Aug 11 00:54:26.732 INFO checking stm32h7xx-0.2.0 against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 11 00:54:26.732 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 00:54:26.732 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 00:54:26.732 INFO running `"docker" "create" "-v" "/tmp/crater.Tqssc3cAe9a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-0/master#f6d43ed84207c7e58f363f46e5a438ff40f2b311:/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 +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 00:54:26.993 INFO blam! 6a81e5c87529cdbaa0178a56cd4a9d64769cb21606cd3277c76a3423fa85f867
Aug 11 00:54:26.996 INFO running `"docker" "start" "-a" "6a81e5c87529cdbaa0178a56cd4a9d64769cb21606cd3277c76a3423fa85f867"`
Aug 11 00:54:28.469 INFO kablam!    Compiling cc v1.0.18
Aug 11 00:54:28.472 INFO kablam!     Checking vcell v0.1.0
Aug 11 00:54:28.475 INFO kablam!     Checking bare-metal v0.2.1
Aug 11 00:54:28.477 INFO kablam!     Checking volatile-register v0.1.2
Aug 11 00:54:28.485 INFO kablam!    Compiling stm32h7 v0.2.2
Aug 11 00:54:28.486 INFO kablam!     Checking aligned v0.2.0
Aug 11 00:54:28.486 INFO kablam!     Checking r0 v0.2.2
Aug 11 00:54:28.490 INFO kablam!    Compiling stm32h7xx v0.2.0 (file:///source)
Aug 11 00:54:29.017 INFO kablam!     Checking linked_list_allocator v0.6.3
Aug 11 00:54:29.282 INFO kablam!     Checking cortex-m v0.1.7
Aug 11 00:54:29.306 INFO kablam!     Checking volatile-register v0.2.0
Aug 11 00:54:30.772 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 11 00:54:30.772 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.1.7/src/lib.rs:16:12
Aug 11 00:54:30.772 INFO kablam!    |
Aug 11 00:54:30.772 INFO kablam! 16 | #![feature(const_unsafe_cell_new)]
Aug 11 00:54:30.772 INFO kablam!    |            ^^^^^^^^^^^^^^^^^^^^^
Aug 11 00:54:30.772 INFO kablam! 
Aug 11 00:54:30.799 INFO kablam! error: aborting due to previous error
Aug 11 00:54:30.799 INFO kablam! 
Aug 11 00:54:30.800 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 11 00:54:30.809 INFO kablam! error: Could not compile `cortex-m`.
Aug 11 00:54:30.809 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 11 00:54:40.690 INFO kablam! error: build failed
Aug 11 00:54:40.692 INFO kablam! su: No module specific data is present
Aug 11 00:54:41.272 INFO running `"docker" "rm" "-f" "6a81e5c87529cdbaa0178a56cd4a9d64769cb21606cd3277c76a3423fa85f867"`
Aug 11 00:54:41.435 INFO blam! 6a81e5c87529cdbaa0178a56cd4a9d64769cb21606cd3277c76a3423fa85f867