Aug 02 03:36:42.218 INFO checking newhope-0.1.7 against 1.27.2 for lazy_static-1
Aug 02 03:36:42.218 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:36:42.218 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:36:42.218 INFO running `"docker" "create" "-v" "/tmp/crater.12r0c0KLpaLc:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2:/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 03:36:42.415 INFO blam! 6f960ebd81f8d3e2b079b1da295980cae5c848f600ad60feeb17c8233ff1f37a
Aug 02 03:36:42.417 INFO running `"docker" "start" "-a" "6f960ebd81f8d3e2b079b1da295980cae5c848f600ad60feeb17c8233ff1f37a"`
Aug 02 03:36:43.681 INFO kablam!     Checking tiny-keccak v1.4.2
Aug 02 03:36:44.166 INFO kablam!     Checking newhope v0.1.7 (file:///source)
Aug 02 03:36:44.586 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:36:44.586 INFO kablam!  --> src/lib.rs:1:1
Aug 02 03:36:44.586 INFO kablam!   |
Aug 02 03:36:44.586 INFO kablam! 1 | #![feature(iterator_step_by)]
Aug 02 03:36:44.586 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 03:36:44.586 INFO kablam! 
Aug 02 03:36:44.588 INFO kablam! error: aborting due to previous error
Aug 02 03:36:44.588 INFO kablam! 
Aug 02 03:36:44.588 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 03:36:44.597 INFO kablam! error: Could not compile `newhope`.
Aug 02 03:36:44.598 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 03:36:44.699 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:36:44.699 INFO kablam!  --> src/lib.rs:1:1
Aug 02 03:36:44.699 INFO kablam!   |
Aug 02 03:36:44.699 INFO kablam! 1 | #![feature(iterator_step_by)]
Aug 02 03:36:44.699 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 03:36:44.699 INFO kablam! 
Aug 02 03:36:44.701 INFO kablam! error: aborting due to previous error
Aug 02 03:36:44.701 INFO kablam! 
Aug 02 03:36:44.701 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 03:36:44.710 INFO kablam! error: Could not compile `newhope`.
Aug 02 03:36:44.710 INFO kablam! 
Aug 02 03:36:44.710 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 03:36:44.711 INFO kablam! su: No module specific data is present
Aug 02 03:36:45.362 INFO running `"docker" "rm" "-f" "6f960ebd81f8d3e2b079b1da295980cae5c848f600ad60feeb17c8233ff1f37a"`
Aug 02 03:36:45.541 INFO blam! 6f960ebd81f8d3e2b079b1da295980cae5c848f600ad60feeb17c8233ff1f37a