Dec 06 02:07:01.194 INFO testing ddefrenne/battleship against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 06 02:07:01.194 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 06 02:07:01.391 INFO [stdout] 9f764f303ea9d2333f10221c6a251adf18a794887f4fbe524180ab912fc7be24
Dec 06 02:07:01.394 INFO running `"docker" "start" "-a" "9f764f303ea9d2333f10221c6a251adf18a794887f4fbe524180ab912fc7be24"`
Dec 06 02:07:01.861 INFO [stderr] usermod: no changes
Dec 06 02:07:01.916 INFO [stderr]    Compiling battleship v0.1.0 (/source)
Dec 06 02:07:02.189 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 06 02:07:02.189 INFO [stderr]   --> src/main.rs:19:19
Dec 06 02:07:02.189 INFO [stderr]    |
Dec 06 02:07:02.189 INFO [stderr] 19 |     for column in (1..amount_of_columns + 1) {
Dec 06 02:07:02.189 INFO [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 06 02:07:02.189 INFO [stderr]    |
Dec 06 02:07:02.189 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 06 02:07:02.189 INFO [stderr] 
Dec 06 02:07:02.218 INFO [stderr] warning: unused variable: `grid`
Dec 06 02:07:02.218 INFO [stderr]  --> src/main.rs:5:9
Dec 06 02:07:02.218 INFO [stderr]   |
Dec 06 02:07:02.218 INFO [stderr] 5 |     let grid = build_grid(&rows, amount_of_columns);
Dec 06 02:07:02.218 INFO [stderr]   |         ^^^^ help: consider using `_grid` instead
Dec 06 02:07:02.218 INFO [stderr]   |
Dec 06 02:07:02.219 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 06 02:07:02.219 INFO [stderr] 
Dec 06 02:07:02.219 INFO [stderr] warning: unused variable: `rows`
Dec 06 02:07:02.219 INFO [stderr]  --> src/main.rs:8:15
Dec 06 02:07:02.220 INFO [stderr]   |
Dec 06 02:07:02.220 INFO [stderr] 8 | fn build_grid(rows: &[char; 10], amount_of_columns: i32) {
Dec 06 02:07:02.220 INFO [stderr]   |               ^^^^ help: consider using `_rows` instead
Dec 06 02:07:02.220 INFO [stderr] 
Dec 06 02:07:02.562 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
Dec 06 02:07:02.565 INFO [stderr] su: No module specific data is present
Dec 06 02:07:03.030 INFO running `"docker" "inspect" "9f764f303ea9d2333f10221c6a251adf18a794887f4fbe524180ab912fc7be24"`
Dec 06 02:07:03.112 INFO running `"docker" "rm" "-f" "9f764f303ea9d2333f10221c6a251adf18a794887f4fbe524180ab912fc7be24"`
Dec 06 02:07:03.312 INFO [stdout] 9f764f303ea9d2333f10221c6a251adf18a794887f4fbe524180ab912fc7be24
Dec 06 02:07:03.314 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 06 02:07:03.455 INFO [stdout] b9371027b4e83b7b79be30bea918b63d9ab14e07f6218949b6e0a91147cb5d69
Dec 06 02:07:03.459 INFO running `"docker" "start" "-a" "b9371027b4e83b7b79be30bea918b63d9ab14e07f6218949b6e0a91147cb5d69"`
Dec 06 02:07:03.864 INFO [stderr] usermod: no changes
Dec 06 02:07:03.891 INFO [stderr]    Compiling battleship v0.1.0 (/source)
Dec 06 02:07:04.216 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 06 02:07:04.216 INFO [stderr]   --> src/main.rs:19:19
Dec 06 02:07:04.216 INFO [stderr]    |
Dec 06 02:07:04.216 INFO [stderr] 19 |     for column in (1..amount_of_columns + 1) {
Dec 06 02:07:04.216 INFO [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 06 02:07:04.216 INFO [stderr]    |
Dec 06 02:07:04.216 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 06 02:07:04.216 INFO [stderr] 
Dec 06 02:07:04.235 INFO [stderr] warning: unused variable: `grid`
Dec 06 02:07:04.235 INFO [stderr]  --> src/main.rs:5:9
Dec 06 02:07:04.235 INFO [stderr]   |
Dec 06 02:07:04.235 INFO [stderr] 5 |     let grid = build_grid(&rows, amount_of_columns);
Dec 06 02:07:04.235 INFO [stderr]   |         ^^^^ help: consider using `_grid` instead
Dec 06 02:07:04.235 INFO [stderr]   |
Dec 06 02:07:04.235 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 06 02:07:04.235 INFO [stderr] 
Dec 06 02:07:04.235 INFO [stderr] warning: unused variable: `rows`
Dec 06 02:07:04.235 INFO [stderr]  --> src/main.rs:8:15
Dec 06 02:07:04.235 INFO [stderr]   |
Dec 06 02:07:04.235 INFO [stderr] 8 | fn build_grid(rows: &[char; 10], amount_of_columns: i32) {
Dec 06 02:07:04.235 INFO [stderr]   |               ^^^^ help: consider using `_rows` instead
Dec 06 02:07:04.235 INFO [stderr] 
Dec 06 02:07:04.448 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
Dec 06 02:07:04.449 INFO [stderr] su: No module specific data is present
Dec 06 02:07:04.697 INFO running `"docker" "inspect" "b9371027b4e83b7b79be30bea918b63d9ab14e07f6218949b6e0a91147cb5d69"`
Dec 06 02:07:04.810 INFO running `"docker" "rm" "-f" "b9371027b4e83b7b79be30bea918b63d9ab14e07f6218949b6e0a91147cb5d69"`
Dec 06 02:07:04.939 INFO [stdout] b9371027b4e83b7b79be30bea918b63d9ab14e07f6218949b6e0a91147cb5d69
Dec 06 02:07:04.941 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 06 02:07:05.175 INFO [stdout] 076ed18f574e1ea2c5e91fda16ed80d3b44c5200199c3278349766b6d690297c
Dec 06 02:07:05.178 INFO running `"docker" "start" "-a" "076ed18f574e1ea2c5e91fda16ed80d3b44c5200199c3278349766b6d690297c"`
Dec 06 02:07:05.577 INFO [stderr] usermod: no changes
Dec 06 02:07:05.613 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 06 02:07:05.615 INFO [stderr]      Running /target/debug/deps/battleship-bdc36ef9ca246227
Dec 06 02:07:05.616 INFO [stdout] 
Dec 06 02:07:05.616 INFO [stdout] running 0 tests
Dec 06 02:07:05.616 INFO [stdout] 
Dec 06 02:07:05.616 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 02:07:05.616 INFO [stdout] 
Dec 06 02:07:05.618 INFO [stderr] su: No module specific data is present
Dec 06 02:07:05.950 INFO running `"docker" "inspect" "076ed18f574e1ea2c5e91fda16ed80d3b44c5200199c3278349766b6d690297c"`
Dec 06 02:07:06.104 INFO running `"docker" "rm" "-f" "076ed18f574e1ea2c5e91fda16ed80d3b44c5200199c3278349766b6d690297c"`
Dec 06 02:07:06.186 INFO [stdout] 076ed18f574e1ea2c5e91fda16ed80d3b44c5200199c3278349766b6d690297c