Sep 19 19:54:58.902 INFO checking rerast-0.1.28 against try#fcacde07b66fe513e52c41b73aef91bcc121905b for pr-54346
Sep 19 19:54:58.903 INFO running: cargo +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets
Sep 19 19:54:58.903 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54346/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-6/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/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 +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 19:54:59.252 INFO blam! 381af0e5a6705f40252082f995a5d51825a9384f0ecc310cf3c1e370c520bc3b
Sep 19 19:54:59.254 INFO running `"docker" "start" "-a" "381af0e5a6705f40252082f995a5d51825a9384f0ecc310cf3c1e370c520bc3b"`
Sep 19 19:55:00.338 INFO kablam! usermod: no changes
Sep 19 19:55:00.595 INFO kablam!     Checking rerast_macros v0.1.12
Sep 19 19:55:00.595 INFO kablam!     Checking itertools v0.5.10
Sep 19 19:55:02.251 INFO kablam!     Checking rerast v0.1.28 (/source)
Sep 19 19:55:05.150 INFO kablam! error[E0599]: no method named `attempt_match` found for type `std::option::Option<rustc::hir::Guard>` in the current scope
Sep 19 19:55:05.151 INFO kablam!    --> src/rule_matcher.rs:820:27
Sep 19 19:55:05.151 INFO kablam!     |
Sep 19 19:55:05.151 INFO kablam! 820 |             && self.guard.attempt_match(state, &code.guard)
Sep 19 19:55:05.151 INFO kablam!     |                           ^^^^^^^^^^^^^
Sep 19 19:55:05.151 INFO kablam!     |
Sep 19 19:55:05.151 INFO kablam!     = note: the method `attempt_match` exists but the following trait bounds were not satisfied:
Sep 19 19:55:05.151 INFO kablam!             `std::option::Option<rustc::hir::Guard> : rule_matcher::Matchable`
Sep 19 19:55:05.151 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Sep 19 19:55:05.151 INFO kablam!     = note: the following trait defines an item `attempt_match`, perhaps you need to implement it:
Sep 19 19:55:05.151 INFO kablam!             candidate #1: `rule_matcher::Matchable`
Sep 19 19:55:05.151 INFO kablam! 
Sep 19 19:55:05.233 INFO kablam! error: aborting due to previous error
Sep 19 19:55:05.233 INFO kablam! 
Sep 19 19:55:05.233 INFO kablam! For more information about this error, try `rustc --explain E0599`.
Sep 19 19:55:05.250 INFO kablam! error: Could not compile `rerast`.
Sep 19 19:55:05.250 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 19 19:55:05.293 INFO kablam! error[E0599]: no method named `attempt_match` found for type `std::option::Option<rustc::hir::Guard>` in the current scope
Sep 19 19:55:05.293 INFO kablam!    --> src/rule_matcher.rs:820:27
Sep 19 19:55:05.293 INFO kablam!     |
Sep 19 19:55:05.293 INFO kablam! 820 |             && self.guard.attempt_match(state, &code.guard)
Sep 19 19:55:05.293 INFO kablam!     |                           ^^^^^^^^^^^^^
Sep 19 19:55:05.293 INFO kablam!     |
Sep 19 19:55:05.293 INFO kablam!     = note: the method `attempt_match` exists but the following trait bounds were not satisfied:
Sep 19 19:55:05.293 INFO kablam!             `std::option::Option<rustc::hir::Guard> : rule_matcher::Matchable`
Sep 19 19:55:05.293 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Sep 19 19:55:05.293 INFO kablam!     = note: the following trait defines an item `attempt_match`, perhaps you need to implement it:
Sep 19 19:55:05.293 INFO kablam!             candidate #1: `rule_matcher::Matchable`
Sep 19 19:55:05.293 INFO kablam! 
Sep 19 19:55:05.391 INFO kablam! error: aborting due to previous error
Sep 19 19:55:05.391 INFO kablam! 
Sep 19 19:55:05.391 INFO kablam! For more information about this error, try `rustc --explain E0599`.
Sep 19 19:55:05.412 INFO kablam! error: Could not compile `rerast`.
Sep 19 19:55:05.412 INFO kablam! 
Sep 19 19:55:05.412 INFO kablam! To learn more, run the command again with --verbose.
Sep 19 19:55:05.414 INFO kablam! su: No module specific data is present
Sep 19 19:55:05.772 INFO running `"docker" "rm" "-f" "381af0e5a6705f40252082f995a5d51825a9384f0ecc310cf3c1e370c520bc3b"`
Sep 19 19:55:05.918 INFO blam! 381af0e5a6705f40252082f995a5d51825a9384f0ecc310cf3c1e370c520bc3b