Aug 02 11:05:47.262 INFO checking dyon-0.37.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 11:05:47.262 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:05:47.262 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:05:47.262 INFO running `"docker" "create" "-v" "/tmp/crater.jeFwzB29bbzA:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2+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 11:05:47.520 INFO blam! 48f5c0e499d161cdbed89d61636876ebe381baec033f827e1902e0a60f984c86
Aug 02 11:05:47.522 INFO running `"docker" "start" "-a" "48f5c0e499d161cdbed89d61636876ebe381baec033f827e1902e0a60f984c86"`
Aug 02 11:05:48.831 INFO kablam!     Checking dyon v0.37.0 (file:///source)
Aug 02 11:05:53.087 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:05:53.087 INFO kablam!  --> src/lib.rs:1:19
Aug 02 11:05:53.087 INFO kablam!   |
Aug 02 11:05:53.087 INFO kablam! 1 | #![cfg_attr(test, feature(test))]
Aug 02 11:05:53.087 INFO kablam!   |                   ^^^^^^^^^^^^^^
Aug 02 11:05:53.087 INFO kablam! 
Aug 02 11:05:53.218 INFO kablam! error: aborting due to previous error
Aug 02 11:05:53.218 INFO kablam! 
Aug 02 11:05:53.218 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:05:53.241 INFO kablam! error: Could not compile `dyon`.
Aug 02 11:05:53.241 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 11:06:04.520 INFO kablam! error: build failed
Aug 02 11:06:04.522 INFO kablam! su: No module specific data is present
Aug 02 11:06:05.338 INFO running `"docker" "rm" "-f" "48f5c0e499d161cdbed89d61636876ebe381baec033f827e1902e0a60f984c86"`
Aug 02 11:06:05.511 INFO blam! 48f5c0e499d161cdbed89d61636876ebe381baec033f827e1902e0a60f984c86