Aug 11 00:56:16.732 INFO checking stm32f334-0.1.0 against try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy for libc-1
Aug 11 00:56:16.732 INFO running: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 00:56:16.732 INFO creating container for: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 00:56:16.733 INFO running `"docker" "create" "-v" "/tmp/crater.nZ1v5pS6PRl3:/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 00:56:17.084 INFO blam! 71ecea608d43703b7a12a27af91ea537247b575e1b356faacfacaaf8c6019b7d
Aug 11 00:56:17.087 INFO running `"docker" "start" "-a" "71ecea608d43703b7a12a27af91ea537247b575e1b356faacfacaaf8c6019b7d"`
Aug 11 00:56:18.928 INFO kablam!     Checking bare-metal v0.1.2
Aug 11 00:56:19.311 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 11 00:56:19.311 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/bare-metal-0.1.2/src/lib.rs:5:53
Aug 11 00:56:19.311 INFO kablam!   |
Aug 11 00:56:19.312 INFO kablam! 5 | #![cfg_attr(feature = "const-fn", feature(const_fn, const_unsafe_cell_new))]
Aug 11 00:56:19.312 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Aug 11 00:56:19.312 INFO kablam! 
Aug 11 00:56:19.313 INFO kablam! error: aborting due to previous error
Aug 11 00:56:19.313 INFO kablam! 
Aug 11 00:56:19.313 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 11 00:56:19.320 INFO kablam! error: Could not compile `bare-metal`.
Aug 11 00:56:19.320 INFO kablam! 
Aug 11 00:56:19.320 INFO kablam! To learn more, run the command again with --verbose.
Aug 11 00:56:19.322 INFO kablam! su: No module specific data is present
Aug 11 00:56:20.661 INFO running `"docker" "rm" "-f" "71ecea608d43703b7a12a27af91ea537247b575e1b356faacfacaaf8c6019b7d"`
Aug 11 00:56:20.853 INFO blam! 71ecea608d43703b7a12a27af91ea537247b575e1b356faacfacaaf8c6019b7d