Sep 14 13:21:49.664 INFO checking matrix_display-0.2.0 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 13:21:49.664 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 13:21:49.664 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-4/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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=1000" "-e" "CMD=cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 13:21:50.085 INFO blam! c020937825cca7a1278d81f03d46fdbaa91eb30eb604c773dfaa0325805a0828
Sep 14 13:21:50.099 INFO running `"docker" "start" "-a" "c020937825cca7a1278d81f03d46fdbaa91eb30eb604c773dfaa0325805a0828"`
Sep 14 13:21:51.394 INFO kablam! usermod: no changes
Sep 14 13:21:51.426 INFO kablam!     Checking matrix_display v0.2.0 (file:///source)
Sep 14 13:21:51.774 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 14 13:21:51.774 INFO kablam!    --> src/lib.rs:258:9
Sep 14 13:21:51.774 INFO kablam!     |
Sep 14 13:21:51.774 INFO kablam! 258 | /         self.mat
Sep 14 13:21:51.774 INFO kablam! 259 | |             .enumerate_cells()
Sep 14 13:21:51.774 INFO kablam! 260 | |             .chunks(self.n_cols())
Sep 14 13:21:51.774 INFO kablam! 261 | |             .into_iter()
Sep 14 13:21:51.774 INFO kablam! ...   |
Sep 14 13:21:51.774 INFO kablam! 269 | |             })
Sep 14 13:21:51.774 INFO kablam! 270 | |             .collect::<Vec<_>>();
Sep 14 13:21:51.774 INFO kablam!     | |_________________________________^
Sep 14 13:21:51.774 INFO kablam!     |
Sep 14 13:21:51.774 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 14 13:21:51.774 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 14 13:21:51.774 INFO kablam! 
Sep 14 13:21:52.087 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 14 13:21:52.087 INFO kablam!    --> src/lib.rs:258:9
Sep 14 13:21:52.087 INFO kablam!     |
Sep 14 13:21:52.087 INFO kablam! 258 | /         self.mat
Sep 14 13:21:52.087 INFO kablam! 259 | |             .enumerate_cells()
Sep 14 13:21:52.087 INFO kablam! 260 | |             .chunks(self.n_cols())
Sep 14 13:21:52.087 INFO kablam! 261 | |             .into_iter()
Sep 14 13:21:52.087 INFO kablam! ...   |
Sep 14 13:21:52.087 INFO kablam! 269 | |             })
Sep 14 13:21:52.087 INFO kablam! 270 | |             .collect::<Vec<_>>();
Sep 14 13:21:52.087 INFO kablam!     | |_________________________________^
Sep 14 13:21:52.087 INFO kablam!     |
Sep 14 13:21:52.087 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 14 13:21:52.087 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 14 13:21:52.087 INFO kablam! 
Sep 14 13:21:52.187 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
Sep 14 13:21:52.189 INFO kablam! su: No module specific data is present
Sep 14 13:21:52.722 INFO running `"docker" "rm" "-f" "c020937825cca7a1278d81f03d46fdbaa91eb30eb604c773dfaa0325805a0828"`
Sep 14 13:21:52.790 INFO blam! c020937825cca7a1278d81f03d46fdbaa91eb30eb604c773dfaa0325805a0828