Aug 01 22:59:16.871 INFO checking scalable_cuckoo_filter-0.1.2 against 1.27.2+tmplazy for lazy_static-1
Aug 01 22:59:16.871 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 22:59:16.871 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 22:59:16.871 INFO running `"docker" "create" "-v" "/tmp/crater.gul16AmhfZ9e:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-0/1.27.2+tmplazy:/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 01 22:59:17.165 INFO blam! b6b845f484520d747e3b2703e9295c0ab8f8534b61ac69f08ae029d02585af8c
Aug 01 22:59:17.165 INFO running `"docker" "start" "-a" "b6b845f484520d747e3b2703e9295c0ab8f8534b61ac69f08ae029d02585af8c"`
Aug 01 22:59:18.267 INFO kablam!     Checking scalable_cuckoo_filter v0.1.2 (file:///source)
Aug 01 22:59:20.176 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 22:59:20.176 INFO kablam!  --> benches/bench.rs:1:1
Aug 01 22:59:20.176 INFO kablam!   |
Aug 01 22:59:20.176 INFO kablam! 1 | #![feature(test)]
Aug 01 22:59:20.176 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 01 22:59:20.176 INFO kablam! 
Aug 01 22:59:20.177 INFO kablam! error: aborting due to previous error
Aug 01 22:59:20.177 INFO kablam! 
Aug 01 22:59:20.177 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 22:59:20.186 INFO kablam! error: Could not compile `scalable_cuckoo_filter`.
Aug 01 22:59:20.186 INFO kablam! 
Aug 01 22:59:20.186 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 22:59:20.188 INFO kablam! su: No module specific data is present
Aug 01 22:59:21.030 INFO running `"docker" "rm" "-f" "b6b845f484520d747e3b2703e9295c0ab8f8534b61ac69f08ae029d02585af8c"`
Aug 01 22:59:21.155 INFO blam! b6b845f484520d747e3b2703e9295c0ab8f8534b61ac69f08ae029d02585af8c