Aug 02 03:36:41.044 INFO checking newhope-0.1.7 against 1.27.2+tmplazy for lazy_static-1
Aug 02 03:36:41.045 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:36:41.045 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:36:41.045 INFO running `"docker" "create" "-v" "/tmp/crater.Rtlr6ZtGNJh4:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2+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 03:36:41.212 INFO blam! 58eb23142f118dbd7062d52e2240bdf782d049f6159568c4c2dee7f144f2328c
Aug 02 03:36:41.216 INFO running `"docker" "start" "-a" "58eb23142f118dbd7062d52e2240bdf782d049f6159568c4c2dee7f144f2328c"`
Aug 02 03:36:43.250 INFO kablam!     Checking newhope v0.1.7 (file:///source)
Aug 02 03:36:43.680 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:36:43.680 INFO kablam!  --> src/lib.rs:1:1
Aug 02 03:36:43.680 INFO kablam!   |
Aug 02 03:36:43.680 INFO kablam! 1 | #![feature(iterator_step_by)]
Aug 02 03:36:43.680 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 03:36:43.680 INFO kablam! 
Aug 02 03:36:43.683 INFO kablam! error: aborting due to previous error
Aug 02 03:36:43.683 INFO kablam! 
Aug 02 03:36:43.683 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 03:36:43.690 INFO kablam! error: Could not compile `newhope`.
Aug 02 03:36:43.690 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 03:36:43.732 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:36:43.732 INFO kablam!  --> src/lib.rs:1:1
Aug 02 03:36:43.732 INFO kablam!   |
Aug 02 03:36:43.732 INFO kablam! 1 | #![feature(iterator_step_by)]
Aug 02 03:36:43.732 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 03:36:43.732 INFO kablam! 
Aug 02 03:36:43.734 INFO kablam! error: aborting due to previous error
Aug 02 03:36:43.734 INFO kablam! 
Aug 02 03:36:43.734 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 03:36:43.741 INFO kablam! error: Could not compile `newhope`.
Aug 02 03:36:43.741 INFO kablam! 
Aug 02 03:36:43.741 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 03:36:43.742 INFO kablam! su: No module specific data is present
Aug 02 03:36:44.334 INFO running `"docker" "rm" "-f" "58eb23142f118dbd7062d52e2240bdf782d049f6159568c4c2dee7f144f2328c"`
Aug 02 03:36:44.475 INFO blam! 58eb23142f118dbd7062d52e2240bdf782d049f6159568c4c2dee7f144f2328c