Aug 02 11:14:25.052 INFO checking dpc-cbuf-0.0.1 against 1.27.2 for lazy_static-1
Aug 02 11:14:25.052 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:14:25.052 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:14:25.052 INFO running `"docker" "create" "-v" "/tmp/crater.ii3zaPXRbsGY:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2:/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 11:14:25.276 INFO blam! ab215c67e45bd4d2a29d5fd331d2989d8f03803f13e9c2b5073bee9681aa9285
Aug 02 11:14:25.277 INFO running `"docker" "start" "-a" "ab215c67e45bd4d2a29d5fd331d2989d8f03803f13e9c2b5073bee9681aa9285"`
Aug 02 11:14:26.368 INFO kablam! warning: only one of `license` or `license-file` is necessary
Aug 02 11:14:26.375 INFO kablam!     Checking dpc-cbuf v0.0.1 (file:///source)
Aug 02 11:14:26.835 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:14:26.835 INFO kablam!   --> src/lib.rs:15:1
Aug 02 11:14:26.835 INFO kablam!    |
Aug 02 11:14:26.835 INFO kablam! 15 | #![feature(core)]
Aug 02 11:14:26.835 INFO kablam!    | ^^^^^^^^^^^^^^^^^
Aug 02 11:14:26.835 INFO kablam! 
Aug 02 11:14:26.835 INFO kablam! error: aborting due to previous error
Aug 02 11:14:26.835 INFO kablam! 
Aug 02 11:14:26.835 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:14:26.839 INFO kablam! error: Could not compile `dpc-cbuf`.
Aug 02 11:14:26.840 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 11:14:26.848 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:14:26.848 INFO kablam!   --> src/lib.rs:13:19
Aug 02 11:14:26.848 INFO kablam!    |
Aug 02 11:14:26.848 INFO kablam! 13 | #![cfg_attr(test, feature(test))]
Aug 02 11:14:26.848 INFO kablam!    |                   ^^^^^^^^^^^^^^
Aug 02 11:14:26.848 INFO kablam! 
Aug 02 11:14:26.848 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:14:26.848 INFO kablam!   --> src/lib.rs:15:1
Aug 02 11:14:26.849 INFO kablam!    |
Aug 02 11:14:26.849 INFO kablam! 15 | #![feature(core)]
Aug 02 11:14:26.849 INFO kablam!    | ^^^^^^^^^^^^^^^^^
Aug 02 11:14:26.849 INFO kablam! 
Aug 02 11:14:26.849 INFO kablam! error: aborting due to 2 previous errors
Aug 02 11:14:26.849 INFO kablam! 
Aug 02 11:14:26.849 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:14:26.854 INFO kablam! error: Could not compile `dpc-cbuf`.
Aug 02 11:14:26.854 INFO kablam! 
Aug 02 11:14:26.854 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 11:14:26.855 INFO kablam! su: No module specific data is present
Aug 02 11:14:27.398 INFO running `"docker" "rm" "-f" "ab215c67e45bd4d2a29d5fd331d2989d8f03803f13e9c2b5073bee9681aa9285"`
Aug 02 11:14:27.554 INFO blam! ab215c67e45bd4d2a29d5fd331d2989d8f03803f13e9c2b5073bee9681aa9285