Sep 06 06:47:40.494 INFO checking fuzzmutator-0.2.1 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 06:47:40.494 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 06:47:40.495 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-0/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 06:47:40.685 INFO blam! 66c8cb8881422f9bbe646abdea80722db82aae502dae56b18764af10651bc991
Sep 06 06:47:40.687 INFO running `"docker" "start" "-a" "66c8cb8881422f9bbe646abdea80722db82aae502dae56b18764af10651bc991"`
Sep 06 06:47:41.854 INFO kablam! usermod: no changes
Sep 06 06:47:41.881 INFO kablam!     Checking libc v0.2.43
Sep 06 06:47:43.166 INFO kablam!     Checking rand v0.4.3
Sep 06 06:47:44.918 INFO kablam!     Checking fuzzmutator v0.2.1 (file:///source)
Sep 06 06:47:45.422 INFO kablam! error[E0599]: no method named `mutation_grade` found for type `mutator::MutatorEngine` in the current scope
Sep 06 06:47:45.422 INFO kablam!    --> src/mutator.rs:389:19
Sep 06 06:47:45.422 INFO kablam!     |
Sep 06 06:47:45.422 INFO kablam! 28  | pub struct MutatorEngine {
Sep 06 06:47:45.422 INFO kablam!     | ------------------------ method `mutation_grade` not found for this
Sep 06 06:47:45.422 INFO kablam! ...
Sep 06 06:47:45.422 INFO kablam! 389 |         mutatoren.mutation_grade(0.199);
Sep 06 06:47:45.422 INFO kablam!     |                   ^^^^^^^^^^^^^^
Sep 06 06:47:45.422 INFO kablam! 
Sep 06 06:47:45.426 INFO kablam! error: aborting due to previous error
Sep 06 06:47:45.426 INFO kablam! 
Sep 06 06:47:45.426 INFO kablam! For more information about this error, try `rustc --explain E0599`.
Sep 06 06:47:45.430 INFO kablam! error: Could not compile `fuzzmutator`.
Sep 06 06:47:45.431 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 06 06:47:45.551 INFO kablam! error: build failed
Sep 06 06:47:45.552 INFO kablam! su: No module specific data is present
Sep 06 06:47:46.383 INFO running `"docker" "rm" "-f" "66c8cb8881422f9bbe646abdea80722db82aae502dae56b18764af10651bc991"`
Sep 06 06:47:46.468 INFO blam! 66c8cb8881422f9bbe646abdea80722db82aae502dae56b18764af10651bc991