Aug 10 20:25:33.398 INFO checking byronwasti/prusto-watch against try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy for libc-1
Aug 10 20:25:33.398 INFO running: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 10 20:25:33.398 INFO creating container for: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 10 20:25:33.398 INFO running `"docker" "create" "-v" "/tmp/crater.V3sc9q7AO96t:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-5/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 10 20:25:33.680 INFO blam! cefbee68c6b86549ad36df41a6ad93d398a870d31c3ce15651e7c29bf76af995
Aug 10 20:25:33.682 INFO running `"docker" "start" "-a" "cefbee68c6b86549ad36df41a6ad93d398a870d31c3ce15651e7c29bf76af995"`
Aug 10 20:25:34.564 INFO kablam! warning: dependency (ls010b7dh01) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
Aug 10 20:25:34.565 INFO kablam! warning: dependency (rn4870) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
Aug 10 20:25:34.565 INFO kablam! warning: dependency (stm32f30x-hal) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
Aug 10 20:25:34.760 INFO kablam!    Compiling unicode-xid v0.1.0
Aug 10 20:25:34.761 INFO kablam!    Compiling num-traits v0.2.5
Aug 10 20:25:34.761 INFO kablam!    Compiling cc v1.0.18
Aug 10 20:25:34.761 INFO kablam!    Compiling num-integer v0.1.39
Aug 10 20:25:34.761 INFO kablam!    Compiling semver-parser v0.7.0
Aug 10 20:25:34.761 INFO kablam!    Compiling failure_derive v0.1.2
Aug 10 20:25:34.761 INFO kablam!    Compiling libc v0.2.43 (https://github.com/alexcrichton/libc?rev=02fc60d2e30d04cf07d4561aef05a0ae755a3163#02fc60d2)
Aug 10 20:25:34.761 INFO kablam!    Compiling rustc-demangle v0.1.9
Aug 10 20:25:37.067 INFO kablam!    Compiling cfg-if v0.1.4
Aug 10 20:25:37.701 INFO kablam!    Compiling cortex-m v0.3.1
Aug 10 20:25:41.971 INFO kablam!     Checking vcell v0.1.0
Aug 10 20:25:42.919 INFO kablam!    Compiling cortex-m v0.4.3
Aug 10 20:25:43.137 INFO kablam!     Checking nb v0.1.1
Aug 10 20:25:44.047 INFO kablam!     Checking void v1.0.2
Aug 10 20:25:44.894 INFO kablam!     Checking bare-metal v0.1.2
Aug 10 20:25:44.986 INFO kablam!     Checking aligned v0.1.2
Aug 10 20:25:45.149 INFO kablam!    Compiling either v1.5.0
Aug 10 20:25:45.381 INFO kablam!     Checking aligned v0.2.0
Aug 10 20:25:46.056 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 10 20:25:46.056 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/bare-metal-0.1.2/src/lib.rs:5:53
Aug 10 20:25:46.056 INFO kablam!   |
Aug 10 20:25:46.056 INFO kablam! 5 | #![cfg_attr(feature = "const-fn", feature(const_fn, const_unsafe_cell_new))]
Aug 10 20:25:46.056 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Aug 10 20:25:46.056 INFO kablam! 
Aug 10 20:25:46.090 INFO kablam! error: aborting due to previous error
Aug 10 20:25:46.090 INFO kablam! 
Aug 10 20:25:46.090 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 10 20:25:46.100 INFO kablam! error: Could not compile `bare-metal`.
Aug 10 20:25:46.101 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 10 20:25:56.956 INFO kablam! error: build failed
Aug 10 20:25:56.958 INFO kablam! su: No module specific data is present
Aug 10 20:25:57.455 INFO running `"docker" "rm" "-f" "cefbee68c6b86549ad36df41a6ad93d398a870d31c3ce15651e7c29bf76af995"`
Aug 10 20:25:57.635 INFO blam! cefbee68c6b86549ad36df41a6ad93d398a870d31c3ce15651e7c29bf76af995