Sep 02 07:56:15.291 INFO checking matrix_display-0.2.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851 Sep 02 07:56:15.291 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets Sep 02 07:56:15.292 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-0/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Sep 02 07:56:15.534 INFO blam! 05d3950f08aa9687802442c72c66b654007745aed66de31ccb16a89aa2af2927 Sep 02 07:56:15.536 INFO running `"docker" "start" "-a" "05d3950f08aa9687802442c72c66b654007745aed66de31ccb16a89aa2af2927"` Sep 02 07:56:16.376 INFO kablam! Checking matrix_display v0.2.0 (file:///source) Sep 02 07:56:17.105 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used Sep 02 07:56:17.106 INFO kablam! --> src/lib.rs:258:9 Sep 02 07:56:17.106 INFO kablam! | Sep 02 07:56:17.106 INFO kablam! 258 | / self.mat Sep 02 07:56:17.106 INFO kablam! 259 | | .enumerate_cells() Sep 02 07:56:17.106 INFO kablam! 260 | | .chunks(self.n_cols()) Sep 02 07:56:17.106 INFO kablam! 261 | | .into_iter() Sep 02 07:56:17.106 INFO kablam! ... | Sep 02 07:56:17.106 INFO kablam! 269 | | }) Sep 02 07:56:17.106 INFO kablam! 270 | | .collect::>(); Sep 02 07:56:17.106 INFO kablam! | |_________________________________^ Sep 02 07:56:17.106 INFO kablam! | Sep 02 07:56:17.106 INFO kablam! = note: #[warn(unused_must_use)] on by default Sep 02 07:56:17.106 INFO kablam! = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead Sep 02 07:56:17.106 INFO kablam! Sep 02 07:56:17.706 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used Sep 02 07:56:17.706 INFO kablam! --> src/lib.rs:258:9 Sep 02 07:56:17.706 INFO kablam! | Sep 02 07:56:17.706 INFO kablam! 258 | / self.mat Sep 02 07:56:17.706 INFO kablam! 259 | | .enumerate_cells() Sep 02 07:56:17.706 INFO kablam! 260 | | .chunks(self.n_cols()) Sep 02 07:56:17.706 INFO kablam! 261 | | .into_iter() Sep 02 07:56:17.706 INFO kablam! ... | Sep 02 07:56:17.706 INFO kablam! 269 | | }) Sep 02 07:56:17.706 INFO kablam! 270 | | .collect::>(); Sep 02 07:56:17.706 INFO kablam! | |_________________________________^ Sep 02 07:56:17.706 INFO kablam! | Sep 02 07:56:17.706 INFO kablam! = note: #[warn(unused_must_use)] on by default Sep 02 07:56:17.706 INFO kablam! = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead Sep 02 07:56:17.706 INFO kablam! Sep 02 07:56:17.785 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 1.45s Sep 02 07:56:17.788 INFO kablam! su: No module specific data is present Sep 02 07:56:18.192 INFO running `"docker" "rm" "-f" "05d3950f08aa9687802442c72c66b654007745aed66de31ccb16a89aa2af2927"` Sep 02 07:56:18.282 INFO blam! 05d3950f08aa9687802442c72c66b654007745aed66de31ccb16a89aa2af2927