Sep 04 14:14:03.874 INFO checking matrix_display-0.2.0 against try#5fe695a3844714c70e8f7731a553f7947987a68a for pr-53913 Sep 04 14:14:03.874 INFO running: cargo +5fe695a3844714c70e8f7731a553f7947987a68a-alt check --frozen --all --all-targets Sep 04 14:14:03.874 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53913/try#5fe695a3844714c70e8f7731a553f7947987a68a:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-3/try#5fe695a3844714c70e8f7731a553f7947987a68a:/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 +5fe695a3844714c70e8f7731a553f7947987a68a-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Sep 04 14:14:04.066 INFO blam! c212966dfae891612930734fb50505dab9615e51177ef43876a3f4f1135058ec Sep 04 14:14:04.069 INFO running `"docker" "start" "-a" "c212966dfae891612930734fb50505dab9615e51177ef43876a3f4f1135058ec"` Sep 04 14:14:04.881 INFO kablam! Checking matrix_display v0.2.0 (file:///source) Sep 04 14:14:05.711 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used Sep 04 14:14:05.711 INFO kablam! --> src/lib.rs:258:9 Sep 04 14:14:05.711 INFO kablam! | Sep 04 14:14:05.711 INFO kablam! 258 | / self.mat Sep 04 14:14:05.711 INFO kablam! 259 | | .enumerate_cells() Sep 04 14:14:05.711 INFO kablam! 260 | | .chunks(self.n_cols()) Sep 04 14:14:05.711 INFO kablam! 261 | | .into_iter() Sep 04 14:14:05.711 INFO kablam! ... | Sep 04 14:14:05.711 INFO kablam! 269 | | }) Sep 04 14:14:05.711 INFO kablam! 270 | | .collect::>(); Sep 04 14:14:05.711 INFO kablam! | |_________________________________^ Sep 04 14:14:05.712 INFO kablam! | Sep 04 14:14:05.712 INFO kablam! = note: #[warn(unused_must_use)] on by default Sep 04 14:14:05.712 INFO kablam! = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead Sep 04 14:14:05.712 INFO kablam! Sep 04 14:14:06.378 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used Sep 04 14:14:06.378 INFO kablam! --> src/lib.rs:258:9 Sep 04 14:14:06.378 INFO kablam! | Sep 04 14:14:06.378 INFO kablam! 258 | / self.mat Sep 04 14:14:06.378 INFO kablam! 259 | | .enumerate_cells() Sep 04 14:14:06.378 INFO kablam! 260 | | .chunks(self.n_cols()) Sep 04 14:14:06.378 INFO kablam! 261 | | .into_iter() Sep 04 14:14:06.378 INFO kablam! ... | Sep 04 14:14:06.378 INFO kablam! 269 | | }) Sep 04 14:14:06.378 INFO kablam! 270 | | .collect::>(); Sep 04 14:14:06.378 INFO kablam! | |_________________________________^ Sep 04 14:14:06.378 INFO kablam! | Sep 04 14:14:06.378 INFO kablam! = note: #[warn(unused_must_use)] on by default Sep 04 14:14:06.378 INFO kablam! = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead Sep 04 14:14:06.378 INFO kablam! Sep 04 14:14:06.769 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 1.90s Sep 04 14:14:06.772 INFO kablam! su: No module specific data is present Sep 04 14:14:07.377 INFO running `"docker" "rm" "-f" "c212966dfae891612930734fb50505dab9615e51177ef43876a3f4f1135058ec"` Sep 04 14:14:07.463 INFO blam! c212966dfae891612930734fb50505dab9615e51177ef43876a3f4f1135058ec