Sep 19 19:54:59.715 INFO checking rerast-0.1.28 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346 Sep 19 19:54:59.715 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets Sep 19 19:54:59.715 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-1/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"` Sep 19 19:55:00.054 INFO blam! 00af4cb95212c8e5e80279d6e6023531b0e98d6153f3e4f9f2c32a806727dd28 Sep 19 19:55:00.056 INFO running `"docker" "start" "-a" "00af4cb95212c8e5e80279d6e6023531b0e98d6153f3e4f9f2c32a806727dd28"` Sep 19 19:55:01.522 INFO kablam! usermod: no changes Sep 19 19:55:01.705 INFO kablam! Checking rerast_macros v0.1.12 Sep 19 19:55:01.715 INFO kablam! Compiling cargo_metadata v0.5.8 Sep 19 19:55:01.957 INFO kablam! Checking rerast v0.1.28 (/source) Sep 19 19:55:04.661 INFO kablam! Compiling skeptic v0.13.3 Sep 19 19:55:05.189 INFO kablam! error[E0599]: no method named `attempt_match` found for type `std::option::Option` in the current scope Sep 19 19:55:05.189 INFO kablam! --> src/rule_matcher.rs:820:27 Sep 19 19:55:05.189 INFO kablam! | Sep 19 19:55:05.190 INFO kablam! 820 | && self.guard.attempt_match(state, &code.guard) Sep 19 19:55:05.190 INFO kablam! | ^^^^^^^^^^^^^ Sep 19 19:55:05.190 INFO kablam! | Sep 19 19:55:05.190 INFO kablam! = note: the method `attempt_match` exists but the following trait bounds were not satisfied: Sep 19 19:55:05.190 INFO kablam! `std::option::Option : rule_matcher::Matchable` Sep 19 19:55:05.190 INFO kablam! = help: items from traits can only be used if the trait is implemented and in scope Sep 19 19:55:05.190 INFO kablam! = note: the following trait defines an item `attempt_match`, perhaps you need to implement it: Sep 19 19:55:05.190 INFO kablam! candidate #1: `rule_matcher::Matchable` Sep 19 19:55:05.190 INFO kablam! Sep 19 19:55:05.279 INFO kablam! error: aborting due to previous error Sep 19 19:55:05.279 INFO kablam! Sep 19 19:55:05.279 INFO kablam! For more information about this error, try `rustc --explain E0599`. Sep 19 19:55:05.299 INFO kablam! error: Could not compile `rerast`. Sep 19 19:55:05.299 INFO kablam! warning: build failed, waiting for other jobs to finish... Sep 19 19:55:06.273 INFO kablam! error: build failed Sep 19 19:55:06.275 INFO kablam! su: No module specific data is present Sep 19 19:55:07.181 INFO running `"docker" "rm" "-f" "00af4cb95212c8e5e80279d6e6023531b0e98d6153f3e4f9f2c32a806727dd28"` Sep 19 19:55:07.234 INFO blam! 00af4cb95212c8e5e80279d6e6023531b0e98d6153f3e4f9f2c32a806727dd28