Nov 30 09:41:12.712 INFO checking MindFlavor/bpb against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 09:41:12.713 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 09:41:13.015 INFO [stdout] de2f751b57c8a53148948e29d54881a78c90072a5990a2e8cd59e38fbd3096c7
Nov 30 09:41:13.017 INFO running `"docker" "start" "-a" "de2f751b57c8a53148948e29d54881a78c90072a5990a2e8cd59e38fbd3096c7"`
Nov 30 09:41:13.411 INFO [stderr] usermod: no changes
Nov 30 09:41:13.465 INFO [stderr]     Checking bpb v0.1.1 (/source)
Nov 30 09:41:14.576 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 30 09:41:14.576 INFO [stderr]   --> src/main.rs:62:9
Nov 30 09:41:14.576 INFO [stderr]    |
Nov 30 09:41:14.576 INFO [stderr] 62 | /         stc.fields
Nov 30 09:41:14.576 INFO [stderr] 63 | |             .iter()
Nov 30 09:41:14.576 INFO [stderr] 64 | |             .filter(|f| !f.optional)
Nov 30 09:41:14.576 INFO [stderr] 65 | |             .map(|bt| abt.push(bt.builder_type.clone().unwrap()))
Nov 30 09:41:14.576 INFO [stderr] 66 | |             .collect::<()>();
Nov 30 09:41:14.576 INFO [stderr]    | |_____________________________^
Nov 30 09:41:14.576 INFO [stderr]    |
Nov 30 09:41:14.576 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 09:41:14.576 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 30 09:41:14.576 INFO [stderr] 
Nov 30 09:41:14.729 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 30 09:41:14.729 INFO [stderr]   --> src/main.rs:62:9
Nov 30 09:41:14.729 INFO [stderr]    |
Nov 30 09:41:14.729 INFO [stderr] 62 | /         stc.fields
Nov 30 09:41:14.729 INFO [stderr] 63 | |             .iter()
Nov 30 09:41:14.729 INFO [stderr] 64 | |             .filter(|f| !f.optional)
Nov 30 09:41:14.729 INFO [stderr] 65 | |             .map(|bt| abt.push(bt.builder_type.clone().unwrap()))
Nov 30 09:41:14.729 INFO [stderr] 66 | |             .collect::<()>();
Nov 30 09:41:14.729 INFO [stderr]    | |_____________________________^
Nov 30 09:41:14.729 INFO [stderr]    |
Nov 30 09:41:14.729 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 09:41:14.729 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 30 09:41:14.729 INFO [stderr] 
Nov 30 09:41:14.758 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
Nov 30 09:41:14.762 INFO [stderr] su: No module specific data is present
Nov 30 09:41:15.164 INFO running `"docker" "inspect" "de2f751b57c8a53148948e29d54881a78c90072a5990a2e8cd59e38fbd3096c7"`
Nov 30 09:41:15.418 INFO running `"docker" "rm" "-f" "de2f751b57c8a53148948e29d54881a78c90072a5990a2e8cd59e38fbd3096c7"`
Nov 30 09:41:15.718 INFO [stdout] de2f751b57c8a53148948e29d54881a78c90072a5990a2e8cd59e38fbd3096c7