Aug 30 11:05:59.399 INFO checking matrix_display-0.2.0 against try#bc5a74802bb3ffc82f51ef04bca58d64220124c4 for pr-53699 Aug 30 11:05:59.399 INFO running: cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets Aug 30 11:05:59.399 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53699/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-2/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/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 +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Aug 30 11:05:59.550 INFO blam! d6fd59605d9c888a74d7df33dad776ffb6d5b10033415443c8ba0340de70193e Aug 30 11:05:59.552 INFO running `"docker" "start" "-a" "d6fd59605d9c888a74d7df33dad776ffb6d5b10033415443c8ba0340de70193e"` Aug 30 11:06:00.283 INFO kablam! Checking matrix_display v0.2.0 (file:///source) Aug 30 11:06:01.279 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used Aug 30 11:06:01.279 INFO kablam! --> src/lib.rs:258:9 Aug 30 11:06:01.279 INFO kablam! | Aug 30 11:06:01.279 INFO kablam! 258 | / self.mat Aug 30 11:06:01.279 INFO kablam! 259 | | .enumerate_cells() Aug 30 11:06:01.279 INFO kablam! 260 | | .chunks(self.n_cols()) Aug 30 11:06:01.279 INFO kablam! 261 | | .into_iter() Aug 30 11:06:01.279 INFO kablam! ... | Aug 30 11:06:01.280 INFO kablam! 269 | | }) Aug 30 11:06:01.280 INFO kablam! 270 | | .collect::>(); Aug 30 11:06:01.280 INFO kablam! | |_________________________________^ Aug 30 11:06:01.280 INFO kablam! | Aug 30 11:06:01.280 INFO kablam! = note: #[warn(unused_must_use)] on by default Aug 30 11:06:01.280 INFO kablam! = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead Aug 30 11:06:01.280 INFO kablam! Aug 30 11:06:02.349 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used Aug 30 11:06:02.349 INFO kablam! --> src/lib.rs:258:9 Aug 30 11:06:02.349 INFO kablam! | Aug 30 11:06:02.349 INFO kablam! 258 | / self.mat Aug 30 11:06:02.349 INFO kablam! 259 | | .enumerate_cells() Aug 30 11:06:02.349 INFO kablam! 260 | | .chunks(self.n_cols()) Aug 30 11:06:02.349 INFO kablam! 261 | | .into_iter() Aug 30 11:06:02.349 INFO kablam! ... | Aug 30 11:06:02.349 INFO kablam! 269 | | }) Aug 30 11:06:02.349 INFO kablam! 270 | | .collect::>(); Aug 30 11:06:02.349 INFO kablam! | |_________________________________^ Aug 30 11:06:02.349 INFO kablam! | Aug 30 11:06:02.349 INFO kablam! = note: #[warn(unused_must_use)] on by default Aug 30 11:06:02.349 INFO kablam! = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead Aug 30 11:06:02.349 INFO kablam! Aug 30 11:06:02.733 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 2.46s Aug 30 11:06:02.738 INFO kablam! su: No module specific data is present Aug 30 11:06:03.188 INFO running `"docker" "rm" "-f" "d6fd59605d9c888a74d7df33dad776ffb6d5b10033415443c8ba0340de70193e"` Aug 30 11:06:03.280 INFO blam! d6fd59605d9c888a74d7df33dad776ffb6d5b10033415443c8ba0340de70193e