Sep 19 21:49:14.369 INFO checking rerast-0.1.28 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 19 21:49:14.369 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 19 21:49:14.369 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-1/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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 +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 21:49:14.569 INFO blam! acd093ab9ccecf197b67d13b17e9224105f34fb6d7aa00497d36f4cedf93933e
Sep 19 21:49:14.571 INFO running `"docker" "start" "-a" "acd093ab9ccecf197b67d13b17e9224105f34fb6d7aa00497d36f4cedf93933e"`
Sep 19 21:49:15.226 INFO kablam! usermod: no changes
Sep 19 21:49:15.374 INFO kablam!     Checking rerast_macros v0.1.12
Sep 19 21:49:15.378 INFO kablam!    Compiling error-chain v0.11.0
Sep 19 21:49:15.575 INFO kablam!     Checking rerast v0.1.28 (/source)
Sep 19 21:49:16.131 INFO kablam!    Compiling cargo_metadata v0.5.8
Sep 19 21:49:18.978 INFO kablam! error[E0599]: no method named `attempt_match` found for type `std::option::Option<rustc::hir::Guard>` in the current scope
Sep 19 21:49:18.978 INFO kablam!    --> src/rule_matcher.rs:820:27
Sep 19 21:49:18.978 INFO kablam!     |
Sep 19 21:49:18.978 INFO kablam! 820 |             && self.guard.attempt_match(state, &code.guard)
Sep 19 21:49:18.978 INFO kablam!     |                           ^^^^^^^^^^^^^
Sep 19 21:49:18.978 INFO kablam!     |
Sep 19 21:49:18.978 INFO kablam!     = note: the method `attempt_match` exists but the following trait bounds were not satisfied:
Sep 19 21:49:18.978 INFO kablam!             `std::option::Option<rustc::hir::Guard> : rule_matcher::Matchable`
Sep 19 21:49:18.978 INFO kablam!     = help: items from traits can only be used if the trait is implemented and in scope
Sep 19 21:49:18.978 INFO kablam!     = note: the following trait defines an item `attempt_match`, perhaps you need to implement it:
Sep 19 21:49:18.978 INFO kablam!             candidate #1: `rule_matcher::Matchable`
Sep 19 21:49:18.978 INFO kablam! 
Sep 19 21:49:19.130 INFO kablam! error: aborting due to previous error
Sep 19 21:49:19.130 INFO kablam! 
Sep 19 21:49:19.130 INFO kablam! For more information about this error, try `rustc --explain E0599`.
Sep 19 21:49:19.147 INFO kablam! error: Could not compile `rerast`.
Sep 19 21:49:19.147 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 19 21:49:19.301 INFO kablam! error: build failed
Sep 19 21:49:19.301 INFO kablam! su: No module specific data is present
Sep 19 21:49:19.960 INFO running `"docker" "rm" "-f" "acd093ab9ccecf197b67d13b17e9224105f34fb6d7aa00497d36f4cedf93933e"`
Sep 19 21:49:20.039 INFO blam! acd093ab9ccecf197b67d13b17e9224105f34fb6d7aa00497d36f4cedf93933e