Sep 10 10:34:39.204 INFO checking rustils-0.1.0 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 10:34:39.204 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 10:34:39.204 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-4/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 10:34:39.415 INFO blam! 6525bb65987b475cb13ead7b7e36ea32a2ac839fb94962746fc3b66ef4595faa
Sep 10 10:34:39.416 INFO running `"docker" "start" "-a" "6525bb65987b475cb13ead7b7e36ea32a2ac839fb94962746fc3b66ef4595faa"`
Sep 10 10:34:40.146 INFO kablam! usermod: no changes
Sep 10 10:34:40.207 INFO kablam!     Checking rustils v0.1.0 (file:///source)
Sep 10 10:34:41.511 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 10 10:34:41.511 INFO kablam!    --> src/string.rs:350:9
Sep 10 10:34:41.511 INFO kablam!     |
Sep 10 10:34:41.511 INFO kablam! 350 |         temp.drain(len-search.len()..len).collect::<String>();
Sep 10 10:34:41.511 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 10:34:41.511 INFO kablam!     |
Sep 10 10:34:41.511 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 10 10:34:41.511 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 10 10:34:41.511 INFO kablam! 
Sep 10 10:34:41.511 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 10 10:34:41.511 INFO kablam!    --> src/string.rs:363:9
Sep 10 10:34:41.511 INFO kablam!     |
Sep 10 10:34:41.511 INFO kablam! 363 |         temp.drain(..search.len()).collect::<String>();
Sep 10 10:34:41.511 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 10:34:41.511 INFO kablam!     |
Sep 10 10:34:41.511 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 10 10:34:41.511 INFO kablam! 
Sep 10 10:34:41.918 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 10 10:34:41.918 INFO kablam!    --> src/string.rs:350:9
Sep 10 10:34:41.918 INFO kablam!     |
Sep 10 10:34:41.918 INFO kablam! 350 |         temp.drain(len-search.len()..len).collect::<String>();
Sep 10 10:34:41.918 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 10:34:41.918 INFO kablam!     |
Sep 10 10:34:41.918 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 10 10:34:41.918 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 10 10:34:41.918 INFO kablam! 
Sep 10 10:34:41.918 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 10 10:34:41.918 INFO kablam!    --> src/string.rs:363:9
Sep 10 10:34:41.918 INFO kablam!     |
Sep 10 10:34:41.918 INFO kablam! 363 |         temp.drain(..search.len()).collect::<String>();
Sep 10 10:34:41.918 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 10:34:41.918 INFO kablam!     |
Sep 10 10:34:41.918 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 10 10:34:41.918 INFO kablam! 
Sep 10 10:34:47.529 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 7.35s
Sep 10 10:34:47.538 INFO kablam! su: No module specific data is present
Sep 10 10:34:48.813 INFO running `"docker" "rm" "-f" "6525bb65987b475cb13ead7b7e36ea32a2ac839fb94962746fc3b66ef4595faa"`
Sep 10 10:34:48.921 INFO blam! 6525bb65987b475cb13ead7b7e36ea32a2ac839fb94962746fc3b66ef4595faa