Sep 14 10:44:51.691 INFO checking rerast-0.1.28 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 10:44:51.691 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 10:44:51.691 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-6/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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 +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 10:44:51.816 INFO blam! ebf451d64d3a6bc5f00e3daf4b55c2b922f7c67a87a6fd4b14e78b8df5d29f1b
Sep 14 10:44:51.818 INFO running `"docker" "start" "-a" "ebf451d64d3a6bc5f00e3daf4b55c2b922f7c67a87a6fd4b14e78b8df5d29f1b"`
Sep 14 10:44:53.595 INFO kablam! usermod: no changes
Sep 14 10:44:53.791 INFO kablam!     Checking rerast_macros v0.1.12
Sep 14 10:44:54.058 INFO kablam!     Checking rerast v0.1.28 (file:///source)
Sep 14 10:44:57.215 INFO kablam! error[E0599]: no method named `attempt_match` found for type `std::option::Option<rustc::hir::Guard>` in the current scope
Sep 14 10:44:57.215 INFO kablam!    --> src/rule_matcher.rs:820:27
Sep 14 10:44:57.215 INFO kablam!     |
Sep 14 10:44:57.215 INFO kablam! 820 |             && self.guard.attempt_match(state, &code.guard)
Sep 14 10:44:57.215 INFO kablam!     |                           ^^^^^^^^^^^^^
Sep 14 10:44:57.215 INFO kablam!     |
Sep 14 10:44:57.215 INFO kablam!     = note: the method `attempt_match` exists but the following trait bounds were not satisfied:
Sep 14 10:44:57.215 INFO kablam!             `std::option::Option<rustc::hir::Guard> : rule_matcher::Matchable`
Sep 14 10:44:57.215 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Sep 14 10:44:57.215 INFO kablam!     = note: the following trait defines an item `attempt_match`, perhaps you need to implement it:
Sep 14 10:44:57.215 INFO kablam!             candidate #1: `rule_matcher::Matchable`
Sep 14 10:44:57.215 INFO kablam! 
Sep 14 10:44:57.335 INFO kablam! error[E0599]: no method named `attempt_match` found for type `std::option::Option<rustc::hir::Guard>` in the current scope
Sep 14 10:44:57.335 INFO kablam!    --> src/rule_matcher.rs:820:27
Sep 14 10:44:57.335 INFO kablam!     |
Sep 14 10:44:57.335 INFO kablam! 820 |             && self.guard.attempt_match(state, &code.guard)
Sep 14 10:44:57.335 INFO kablam!     |                           ^^^^^^^^^^^^^
Sep 14 10:44:57.335 INFO kablam!     |
Sep 14 10:44:57.335 INFO kablam!     = note: the method `attempt_match` exists but the following trait bounds were not satisfied:
Sep 14 10:44:57.335 INFO kablam!             `std::option::Option<rustc::hir::Guard> : rule_matcher::Matchable`
Sep 14 10:44:57.335 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Sep 14 10:44:57.335 INFO kablam!     = note: the following trait defines an item `attempt_match`, perhaps you need to implement it:
Sep 14 10:44:57.335 INFO kablam!             candidate #1: `rule_matcher::Matchable`
Sep 14 10:44:57.335 INFO kablam! 
Sep 14 10:44:57.339 INFO kablam! error: aborting due to previous error
Sep 14 10:44:57.343 INFO kablam! 
Sep 14 10:44:57.343 INFO kablam! For more information about this error, try `rustc --explain E0599`.
Sep 14 10:44:57.359 INFO kablam! error: Could not compile `rerast`.
Sep 14 10:44:57.359 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 14 10:44:57.429 INFO kablam! error: aborting due to previous error
Sep 14 10:44:57.429 INFO kablam! 
Sep 14 10:44:57.429 INFO kablam! For more information about this error, try `rustc --explain E0599`.
Sep 14 10:44:57.452 INFO kablam! error: Could not compile `rerast`.
Sep 14 10:44:57.452 INFO kablam! 
Sep 14 10:44:57.452 INFO kablam! To learn more, run the command again with --verbose.
Sep 14 10:44:57.454 INFO kablam! su: No module specific data is present
Sep 14 10:44:58.204 INFO running `"docker" "rm" "-f" "ebf451d64d3a6bc5f00e3daf4b55c2b922f7c67a87a6fd4b14e78b8df5d29f1b"`
Sep 14 10:44:58.304 INFO blam! ebf451d64d3a6bc5f00e3daf4b55c2b922f7c67a87a6fd4b14e78b8df5d29f1b