Aug 02 03:36:30.974 INFO checking newhope-0.3.0 against 1.27.2 for lazy_static-1
Aug 02 03:36:30.974 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:36:30.974 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:36:30.974 INFO running `"docker" "create" "-v" "/tmp/crater.jrkcq8tz0n71:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2:/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 03:36:31.157 INFO blam! abb87847e5cce92a37483d841dd0293a160b29cd65da291f3690f2ff52ffb2cd
Aug 02 03:36:31.159 INFO running `"docker" "start" "-a" "abb87847e5cce92a37483d841dd0293a160b29cd65da291f3690f2ff52ffb2cd"`
Aug 02 03:36:32.385 INFO kablam!     Checking newhope v0.3.0 (file:///source)
Aug 02 03:36:32.844 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:36:32.844 INFO kablam!  --> src/lib.rs:1:1
Aug 02 03:36:32.845 INFO kablam!   |
Aug 02 03:36:32.845 INFO kablam! 1 | #![feature(iterator_step_by)]
Aug 02 03:36:32.845 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 03:36:32.845 INFO kablam! 
Aug 02 03:36:32.852 INFO kablam! error: aborting due to previous error
Aug 02 03:36:32.852 INFO kablam! 
Aug 02 03:36:32.852 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 03:36:32.855 INFO kablam! error: Could not compile `newhope`.
Aug 02 03:36:32.856 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 03:36:32.899 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:36:32.900 INFO kablam!  --> src/lib.rs:1:1
Aug 02 03:36:32.900 INFO kablam!   |
Aug 02 03:36:32.900 INFO kablam! 1 | #![feature(iterator_step_by)]
Aug 02 03:36:32.900 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 03:36:32.900 INFO kablam! 
Aug 02 03:36:32.902 INFO kablam! error: aborting due to previous error
Aug 02 03:36:32.902 INFO kablam! 
Aug 02 03:36:32.902 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 03:36:32.910 INFO kablam! error: Could not compile `newhope`.
Aug 02 03:36:32.910 INFO kablam! 
Aug 02 03:36:32.910 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 03:36:32.911 INFO kablam! su: No module specific data is present
Aug 02 03:36:33.889 INFO running `"docker" "rm" "-f" "abb87847e5cce92a37483d841dd0293a160b29cd65da291f3690f2ff52ffb2cd"`
Aug 02 03:36:33.996 INFO blam! abb87847e5cce92a37483d841dd0293a160b29cd65da291f3690f2ff52ffb2cd