Sep 04 06:14:44.736 INFO checking rerast-0.1.28 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 04 06:14:44.736 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 04 06:14:44.736 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-0/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 06:14:44.970 INFO blam! da923d54d2d66ef32a6d98492edfdeac45132d1a00748e0cc6efce8044e80081
Sep 04 06:14:44.972 INFO running `"docker" "start" "-a" "da923d54d2d66ef32a6d98492edfdeac45132d1a00748e0cc6efce8044e80081"`
Sep 04 06:14:45.866 INFO kablam!     Checking rerast_macros v0.1.12
Sep 04 06:14:45.870 INFO kablam!    Compiling cargo_metadata v0.5.8
Sep 04 06:14:46.231 INFO kablam!     Checking rerast v0.1.28 (file:///source)
Sep 04 06:14:50.299 INFO kablam!    Compiling skeptic v0.13.3
Sep 04 06:14:51.959 INFO kablam! error[E0599]: no method named `attempt_match` found for type `std::option::Option<rustc::hir::Guard>` in the current scope
Sep 04 06:14:51.959 INFO kablam!    --> src/rule_matcher.rs:820:27
Sep 04 06:14:51.959 INFO kablam!     |
Sep 04 06:14:51.959 INFO kablam! 820 |             && self.guard.attempt_match(state, &code.guard)
Sep 04 06:14:51.959 INFO kablam!     |                           ^^^^^^^^^^^^^
Sep 04 06:14:51.959 INFO kablam!     |
Sep 04 06:14:51.959 INFO kablam!     = note: the method `attempt_match` exists but the following trait bounds were not satisfied:
Sep 04 06:14:51.959 INFO kablam!             `std::option::Option<rustc::hir::Guard> : rule_matcher::Matchable`
Sep 04 06:14:51.960 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Sep 04 06:14:51.960 INFO kablam!     = note: the following trait defines an item `attempt_match`, perhaps you need to implement it:
Sep 04 06:14:51.960 INFO kablam!             candidate #1: `rule_matcher::Matchable`
Sep 04 06:14:51.960 INFO kablam! 
Sep 04 06:14:52.137 INFO kablam! error: aborting due to previous error
Sep 04 06:14:52.137 INFO kablam! 
Sep 04 06:14:52.137 INFO kablam! For more information about this error, try `rustc --explain E0599`.
Sep 04 06:14:52.160 INFO kablam! error: Could not compile `rerast`.
Sep 04 06:14:52.161 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 04 06:14:54.575 INFO kablam! error: build failed
Sep 04 06:14:54.577 INFO kablam! su: No module specific data is present
Sep 04 06:14:55.111 INFO running `"docker" "rm" "-f" "da923d54d2d66ef32a6d98492edfdeac45132d1a00748e0cc6efce8044e80081"`
Sep 04 06:14:55.239 INFO blam! da923d54d2d66ef32a6d98492edfdeac45132d1a00748e0cc6efce8044e80081