Oct 27 10:37:30.609 INFO checking MindFlavor/bpb against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192-2
Oct 27 10:37:30.609 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-2/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/pr-55192-2/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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 27 10:37:30.959 INFO blam! a0f789bfcdd136dbdf7248fb6903422c42692d4d1515cef1a05634198c8b4813
Oct 27 10:37:30.961 INFO running `"docker" "start" "-a" "a0f789bfcdd136dbdf7248fb6903422c42692d4d1515cef1a05634198c8b4813"`
Oct 27 10:37:32.270 INFO kablam! usermod: no changes
Oct 27 10:37:32.343 INFO kablam!     Checking bpb v0.1.1 (/source)
Oct 27 10:37:33.999 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Oct 27 10:37:33.999 INFO kablam!   --> src/main.rs:62:9
Oct 27 10:37:33.999 INFO kablam!    |
Oct 27 10:37:33.999 INFO kablam! 62 | /         stc.fields
Oct 27 10:37:33.999 INFO kablam! 63 | |             .iter()
Oct 27 10:37:33.999 INFO kablam! 64 | |             .filter(|f| !f.optional)
Oct 27 10:37:33.999 INFO kablam! 65 | |             .map(|bt| abt.push(bt.builder_type.clone().unwrap()))
Oct 27 10:37:33.999 INFO kablam! 66 | |             .collect::<()>();
Oct 27 10:37:33.999 INFO kablam!    | |_____________________________^
Oct 27 10:37:33.999 INFO kablam!    |
Oct 27 10:37:33.999 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 27 10:37:33.999 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Oct 27 10:37:33.999 INFO kablam! 
Oct 27 10:37:34.043 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Oct 27 10:37:34.043 INFO kablam!   --> src/main.rs:62:9
Oct 27 10:37:34.043 INFO kablam!    |
Oct 27 10:37:34.043 INFO kablam! 62 | /         stc.fields
Oct 27 10:37:34.043 INFO kablam! 63 | |             .iter()
Oct 27 10:37:34.043 INFO kablam! 64 | |             .filter(|f| !f.optional)
Oct 27 10:37:34.043 INFO kablam! 65 | |             .map(|bt| abt.push(bt.builder_type.clone().unwrap()))
Oct 27 10:37:34.043 INFO kablam! 66 | |             .collect::<()>();
Oct 27 10:37:34.043 INFO kablam!    | |_____________________________^
Oct 27 10:37:34.043 INFO kablam!    |
Oct 27 10:37:34.043 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 27 10:37:34.043 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Oct 27 10:37:34.043 INFO kablam! 
Oct 27 10:37:34.087 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.79s
Oct 27 10:37:34.087 INFO kablam! su: No module specific data is present
Oct 27 10:37:35.027 INFO running `"docker" "rm" "-f" "a0f789bfcdd136dbdf7248fb6903422c42692d4d1515cef1a05634198c8b4813"`
Oct 27 10:37:35.320 INFO blam! a0f789bfcdd136dbdf7248fb6903422c42692d4d1515cef1a05634198c8b4813