Aug 01 22:09:11.262 INFO checking simplet2s-0.1.4 against 1.27.2+tmplazy for lazy_static-1
Aug 01 22:09:11.262 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 22:09:11.262 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 22:09:11.262 INFO running `"docker" "create" "-v" "/tmp/crater.joUuekWtV2Dl:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2+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 22:09:11.458 INFO blam! 9ee21e9711092d8e0dc92e3089aa81b887c9d4d26b095787d92375e535b4bfe0
Aug 01 22:09:11.461 INFO running `"docker" "start" "-a" "9ee21e9711092d8e0dc92e3089aa81b887c9d4d26b095787d92375e535b4bfe0"`
Aug 01 22:09:12.481 INFO kablam!    Compiling simplet2s v0.1.4 (file:///source)
Aug 01 22:09:17.823 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 22:09:17.823 INFO kablam!  --> benches/simple.rs:1:1
Aug 01 22:09:17.824 INFO kablam!   |
Aug 01 22:09:17.824 INFO kablam! 1 | #![feature(test)]
Aug 01 22:09:17.824 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 01 22:09:17.824 INFO kablam! 
Aug 01 22:09:17.824 INFO kablam! error: aborting due to previous error
Aug 01 22:09:17.824 INFO kablam! 
Aug 01 22:09:17.824 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 22:09:17.832 INFO kablam! error: Could not compile `simplet2s`.
Aug 01 22:09:17.832 INFO kablam! 
Aug 01 22:09:17.833 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 22:09:17.834 INFO kablam! su: No module specific data is present
Aug 01 22:09:18.451 INFO running `"docker" "rm" "-f" "9ee21e9711092d8e0dc92e3089aa81b887c9d4d26b095787d92375e535b4bfe0"`
Aug 01 22:09:18.617 INFO blam! 9ee21e9711092d8e0dc92e3089aa81b887c9d4d26b095787d92375e535b4bfe0