Nov 09 14:15:20.132 INFO checking ddefrenne/battleship against try#dc13be39fae8d4c607889b27de374b52586485a3 for pr-55632
Nov 09 14:15:20.132 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-5/try#dc13be39fae8d4c607889b27de374b52586485a3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 14:15:20.519 INFO blam! 695cf413d0b54d33bef05f8250874bdc69f3b7a61180020e16234ab83cbbd56b
Nov 09 14:15:20.531 INFO running `"docker" "start" "-a" "695cf413d0b54d33bef05f8250874bdc69f3b7a61180020e16234ab83cbbd56b"`
Nov 09 14:15:21.303 INFO kablam! usermod: no changes
Nov 09 14:15:21.332 INFO kablam!     Checking battleship v0.1.0 (/source)
Nov 09 14:15:21.696 INFO kablam! warning: unnecessary parentheses around `for` head expression
Nov 09 14:15:21.697 INFO kablam!   --> src/main.rs:19:19
Nov 09 14:15:21.697 INFO kablam!    |
Nov 09 14:15:21.698 INFO kablam! 19 |     for column in (1..amount_of_columns + 1) {
Nov 09 14:15:21.698 INFO kablam!    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 09 14:15:21.698 INFO kablam!    |
Nov 09 14:15:21.699 INFO kablam!    = note: #[warn(unused_parens)] on by default
Nov 09 14:15:21.699 INFO kablam! 
Nov 09 14:15:21.740 INFO kablam! warning: unused variable: `grid`
Nov 09 14:15:21.741 INFO kablam!  --> src/main.rs:5:9
Nov 09 14:15:21.741 INFO kablam!   |
Nov 09 14:15:21.741 INFO kablam! 5 |     let grid = build_grid(&rows, amount_of_columns);
Nov 09 14:15:21.742 INFO kablam!   |         ^^^^ help: consider using `_grid` instead
Nov 09 14:15:21.742 INFO kablam!   |
Nov 09 14:15:21.742 INFO kablam!   = note: #[warn(unused_variables)] on by default
Nov 09 14:15:21.743 INFO kablam! 
Nov 09 14:15:21.743 INFO kablam! warning: unused variable: `rows`
Nov 09 14:15:21.743 INFO kablam!  --> src/main.rs:8:15
Nov 09 14:15:21.743 INFO kablam!   |
Nov 09 14:15:21.744 INFO kablam! 8 | fn build_grid(rows: &[char; 10], amount_of_columns: i32) {
Nov 09 14:15:21.744 INFO kablam!   |               ^^^^ help: consider using `_rows` instead
Nov 09 14:15:21.744 INFO kablam! 
Nov 09 14:15:21.744 INFO kablam! warning: unnecessary parentheses around `for` head expression
Nov 09 14:15:21.745 INFO kablam!   --> src/main.rs:19:19
Nov 09 14:15:21.745 INFO kablam!    |
Nov 09 14:15:21.745 INFO kablam! 19 |     for column in (1..amount_of_columns + 1) {
Nov 09 14:15:21.745 INFO kablam!    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 09 14:15:21.746 INFO kablam!    |
Nov 09 14:15:21.746 INFO kablam!    = note: #[warn(unused_parens)] on by default
Nov 09 14:15:21.746 INFO kablam! 
Nov 09 14:15:21.781 INFO kablam! warning: unused variable: `grid`
Nov 09 14:15:21.781 INFO kablam!  --> src/main.rs:5:9
Nov 09 14:15:21.781 INFO kablam!   |
Nov 09 14:15:21.782 INFO kablam! 5 |     let grid = build_grid(&rows, amount_of_columns);
Nov 09 14:15:21.782 INFO kablam!   |         ^^^^ help: consider using `_grid` instead
Nov 09 14:15:21.782 INFO kablam!   |
Nov 09 14:15:21.783 INFO kablam!   = note: #[warn(unused_variables)] on by default
Nov 09 14:15:21.783 INFO kablam! 
Nov 09 14:15:21.783 INFO kablam! warning: unused variable: `rows`
Nov 09 14:15:21.783 INFO kablam!  --> src/main.rs:8:15
Nov 09 14:15:21.784 INFO kablam!   |
Nov 09 14:15:21.784 INFO kablam! 8 | fn build_grid(rows: &[char; 10], amount_of_columns: i32) {
Nov 09 14:15:21.784 INFO kablam!   |               ^^^^ help: consider using `_rows` instead
Nov 09 14:15:21.784 INFO kablam! 
Nov 09 14:15:21.815 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
Nov 09 14:15:21.815 INFO kablam! su: No module specific data is present
Nov 09 14:15:22.124 INFO running `"docker" "rm" "-f" "695cf413d0b54d33bef05f8250874bdc69f3b7a61180020e16234ab83cbbd56b"`
Nov 09 14:15:22.199 INFO blam! 695cf413d0b54d33bef05f8250874bdc69f3b7a61180020e16234ab83cbbd56b