Aug 02 03:36:30.890 INFO checking newhope-0.3.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 03:36:30.890 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:36:30.890 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:36:30.890 INFO running `"docker" "create" "-v" "/tmp/crater.ZL9Iu1FWt5GV:/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 03:36:31.146 INFO blam! 2421074a9847fd51beb75d31b8ec9fc0181860230e14ff5eb3673484207429ab
Aug 02 03:36:31.148 INFO running `"docker" "start" "-a" "2421074a9847fd51beb75d31b8ec9fc0181860230e14ff5eb3673484207429ab"`
Aug 02 03:36:32.106 INFO kablam!     Checking newhope v0.3.0 (file:///source)
Aug 02 03:36:32.547 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:36:32.547 INFO kablam!  --> src/lib.rs:1:1
Aug 02 03:36:32.547 INFO kablam!   |
Aug 02 03:36:32.547 INFO kablam! 1 | #![feature(iterator_step_by)]
Aug 02 03:36:32.547 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 03:36:32.548 INFO kablam! 
Aug 02 03:36:32.552 INFO kablam! error: aborting due to previous error
Aug 02 03:36:32.553 INFO kablam! 
Aug 02 03:36:32.553 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 03:36:32.564 INFO kablam! error: Could not compile `newhope`.
Aug 02 03:36:32.565 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 03:36:32.576 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:36:32.576 INFO kablam!  --> src/lib.rs:1:1
Aug 02 03:36:32.576 INFO kablam!   |
Aug 02 03:36:32.576 INFO kablam! 1 | #![feature(iterator_step_by)]
Aug 02 03:36:32.576 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 03:36:32.576 INFO kablam! 
Aug 02 03:36:32.580 INFO kablam! error: aborting due to previous error
Aug 02 03:36:32.580 INFO kablam! 
Aug 02 03:36:32.580 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 03:36:32.589 INFO kablam! error: Could not compile `newhope`.
Aug 02 03:36:32.589 INFO kablam! 
Aug 02 03:36:32.589 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 03:36:32.596 INFO kablam! su: No module specific data is present
Aug 02 03:36:33.323 INFO running `"docker" "rm" "-f" "2421074a9847fd51beb75d31b8ec9fc0181860230e14ff5eb3673484207429ab"`
Aug 02 03:36:33.449 INFO blam! 2421074a9847fd51beb75d31b8ec9fc0181860230e14ff5eb3673484207429ab