Nov 30 09:41:09.866 INFO checking MindFlavor/bpb against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 09:41:09.866 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 09:41:12.872 INFO [stdout] 3a5458e0accb3b561e40c843fd7c324e11ec621d9652c8c56a6a6ff0248eb519
Nov 30 09:41:12.876 INFO running `"docker" "start" "-a" "3a5458e0accb3b561e40c843fd7c324e11ec621d9652c8c56a6a6ff0248eb519"`
Nov 30 09:41:13.392 INFO [stderr] usermod: no changes
Nov 30 09:41:13.443 INFO [stderr]     Checking bpb v0.1.1 (/source)
Nov 30 09:41:14.564 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 30 09:41:14.564 INFO [stderr]   --> src/main.rs:62:9
Nov 30 09:41:14.564 INFO [stderr]    |
Nov 30 09:41:14.564 INFO [stderr] 62 | /         stc.fields
Nov 30 09:41:14.564 INFO [stderr] 63 | |             .iter()
Nov 30 09:41:14.564 INFO [stderr] 64 | |             .filter(|f| !f.optional)
Nov 30 09:41:14.564 INFO [stderr] 65 | |             .map(|bt| abt.push(bt.builder_type.clone().unwrap()))
Nov 30 09:41:14.564 INFO [stderr] 66 | |             .collect::<()>();
Nov 30 09:41:14.564 INFO [stderr]    | |_____________________________^
Nov 30 09:41:14.564 INFO [stderr]    |
Nov 30 09:41:14.564 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 09:41:14.564 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 30 09:41:14.564 INFO [stderr] 
Nov 30 09:41:14.613 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 30 09:41:14.613 INFO [stderr]   --> src/main.rs:62:9
Nov 30 09:41:14.613 INFO [stderr]    |
Nov 30 09:41:14.613 INFO [stderr] 62 | /         stc.fields
Nov 30 09:41:14.613 INFO [stderr] 63 | |             .iter()
Nov 30 09:41:14.613 INFO [stderr] 64 | |             .filter(|f| !f.optional)
Nov 30 09:41:14.613 INFO [stderr] 65 | |             .map(|bt| abt.push(bt.builder_type.clone().unwrap()))
Nov 30 09:41:14.613 INFO [stderr] 66 | |             .collect::<()>();
Nov 30 09:41:14.613 INFO [stderr]    | |_____________________________^
Nov 30 09:41:14.613 INFO [stderr]    |
Nov 30 09:41:14.613 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 09:41:14.613 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 30 09:41:14.613 INFO [stderr] 
Nov 30 09:41:14.635 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
Nov 30 09:41:14.635 INFO [stderr] su: No module specific data is present
Nov 30 09:41:15.022 INFO running `"docker" "inspect" "3a5458e0accb3b561e40c843fd7c324e11ec621d9652c8c56a6a6ff0248eb519"`
Nov 30 09:41:15.138 INFO running `"docker" "rm" "-f" "3a5458e0accb3b561e40c843fd7c324e11ec621d9652c8c56a6a6ff0248eb519"`
Nov 30 09:41:15.382 INFO [stdout] 3a5458e0accb3b561e40c843fd7c324e11ec621d9652c8c56a6a6ff0248eb519