Aug 02 05:52:33.590 INFO checking lambda_calculus-2.2.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 05:52:33.590 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 05:52:33.590 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 05:52:33.590 INFO running `"docker" "create" "-v" "/tmp/crater.hMRFF6IJxF2e:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2+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 02 05:52:34.008 INFO blam! 8ae6fae0a5181f780ffc4a58fb9770fccb4424772aa7d926766664da6f8d0ed4
Aug 02 05:52:34.010 INFO running `"docker" "start" "-a" "8ae6fae0a5181f780ffc4a58fb9770fccb4424772aa7d926766664da6f8d0ed4"`
Aug 02 05:52:35.604 INFO kablam!     Checking lambda_calculus v2.2.0 (file:///source)
Aug 02 05:52:38.517 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 05:52:38.518 INFO kablam!  --> benches/term.rs:1:1
Aug 02 05:52:38.518 INFO kablam!   |
Aug 02 05:52:38.518 INFO kablam! 1 | #![feature(test)]
Aug 02 05:52:38.518 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 05:52:38.523 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 05:52:38.523 INFO kablam!  --> benches/pair_list.rs:3:1
Aug 02 05:52:38.523 INFO kablam!   |
Aug 02 05:52:38.523 INFO kablam! 3 | #![feature(test)]
Aug 02 05:52:38.523 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 05:52:38.523 INFO kablam! 
Aug 02 05:52:38.523 INFO kablam! error: aborting due to previous error
Aug 02 05:52:38.523 INFO kablam! 
Aug 02 05:52:38.524 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 05:52:38.534 INFO kablam! 
Aug 02 05:52:38.534 INFO kablam! error: aborting due to previous error
Aug 02 05:52:38.534 INFO kablam! 
Aug 02 05:52:38.534 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 05:52:38.535 INFO kablam! error: Could not compile `lambda_calculus`.
Aug 02 05:52:38.536 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 05:52:38.545 INFO kablam! error: Could not compile `lambda_calculus`.
Aug 02 05:52:38.546 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 05:52:38.684 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 05:52:38.684 INFO kablam!  --> benches/num.rs:3:1
Aug 02 05:52:38.684 INFO kablam!   |
Aug 02 05:52:38.684 INFO kablam! 3 | #![feature(test)]
Aug 02 05:52:38.684 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 05:52:38.684 INFO kablam! 
Aug 02 05:52:38.685 INFO kablam! error: aborting due to previous error
Aug 02 05:52:38.686 INFO kablam! 
Aug 02 05:52:38.695 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 05:52:38.710 INFO kablam! error: Could not compile `lambda_calculus`.
Aug 02 05:52:38.711 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 05:52:38.917 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 05:52:38.917 INFO kablam!  --> benches/lists.rs:3:1
Aug 02 05:52:38.917 INFO kablam!   |
Aug 02 05:52:38.918 INFO kablam! 3 | #![feature(test)]
Aug 02 05:52:38.918 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 05:52:38.918 INFO kablam! 
Aug 02 05:52:38.919 INFO kablam! error: aborting due to previous error
Aug 02 05:52:38.919 INFO kablam! 
Aug 02 05:52:38.920 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 05:52:38.928 INFO kablam! error: Could not compile `lambda_calculus`.
Aug 02 05:52:38.928 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 05:52:39.747 INFO kablam! error: build failed
Aug 02 05:52:39.751 INFO kablam! su: No module specific data is present
Aug 02 05:52:40.420 INFO running `"docker" "rm" "-f" "8ae6fae0a5181f780ffc4a58fb9770fccb4424772aa7d926766664da6f8d0ed4"`
Aug 02 05:52:40.594 INFO blam! 8ae6fae0a5181f780ffc4a58fb9770fccb4424772aa7d926766664da6f8d0ed4