Aug 02 01:05:26.489 INFO checking regex_generate-0.2.0 against 1.27.2 for lazy_static-1
Aug 02 01:05:26.489 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 01:05:26.489 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 01:05:26.489 INFO running `"docker" "create" "-v" "/tmp/crater.EmFs1dwfRIkX:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2:/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 01:05:26.714 INFO blam! 7ce118a8e0c09241bc47995a9e4e314ff4198e8060af22abd35f4af70e5711cc
Aug 02 01:05:26.715 INFO running `"docker" "start" "-a" "7ce118a8e0c09241bc47995a9e4e314ff4198e8060af22abd35f4af70e5711cc"`
Aug 02 01:05:27.726 INFO kablam!     Checking regex_generate v0.2.0 (file:///source)
Aug 02 01:05:28.563 INFO kablam! warning: unused import: `regex_syntax::Expr`
Aug 02 01:05:28.563 INFO kablam!    --> src/lib.rs:142:9
Aug 02 01:05:28.563 INFO kablam!     |
Aug 02 01:05:28.563 INFO kablam! 142 |     use regex_syntax::Expr;
Aug 02 01:05:28.563 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^
Aug 02 01:05:28.563 INFO kablam!     |
Aug 02 01:05:28.563 INFO kablam!     = note: #[warn(unused_imports)] on by default
Aug 02 01:05:28.563 INFO kablam! 
Aug 02 01:05:29.608 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 01:05:29.608 INFO kablam!  --> benches/bench.rs:1:1
Aug 02 01:05:29.608 INFO kablam!   |
Aug 02 01:05:29.608 INFO kablam! 1 | #![feature(test)]
Aug 02 01:05:29.608 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 01:05:29.608 INFO kablam! 
Aug 02 01:05:29.613 INFO kablam! error: aborting due to previous error
Aug 02 01:05:29.613 INFO kablam! 
Aug 02 01:05:29.613 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 01:05:29.632 INFO kablam! error: Could not compile `regex_generate`.
Aug 02 01:05:29.632 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 01:05:30.000 INFO kablam! error: build failed
Aug 02 01:05:30.002 INFO kablam! su: No module specific data is present
Aug 02 01:05:30.536 INFO running `"docker" "rm" "-f" "7ce118a8e0c09241bc47995a9e4e314ff4198e8060af22abd35f4af70e5711cc"`
Aug 02 01:05:30.674 INFO blam! 7ce118a8e0c09241bc47995a9e4e314ff4198e8060af22abd35f4af70e5711cc