Aug 11 01:00:19.061 INFO checking stm32f042-0.6.1 against try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy for libc-1
Aug 11 01:00:19.061 INFO running: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 01:00:19.061 INFO creating container for: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 01:00:19.062 INFO running `"docker" "create" "-v" "/tmp/crater.oGLAEeKiDCbj:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-3/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 01:00:19.324 INFO blam! 35dd260ab7751039889812f386c8f121e34001daef5f26f1ed150e6c41786ec0
Aug 11 01:00:19.325 INFO running `"docker" "start" "-a" "35dd260ab7751039889812f386c8f121e34001daef5f26f1ed150e6c41786ec0"`
Aug 11 01:00:20.276 INFO kablam!    Compiling stm32f042 v0.6.1 (file:///source)
Aug 11 01:00:20.279 INFO kablam!     Checking bare-metal v0.2.1
Aug 11 01:00:20.282 INFO kablam!     Checking panic-abort v0.2.0
Aug 11 01:00:20.725 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 11 01:00:20.725 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/bare-metal-0.2.1/src/lib.rs:7:23
Aug 11 01:00:20.725 INFO kablam!   |
Aug 11 01:00:20.725 INFO kablam! 7 |     feature(const_fn, const_unsafe_cell_new)
Aug 11 01:00:20.725 INFO kablam!   |                       ^^^^^^^^^^^^^^^^^^^^^
Aug 11 01:00:20.725 INFO kablam! 
Aug 11 01:00:20.726 INFO kablam! error: aborting due to previous error
Aug 11 01:00:20.726 INFO kablam! 
Aug 11 01:00:20.727 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 11 01:00:20.737 INFO kablam! error: Could not compile `bare-metal`.
Aug 11 01:00:20.738 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 11 01:00:21.755 INFO kablam! error: build failed
Aug 11 01:00:21.757 INFO kablam! su: No module specific data is present
Aug 11 01:00:22.333 INFO running `"docker" "rm" "-f" "35dd260ab7751039889812f386c8f121e34001daef5f26f1ed150e6c41786ec0"`
Aug 11 01:00:22.537 INFO blam! 35dd260ab7751039889812f386c8f121e34001daef5f26f1ed150e6c41786ec0