Sep 21 03:50:18.835 INFO checking rustils-0.1.0 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 03:50:18.835 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 03:50:18.835 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-2/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 03:50:18.983 INFO blam! 15980f46993236d226c1b0419ede2d72f9fb3c8d37ece37343c3d64c3fa524ad
Sep 21 03:50:18.985 INFO running `"docker" "start" "-a" "15980f46993236d226c1b0419ede2d72f9fb3c8d37ece37343c3d64c3fa524ad"`
Sep 21 03:50:20.425 INFO kablam! usermod: no changes
Sep 21 03:50:20.480 INFO kablam!     Checking rustils v0.1.0 (/source)
Sep 21 03:50:22.058 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 21 03:50:22.058 INFO kablam!    --> src/string.rs:350:9
Sep 21 03:50:22.058 INFO kablam!     |
Sep 21 03:50:22.058 INFO kablam! 350 |         temp.drain(len-search.len()..len).collect::<String>();
Sep 21 03:50:22.058 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 03:50:22.058 INFO kablam!     |
Sep 21 03:50:22.058 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 21 03:50:22.058 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 21 03:50:22.058 INFO kablam! 
Sep 21 03:50:22.058 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 21 03:50:22.058 INFO kablam!    --> src/string.rs:363:9
Sep 21 03:50:22.058 INFO kablam!     |
Sep 21 03:50:22.058 INFO kablam! 363 |         temp.drain(..search.len()).collect::<String>();
Sep 21 03:50:22.058 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 03:50:22.058 INFO kablam!     |
Sep 21 03:50:22.058 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 21 03:50:22.058 INFO kablam! 
Sep 21 03:50:23.102 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 21 03:50:23.102 INFO kablam!    --> src/string.rs:350:9
Sep 21 03:50:23.102 INFO kablam!     |
Sep 21 03:50:23.102 INFO kablam! 350 |         temp.drain(len-search.len()..len).collect::<String>();
Sep 21 03:50:23.102 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 03:50:23.102 INFO kablam!     |
Sep 21 03:50:23.102 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 21 03:50:23.102 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 21 03:50:23.102 INFO kablam! 
Sep 21 03:50:23.102 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 21 03:50:23.102 INFO kablam!    --> src/string.rs:363:9
Sep 21 03:50:23.102 INFO kablam!     |
Sep 21 03:50:23.102 INFO kablam! 363 |         temp.drain(..search.len()).collect::<String>();
Sep 21 03:50:23.102 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 03:50:23.102 INFO kablam!     |
Sep 21 03:50:23.102 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 21 03:50:23.102 INFO kablam! 
Sep 21 03:50:28.686 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 8.24s
Sep 21 03:50:28.690 INFO kablam! su: No module specific data is present
Sep 21 03:50:29.831 INFO running `"docker" "rm" "-f" "15980f46993236d226c1b0419ede2d72f9fb3c8d37ece37343c3d64c3fa524ad"`
Sep 21 03:50:29.955 INFO blam! 15980f46993236d226c1b0419ede2d72f9fb3c8d37ece37343c3d64c3fa524ad