Aug 01 23:24:44.956 INFO checking rustep-0.1.2 against 1.27.2 for lazy_static-1
Aug 01 23:24:44.956 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:24:44.956 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:24:44.956 INFO running `"docker" "create" "-v" "/tmp/crater.sYHzC51ZusbN:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2:/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 01 23:24:45.220 INFO blam! 3aeb1b356d6e5fa5dd73029a18cf182c189ba3631057425c3a74361bcd63abf8
Aug 01 23:24:45.221 INFO running `"docker" "start" "-a" "3aeb1b356d6e5fa5dd73029a18cf182c189ba3631057425c3a74361bcd63abf8"`
Aug 01 23:24:46.441 INFO kablam!     Checking enumflags v0.3.0
Aug 01 23:24:46.450 INFO kablam!    Compiling num-derive v0.2.2
Aug 01 23:24:46.450 INFO kablam!    Compiling enumflags_derive v0.4.1
Aug 01 23:24:53.067 INFO kablam!     Checking rustep v0.1.2 (file:///source)
Aug 01 23:24:55.424 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:24:55.424 INFO kablam!   --> src/lib.rs:49:1
Aug 01 23:24:55.424 INFO kablam!    |
Aug 01 23:24:55.424 INFO kablam! 49 | #![feature(try_from)]
Aug 01 23:24:55.424 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:24:55.432 INFO kablam! 
Aug 01 23:24:55.469 INFO kablam! error: aborting due to previous error
Aug 01 23:24:55.476 INFO kablam! 
Aug 01 23:24:55.477 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 23:24:55.489 INFO kablam! error: Could not compile `rustep`.
Aug 01 23:24:55.489 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 23:24:56.139 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:24:56.139 INFO kablam!   --> src/lib.rs:49:1
Aug 01 23:24:56.139 INFO kablam!    |
Aug 01 23:24:56.139 INFO kablam! 49 | #![feature(try_from)]
Aug 01 23:24:56.139 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:24:56.139 INFO kablam! 
Aug 01 23:24:56.193 INFO kablam! error: aborting due to previous error
Aug 01 23:24:56.193 INFO kablam! 
Aug 01 23:24:56.193 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 23:24:56.211 INFO kablam! error: Could not compile `rustep`.
Aug 01 23:24:56.211 INFO kablam! 
Aug 01 23:24:56.211 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 23:24:56.212 INFO kablam! su: No module specific data is present
Aug 01 23:24:56.824 INFO running `"docker" "rm" "-f" "3aeb1b356d6e5fa5dd73029a18cf182c189ba3631057425c3a74361bcd63abf8"`
Aug 01 23:24:56.995 INFO blam! 3aeb1b356d6e5fa5dd73029a18cf182c189ba3631057425c3a74361bcd63abf8