Sep 04 17:11:27.684 INFO checking fuzzmutator-0.2.1 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 17:11:27.684 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 17:11:27.684 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-2/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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=500" "-e" "CMD=cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 17:11:27.902 INFO blam! 452a318061539b741dc4ea1aea54a2c390d60ca9c8fb363350b29bf4cd33a295
Sep 04 17:11:27.904 INFO running `"docker" "start" "-a" "452a318061539b741dc4ea1aea54a2c390d60ca9c8fb363350b29bf4cd33a295"`
Sep 04 17:11:28.715 INFO kablam!     Checking rand v0.4.3
Sep 04 17:11:28.716 INFO kablam!     Checking fuzzmutator v0.2.1 (file:///source)
Sep 04 17:11:29.697 INFO kablam! error[E0599]: no method named `mutation_grade` found for type `mutator::MutatorEngine` in the current scope
Sep 04 17:11:29.698 INFO kablam!    --> src/mutator.rs:389:19
Sep 04 17:11:29.698 INFO kablam!     |
Sep 04 17:11:29.698 INFO kablam! 28  | pub struct MutatorEngine {
Sep 04 17:11:29.698 INFO kablam!     | ------------------------ method `mutation_grade` not found for this
Sep 04 17:11:29.698 INFO kablam! ...
Sep 04 17:11:29.698 INFO kablam! 389 |         mutatoren.mutation_grade(0.199);
Sep 04 17:11:29.698 INFO kablam!     |                   ^^^^^^^^^^^^^^
Sep 04 17:11:29.698 INFO kablam! 
Sep 04 17:11:29.706 INFO kablam! error: aborting due to previous error
Sep 04 17:11:29.706 INFO kablam! 
Sep 04 17:11:29.706 INFO kablam! For more information about this error, try `rustc --explain E0599`.
Sep 04 17:11:29.716 INFO kablam! error: Could not compile `fuzzmutator`.
Sep 04 17:11:29.716 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 04 17:11:31.712 INFO kablam! error: build failed
Sep 04 17:11:31.713 INFO kablam! su: No module specific data is present
Sep 04 17:11:32.214 INFO running `"docker" "rm" "-f" "452a318061539b741dc4ea1aea54a2c390d60ca9c8fb363350b29bf4cd33a295"`
Sep 04 17:11:32.314 INFO blam! 452a318061539b741dc4ea1aea54a2c390d60ca9c8fb363350b29bf4cd33a295