Sep 10 18:48:17.567 INFO checking fuzzmutator-0.2.1 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 18:48:17.567 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 18:48:17.567 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-1/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 18:48:17.727 INFO blam! da637d634abb0c76498466f539f92809744dd3e7deb7d5df353ca355ee92140a
Sep 10 18:48:17.729 INFO running `"docker" "start" "-a" "da637d634abb0c76498466f539f92809744dd3e7deb7d5df353ca355ee92140a"`
Sep 10 18:48:18.842 INFO kablam! usermod: no changes
Sep 10 18:48:18.877 INFO kablam!     Checking libc v0.2.43
Sep 10 18:48:18.878 INFO kablam!     Checking fuzzmutator v0.2.1 (file:///source)
Sep 10 18:48:19.417 INFO kablam! error[E0599]: no method named `mutation_grade` found for type `mutator::MutatorEngine` in the current scope
Sep 10 18:48:19.417 INFO kablam!    --> src/mutator.rs:389:19
Sep 10 18:48:19.417 INFO kablam!     |
Sep 10 18:48:19.417 INFO kablam! 28  | pub struct MutatorEngine {
Sep 10 18:48:19.417 INFO kablam!     | ------------------------ method `mutation_grade` not found for this
Sep 10 18:48:19.417 INFO kablam! ...
Sep 10 18:48:19.417 INFO kablam! 389 |         mutatoren.mutation_grade(0.199);
Sep 10 18:48:19.417 INFO kablam!     |                   ^^^^^^^^^^^^^^
Sep 10 18:48:19.417 INFO kablam! 
Sep 10 18:48:19.417 INFO kablam! error: aborting due to previous error
Sep 10 18:48:19.417 INFO kablam! 
Sep 10 18:48:19.417 INFO kablam! For more information about this error, try `rustc --explain E0599`.
Sep 10 18:48:19.420 INFO kablam! error: Could not compile `fuzzmutator`.
Sep 10 18:48:19.420 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 10 18:48:20.554 INFO kablam! error: build failed
Sep 10 18:48:20.555 INFO kablam! su: No module specific data is present
Sep 10 18:48:21.116 INFO running `"docker" "rm" "-f" "da637d634abb0c76498466f539f92809744dd3e7deb7d5df353ca355ee92140a"`
Sep 10 18:48:21.167 INFO blam! da637d634abb0c76498466f539f92809744dd3e7deb7d5df353ca355ee92140a