Sep 04 11:19:11.630 INFO checking matrix_display-0.2.0 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 04 11:19:11.630 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 04 11:19:11.630 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-3/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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 +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 11:19:11.834 INFO blam! ba074bac1f78d94170ea95f0dd734527a75ad839c01938c0fb2c859fadc3b65d
Sep 04 11:19:11.835 INFO running `"docker" "start" "-a" "ba074bac1f78d94170ea95f0dd734527a75ad839c01938c0fb2c859fadc3b65d"`
Sep 04 11:19:12.607 INFO kablam!     Checking matrix_display v0.2.0 (file:///source)
Sep 04 11:19:13.609 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 04 11:19:13.609 INFO kablam!    --> src/lib.rs:258:9
Sep 04 11:19:13.609 INFO kablam!     |
Sep 04 11:19:13.609 INFO kablam! 258 | /         self.mat
Sep 04 11:19:13.609 INFO kablam! 259 | |             .enumerate_cells()
Sep 04 11:19:13.609 INFO kablam! 260 | |             .chunks(self.n_cols())
Sep 04 11:19:13.609 INFO kablam! 261 | |             .into_iter()
Sep 04 11:19:13.609 INFO kablam! ...   |
Sep 04 11:19:13.609 INFO kablam! 269 | |             })
Sep 04 11:19:13.609 INFO kablam! 270 | |             .collect::<Vec<_>>();
Sep 04 11:19:13.609 INFO kablam!     | |_________________________________^
Sep 04 11:19:13.609 INFO kablam!     |
Sep 04 11:19:13.609 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 04 11:19:13.609 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 04 11:19:13.609 INFO kablam! 
Sep 04 11:19:14.292 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 04 11:19:14.292 INFO kablam!    --> src/lib.rs:258:9
Sep 04 11:19:14.292 INFO kablam!     |
Sep 04 11:19:14.292 INFO kablam! 258 | /         self.mat
Sep 04 11:19:14.292 INFO kablam! 259 | |             .enumerate_cells()
Sep 04 11:19:14.292 INFO kablam! 260 | |             .chunks(self.n_cols())
Sep 04 11:19:14.292 INFO kablam! 261 | |             .into_iter()
Sep 04 11:19:14.292 INFO kablam! ...   |
Sep 04 11:19:14.292 INFO kablam! 269 | |             })
Sep 04 11:19:14.292 INFO kablam! 270 | |             .collect::<Vec<_>>();
Sep 04 11:19:14.293 INFO kablam!     | |_________________________________^
Sep 04 11:19:14.293 INFO kablam!     |
Sep 04 11:19:14.293 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 04 11:19:14.293 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 04 11:19:14.293 INFO kablam! 
Sep 04 11:19:14.429 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.84s
Sep 04 11:19:14.432 INFO kablam! su: No module specific data is present
Sep 04 11:19:14.889 INFO running `"docker" "rm" "-f" "ba074bac1f78d94170ea95f0dd734527a75ad839c01938c0fb2c859fadc3b65d"`
Sep 04 11:19:15.037 INFO blam! ba074bac1f78d94170ea95f0dd734527a75ad839c01938c0fb2c859fadc3b65d