Sep 19 22:32:00.790 INFO checking matrix_display-0.2.0 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 22:32:00.790 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 22:32:00.790 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-6/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 22:32:01.054 INFO blam! d0ae40030fed6f610b2a8e5f3f57c09ceab6039808d86271584d99239f2f70d8
Sep 19 22:32:01.055 INFO running `"docker" "start" "-a" "d0ae40030fed6f610b2a8e5f3f57c09ceab6039808d86271584d99239f2f70d8"`
Sep 19 22:32:02.405 INFO kablam! usermod: no changes
Sep 19 22:32:02.429 INFO kablam!     Checking matrix_display v0.2.0 (/source)
Sep 19 22:32:02.700 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 19 22:32:02.700 INFO kablam!    --> src/lib.rs:258:9
Sep 19 22:32:02.700 INFO kablam!     |
Sep 19 22:32:02.700 INFO kablam! 258 | /         self.mat
Sep 19 22:32:02.700 INFO kablam! 259 | |             .enumerate_cells()
Sep 19 22:32:02.700 INFO kablam! 260 | |             .chunks(self.n_cols())
Sep 19 22:32:02.700 INFO kablam! 261 | |             .into_iter()
Sep 19 22:32:02.700 INFO kablam! ...   |
Sep 19 22:32:02.700 INFO kablam! 269 | |             })
Sep 19 22:32:02.700 INFO kablam! 270 | |             .collect::<Vec<_>>();
Sep 19 22:32:02.700 INFO kablam!     | |_________________________________^
Sep 19 22:32:02.700 INFO kablam!     |
Sep 19 22:32:02.700 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 19 22:32:02.700 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 19 22:32:02.700 INFO kablam! 
Sep 19 22:32:03.022 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 19 22:32:03.022 INFO kablam!    --> src/lib.rs:258:9
Sep 19 22:32:03.022 INFO kablam!     |
Sep 19 22:32:03.022 INFO kablam! 258 | /         self.mat
Sep 19 22:32:03.022 INFO kablam! 259 | |             .enumerate_cells()
Sep 19 22:32:03.022 INFO kablam! 260 | |             .chunks(self.n_cols())
Sep 19 22:32:03.022 INFO kablam! 261 | |             .into_iter()
Sep 19 22:32:03.022 INFO kablam! ...   |
Sep 19 22:32:03.022 INFO kablam! 269 | |             })
Sep 19 22:32:03.022 INFO kablam! 270 | |             .collect::<Vec<_>>();
Sep 19 22:32:03.022 INFO kablam!     | |_________________________________^
Sep 19 22:32:03.022 INFO kablam!     |
Sep 19 22:32:03.022 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 19 22:32:03.022 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 19 22:32:03.022 INFO kablam! 
Sep 19 22:32:03.144 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
Sep 19 22:32:03.148 INFO kablam! su: No module specific data is present
Sep 19 22:32:03.955 INFO running `"docker" "rm" "-f" "d0ae40030fed6f610b2a8e5f3f57c09ceab6039808d86271584d99239f2f70d8"`
Sep 19 22:32:04.205 INFO blam! d0ae40030fed6f610b2a8e5f3f57c09ceab6039808d86271584d99239f2f70d8