Aug 11 08:54:08.261 INFO checking matrix_display-0.2.0 against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 11 08:54:08.261 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 08:54:08.261 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 08:54:08.261 INFO running `"docker" "create" "-v" "/tmp/crater.UZdSbdJnBOGP:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-3/master#f6d43ed84207c7e58f363f46e5a438ff40f2b311:/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 +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 08:54:08.496 INFO blam! 0bf266cfe5b8c4d91b879e82aeac1ebc99fce7f6ab0a72866a1feb1c891382a3
Aug 11 08:54:08.497 INFO running `"docker" "start" "-a" "0bf266cfe5b8c4d91b879e82aeac1ebc99fce7f6ab0a72866a1feb1c891382a3"`
Aug 11 08:54:09.545 INFO kablam!     Checking matrix_display v0.2.0 (file:///source)
Aug 11 08:54:10.386 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Aug 11 08:54:10.386 INFO kablam!    --> src/lib.rs:258:9
Aug 11 08:54:10.386 INFO kablam!     |
Aug 11 08:54:10.386 INFO kablam! 258 | /         self.mat
Aug 11 08:54:10.386 INFO kablam! 259 | |             .enumerate_cells()
Aug 11 08:54:10.386 INFO kablam! 260 | |             .chunks(self.n_cols())
Aug 11 08:54:10.386 INFO kablam! 261 | |             .into_iter()
Aug 11 08:54:10.386 INFO kablam! ...   |
Aug 11 08:54:10.386 INFO kablam! 269 | |             })
Aug 11 08:54:10.386 INFO kablam! 270 | |             .collect::<Vec<_>>();
Aug 11 08:54:10.386 INFO kablam!     | |_________________________________^
Aug 11 08:54:10.386 INFO kablam!     |
Aug 11 08:54:10.386 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 11 08:54:10.386 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Aug 11 08:54:10.386 INFO kablam! 
Aug 11 08:54:10.964 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Aug 11 08:54:10.964 INFO kablam!    --> src/lib.rs:258:9
Aug 11 08:54:10.964 INFO kablam!     |
Aug 11 08:54:10.964 INFO kablam! 258 | /         self.mat
Aug 11 08:54:10.964 INFO kablam! 259 | |             .enumerate_cells()
Aug 11 08:54:10.964 INFO kablam! 260 | |             .chunks(self.n_cols())
Aug 11 08:54:10.964 INFO kablam! 261 | |             .into_iter()
Aug 11 08:54:10.965 INFO kablam! ...   |
Aug 11 08:54:10.965 INFO kablam! 269 | |             })
Aug 11 08:54:10.965 INFO kablam! 270 | |             .collect::<Vec<_>>();
Aug 11 08:54:10.965 INFO kablam!     | |_________________________________^
Aug 11 08:54:10.965 INFO kablam!     |
Aug 11 08:54:10.965 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 11 08:54:10.965 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Aug 11 08:54:10.965 INFO kablam! 
Aug 11 08:54:10.986 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
Aug 11 08:54:10.990 INFO kablam! su: No module specific data is present
Aug 11 08:54:11.540 INFO running `"docker" "rm" "-f" "0bf266cfe5b8c4d91b879e82aeac1ebc99fce7f6ab0a72866a1feb1c891382a3"`
Aug 11 08:54:11.714 INFO blam! 0bf266cfe5b8c4d91b879e82aeac1ebc99fce7f6ab0a72866a1feb1c891382a3