Aug 02 04:57:33.875 INFO checking lpc82x-hal-0.2.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 04:57:33.875 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:57:33.875 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:57:33.875 INFO running `"docker" "create" "-v" "/tmp/crater.QOh1pNRfaAV0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2+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 04:57:34.106 INFO blam! accefae23a83957ace05899eb04c71fa0c0552fecf8e113e8fc2f1dab0a9e6e0
Aug 02 04:57:34.111 INFO running `"docker" "start" "-a" "accefae23a83957ace05899eb04c71fa0c0552fecf8e113e8fc2f1dab0a9e6e0"`
Aug 02 04:57:34.999 INFO kablam!    Compiling lpc82x v0.4.0
Aug 02 04:57:35.002 INFO kablam!     Checking nb v0.1.1
Aug 02 04:57:35.004 INFO kablam!     Checking panic-abort v0.2.0
Aug 02 04:57:35.007 INFO kablam!    Compiling cortex-m-rt v0.5.1
Aug 02 04:57:35.196 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:57:35.197 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.2.0/src/lib.rs:21:1
Aug 02 04:57:35.197 INFO kablam!    |
Aug 02 04:57:35.197 INFO kablam! 21 | #![feature(core_intrinsics)]
Aug 02 04:57:35.197 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 04:57:35.197 INFO kablam! 
Aug 02 04:57:35.198 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:57:35.198 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.2.0/src/lib.rs:22:1
Aug 02 04:57:35.198 INFO kablam!    |
Aug 02 04:57:35.198 INFO kablam! 22 | #![feature(panic_implementation)]
Aug 02 04:57:35.198 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 04:57:35.198 INFO kablam! 
Aug 02 04:57:35.199 INFO kablam! error[E0658]: The attribute `panic_implementation` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Aug 02 04:57:35.199 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.2.0/src/lib.rs:28:1
Aug 02 04:57:35.199 INFO kablam!    |
Aug 02 04:57:35.199 INFO kablam! 28 | #[panic_implementation]
Aug 02 04:57:35.199 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 04:57:35.200 INFO kablam! 
Aug 02 04:57:35.200 INFO kablam! error: aborting due to 3 previous errors
Aug 02 04:57:35.201 INFO kablam! 
Aug 02 04:57:35.201 INFO kablam! Some errors occurred: E0554, E0658.
Aug 02 04:57:35.201 INFO kablam! For more information about an error, try `rustc --explain E0554`.
Aug 02 04:57:35.208 INFO kablam! error: Could not compile `panic-abort`.
Aug 02 04:57:35.208 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 04:57:37.034 INFO kablam! error: build failed
Aug 02 04:57:37.035 INFO kablam! su: No module specific data is present
Aug 02 04:57:37.609 INFO running `"docker" "rm" "-f" "accefae23a83957ace05899eb04c71fa0c0552fecf8e113e8fc2f1dab0a9e6e0"`
Aug 02 04:57:37.788 INFO blam! accefae23a83957ace05899eb04c71fa0c0552fecf8e113e8fc2f1dab0a9e6e0