Nov 02 20:31:07.518 INFO checking MindFlavor/bpb against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 20:31:07.518 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-5/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 02 20:31:07.893 INFO blam! e7138398daece60b1c3645d42cb689d97a632396f997597cdc7d3e7fec93e7df
Nov 02 20:31:07.900 INFO running `"docker" "start" "-a" "e7138398daece60b1c3645d42cb689d97a632396f997597cdc7d3e7fec93e7df"`
Nov 02 20:31:08.884 INFO kablam! usermod: no changes
Nov 02 20:31:08.998 INFO kablam!     Checking bpb v0.1.1 (/source)
Nov 02 20:31:10.671 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 02 20:31:10.671 INFO kablam!   --> src/main.rs:62:9
Nov 02 20:31:10.671 INFO kablam!    |
Nov 02 20:31:10.671 INFO kablam! 62 | /         stc.fields
Nov 02 20:31:10.671 INFO kablam! 63 | |             .iter()
Nov 02 20:31:10.671 INFO kablam! 64 | |             .filter(|f| !f.optional)
Nov 02 20:31:10.671 INFO kablam! 65 | |             .map(|bt| abt.push(bt.builder_type.clone().unwrap()))
Nov 02 20:31:10.671 INFO kablam! 66 | |             .collect::<()>();
Nov 02 20:31:10.671 INFO kablam!    | |_____________________________^
Nov 02 20:31:10.671 INFO kablam!    |
Nov 02 20:31:10.671 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 02 20:31:10.671 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 02 20:31:10.671 INFO kablam! 
Nov 02 20:31:10.972 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 02 20:31:10.972 INFO kablam!   --> src/main.rs:62:9
Nov 02 20:31:10.972 INFO kablam!    |
Nov 02 20:31:10.972 INFO kablam! 62 | /         stc.fields
Nov 02 20:31:10.972 INFO kablam! 63 | |             .iter()
Nov 02 20:31:10.972 INFO kablam! 64 | |             .filter(|f| !f.optional)
Nov 02 20:31:10.972 INFO kablam! 65 | |             .map(|bt| abt.push(bt.builder_type.clone().unwrap()))
Nov 02 20:31:10.972 INFO kablam! 66 | |             .collect::<()>();
Nov 02 20:31:10.972 INFO kablam!    | |_____________________________^
Nov 02 20:31:10.972 INFO kablam!    |
Nov 02 20:31:10.972 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 02 20:31:10.972 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 02 20:31:10.972 INFO kablam! 
Nov 02 20:31:11.008 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.07s
Nov 02 20:31:11.008 INFO kablam! su: No module specific data is present
Nov 02 20:31:11.760 INFO running `"docker" "rm" "-f" "e7138398daece60b1c3645d42cb689d97a632396f997597cdc7d3e7fec93e7df"`
Nov 02 20:31:12.086 INFO blam! e7138398daece60b1c3645d42cb689d97a632396f997597cdc7d3e7fec93e7df