Sep 06 00:41:31.788 INFO checking rustils-0.1.0 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 00:41:31.788 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 00:41:31.788 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-3/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 00:41:32.064 INFO blam! fdd36f02f467bbab909c3ab4bd41d569a1009128190571a9d0b0493ec221de75
Sep 06 00:41:32.066 INFO running `"docker" "start" "-a" "fdd36f02f467bbab909c3ab4bd41d569a1009128190571a9d0b0493ec221de75"`
Sep 06 00:41:33.067 INFO kablam! usermod: no changes
Sep 06 00:41:33.149 INFO kablam!     Checking rustils v0.1.0 (file:///source)
Sep 06 00:41:34.870 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 06 00:41:34.870 INFO kablam!    --> src/string.rs:350:9
Sep 06 00:41:34.870 INFO kablam!     |
Sep 06 00:41:34.870 INFO kablam! 350 |         temp.drain(len-search.len()..len).collect::<String>();
Sep 06 00:41:34.870 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 00:41:34.870 INFO kablam!     |
Sep 06 00:41:34.870 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 06 00:41:34.870 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 06 00:41:34.870 INFO kablam! 
Sep 06 00:41:34.870 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 06 00:41:34.870 INFO kablam!    --> src/string.rs:363:9
Sep 06 00:41:34.870 INFO kablam!     |
Sep 06 00:41:34.870 INFO kablam! 363 |         temp.drain(..search.len()).collect::<String>();
Sep 06 00:41:34.870 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 00:41:34.870 INFO kablam!     |
Sep 06 00:41:34.870 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 06 00:41:34.870 INFO kablam! 
Sep 06 00:41:36.702 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 06 00:41:36.702 INFO kablam!    --> src/string.rs:350:9
Sep 06 00:41:36.702 INFO kablam!     |
Sep 06 00:41:36.702 INFO kablam! 350 |         temp.drain(len-search.len()..len).collect::<String>();
Sep 06 00:41:36.702 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 00:41:36.702 INFO kablam!     |
Sep 06 00:41:36.702 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 06 00:41:36.702 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 06 00:41:36.702 INFO kablam! 
Sep 06 00:41:36.702 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 06 00:41:36.702 INFO kablam!    --> src/string.rs:363:9
Sep 06 00:41:36.702 INFO kablam!     |
Sep 06 00:41:36.702 INFO kablam! 363 |         temp.drain(..search.len()).collect::<String>();
Sep 06 00:41:36.702 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 00:41:36.702 INFO kablam!     |
Sep 06 00:41:36.702 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 06 00:41:36.702 INFO kablam! 
Sep 06 00:41:40.904 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 7.80s
Sep 06 00:41:40.914 INFO kablam! su: No module specific data is present
Sep 06 00:41:42.418 INFO running `"docker" "rm" "-f" "fdd36f02f467bbab909c3ab4bd41d569a1009128190571a9d0b0493ec221de75"`
Sep 06 00:41:42.551 INFO blam! fdd36f02f467bbab909c3ab4bd41d569a1009128190571a9d0b0493ec221de75