Sep 06 01:30:50.603 INFO checking rerast-0.1.28 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 06 01:30:50.603 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 06 01:30:50.603 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-5/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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=1000" "-e" "CMD=cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 01:30:50.737 INFO blam! 251fc508cbb2b0cf3b37dda2ce99b07423ef230f74e6583e7caf3cbbbaadd427
Sep 06 01:30:50.738 INFO running `"docker" "start" "-a" "251fc508cbb2b0cf3b37dda2ce99b07423ef230f74e6583e7caf3cbbbaadd427"`
Sep 06 01:30:52.084 INFO kablam! usermod: no changes
Sep 06 01:30:52.245 INFO kablam!     Checking rerast_macros v0.1.12
Sep 06 01:30:52.248 INFO kablam!    Compiling cargo_metadata v0.5.8
Sep 06 01:30:52.409 INFO kablam!     Checking rerast v0.1.28 (file:///source)
Sep 06 01:30:55.225 INFO kablam!    Compiling skeptic v0.13.3
Sep 06 01:30:55.684 INFO kablam! error[E0599]: no method named `attempt_match` found for type `std::option::Option<rustc::hir::Guard>` in the current scope
Sep 06 01:30:55.684 INFO kablam!    --> src/rule_matcher.rs:820:27
Sep 06 01:30:55.684 INFO kablam!     |
Sep 06 01:30:55.684 INFO kablam! 820 |             && self.guard.attempt_match(state, &code.guard)
Sep 06 01:30:55.684 INFO kablam!     |                           ^^^^^^^^^^^^^
Sep 06 01:30:55.684 INFO kablam!     |
Sep 06 01:30:55.684 INFO kablam!     = note: the method `attempt_match` exists but the following trait bounds were not satisfied:
Sep 06 01:30:55.685 INFO kablam!             `std::option::Option<rustc::hir::Guard> : rule_matcher::Matchable`
Sep 06 01:30:55.685 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Sep 06 01:30:55.685 INFO kablam!     = note: the following trait defines an item `attempt_match`, perhaps you need to implement it:
Sep 06 01:30:55.685 INFO kablam!             candidate #1: `rule_matcher::Matchable`
Sep 06 01:30:55.685 INFO kablam! 
Sep 06 01:30:55.773 INFO kablam! error: aborting due to previous error
Sep 06 01:30:55.773 INFO kablam! 
Sep 06 01:30:55.773 INFO kablam! For more information about this error, try `rustc --explain E0599`.
Sep 06 01:30:55.791 INFO kablam! error: Could not compile `rerast`.
Sep 06 01:30:55.791 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 06 01:30:57.286 INFO kablam! error: build failed
Sep 06 01:30:57.288 INFO kablam! su: No module specific data is present
Sep 06 01:30:58.092 INFO running `"docker" "rm" "-f" "251fc508cbb2b0cf3b37dda2ce99b07423ef230f74e6583e7caf3cbbbaadd427"`
Sep 06 01:30:58.151 INFO blam! 251fc508cbb2b0cf3b37dda2ce99b07423ef230f74e6583e7caf3cbbbaadd427