Nov 28 18:43:58.035 INFO checking rustils-0.1.0 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 18:43:58.035 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-3/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 18:43:58.525 INFO [stdout] 83037954ba4c7460ded47212a2d2a7103a08bf741b10236995abf379dc469f5c
Nov 28 18:43:58.530 INFO running `"docker" "start" "-a" "83037954ba4c7460ded47212a2d2a7103a08bf741b10236995abf379dc469f5c"`
Nov 28 18:43:59.592 INFO [stderr] usermod: no changes
Nov 28 18:43:59.712 INFO [stderr]     Checking rustils v0.1.0 (/source)
Nov 28 18:44:02.812 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 28 18:44:02.812 INFO [stderr]    --> src/string.rs:350:9
Nov 28 18:44:02.812 INFO [stderr]     |
Nov 28 18:44:02.812 INFO [stderr] 350 |         temp.drain(len-search.len()..len).collect::<String>();
Nov 28 18:44:02.812 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 18:44:02.812 INFO [stderr]     |
Nov 28 18:44:02.812 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 18:44:02.812 INFO [stderr]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 28 18:44:02.812 INFO [stderr] 
Nov 28 18:44:02.812 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 28 18:44:02.812 INFO [stderr]    --> src/string.rs:363:9
Nov 28 18:44:02.812 INFO [stderr]     |
Nov 28 18:44:02.812 INFO [stderr] 363 |         temp.drain(..search.len()).collect::<String>();
Nov 28 18:44:02.812 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 18:44:02.812 INFO [stderr]     |
Nov 28 18:44:02.812 INFO [stderr]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 28 18:44:02.812 INFO [stderr] 
Nov 28 18:44:03.052 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 28 18:44:03.052 INFO [stderr]    --> src/string.rs:350:9
Nov 28 18:44:03.052 INFO [stderr]     |
Nov 28 18:44:03.052 INFO [stderr] 350 |         temp.drain(len-search.len()..len).collect::<String>();
Nov 28 18:44:03.052 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 18:44:03.052 INFO [stderr]     |
Nov 28 18:44:03.052 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 18:44:03.052 INFO [stderr]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 28 18:44:03.052 INFO [stderr] 
Nov 28 18:44:03.052 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 28 18:44:03.052 INFO [stderr]    --> src/string.rs:363:9
Nov 28 18:44:03.052 INFO [stderr]     |
Nov 28 18:44:03.052 INFO [stderr] 363 |         temp.drain(..search.len()).collect::<String>();
Nov 28 18:44:03.052 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 18:44:03.052 INFO [stderr]     |
Nov 28 18:44:03.052 INFO [stderr]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 28 18:44:03.052 INFO [stderr] 
Nov 28 18:44:10.217 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.60s
Nov 28 18:44:10.222 INFO [stderr] su: No module specific data is present
Nov 28 18:44:11.323 INFO running `"docker" "inspect" "83037954ba4c7460ded47212a2d2a7103a08bf741b10236995abf379dc469f5c"`
Nov 28 18:44:11.646 INFO running `"docker" "rm" "-f" "83037954ba4c7460ded47212a2d2a7103a08bf741b10236995abf379dc469f5c"`
Nov 28 18:44:12.064 INFO [stdout] 83037954ba4c7460ded47212a2d2a7103a08bf741b10236995abf379dc469f5c