Sep 17 21:32:24.906 INFO checking matrix_display-0.2.0 against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 17 21:32:24.906 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 17 21:32:24.906 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-7/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/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 +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 21:32:25.048 INFO blam! 68111ba6b6ab86b6c92eea58efeb2e33e4459157fa563fec6b40c64c160f3eca
Sep 17 21:32:25.055 INFO running `"docker" "start" "-a" "68111ba6b6ab86b6c92eea58efeb2e33e4459157fa563fec6b40c64c160f3eca"`
Sep 17 21:32:25.835 INFO kablam! usermod: no changes
Sep 17 21:32:25.883 INFO kablam!     Checking matrix_display v0.2.0 (/source)
Sep 17 21:32:26.238 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 17 21:32:26.239 INFO kablam!    --> src/lib.rs:258:9
Sep 17 21:32:26.239 INFO kablam!     |
Sep 17 21:32:26.239 INFO kablam! 258 | /         self.mat
Sep 17 21:32:26.239 INFO kablam! 259 | |             .enumerate_cells()
Sep 17 21:32:26.239 INFO kablam! 260 | |             .chunks(self.n_cols())
Sep 17 21:32:26.239 INFO kablam! 261 | |             .into_iter()
Sep 17 21:32:26.239 INFO kablam! ...   |
Sep 17 21:32:26.239 INFO kablam! 269 | |             })
Sep 17 21:32:26.239 INFO kablam! 270 | |             .collect::<Vec<_>>();
Sep 17 21:32:26.239 INFO kablam!     | |_________________________________^
Sep 17 21:32:26.239 INFO kablam!     |
Sep 17 21:32:26.239 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 17 21:32:26.239 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 17 21:32:26.239 INFO kablam! 
Sep 17 21:32:26.815 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 17 21:32:26.815 INFO kablam!    --> src/lib.rs:258:9
Sep 17 21:32:26.815 INFO kablam!     |
Sep 17 21:32:26.815 INFO kablam! 258 | /         self.mat
Sep 17 21:32:26.815 INFO kablam! 259 | |             .enumerate_cells()
Sep 17 21:32:26.815 INFO kablam! 260 | |             .chunks(self.n_cols())
Sep 17 21:32:26.815 INFO kablam! 261 | |             .into_iter()
Sep 17 21:32:26.815 INFO kablam! ...   |
Sep 17 21:32:26.815 INFO kablam! 269 | |             })
Sep 17 21:32:26.815 INFO kablam! 270 | |             .collect::<Vec<_>>();
Sep 17 21:32:26.815 INFO kablam!     | |_________________________________^
Sep 17 21:32:26.815 INFO kablam!     |
Sep 17 21:32:26.815 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 17 21:32:26.815 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 17 21:32:26.815 INFO kablam! 
Sep 17 21:32:26.860 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
Sep 17 21:32:26.867 INFO kablam! su: No module specific data is present
Sep 17 21:32:27.791 INFO running `"docker" "rm" "-f" "68111ba6b6ab86b6c92eea58efeb2e33e4459157fa563fec6b40c64c160f3eca"`
Sep 17 21:32:27.863 INFO blam! 68111ba6b6ab86b6c92eea58efeb2e33e4459157fa563fec6b40c64c160f3eca