Aug 02 06:43:05.285 INFO checking init-0.2.0 against 1.27.2 for lazy_static-1
Aug 02 06:43:05.285 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 06:43:05.285 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 06:43:05.286 INFO running `"docker" "create" "-v" "/tmp/crater.pGvWK5Rv8abf:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-0/1.27.2:/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 06:43:05.542 INFO blam! 74f788bb9b04abf07a66529618287f93885c2f84c6e8d83301cebbaf970749d6
Aug 02 06:43:05.545 INFO running `"docker" "start" "-a" "74f788bb9b04abf07a66529618287f93885c2f84c6e8d83301cebbaf970749d6"`
Aug 02 06:43:06.659 INFO kablam!    Compiling init_codegen v0.2.0
Aug 02 06:43:07.661 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 06:43:07.661 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/init_codegen-0.2.0/src/lib.rs:1:1
Aug 02 06:43:07.661 INFO kablam!   |
Aug 02 06:43:07.661 INFO kablam! 1 | #![feature(proc_macro)]
Aug 02 06:43:07.661 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 06:43:07.661 INFO kablam! 
Aug 02 06:43:07.662 INFO kablam! error: aborting due to previous error
Aug 02 06:43:07.662 INFO kablam! 
Aug 02 06:43:07.662 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 06:43:07.673 INFO kablam! error: Could not compile `init_codegen`.
Aug 02 06:43:07.673 INFO kablam! 
Aug 02 06:43:07.673 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 06:43:07.674 INFO kablam! su: No module specific data is present
Aug 02 06:43:08.478 INFO running `"docker" "rm" "-f" "74f788bb9b04abf07a66529618287f93885c2f84c6e8d83301cebbaf970749d6"`
Aug 02 06:43:08.616 INFO blam! 74f788bb9b04abf07a66529618287f93885c2f84c6e8d83301cebbaf970749d6