Sep 04 14:14:04.073 INFO checking matrix_display-0.2.0 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 04 14:14:04.073 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 04 14:14:04.073 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-2/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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 +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 14:14:04.346 INFO blam! 6b68c0a9368ffd1f0257390864d8502799ad38e1b0c5dd691d245c1b89e203ac
Sep 04 14:14:04.349 INFO running `"docker" "start" "-a" "6b68c0a9368ffd1f0257390864d8502799ad38e1b0c5dd691d245c1b89e203ac"`
Sep 04 14:14:05.158 INFO kablam!     Checking matrix_display v0.2.0 (file:///source)
Sep 04 14:14:06.029 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 04 14:14:06.029 INFO kablam!    --> src/lib.rs:258:9
Sep 04 14:14:06.029 INFO kablam!     |
Sep 04 14:14:06.029 INFO kablam! 258 | /         self.mat
Sep 04 14:14:06.029 INFO kablam! 259 | |             .enumerate_cells()
Sep 04 14:14:06.029 INFO kablam! 260 | |             .chunks(self.n_cols())
Sep 04 14:14:06.029 INFO kablam! 261 | |             .into_iter()
Sep 04 14:14:06.029 INFO kablam! ...   |
Sep 04 14:14:06.029 INFO kablam! 269 | |             })
Sep 04 14:14:06.029 INFO kablam! 270 | |             .collect::<Vec<_>>();
Sep 04 14:14:06.029 INFO kablam!     | |_________________________________^
Sep 04 14:14:06.029 INFO kablam!     |
Sep 04 14:14:06.029 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 04 14:14:06.029 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 04 14:14:06.029 INFO kablam! 
Sep 04 14:14:06.714 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 04 14:14:06.715 INFO kablam!    --> src/lib.rs:258:9
Sep 04 14:14:06.715 INFO kablam!     |
Sep 04 14:14:06.715 INFO kablam! 258 | /         self.mat
Sep 04 14:14:06.715 INFO kablam! 259 | |             .enumerate_cells()
Sep 04 14:14:06.715 INFO kablam! 260 | |             .chunks(self.n_cols())
Sep 04 14:14:06.715 INFO kablam! 261 | |             .into_iter()
Sep 04 14:14:06.715 INFO kablam! ...   |
Sep 04 14:14:06.715 INFO kablam! 269 | |             })
Sep 04 14:14:06.715 INFO kablam! 270 | |             .collect::<Vec<_>>();
Sep 04 14:14:06.715 INFO kablam!     | |_________________________________^
Sep 04 14:14:06.715 INFO kablam!     |
Sep 04 14:14:06.715 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 04 14:14:06.715 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 04 14:14:06.715 INFO kablam! 
Sep 04 14:14:06.902 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
Sep 04 14:14:06.910 INFO kablam! su: No module specific data is present
Sep 04 14:14:07.458 INFO running `"docker" "rm" "-f" "6b68c0a9368ffd1f0257390864d8502799ad38e1b0c5dd691d245c1b89e203ac"`
Sep 04 14:14:07.540 INFO blam! 6b68c0a9368ffd1f0257390864d8502799ad38e1b0c5dd691d245c1b89e203ac