Aug 02 11:12:16.617 INFO checking drone-test-0.1.2 against 1.27.2+tmplazy for lazy_static-1
Aug 02 11:12:16.617 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:12:16.617 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:12:16.617 INFO running `"docker" "create" "-v" "/tmp/crater.w1ddhxnwKSQv:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2+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 02 11:12:16.903 INFO blam! e93145256b47c8c7135034189f645c4e83d019760fee0ef586782703622d701f
Aug 02 11:12:16.918 INFO running `"docker" "start" "-a" "e93145256b47c8c7135034189f645c4e83d019760fee0ef586782703622d701f"`
Aug 02 11:12:18.495 INFO kablam!     Checking sc v0.2.2
Aug 02 11:12:18.645 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:12:18.645 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/sc-0.2.2/src/lib.rs:15:1
Aug 02 11:12:18.646 INFO kablam!    |
Aug 02 11:12:18.646 INFO kablam! 15 | #![feature(asm)]
Aug 02 11:12:18.646 INFO kablam!    | ^^^^^^^^^^^^^^^^
Aug 02 11:12:18.646 INFO kablam! 
Aug 02 11:12:18.646 INFO kablam! error: aborting due to previous error
Aug 02 11:12:18.646 INFO kablam! 
Aug 02 11:12:18.646 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:12:18.661 INFO kablam! error: Could not compile `sc`.
Aug 02 11:12:18.661 INFO kablam! 
Aug 02 11:12:18.661 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 11:12:18.663 INFO kablam! su: No module specific data is present
Aug 02 11:12:19.205 INFO running `"docker" "rm" "-f" "e93145256b47c8c7135034189f645c4e83d019760fee0ef586782703622d701f"`
Aug 02 11:12:19.388 INFO blam! e93145256b47c8c7135034189f645c4e83d019760fee0ef586782703622d701f