Aug 02 13:09:37.482 INFO checking cbuf-0.1.1 against 1.27.2+tmplazy for lazy_static-1
Aug 02 13:09:37.482 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:09:37.482 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:09:37.482 INFO running `"docker" "create" "-v" "/tmp/crater.9o1lT9kKNmgm:/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 13:09:37.643 INFO blam! 4340cfa0ff842c0d60d4edf9d86f40194adbc3b8a4ffae3b9faedec1ed02eaf7
Aug 02 13:09:37.644 INFO running `"docker" "start" "-a" "4340cfa0ff842c0d60d4edf9d86f40194adbc3b8a4ffae3b9faedec1ed02eaf7"`
Aug 02 13:09:39.043 INFO kablam!     Checking cbuf v0.1.1 (file:///source)
Aug 02 13:09:39.651 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:09:39.652 INFO kablam!   --> src/lib.rs:13:1
Aug 02 13:09:39.652 INFO kablam!    |
Aug 02 13:09:39.652 INFO kablam! 13 | #![feature(const_fn)]
Aug 02 13:09:39.652 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Aug 02 13:09:39.652 INFO kablam! 
Aug 02 13:09:39.652 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:09:39.652 INFO kablam!   --> src/lib.rs:14:1
Aug 02 13:09:39.652 INFO kablam!    |
Aug 02 13:09:39.652 INFO kablam! 14 | #![feature(test)]
Aug 02 13:09:39.652 INFO kablam!    | ^^^^^^^^^^^^^^^^^
Aug 02 13:09:39.652 INFO kablam! 
Aug 02 13:09:39.665 INFO kablam! error: aborting due to 2 previous errors
Aug 02 13:09:39.665 INFO kablam! 
Aug 02 13:09:39.665 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 13:09:39.672 INFO kablam! error: Could not compile `cbuf`.
Aug 02 13:09:39.672 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 13:09:39.715 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:09:39.715 INFO kablam!   --> src/lib.rs:13:1
Aug 02 13:09:39.715 INFO kablam!    |
Aug 02 13:09:39.715 INFO kablam! 13 | #![feature(const_fn)]
Aug 02 13:09:39.715 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Aug 02 13:09:39.716 INFO kablam! 
Aug 02 13:09:39.716 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:09:39.716 INFO kablam!   --> src/lib.rs:14:1
Aug 02 13:09:39.716 INFO kablam!    |
Aug 02 13:09:39.716 INFO kablam! 14 | #![feature(test)]
Aug 02 13:09:39.716 INFO kablam!    | ^^^^^^^^^^^^^^^^^
Aug 02 13:09:39.716 INFO kablam! 
Aug 02 13:09:39.716 INFO kablam! error: aborting due to 2 previous errors
Aug 02 13:09:39.716 INFO kablam! 
Aug 02 13:09:39.716 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 13:09:39.722 INFO kablam! error: Could not compile `cbuf`.
Aug 02 13:09:39.722 INFO kablam! 
Aug 02 13:09:39.722 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 13:09:39.724 INFO kablam! su: No module specific data is present
Aug 02 13:09:40.358 INFO running `"docker" "rm" "-f" "4340cfa0ff842c0d60d4edf9d86f40194adbc3b8a4ffae3b9faedec1ed02eaf7"`
Aug 02 13:09:40.519 INFO blam! 4340cfa0ff842c0d60d4edf9d86f40194adbc3b8a4ffae3b9faedec1ed02eaf7