Aug 11 01:00:17.248 INFO checking stm32f042-hal-0.4.2 against try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy for libc-1
Aug 11 01:00:17.248 INFO running: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 01:00:17.248 INFO creating container for: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 01:00:17.248 INFO running `"docker" "create" "-v" "/tmp/crater.zH6NeWHJ1u7d:/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 01:00:17.472 INFO blam! 131ac67d4e0b4c14c9079bc50b2816d47eac79d5509c3364c7aa16ffc1ba50b9
Aug 11 01:00:17.474 INFO running `"docker" "start" "-a" "131ac67d4e0b4c14c9079bc50b2816d47eac79d5509c3364c7aa16ffc1ba50b9"`
Aug 11 01:00:18.565 INFO kablam!     Checking bare-metal v0.2.1
Aug 11 01:00:18.566 INFO kablam!     Checking r0 v0.2.2
Aug 11 01:00:18.567 INFO kablam!    Compiling stm32f042 v0.6.1
Aug 11 01:00:18.568 INFO kablam!     Checking panic-abort v0.2.0
Aug 11 01:00:18.568 INFO kablam!    Compiling cortex-m-rt v0.5.1
Aug 11 01:00:18.574 INFO kablam!     Checking ina260 v0.2.2
Aug 11 01:00:19.226 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 11 01:00:19.227 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/bare-metal-0.2.1/src/lib.rs:7:23
Aug 11 01:00:19.227 INFO kablam!   |
Aug 11 01:00:19.227 INFO kablam! 7 |     feature(const_fn, const_unsafe_cell_new)
Aug 11 01:00:19.227 INFO kablam!   |                       ^^^^^^^^^^^^^^^^^^^^^
Aug 11 01:00:19.227 INFO kablam! 
Aug 11 01:00:19.228 INFO kablam! error: aborting due to previous error
Aug 11 01:00:19.244 INFO kablam! 
Aug 11 01:00:19.245 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 11 01:00:19.251 INFO kablam! error: Could not compile `bare-metal`.
Aug 11 01:00:19.251 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 11 01:00:21.134 INFO kablam! error: build failed
Aug 11 01:00:21.136 INFO kablam! su: No module specific data is present
Aug 11 01:00:21.646 INFO running `"docker" "rm" "-f" "131ac67d4e0b4c14c9079bc50b2816d47eac79d5509c3364c7aa16ffc1ba50b9"`
Aug 11 01:00:21.820 INFO blam! 131ac67d4e0b4c14c9079bc50b2816d47eac79d5509c3364c7aa16ffc1ba50b9