Oct 27 10:37:29.996 INFO checking MindFlavor/bpb against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 10:37:29.996 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-7/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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 10:37:30.463 INFO blam! 9e9d57a12b38639d9a8d4423c9e550ad7bbea174db0969e4c1e9bdac12884f70
Oct 27 10:37:30.467 INFO running `"docker" "start" "-a" "9e9d57a12b38639d9a8d4423c9e550ad7bbea174db0969e4c1e9bdac12884f70"`
Oct 27 10:37:31.479 INFO kablam! usermod: no changes
Oct 27 10:37:31.547 INFO kablam!     Checking bpb v0.1.1 (/source)
Oct 27 10:37:33.127 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Oct 27 10:37:33.127 INFO kablam!   --> src/main.rs:62:9
Oct 27 10:37:33.127 INFO kablam!    |
Oct 27 10:37:33.127 INFO kablam! 62 | /         stc.fields
Oct 27 10:37:33.127 INFO kablam! 63 | |             .iter()
Oct 27 10:37:33.127 INFO kablam! 64 | |             .filter(|f| !f.optional)
Oct 27 10:37:33.127 INFO kablam! 65 | |             .map(|bt| abt.push(bt.builder_type.clone().unwrap()))
Oct 27 10:37:33.127 INFO kablam! 66 | |             .collect::<()>();
Oct 27 10:37:33.127 INFO kablam!    | |_____________________________^
Oct 27 10:37:33.127 INFO kablam!    |
Oct 27 10:37:33.127 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 27 10:37:33.127 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Oct 27 10:37:33.127 INFO kablam! 
Oct 27 10:37:33.184 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Oct 27 10:37:33.185 INFO kablam!   --> src/main.rs:62:9
Oct 27 10:37:33.185 INFO kablam!    |
Oct 27 10:37:33.185 INFO kablam! 62 | /         stc.fields
Oct 27 10:37:33.185 INFO kablam! 63 | |             .iter()
Oct 27 10:37:33.185 INFO kablam! 64 | |             .filter(|f| !f.optional)
Oct 27 10:37:33.185 INFO kablam! 65 | |             .map(|bt| abt.push(bt.builder_type.clone().unwrap()))
Oct 27 10:37:33.185 INFO kablam! 66 | |             .collect::<()>();
Oct 27 10:37:33.185 INFO kablam!    | |_____________________________^
Oct 27 10:37:33.185 INFO kablam!    |
Oct 27 10:37:33.185 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 27 10:37:33.185 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Oct 27 10:37:33.185 INFO kablam! 
Oct 27 10:37:33.215 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
Oct 27 10:37:33.223 INFO kablam! su: No module specific data is present
Oct 27 10:37:34.327 INFO running `"docker" "rm" "-f" "9e9d57a12b38639d9a8d4423c9e550ad7bbea174db0969e4c1e9bdac12884f70"`
Oct 27 10:37:34.635 INFO blam! 9e9d57a12b38639d9a8d4423c9e550ad7bbea174db0969e4c1e9bdac12884f70