Sep 04 11:19:12.395 INFO checking matrix_display-0.2.0 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 11:19:12.395 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 11:19:12.395 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-2/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 11:19:12.635 INFO blam! 240451c6959157524ca4e28be0b05a486256bef94cbacbfe6841577e8378eecc
Sep 04 11:19:12.637 INFO running `"docker" "start" "-a" "240451c6959157524ca4e28be0b05a486256bef94cbacbfe6841577e8378eecc"`
Sep 04 11:19:13.497 INFO kablam!     Checking matrix_display v0.2.0 (file:///source)
Sep 04 11:19:14.412 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 04 11:19:14.412 INFO kablam!    --> src/lib.rs:258:9
Sep 04 11:19:14.412 INFO kablam!     |
Sep 04 11:19:14.412 INFO kablam! 258 | /         self.mat
Sep 04 11:19:14.412 INFO kablam! 259 | |             .enumerate_cells()
Sep 04 11:19:14.412 INFO kablam! 260 | |             .chunks(self.n_cols())
Sep 04 11:19:14.412 INFO kablam! 261 | |             .into_iter()
Sep 04 11:19:14.412 INFO kablam! ...   |
Sep 04 11:19:14.412 INFO kablam! 269 | |             })
Sep 04 11:19:14.412 INFO kablam! 270 | |             .collect::<Vec<_>>();
Sep 04 11:19:14.412 INFO kablam!     | |_________________________________^
Sep 04 11:19:14.412 INFO kablam!     |
Sep 04 11:19:14.412 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 04 11:19:14.412 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 04 11:19:14.413 INFO kablam! 
Sep 04 11:19:14.974 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 04 11:19:14.974 INFO kablam!    --> src/lib.rs:258:9
Sep 04 11:19:14.974 INFO kablam!     |
Sep 04 11:19:14.974 INFO kablam! 258 | /         self.mat
Sep 04 11:19:14.974 INFO kablam! 259 | |             .enumerate_cells()
Sep 04 11:19:14.974 INFO kablam! 260 | |             .chunks(self.n_cols())
Sep 04 11:19:14.974 INFO kablam! 261 | |             .into_iter()
Sep 04 11:19:14.974 INFO kablam! ...   |
Sep 04 11:19:14.974 INFO kablam! 269 | |             })
Sep 04 11:19:14.974 INFO kablam! 270 | |             .collect::<Vec<_>>();
Sep 04 11:19:14.974 INFO kablam!     | |_________________________________^
Sep 04 11:19:14.974 INFO kablam!     |
Sep 04 11:19:14.974 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 04 11:19:14.974 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 04 11:19:14.974 INFO kablam! 
Sep 04 11:19:15.083 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
Sep 04 11:19:15.086 INFO kablam! su: No module specific data is present
Sep 04 11:19:15.514 INFO running `"docker" "rm" "-f" "240451c6959157524ca4e28be0b05a486256bef94cbacbfe6841577e8378eecc"`
Sep 04 11:19:15.612 INFO blam! 240451c6959157524ca4e28be0b05a486256bef94cbacbfe6841577e8378eecc