52ce842837aea0b562539b6142ac17ac8160edb08a611d4a249e90198ba"`
Nov 16 13:06:23.913 INFO running `"docker" "rm" "-f" "15b2a52ce842837aea0b562539b6142ac17ac8160edb08a611d4a249e90198ba"`
Nov 16 13:06:24.129 INFO [stdout] 15b2a52ce842837aea0b562539b6142ac17ac8160edb08a611d4a249e90198ba
Nov 16 13:06:24.139 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 16 13:06:24.547 INFO [stdout] bbeb4c715c9fea8bbd438eaa08e8983c8bc32027955648a57e8d75e4d6631f49
Nov 16 13:06:24.553 INFO running `"docker" "start" "-a" "bbeb4c715c9fea8bbd438eaa08e8983c8bc32027955648a57e8d75e4d6631f49"`
Nov 16 13:06:25.499 INFO [stderr] usermod: no changes
Nov 16 13:06:25.583 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Nov 16 13:06:25.583 INFO [stderr]      Running /target/debug/deps/eight_queen_problem-1bfa45d56bb6d35e
Nov 16 13:06:25.584 INFO [stdout] 
Nov 16 13:06:25.584 INFO [stdout] running 0 tests
Nov 16 13:06:25.584 INFO [stdout] 
Nov 16 13:06:25.584 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 13:06:25.584 INFO [stdout] 
Nov 16 13:06:25.590 INFO [stderr] su: No module specific data is present
Nov 16 13:06:26.195 INFO running `"docker" "inspect" "bbeb4c715c9fea8bbd438eaa08e8983c8bc32027955648a57e8d75e4d6631f49"`
Nov 16 13:06:26.518 INFO running `"docker" "rm" "-f" "bbeb4c715c9fea8bbd438eaa08e8983c8bc32027955648a57e8d75e4d6631f49"`
Nov 16 13:06:26.791 INFO [stdout] bbeb4c715c9fea8bbd438eaa08e8983c8bc32027955648a57e8d75e4d6631f49