Aug 11 07:31:36.894 INFO checking nrf51-hal-0.5.1 against try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy for libc-1
Aug 11 07:31:36.894 INFO running: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 07:31:36.894 INFO creating container for: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 07:31:36.894 INFO running `"docker" "create" "-v" "/tmp/crater.hG36eFgdMxKK:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-0/try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+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 +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 07:31:37.025 INFO blam! 69f4e5ff65cc142c73b5a78c5f2b14993242a6655f9633d8758e39d694b0d7eb
Aug 11 07:31:37.027 INFO running `"docker" "start" "-a" "69f4e5ff65cc142c73b5a78c5f2b14993242a6655f9633d8758e39d694b0d7eb"`
Aug 11 07:31:38.389 INFO kablam!    Compiling cc v1.0.18
Aug 11 07:31:38.390 INFO kablam!     Checking vcell v0.1.0
Aug 11 07:31:38.390 INFO kablam!     Checking r0 v0.2.2
Aug 11 07:31:38.390 INFO kablam!     Checking aligned v0.2.0
Aug 11 07:31:38.390 INFO kablam!    Compiling nrf51 v0.5.0
Aug 11 07:31:38.391 INFO kablam!     Checking bare-metal v0.2.1
Aug 11 07:31:38.392 INFO kablam!     Checking nb v0.1.1
Aug 11 07:31:38.394 INFO kablam!     Checking void v1.0.2
Aug 11 07:31:38.650 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 11 07:31:38.650 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/bare-metal-0.2.1/src/lib.rs:7:23
Aug 11 07:31:38.650 INFO kablam!   |
Aug 11 07:31:38.650 INFO kablam! 7 |     feature(const_fn, const_unsafe_cell_new)
Aug 11 07:31:38.650 INFO kablam!   |                       ^^^^^^^^^^^^^^^^^^^^^
Aug 11 07:31:38.650 INFO kablam! 
Aug 11 07:31:38.652 INFO kablam! error: aborting due to previous error
Aug 11 07:31:38.652 INFO kablam! 
Aug 11 07:31:38.652 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 11 07:31:38.659 INFO kablam! error: Could not compile `bare-metal`.
Aug 11 07:31:38.659 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 11 07:31:45.140 INFO kablam! error: build failed
Aug 11 07:31:45.142 INFO kablam! su: No module specific data is present
Aug 11 07:31:46.421 INFO running `"docker" "rm" "-f" "69f4e5ff65cc142c73b5a78c5f2b14993242a6655f9633d8758e39d694b0d7eb"`
Aug 11 07:31:46.534 INFO blam! 69f4e5ff65cc142c73b5a78c5f2b14993242a6655f9633d8758e39d694b0d7eb