Aug 01 21:36:53.683 INFO checking split_tokens-0.1.0 against 1.27.2 for lazy_static-1
Aug 01 21:36:53.683 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:36:53.683 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:36:53.683 INFO running `"docker" "create" "-v" "/tmp/crater.HlZjrAvGNCQt:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2:/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 21:36:53.874 INFO blam! b7cb0df232290db526d0c691bd64aa11b13deadd296883c0e541bc229b1568a9
Aug 01 21:36:53.876 INFO running `"docker" "start" "-a" "b7cb0df232290db526d0c691bd64aa11b13deadd296883c0e541bc229b1568a9"`
Aug 01 21:36:54.903 INFO kablam!     Checking split_tokens v0.1.0 (file:///source)
Aug 01 21:36:55.113 INFO kablam! note: trace_macro
Aug 01 21:36:55.113 INFO kablam!   --> src/lib.rs:65:5
Aug 01 21:36:55.113 INFO kablam!    |
Aug 01 21:36:55.113 INFO kablam! 65 |     split_tokens!{(>>+=-=<<) then stringify!()};
Aug 01 21:36:55.113 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 21:36:55.113 INFO kablam!    |
Aug 01 21:36:55.113 INFO kablam!    = note: expanding `split_tokens! { ( >> += -= << ) then stringify ! (  ) }`
Aug 01 21:36:55.113 INFO kablam!    = note: to `split_tokens ! ( @ inner ( >> += -= << ) (  ) ( stringify ) ) ;`
Aug 01 21:36:55.113 INFO kablam!    = note: expanding `split_tokens! { @ inner ( >> += -= << ) (  ) ( stringify ) }`
Aug 01 21:36:55.113 INFO kablam!    = note: to `split_tokens ! ( @ inner ( += -= << ) ( > > ) ( stringify ) ) ;`
Aug 01 21:36:55.113 INFO kablam!    = note: expanding `split_tokens! { @ inner ( += -= << ) ( > > ) ( stringify ) }`
Aug 01 21:36:55.113 INFO kablam!    = note: to `split_tokens ! ( @ inner ( -= << ) ( > > + = ) ( stringify ) ) ;`
Aug 01 21:36:55.113 INFO kablam!    = note: expanding `split_tokens! { @ inner ( -= << ) ( > > + = ) ( stringify ) }`
Aug 01 21:36:55.113 INFO kablam!    = note: to `split_tokens ! ( @ inner ( << ) ( > > + = - = ) ( stringify ) ) ;`
Aug 01 21:36:55.113 INFO kablam!    = note: expanding `split_tokens! { @ inner ( << ) ( > > + = - = ) ( stringify ) }`
Aug 01 21:36:55.113 INFO kablam!    = note: to `split_tokens ! ( @ inner (  ) ( > > + = - = < < ) ( stringify ) ) ;`
Aug 01 21:36:55.113 INFO kablam!    = note: expanding `split_tokens! { @ inner (  ) ( > > + = - = < < ) ( stringify ) }`
Aug 01 21:36:55.113 INFO kablam!    = note: to `stringify ! ( (  ) ( > > + = - = < < ) ) ;`
Aug 01 21:36:55.113 INFO kablam! 
Aug 01 21:36:55.131 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 21:36:55.132 INFO kablam!  --> src/lib.rs:1:19
Aug 01 21:36:55.132 INFO kablam!   |
Aug 01 21:36:55.132 INFO kablam! 1 | #![cfg_attr(test, feature(trace_macros))]
Aug 01 21:36:55.132 INFO kablam!   |                   ^^^^^^^^^^^^^^^^^^^^^^
Aug 01 21:36:55.132 INFO kablam! 
Aug 01 21:36:55.132 INFO kablam! error: aborting due to previous error
Aug 01 21:36:55.132 INFO kablam! 
Aug 01 21:36:55.132 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 21:36:55.136 INFO kablam! error: Could not compile `split_tokens`.
Aug 01 21:36:55.136 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 21:36:55.357 INFO kablam! error: build failed
Aug 01 21:36:55.358 INFO kablam! su: No module specific data is present
Aug 01 21:36:55.951 INFO running `"docker" "rm" "-f" "b7cb0df232290db526d0c691bd64aa11b13deadd296883c0e541bc229b1568a9"`
Aug 01 21:36:56.039 INFO blam! b7cb0df232290db526d0c691bd64aa11b13deadd296883c0e541bc229b1568a9