Sep 17 18:57:55.289 INFO checking rerast-0.1.28 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 18:57:55.289 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 18:57:55.289 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-5/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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 +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 18:57:55.456 INFO blam! 41c62b5b13938611d9fd6ef3f6d8566e136e36a59d484293e36bf2d5755894dc
Sep 17 18:57:55.457 INFO running `"docker" "start" "-a" "41c62b5b13938611d9fd6ef3f6d8566e136e36a59d484293e36bf2d5755894dc"`
Sep 17 18:57:56.707 INFO kablam! usermod: no changes
Sep 17 18:57:56.840 INFO kablam!     Checking rerast_macros v0.1.12
Sep 17 18:57:56.841 INFO kablam!    Compiling semver v0.9.0
Sep 17 18:57:56.842 INFO kablam!    Compiling error-chain v0.11.0
Sep 17 18:57:57.012 INFO kablam!     Checking rerast v0.1.28 (/source)
Sep 17 18:57:57.703 INFO kablam!    Compiling cargo_metadata v0.5.8
Sep 17 18:58:00.355 INFO kablam! error[E0599]: no method named `attempt_match` found for type `std::option::Option<rustc::hir::Guard>` in the current scope
Sep 17 18:58:00.355 INFO kablam!    --> src/rule_matcher.rs:820:27
Sep 17 18:58:00.355 INFO kablam!     |
Sep 17 18:58:00.355 INFO kablam! 820 |             && self.guard.attempt_match(state, &code.guard)
Sep 17 18:58:00.355 INFO kablam!     |                           ^^^^^^^^^^^^^
Sep 17 18:58:00.355 INFO kablam!     |
Sep 17 18:58:00.355 INFO kablam!     = note: the method `attempt_match` exists but the following trait bounds were not satisfied:
Sep 17 18:58:00.355 INFO kablam!             `std::option::Option<rustc::hir::Guard> : rule_matcher::Matchable`
Sep 17 18:58:00.355 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Sep 17 18:58:00.355 INFO kablam!     = note: the following trait defines an item `attempt_match`, perhaps you need to implement it:
Sep 17 18:58:00.355 INFO kablam!             candidate #1: `rule_matcher::Matchable`
Sep 17 18:58:00.355 INFO kablam! 
Sep 17 18:58:00.583 INFO kablam! error: aborting due to previous error
Sep 17 18:58:00.583 INFO kablam! 
Sep 17 18:58:00.583 INFO kablam! For more information about this error, try `rustc --explain E0599`.
Sep 17 18:58:00.612 INFO kablam! error: Could not compile `rerast`.
Sep 17 18:58:00.612 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 17 18:58:01.013 INFO kablam! error: build failed
Sep 17 18:58:01.014 INFO kablam! su: No module specific data is present
Sep 17 18:58:01.794 INFO running `"docker" "rm" "-f" "41c62b5b13938611d9fd6ef3f6d8566e136e36a59d484293e36bf2d5755894dc"`
Sep 17 18:58:01.941 INFO blam! 41c62b5b13938611d9fd6ef3f6d8566e136e36a59d484293e36bf2d5755894dc