Aug 01 22:06:29.892 INFO checking skein-ffi-0.0.1 against 1.27.2+tmplazy for lazy_static-1
Aug 01 22:06:29.892 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 22:06:29.892 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 22:06:29.892 INFO running `"docker" "create" "-v" "/tmp/crater.oi4dZ2gRk8Ca:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-2/1.27.2+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 01 22:06:30.222 INFO blam! 38af77c951ca6c7d5669baab0cce0c12f465344e5ebad9ee95fb4d2e1219c903
Aug 01 22:06:30.225 INFO running `"docker" "start" "-a" "38af77c951ca6c7d5669baab0cce0c12f465344e5ebad9ee95fb4d2e1219c903"`
Aug 01 22:06:31.655 INFO kablam!    Compiling skein-ffi v0.0.1 (file:///source)
Aug 01 22:06:33.839 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 22:06:33.839 INFO kablam!  --> src/lib.rs:2:1
Aug 01 22:06:33.839 INFO kablam!   |
Aug 01 22:06:33.839 INFO kablam! 2 | #![feature(libc)]
Aug 01 22:06:33.839 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 01 22:06:33.839 INFO kablam! 
Aug 01 22:06:33.840 INFO kablam! error: aborting due to previous error
Aug 01 22:06:33.840 INFO kablam! 
Aug 01 22:06:33.840 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 22:06:33.847 INFO kablam! error: Could not compile `skein-ffi`.
Aug 01 22:06:33.847 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 22:06:34.083 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 22:06:34.083 INFO kablam!  --> src/lib.rs:2:1
Aug 01 22:06:34.083 INFO kablam!   |
Aug 01 22:06:34.083 INFO kablam! 2 | #![feature(libc)]
Aug 01 22:06:34.083 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 01 22:06:34.083 INFO kablam! 
Aug 01 22:06:34.084 INFO kablam! error: aborting due to previous error
Aug 01 22:06:34.084 INFO kablam! 
Aug 01 22:06:34.084 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 22:06:34.099 INFO kablam! error: Could not compile `skein-ffi`.
Aug 01 22:06:34.099 INFO kablam! 
Aug 01 22:06:34.099 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 22:06:34.099 INFO kablam! su: No module specific data is present
Aug 01 22:06:34.831 INFO running `"docker" "rm" "-f" "38af77c951ca6c7d5669baab0cce0c12f465344e5ebad9ee95fb4d2e1219c903"`
Aug 01 22:06:35.017 INFO blam! 38af77c951ca6c7d5669baab0cce0c12f465344e5ebad9ee95fb4d2e1219c903