Dec 18 18:05:10.823 INFO checking bnf-0.2.2 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 18:05:10.824 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/bnf/0.2.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 18:05:11.086 INFO [stdout] 908a44d3f2a3c6dfdd4eac326d5f84109f4e3b96be3fdc6dbffdf34e492a4e39
Dec 18 18:05:11.086 INFO running `"docker" "start" "-a" "908a44d3f2a3c6dfdd4eac326d5f84109f4e3b96be3fdc6dbffdf34e492a4e39"`
Dec 18 18:05:12.277 INFO [stderr]     Checking bnf v0.2.2 (/opt/crater/workdir)
Dec 18 18:05:13.254 INFO [stderr] error[E0308]: mismatched types
Dec 18 18:05:13.254 INFO [stderr]   --> src/grammar.rs:73:41
Dec 18 18:05:13.254 INFO [stderr]    |
Dec 18 18:05:13.254 INFO [stderr] 73 |         if stacker::remaining_stack() < stack_red_zone {
Dec 18 18:05:13.254 INFO [stderr]    |                                         ^^^^^^^^^^^^^^
Dec 18 18:05:13.254 INFO [stderr]    |                                         |
Dec 18 18:05:13.254 INFO [stderr]    |                                         expected enum `std::option::Option`, found usize
Dec 18 18:05:13.254 INFO [stderr]    |                                         help: try using a variant of the expected type: `Some(stack_red_zone)`
Dec 18 18:05:13.254 INFO [stderr]    |
Dec 18 18:05:13.254 INFO [stderr]    = note: expected type `std::option::Option<usize>`
Dec 18 18:05:13.254 INFO [stderr]               found type `usize`
Dec 18 18:05:13.254 INFO [stderr] 
Dec 18 18:05:13.492 INFO [stderr] error: aborting due to previous error
Dec 18 18:05:13.492 INFO [stderr] 
Dec 18 18:05:13.493 INFO [stderr] For more information about this error, try `rustc --explain E0308`.
Dec 18 18:05:13.504 INFO [stderr] error: Could not compile `bnf`.
Dec 18 18:05:13.505 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 18 18:05:13.651 INFO [stderr] error[E0308]: mismatched types
Dec 18 18:05:13.651 INFO [stderr]   --> src/grammar.rs:73:41
Dec 18 18:05:13.652 INFO [stderr]    |
Dec 18 18:05:13.652 INFO [stderr] 73 |         if stacker::remaining_stack() < stack_red_zone {
Dec 18 18:05:13.652 INFO [stderr]    |                                         ^^^^^^^^^^^^^^
Dec 18 18:05:13.653 INFO [stderr]    |                                         |
Dec 18 18:05:13.653 INFO [stderr]    |                                         expected enum `std::option::Option`, found usize
Dec 18 18:05:13.653 INFO [stderr]    |                                         help: try using a variant of the expected type: `Some(stack_red_zone)`
Dec 18 18:05:13.653 INFO [stderr]    |
Dec 18 18:05:13.654 INFO [stderr]    = note: expected type `std::option::Option<usize>`
Dec 18 18:05:13.654 INFO [stderr]               found type `usize`
Dec 18 18:05:13.654 INFO [stderr] 
Dec 18 18:05:13.935 INFO [stderr] error: aborting due to previous error
Dec 18 18:05:13.935 INFO [stderr] 
Dec 18 18:05:13.935 INFO [stderr] For more information about this error, try `rustc --explain E0308`.
Dec 18 18:05:13.955 INFO [stderr] error: Could not compile `bnf`.
Dec 18 18:05:13.955 INFO [stderr] 
Dec 18 18:05:13.955 INFO [stderr] To learn more, run the command again with --verbose.
Dec 18 18:05:14.616 INFO running `"docker" "inspect" "908a44d3f2a3c6dfdd4eac326d5f84109f4e3b96be3fdc6dbffdf34e492a4e39"`
Dec 18 18:05:14.940 INFO running `"docker" "rm" "-f" "908a44d3f2a3c6dfdd4eac326d5f84109f4e3b96be3fdc6dbffdf34e492a4e39"`
Dec 18 18:05:15.244 INFO [stdout] 908a44d3f2a3c6dfdd4eac326d5f84109f4e3b96be3fdc6dbffdf34e492a4e39