[INFO] crate bnf 0.2.2 is already in cache
[INFO] extracting crate bnf 0.2.2 into work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/bnf/0.2.2
[INFO] extracting crate bnf 0.2.2 into work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/bnf/0.2.2
[INFO] validating manifest of bnf-0.2.2 on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bnf-0.2.2 on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bnf-0.2.2
[INFO] finished frobbing bnf-0.2.2
[INFO] frobbed toml for bnf-0.2.2 written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/bnf/0.2.2/Cargo.toml
[INFO] started frobbing bnf-0.2.2
[INFO] finished frobbing bnf-0.2.2
[INFO] frobbed toml for bnf-0.2.2 written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/bnf/0.2.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking bnf-0.2.2 against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-0/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/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" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b95734a289d5789e2049f3a309ce937ab7d60e3df469f8f1850cb787ed71c760
[INFO] running `"docker" "start" "-a" "b95734a289d5789e2049f3a309ce937ab7d60e3df469f8f1850cb787ed71c760"`
[INFO] [stderr]    Compiling stacker v0.1.5
[INFO] [stderr]     Checking bnf v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/grammar.rs:73:41
[INFO] [stderr]    |
[INFO] [stderr] 73 |         if stacker::remaining_stack() < stack_red_zone {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^
[INFO] [stderr]    |                                         |
[INFO] [stderr]    |                                         expected enum `std::option::Option`, found usize
[INFO] [stderr]    |                                         help: try using a variant of the expected type: `Some(stack_red_zone)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::option::Option<usize>`
[INFO] [stderr]               found type `usize`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `bnf`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/grammar.rs:73:41
[INFO] [stderr]    |
[INFO] [stderr] 73 |         if stacker::remaining_stack() < stack_red_zone {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^
[INFO] [stderr]    |                                         |
[INFO] [stderr]    |                                         expected enum `std::option::Option`, found usize
[INFO] [stderr]    |                                         help: try using a variant of the expected type: `Some(stack_red_zone)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::option::Option<usize>`
[INFO] [stderr]               found type `usize`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `bnf`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b95734a289d5789e2049f3a309ce937ab7d60e3df469f8f1850cb787ed71c760"`
[INFO] running `"docker" "rm" "-f" "b95734a289d5789e2049f3a309ce937ab7d60e3df469f8f1850cb787ed71c760"`
[INFO] [stdout] b95734a289d5789e2049f3a309ce937ab7d60e3df469f8f1850cb787ed71c760