Aug 11 07:31:37.484 INFO checking nrf51-0.5.0 against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 11 07:31:37.485 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 07:31:37.485 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 07:31:37.485 INFO running `"docker" "create" "-v" "/tmp/crater.zlijjh9EmeQc:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-4/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 07:31:37.716 INFO blam! 74fb68838df22252cb466e507d80dce24d8a7e3e0c4ad9923a1ee1ff39e10386
Aug 11 07:31:37.721 INFO running `"docker" "start" "-a" "74fb68838df22252cb466e507d80dce24d8a7e3e0c4ad9923a1ee1ff39e10386"`
Aug 11 07:31:39.223 INFO kablam!     Checking bare-metal v0.2.1
Aug 11 07:31:39.228 INFO kablam!    Compiling nrf51 v0.5.0 (file:///source)
Aug 11 07:31:39.230 INFO kablam!    Compiling cortex-m-rt v0.5.1
Aug 11 07:31:39.440 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 11 07:31:39.440 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/bare-metal-0.2.1/src/lib.rs:7:23
Aug 11 07:31:39.440 INFO kablam!   |
Aug 11 07:31:39.440 INFO kablam! 7 |     feature(const_fn, const_unsafe_cell_new)
Aug 11 07:31:39.440 INFO kablam!   |                       ^^^^^^^^^^^^^^^^^^^^^
Aug 11 07:31:39.440 INFO kablam! 
Aug 11 07:31:39.462 INFO kablam! error: aborting due to previous error
Aug 11 07:31:39.462 INFO kablam! 
Aug 11 07:31:39.462 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 11 07:31:39.477 INFO kablam! error: Could not compile `bare-metal`.
Aug 11 07:31:39.477 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 11 07:31:40.983 INFO kablam! error: build failed
Aug 11 07:31:40.987 INFO kablam! su: No module specific data is present
Aug 11 07:31:41.801 INFO running `"docker" "rm" "-f" "74fb68838df22252cb466e507d80dce24d8a7e3e0c4ad9923a1ee1ff39e10386"`
Aug 11 07:31:41.946 INFO blam! 74fb68838df22252cb466e507d80dce24d8a7e3e0c4ad9923a1ee1ff39e10386