Oct 13 09:11:04.410 INFO checking rustils-0.1.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 09:11:04.412 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 13 09:11:04.924 INFO blam! 7bf2037d4508f9f7beefda34f39628c3b1a7fd4d1f2e30242e333b3f337ceb75
Oct 13 09:11:04.936 INFO running `"docker" "start" "-a" "7bf2037d4508f9f7beefda34f39628c3b1a7fd4d1f2e30242e333b3f337ceb75"`
Oct 13 09:11:05.852 INFO kablam! usermod: no changes
Oct 13 09:11:06.001 INFO kablam!     Checking rustils v0.1.0 (/source)
Oct 13 09:11:08.488 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Oct 13 09:11:08.488 INFO kablam!    --> src/string.rs:350:9
Oct 13 09:11:08.488 INFO kablam!     |
Oct 13 09:11:08.488 INFO kablam! 350 |         temp.drain(len-search.len()..len).collect::<String>();
Oct 13 09:11:08.488 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 09:11:08.488 INFO kablam!     |
Oct 13 09:11:08.488 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 13 09:11:08.488 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Oct 13 09:11:08.488 INFO kablam! 
Oct 13 09:11:08.488 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Oct 13 09:11:08.488 INFO kablam!    --> src/string.rs:363:9
Oct 13 09:11:08.488 INFO kablam!     |
Oct 13 09:11:08.488 INFO kablam! 363 |         temp.drain(..search.len()).collect::<String>();
Oct 13 09:11:08.488 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 09:11:08.489 INFO kablam!     |
Oct 13 09:11:08.489 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Oct 13 09:11:08.489 INFO kablam! 
Oct 13 09:11:08.916 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Oct 13 09:11:08.916 INFO kablam!    --> src/string.rs:350:9
Oct 13 09:11:08.916 INFO kablam!     |
Oct 13 09:11:08.916 INFO kablam! 350 |         temp.drain(len-search.len()..len).collect::<String>();
Oct 13 09:11:08.916 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 09:11:08.916 INFO kablam!     |
Oct 13 09:11:08.916 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 13 09:11:08.916 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Oct 13 09:11:08.916 INFO kablam! 
Oct 13 09:11:08.916 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Oct 13 09:11:08.916 INFO kablam!    --> src/string.rs:363:9
Oct 13 09:11:08.916 INFO kablam!     |
Oct 13 09:11:08.916 INFO kablam! 363 |         temp.drain(..search.len()).collect::<String>();
Oct 13 09:11:08.916 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 09:11:08.916 INFO kablam!     |
Oct 13 09:11:08.916 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Oct 13 09:11:08.916 INFO kablam! 
Oct 13 09:11:18.368 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 12.47s
Oct 13 09:11:18.396 INFO kablam! su: No module specific data is present
Oct 13 09:11:19.510 INFO running `"docker" "rm" "-f" "7bf2037d4508f9f7beefda34f39628c3b1a7fd4d1f2e30242e333b3f337ceb75"`
Oct 13 09:11:19.836 INFO blam! 7bf2037d4508f9f7beefda34f39628c3b1a7fd4d1f2e30242e333b3f337ceb75