Aug 02 13:34:14.762 INFO checking cadence-0.11.0 against 1.27.2 for lazy_static-1
Aug 02 13:34:14.762 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:34:14.762 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:34:14.763 INFO running `"docker" "create" "-v" "/tmp/crater.9yNqHdjw6upx:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 02 13:34:15.048 INFO blam! 1a4fc9e1f22c5f5262e4938be554d0b09481bc9ee571f9b2b70c72de7502f007
Aug 02 13:34:15.051 INFO running `"docker" "start" "-a" "1a4fc9e1f22c5f5262e4938be554d0b09481bc9ee571f9b2b70c72de7502f007"`
Aug 02 13:34:15.997 INFO kablam!     Checking cadence v0.11.0 (file:///source)
Aug 02 13:34:19.453 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:34:19.453 INFO kablam!  --> benches/lib.rs:1:1
Aug 02 13:34:19.453 INFO kablam!   |
Aug 02 13:34:19.453 INFO kablam! 1 | #![feature(test)]
Aug 02 13:34:19.453 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 13:34:19.453 INFO kablam! 
Aug 02 13:34:19.454 INFO kablam! error: aborting due to previous error
Aug 02 13:34:19.454 INFO kablam! 
Aug 02 13:34:19.454 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 13:34:19.470 INFO kablam! error: Could not compile `cadence`.
Aug 02 13:34:19.471 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 13:34:19.797 INFO kablam! error: build failed
Aug 02 13:34:19.799 INFO kablam! su: No module specific data is present
Aug 02 13:34:20.393 INFO running `"docker" "rm" "-f" "1a4fc9e1f22c5f5262e4938be554d0b09481bc9ee571f9b2b70c72de7502f007"`
Aug 02 13:34:20.559 INFO blam! 1a4fc9e1f22c5f5262e4938be554d0b09481bc9ee571f9b2b70c72de7502f007