Aug 02 15:08:15.136 INFO checking alloc-cortex-m-0.3.5 against 1.27.2+tmplazy for lazy_static-1
Aug 02 15:08:15.136 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 15:08:15.136 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 15:08:15.136 INFO running `"docker" "create" "-v" "/tmp/crater.7OoIRp70CRdA:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2+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 15:08:15.455 INFO blam! 06af968402663e97aa851204124ffdc683e429104de05cff25be8c5b5140da44
Aug 02 15:08:15.457 INFO running `"docker" "start" "-a" "06af968402663e97aa851204124ffdc683e429104de05cff25be8c5b5140da44"`
Aug 02 15:08:16.442 INFO kablam!     Checking volatile-register v0.1.2
Aug 02 15:08:16.443 INFO kablam!     Checking linked_list_allocator v0.6.3
Aug 02 15:08:16.714 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 15:08:16.714 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/linked_list_allocator-0.6.3/src/lib.rs:1:1
Aug 02 15:08:16.714 INFO kablam!   |
Aug 02 15:08:16.714 INFO kablam! 1 | #![feature(const_fn)]
Aug 02 15:08:16.714 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 02 15:08:16.714 INFO kablam! 
Aug 02 15:08:16.715 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 15:08:16.715 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/linked_list_allocator-0.6.3/src/lib.rs:2:1
Aug 02 15:08:16.715 INFO kablam!   |
Aug 02 15:08:16.715 INFO kablam! 2 | #![feature(alloc, allocator_api)]
Aug 02 15:08:16.715 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 15:08:16.715 INFO kablam! 
Aug 02 15:08:16.716 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 15:08:16.716 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/linked_list_allocator-0.6.3/src/lib.rs:3:1
Aug 02 15:08:16.716 INFO kablam!   |
Aug 02 15:08:16.716 INFO kablam! 3 | #![feature(pointer_methods)]
Aug 02 15:08:16.716 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 15:08:16.716 INFO kablam! 
Aug 02 15:08:16.718 INFO kablam! error: aborting due to 3 previous errors
Aug 02 15:08:16.718 INFO kablam! 
Aug 02 15:08:16.719 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 15:08:16.725 INFO kablam! error: Could not compile `linked_list_allocator`.
Aug 02 15:08:16.726 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 15:08:16.727 INFO kablam! error: build failed
Aug 02 15:08:16.729 INFO kablam! su: No module specific data is present
Aug 02 15:08:17.266 INFO running `"docker" "rm" "-f" "06af968402663e97aa851204124ffdc683e429104de05cff25be8c5b5140da44"`
Aug 02 15:08:17.412 INFO blam! 06af968402663e97aa851204124ffdc683e429104de05cff25be8c5b5140da44