Aug 02 06:23:41.766 INFO checking itertools-0.7.8 against 1.27.2+tmplazy for lazy_static-1
Aug 02 06:23:41.766 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 06:23:41.766 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 06:23:41.767 INFO running `"docker" "create" "-v" "/tmp/crater.BQdYwwLD0AWp:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-0/1.27.2+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 06:23:41.970 INFO blam! 91f9b9779b280b879531205141f05f15e6a8a6ac4fc2246c79970189481c73df
Aug 02 06:23:41.977 INFO running `"docker" "start" "-a" "91f9b9779b280b879531205141f05f15e6a8a6ac4fc2246c79970189481c73df"`
Aug 02 06:23:42.925 INFO kablam!     Checking itertools v0.7.8 (file:///source)
Aug 02 06:23:42.927 INFO kablam!     Checking quickcheck v0.5.0
Aug 02 06:23:47.819 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 06:23:47.819 INFO kablam!  --> benches/bench1.rs:1:1
Aug 02 06:23:47.820 INFO kablam!   |
Aug 02 06:23:47.820 INFO kablam! 1 | #![feature(test)]
Aug 02 06:23:47.820 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 06:23:47.820 INFO kablam! 
Aug 02 06:23:47.821 INFO kablam! error: aborting due to previous error
Aug 02 06:23:47.821 INFO kablam! 
Aug 02 06:23:47.821 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 06:23:47.835 INFO kablam! error: Could not compile `itertools`.
Aug 02 06:23:47.835 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 06:23:47.944 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 06:23:47.944 INFO kablam!  --> benches/tuples.rs:1:1
Aug 02 06:23:47.944 INFO kablam!   |
Aug 02 06:23:47.944 INFO kablam! 1 | #![feature(test)]
Aug 02 06:23:47.944 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 06:23:47.953 INFO kablam! 
Aug 02 06:23:47.953 INFO kablam! error: aborting due to previous error
Aug 02 06:23:47.953 INFO kablam! 
Aug 02 06:23:47.954 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 06:23:47.961 INFO kablam! error: Could not compile `itertools`.
Aug 02 06:23:47.965 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 06:23:48.376 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 06:23:48.376 INFO kablam!  --> benches/tree_fold1.rs:1:1
Aug 02 06:23:48.376 INFO kablam!   |
Aug 02 06:23:48.376 INFO kablam! 1 | #![feature(test)]
Aug 02 06:23:48.376 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 06:23:48.376 INFO kablam! 
Aug 02 06:23:48.376 INFO kablam! error: aborting due to previous error
Aug 02 06:23:48.376 INFO kablam! 
Aug 02 06:23:48.376 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 06:23:48.397 INFO kablam! error: Could not compile `itertools`.
Aug 02 06:23:48.399 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 06:23:48.421 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 06:23:48.421 INFO kablam!  --> benches/tuple_combinations.rs:1:1
Aug 02 06:23:48.421 INFO kablam!   |
Aug 02 06:23:48.421 INFO kablam! 1 | #![feature(test)]
Aug 02 06:23:48.422 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 06:23:48.422 INFO kablam! 
Aug 02 06:23:48.422 INFO kablam! error: aborting due to previous error
Aug 02 06:23:48.423 INFO kablam! 
Aug 02 06:23:48.423 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 06:23:48.448 INFO kablam! error: Could not compile `itertools`.
Aug 02 06:23:48.450 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 06:23:51.546 INFO kablam! error: build failed
Aug 02 06:23:51.547 INFO kablam! su: No module specific data is present
Aug 02 06:23:52.262 INFO running `"docker" "rm" "-f" "91f9b9779b280b879531205141f05f15e6a8a6ac4fc2246c79970189481c73df"`
Aug 02 06:23:52.390 INFO blam! 91f9b9779b280b879531205141f05f15e6a8a6ac4fc2246c79970189481c73df