Aug 02 04:39:10.229 INFO checking matrix_display-0.2.0 against 1.27.2 for lazy_static-1
Aug 02 04:39:10.229 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:39:10.230 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:39:10.230 INFO running `"docker" "create" "-v" "/tmp/crater.rFcINZZT63Ob:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2:/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 04:39:10.443 INFO blam! 89dccbc0451e2bd77171e2e19e7547771ee5c13d77a6a0e38e72f00c24ac2ea4
Aug 02 04:39:10.446 INFO running `"docker" "start" "-a" "89dccbc0451e2bd77171e2e19e7547771ee5c13d77a6a0e38e72f00c24ac2ea4"`
Aug 02 04:39:12.627 INFO kablam!     Checking matrix_display v0.2.0 (file:///source)
Aug 02 04:39:13.333 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Aug 02 04:39:13.333 INFO kablam!    --> src/lib.rs:258:9
Aug 02 04:39:13.333 INFO kablam!     |
Aug 02 04:39:13.333 INFO kablam! 258 | /         self.mat
Aug 02 04:39:13.333 INFO kablam! 259 | |             .enumerate_cells()
Aug 02 04:39:13.333 INFO kablam! 260 | |             .chunks(self.n_cols())
Aug 02 04:39:13.333 INFO kablam! 261 | |             .into_iter()
Aug 02 04:39:13.333 INFO kablam! ...   |
Aug 02 04:39:13.334 INFO kablam! 269 | |             })
Aug 02 04:39:13.334 INFO kablam! 270 | |             .collect::<Vec<_>>();
Aug 02 04:39:13.334 INFO kablam!     | |_________________________________^
Aug 02 04:39:13.334 INFO kablam!     |
Aug 02 04:39:13.334 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 02 04:39:13.334 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Aug 02 04:39:13.334 INFO kablam! 
Aug 02 04:39:13.937 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Aug 02 04:39:13.937 INFO kablam!    --> src/lib.rs:258:9
Aug 02 04:39:13.937 INFO kablam!     |
Aug 02 04:39:13.937 INFO kablam! 258 | /         self.mat
Aug 02 04:39:13.937 INFO kablam! 259 | |             .enumerate_cells()
Aug 02 04:39:13.937 INFO kablam! 260 | |             .chunks(self.n_cols())
Aug 02 04:39:13.937 INFO kablam! 261 | |             .into_iter()
Aug 02 04:39:13.937 INFO kablam! ...   |
Aug 02 04:39:13.937 INFO kablam! 269 | |             })
Aug 02 04:39:13.937 INFO kablam! 270 | |             .collect::<Vec<_>>();
Aug 02 04:39:13.938 INFO kablam!     | |_________________________________^
Aug 02 04:39:13.938 INFO kablam!     |
Aug 02 04:39:13.938 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 02 04:39:13.938 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Aug 02 04:39:13.938 INFO kablam! 
Aug 02 04:39:14.028 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
Aug 02 04:39:14.031 INFO kablam! su: No module specific data is present
Aug 02 04:39:14.590 INFO running `"docker" "rm" "-f" "89dccbc0451e2bd77171e2e19e7547771ee5c13d77a6a0e38e72f00c24ac2ea4"`
Aug 02 04:39:14.757 INFO blam! 89dccbc0451e2bd77171e2e19e7547771ee5c13d77a6a0e38e72f00c24ac2ea4