Aug 01 18:40:12.166 INFO checking witty-1.0.0 against 1.27.2 for lazy_static-1
Aug 01 18:40:12.166 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 18:40:12.166 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 18:40:12.166 INFO running `"docker" "create" "-v" "/tmp/crater.2zeAr3O7IGvv:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-2/1.27.2:/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 01 18:40:12.416 INFO blam! de51c19bb9a850721223d9b0fb2fabc16e611d0a3ada5552cd7e1af8a82dbb7c
Aug 01 18:40:12.418 INFO running `"docker" "start" "-a" "de51c19bb9a850721223d9b0fb2fabc16e611d0a3ada5552cd7e1af8a82dbb7c"`
Aug 01 18:40:13.741 INFO kablam!     Checking witty v1.0.0 (file:///source)
Aug 01 18:40:15.345 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 18:40:15.345 INFO kablam!  --> src/lib.rs:1:1
Aug 01 18:40:15.345 INFO kablam!   |
Aug 01 18:40:15.345 INFO kablam! 1 | #![feature(proc_macro)]
Aug 01 18:40:15.345 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 18:40:15.345 INFO kablam! 
Aug 01 18:40:15.353 INFO kablam! error: aborting due to previous error
Aug 01 18:40:15.353 INFO kablam! 
Aug 01 18:40:15.353 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 18:40:15.368 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 18:40:15.368 INFO kablam!  --> src/lib.rs:1:1
Aug 01 18:40:15.368 INFO kablam!   |
Aug 01 18:40:15.368 INFO kablam! 1 | #![feature(proc_macro)]
Aug 01 18:40:15.368 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 18:40:15.369 INFO kablam! 
Aug 01 18:40:15.370 INFO kablam! error: aborting due to previous error
Aug 01 18:40:15.370 INFO kablam! 
Aug 01 18:40:15.371 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 18:40:15.388 INFO kablam! error: Could not compile `witty`.
Aug 01 18:40:15.388 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 18:40:15.397 INFO kablam! error: Could not compile `witty`.
Aug 01 18:40:15.397 INFO kablam! 
Aug 01 18:40:15.397 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 18:40:15.398 INFO kablam! su: No module specific data is present
Aug 01 18:40:15.952 INFO running `"docker" "rm" "-f" "de51c19bb9a850721223d9b0fb2fabc16e611d0a3ada5552cd7e1af8a82dbb7c"`
Aug 01 18:40:16.127 INFO blam! de51c19bb9a850721223d9b0fb2fabc16e611d0a3ada5552cd7e1af8a82dbb7c