Sep 19 19:01:53.038 INFO checking rustils-0.1.0 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 19:01:53.038 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 19:01:53.038 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 19:01:53.227 INFO blam! 06227f9f857e68ccfb7c8e4a0f52669fc95d88cd8efd89a4689c8d0906f85f4c
Sep 19 19:01:53.228 INFO running `"docker" "start" "-a" "06227f9f857e68ccfb7c8e4a0f52669fc95d88cd8efd89a4689c8d0906f85f4c"`
Sep 19 19:01:54.280 INFO kablam! usermod: no changes
Sep 19 19:01:54.335 INFO kablam!     Checking rustils v0.1.0 (/source)
Sep 19 19:01:55.606 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 19 19:01:55.606 INFO kablam!    --> src/string.rs:350:9
Sep 19 19:01:55.606 INFO kablam!     |
Sep 19 19:01:55.606 INFO kablam! 350 |         temp.drain(len-search.len()..len).collect::<String>();
Sep 19 19:01:55.606 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 19:01:55.606 INFO kablam!     |
Sep 19 19:01:55.606 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 19 19:01:55.607 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 19 19:01:55.607 INFO kablam! 
Sep 19 19:01:55.607 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 19 19:01:55.607 INFO kablam!    --> src/string.rs:363:9
Sep 19 19:01:55.607 INFO kablam!     |
Sep 19 19:01:55.607 INFO kablam! 363 |         temp.drain(..search.len()).collect::<String>();
Sep 19 19:01:55.607 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 19:01:55.607 INFO kablam!     |
Sep 19 19:01:55.607 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 19 19:01:55.607 INFO kablam! 
Sep 19 19:01:55.697 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 19 19:01:55.697 INFO kablam!    --> src/string.rs:350:9
Sep 19 19:01:55.697 INFO kablam!     |
Sep 19 19:01:55.697 INFO kablam! 350 |         temp.drain(len-search.len()..len).collect::<String>();
Sep 19 19:01:55.697 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 19:01:55.697 INFO kablam!     |
Sep 19 19:01:55.697 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 19 19:01:55.697 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 19 19:01:55.697 INFO kablam! 
Sep 19 19:01:55.699 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 19 19:01:55.699 INFO kablam!    --> src/string.rs:363:9
Sep 19 19:01:55.699 INFO kablam!     |
Sep 19 19:01:55.699 INFO kablam! 363 |         temp.drain(..search.len()).collect::<String>();
Sep 19 19:01:55.700 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 19:01:55.700 INFO kablam!     |
Sep 19 19:01:55.700 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 19 19:01:55.700 INFO kablam! 
Sep 19 19:02:00.778 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.47s
Sep 19 19:02:00.786 INFO kablam! su: No module specific data is present
Sep 19 19:02:01.726 INFO running `"docker" "rm" "-f" "06227f9f857e68ccfb7c8e4a0f52669fc95d88cd8efd89a4689c8d0906f85f4c"`
Sep 19 19:02:01.951 INFO blam! 06227f9f857e68ccfb7c8e4a0f52669fc95d88cd8efd89a4689c8d0906f85f4c