Dec 13 21:53:27.407 INFO testing ddefrenne/battleship against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 21:53:27.407 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 21:53:27.582 INFO [stdout] e63be25196f066cc5dadff3061dcae0527a2d70ce2e8ef90a42b3308d27b0fee
Dec 13 21:53:27.583 INFO running `"docker" "start" "-a" "e63be25196f066cc5dadff3061dcae0527a2d70ce2e8ef90a42b3308d27b0fee"`
Dec 13 21:53:28.202 INFO [stderr] usermod: no changes
Dec 13 21:53:28.202 INFO [stderr]    Compiling battleship v0.1.0 (/source)
Dec 13 21:53:28.431 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 13 21:53:28.432 INFO [stderr]   --> src/main.rs:19:19
Dec 13 21:53:28.432 INFO [stderr]    |
Dec 13 21:53:28.432 INFO [stderr] 19 |     for column in (1..amount_of_columns + 1) {
Dec 13 21:53:28.432 INFO [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 13 21:53:28.432 INFO [stderr]    |
Dec 13 21:53:28.432 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 13 21:53:28.432 INFO [stderr] 
Dec 13 21:53:28.432 INFO [stderr] warning: unused variable: `grid`
Dec 13 21:53:28.488 INFO [stderr]  --> src/main.rs:5:9
Dec 13 21:53:28.488 INFO [stderr]   |
Dec 13 21:53:28.488 INFO [stderr] 5 |     let grid = build_grid(&rows, amount_of_columns);
Dec 13 21:53:28.488 INFO [stderr]   |         ^^^^ help: consider using `_grid` instead
Dec 13 21:53:28.488 INFO [stderr]   |
Dec 13 21:53:28.488 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 13 21:53:28.488 INFO [stderr] 
Dec 13 21:53:28.488 INFO [stderr] warning: unused variable: `rows`
Dec 13 21:53:28.488 INFO [stderr]  --> src/main.rs:8:15
Dec 13 21:53:28.488 INFO [stderr]   |
Dec 13 21:53:28.488 INFO [stderr] 8 | fn build_grid(rows: &[char; 10], amount_of_columns: i32) {
Dec 13 21:53:28.488 INFO [stderr]   |               ^^^^ help: consider using `_rows` instead
Dec 13 21:53:28.488 INFO [stderr] 
Dec 13 21:53:28.849 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
Dec 13 21:53:28.849 INFO [stderr] su: No module specific data is present
Dec 13 21:53:29.208 INFO running `"docker" "inspect" "e63be25196f066cc5dadff3061dcae0527a2d70ce2e8ef90a42b3308d27b0fee"`
Dec 13 21:53:29.380 INFO running `"docker" "rm" "-f" "e63be25196f066cc5dadff3061dcae0527a2d70ce2e8ef90a42b3308d27b0fee"`
Dec 13 21:53:29.559 INFO [stdout] e63be25196f066cc5dadff3061dcae0527a2d70ce2e8ef90a42b3308d27b0fee
Dec 13 21:53:29.560 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 21:53:29.792 INFO [stdout] 96ffd9d6323462f1546161ad788880c4a6578f2fbd5828e266a46ad7b3d0282c
Dec 13 21:53:29.793 INFO running `"docker" "start" "-a" "96ffd9d6323462f1546161ad788880c4a6578f2fbd5828e266a46ad7b3d0282c"`
Dec 13 21:53:30.294 INFO [stderr] usermod: no changes
Dec 13 21:53:30.339 INFO [stderr]    Compiling battleship v0.1.0 (/source)
Dec 13 21:53:30.729 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 13 21:53:30.729 INFO [stderr]   --> src/main.rs:19:19
Dec 13 21:53:30.729 INFO [stderr]    |
Dec 13 21:53:30.729 INFO [stderr] 19 |     for column in (1..amount_of_columns + 1) {
Dec 13 21:53:30.729 INFO [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 13 21:53:30.729 INFO [stderr]    |
Dec 13 21:53:30.729 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 13 21:53:30.729 INFO [stderr] 
Dec 13 21:53:30.759 INFO [stderr] warning: unused variable: `grid`
Dec 13 21:53:30.760 INFO [stderr]  --> src/main.rs:5:9
Dec 13 21:53:30.760 INFO [stderr]   |
Dec 13 21:53:30.760 INFO [stderr] 5 |     let grid = build_grid(&rows, amount_of_columns);
Dec 13 21:53:30.760 INFO [stderr]   |         ^^^^ help: consider using `_grid` instead
Dec 13 21:53:30.761 INFO [stderr]   |
Dec 13 21:53:30.761 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 13 21:53:30.761 INFO [stderr] 
Dec 13 21:53:30.761 INFO [stderr] warning: unused variable: `rows`
Dec 13 21:53:30.761 INFO [stderr]  --> src/main.rs:8:15
Dec 13 21:53:30.761 INFO [stderr]   |
Dec 13 21:53:30.761 INFO [stderr] 8 | fn build_grid(rows: &[char; 10], amount_of_columns: i32) {
Dec 13 21:53:30.761 INFO [stderr]   |               ^^^^ help: consider using `_rows` instead
Dec 13 21:53:30.761 INFO [stderr] 
Dec 13 21:53:31.042 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
Dec 13 21:53:31.046 INFO [stderr] su: No module specific data is present
Dec 13 21:53:31.761 INFO running `"docker" "inspect" "96ffd9d6323462f1546161ad788880c4a6578f2fbd5828e266a46ad7b3d0282c"`
Dec 13 21:53:31.879 INFO running `"docker" "rm" "-f" "96ffd9d6323462f1546161ad788880c4a6578f2fbd5828e266a46ad7b3d0282c"`
Dec 13 21:53:31.980 INFO [stdout] 96ffd9d6323462f1546161ad788880c4a6578f2fbd5828e266a46ad7b3d0282c
Dec 13 21:53:31.985 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 21:53:32.226 INFO [stdout] 0b28f2410a89247f579c80bc9193491cd98af75a39908838807641dc72b33795
Dec 13 21:53:32.228 INFO running `"docker" "start" "-a" "0b28f2410a89247f579c80bc9193491cd98af75a39908838807641dc72b33795"`
Dec 13 21:53:33.139 INFO [stderr] usermod: no changes
Dec 13 21:53:33.179 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 13 21:53:33.185 INFO [stderr]      Running /target/debug/deps/battleship-0434ec15a131dc4b
Dec 13 21:53:33.196 INFO [stdout] 
Dec 13 21:53:33.196 INFO [stdout] running 0 tests
Dec 13 21:53:33.196 INFO [stdout] 
Dec 13 21:53:33.196 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 21:53:33.196 INFO [stdout] 
Dec 13 21:53:33.209 INFO [stderr] su: No module specific data is present
Dec 13 21:53:33.929 INFO running `"docker" "inspect" "0b28f2410a89247f579c80bc9193491cd98af75a39908838807641dc72b33795"`
Dec 13 21:53:34.427 INFO running `"docker" "rm" "-f" "0b28f2410a89247f579c80bc9193491cd98af75a39908838807641dc72b33795"`
Dec 13 21:53:34.671 INFO [stdout] 0b28f2410a89247f579c80bc9193491cd98af75a39908838807641dc72b33795