Aug 02 04:39:09.906 INFO checking matrix_display-0.2.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 04:39:09.906 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:39:09.907 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:39:09.907 INFO running `"docker" "create" "-v" "/tmp/crater.oZESz81j3Ubd:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2+tmplazy:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 02 04:39:10.063 INFO blam! 57cb036109b479f33c2432dab3acc2343b6a57bf0c2bbc414de75c250b56deff
Aug 02 04:39:10.066 INFO running `"docker" "start" "-a" "57cb036109b479f33c2432dab3acc2343b6a57bf0c2bbc414de75c250b56deff"`
Aug 02 04:39:11.056 INFO kablam!     Checking matrix_display v0.2.0 (file:///source)
Aug 02 04:39:11.625 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Aug 02 04:39:11.625 INFO kablam!    --> src/lib.rs:258:9
Aug 02 04:39:11.625 INFO kablam!     |
Aug 02 04:39:11.625 INFO kablam! 258 | /         self.mat
Aug 02 04:39:11.625 INFO kablam! 259 | |             .enumerate_cells()
Aug 02 04:39:11.625 INFO kablam! 260 | |             .chunks(self.n_cols())
Aug 02 04:39:11.625 INFO kablam! 261 | |             .into_iter()
Aug 02 04:39:11.625 INFO kablam! ...   |
Aug 02 04:39:11.625 INFO kablam! 269 | |             })
Aug 02 04:39:11.625 INFO kablam! 270 | |             .collect::<Vec<_>>();
Aug 02 04:39:11.626 INFO kablam!     | |_________________________________^
Aug 02 04:39:11.626 INFO kablam!     |
Aug 02 04:39:11.626 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 02 04:39:11.626 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Aug 02 04:39:11.626 INFO kablam! 
Aug 02 04:39:12.234 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Aug 02 04:39:12.234 INFO kablam!    --> src/lib.rs:258:9
Aug 02 04:39:12.234 INFO kablam!     |
Aug 02 04:39:12.234 INFO kablam! 258 | /         self.mat
Aug 02 04:39:12.234 INFO kablam! 259 | |             .enumerate_cells()
Aug 02 04:39:12.234 INFO kablam! 260 | |             .chunks(self.n_cols())
Aug 02 04:39:12.234 INFO kablam! 261 | |             .into_iter()
Aug 02 04:39:12.234 INFO kablam! ...   |
Aug 02 04:39:12.235 INFO kablam! 269 | |             })
Aug 02 04:39:12.235 INFO kablam! 270 | |             .collect::<Vec<_>>();
Aug 02 04:39:12.235 INFO kablam!     | |_________________________________^
Aug 02 04:39:12.235 INFO kablam!     |
Aug 02 04:39:12.235 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 02 04:39:12.235 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Aug 02 04:39:12.235 INFO kablam! 
Aug 02 04:39:12.270 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
Aug 02 04:39:12.274 INFO kablam! su: No module specific data is present
Aug 02 04:39:12.802 INFO running `"docker" "rm" "-f" "57cb036109b479f33c2432dab3acc2343b6a57bf0c2bbc414de75c250b56deff"`
Aug 02 04:39:12.937 INFO blam! 57cb036109b479f33c2432dab3acc2343b6a57bf0c2bbc414de75c250b56deff