Sep 01 07:55:54.364 INFO checking rustils-0.1.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 07:55:54.364 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 07:55:54.364 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-3/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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=500" "-e" "CMD=cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 07:55:54.575 INFO blam! 914acdbd11445823bbe552bf086a30343d9f51e9ee7010f9a2702626e4181923
Sep 01 07:55:54.578 INFO running `"docker" "start" "-a" "914acdbd11445823bbe552bf086a30343d9f51e9ee7010f9a2702626e4181923"`
Sep 01 07:55:55.372 INFO kablam!     Checking rustils v0.1.0 (file:///source)
Sep 01 07:55:57.955 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 01 07:55:57.955 INFO kablam!    --> src/string.rs:350:9
Sep 01 07:55:57.955 INFO kablam!     |
Sep 01 07:55:57.955 INFO kablam! 350 |         temp.drain(len-search.len()..len).collect::<String>();
Sep 01 07:55:57.956 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 07:55:57.956 INFO kablam!     |
Sep 01 07:55:57.956 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 01 07:55:57.956 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 01 07:55:57.956 INFO kablam! 
Sep 01 07:55:57.956 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 01 07:55:57.956 INFO kablam!    --> src/string.rs:363:9
Sep 01 07:55:57.956 INFO kablam!     |
Sep 01 07:55:57.956 INFO kablam! 363 |         temp.drain(..search.len()).collect::<String>();
Sep 01 07:55:57.956 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 07:55:57.956 INFO kablam!     |
Sep 01 07:55:57.957 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 01 07:55:57.957 INFO kablam! 
Sep 01 07:55:58.009 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 01 07:55:58.009 INFO kablam!    --> src/string.rs:350:9
Sep 01 07:55:58.009 INFO kablam!     |
Sep 01 07:55:58.010 INFO kablam! 350 |         temp.drain(len-search.len()..len).collect::<String>();
Sep 01 07:55:58.010 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 07:55:58.010 INFO kablam!     |
Sep 01 07:55:58.010 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 01 07:55:58.010 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 01 07:55:58.010 INFO kablam! 
Sep 01 07:55:58.010 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 01 07:55:58.011 INFO kablam!    --> src/string.rs:363:9
Sep 01 07:55:58.011 INFO kablam!     |
Sep 01 07:55:58.011 INFO kablam! 363 |         temp.drain(..search.len()).collect::<String>();
Sep 01 07:55:58.011 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 07:55:58.011 INFO kablam!     |
Sep 01 07:55:58.011 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 01 07:55:58.011 INFO kablam! 
Sep 01 07:56:04.516 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.20s
Sep 01 07:56:04.526 INFO kablam! su: No module specific data is present
Sep 01 07:56:05.210 INFO running `"docker" "rm" "-f" "914acdbd11445823bbe552bf086a30343d9f51e9ee7010f9a2702626e4181923"`
Sep 01 07:56:05.412 INFO blam! 914acdbd11445823bbe552bf086a30343d9f51e9ee7010f9a2702626e4181923