Sep 06 04:00:24.473 INFO checking matrix_display-0.2.0 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 06 04:00:24.473 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 06 04:00:24.473 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-1/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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 +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 04:00:24.663 INFO blam! c871406018b24612273e0e1a577910f0c0392ada202f257f800fa342c7812527
Sep 06 04:00:24.665 INFO running `"docker" "start" "-a" "c871406018b24612273e0e1a577910f0c0392ada202f257f800fa342c7812527"`
Sep 06 04:00:25.873 INFO kablam! usermod: no changes
Sep 06 04:00:25.938 INFO kablam!     Checking matrix_display v0.2.0 (file:///source)
Sep 06 04:00:26.367 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 06 04:00:26.367 INFO kablam!    --> src/lib.rs:258:9
Sep 06 04:00:26.367 INFO kablam!     |
Sep 06 04:00:26.367 INFO kablam! 258 | /         self.mat
Sep 06 04:00:26.367 INFO kablam! 259 | |             .enumerate_cells()
Sep 06 04:00:26.367 INFO kablam! 260 | |             .chunks(self.n_cols())
Sep 06 04:00:26.367 INFO kablam! 261 | |             .into_iter()
Sep 06 04:00:26.367 INFO kablam! ...   |
Sep 06 04:00:26.367 INFO kablam! 269 | |             })
Sep 06 04:00:26.367 INFO kablam! 270 | |             .collect::<Vec<_>>();
Sep 06 04:00:26.367 INFO kablam!     | |_________________________________^
Sep 06 04:00:26.367 INFO kablam!     |
Sep 06 04:00:26.367 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 06 04:00:26.367 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 06 04:00:26.367 INFO kablam! 
Sep 06 04:00:26.606 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 06 04:00:26.606 INFO kablam!    --> src/lib.rs:258:9
Sep 06 04:00:26.606 INFO kablam!     |
Sep 06 04:00:26.606 INFO kablam! 258 | /         self.mat
Sep 06 04:00:26.606 INFO kablam! 259 | |             .enumerate_cells()
Sep 06 04:00:26.606 INFO kablam! 260 | |             .chunks(self.n_cols())
Sep 06 04:00:26.606 INFO kablam! 261 | |             .into_iter()
Sep 06 04:00:26.606 INFO kablam! ...   |
Sep 06 04:00:26.606 INFO kablam! 269 | |             })
Sep 06 04:00:26.606 INFO kablam! 270 | |             .collect::<Vec<_>>();
Sep 06 04:00:26.606 INFO kablam!     | |_________________________________^
Sep 06 04:00:26.606 INFO kablam!     |
Sep 06 04:00:26.606 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 06 04:00:26.606 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 06 04:00:26.606 INFO kablam! 
Sep 06 04:00:26.652 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
Sep 06 04:00:26.653 INFO kablam! su: No module specific data is present
Sep 06 04:00:27.279 INFO running `"docker" "rm" "-f" "c871406018b24612273e0e1a577910f0c0392ada202f257f800fa342c7812527"`
Sep 06 04:00:27.335 INFO blam! c871406018b24612273e0e1a577910f0c0392ada202f257f800fa342c7812527