Aug 01 21:19:09.985 INFO checking stm32f4-0.2.2 against 1.27.2+tmplazy for lazy_static-1
Aug 01 21:19:09.985 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:19:09.985 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:19:09.985 INFO running `"docker" "create" "-v" "/tmp/crater.QcUYYjLBuOxl:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2+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 +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 01 21:19:10.310 INFO blam! c571881b4f419483ce5639964c54b958da802c3fbedd599f71258cd3aff2b12f
Aug 01 21:19:10.310 INFO running `"docker" "start" "-a" "c571881b4f419483ce5639964c54b958da802c3fbedd599f71258cd3aff2b12f"`
Aug 01 21:19:11.747 INFO kablam!     Checking aligned v0.2.0
Aug 01 21:19:11.751 INFO kablam!    Compiling stm32f4 v0.2.2 (file:///source)
Aug 01 21:19:11.751 INFO kablam!     Checking bare-metal v0.2.0
Aug 01 21:19:11.751 INFO kablam!    Compiling cortex-m v0.5.2
Aug 01 21:19:11.771 INFO kablam!     Checking volatile-register v0.2.0
Aug 01 21:19:15.472 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 21:19:15.472 INFO kablam!   --> src/lib.rs:12:1
Aug 01 21:19:15.472 INFO kablam!    |
Aug 01 21:19:15.472 INFO kablam! 12 | #![feature(const_fn)]
Aug 01 21:19:15.472 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Aug 01 21:19:15.472 INFO kablam! 
Aug 01 21:19:15.472 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 21:19:15.472 INFO kablam!   --> src/lib.rs:13:1
Aug 01 21:19:15.472 INFO kablam!    |
Aug 01 21:19:15.472 INFO kablam! 13 | #![feature(try_from)]
Aug 01 21:19:15.472 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Aug 01 21:19:15.472 INFO kablam! 
Aug 01 21:19:15.472 INFO kablam! error: aborting due to 2 previous errors
Aug 01 21:19:15.472 INFO kablam! 
Aug 01 21:19:15.473 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 21:19:15.477 INFO kablam! error: Could not compile `stm32f4`.
Aug 01 21:19:15.477 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 21:19:15.631 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 21:19:15.631 INFO kablam!   --> src/lib.rs:12:1
Aug 01 21:19:15.631 INFO kablam!    |
Aug 01 21:19:15.631 INFO kablam! 12 | #![feature(const_fn)]
Aug 01 21:19:15.631 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Aug 01 21:19:15.631 INFO kablam! 
Aug 01 21:19:15.631 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 21:19:15.631 INFO kablam!   --> src/lib.rs:13:1
Aug 01 21:19:15.631 INFO kablam!    |
Aug 01 21:19:15.631 INFO kablam! 13 | #![feature(try_from)]
Aug 01 21:19:15.631 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Aug 01 21:19:15.631 INFO kablam! 
Aug 01 21:19:15.631 INFO kablam! error: aborting due to 2 previous errors
Aug 01 21:19:15.631 INFO kablam! 
Aug 01 21:19:15.631 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 21:19:15.638 INFO kablam! error: Could not compile `stm32f4`.
Aug 01 21:19:15.638 INFO kablam! 
Aug 01 21:19:15.638 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 21:19:15.640 INFO kablam! su: No module specific data is present
Aug 01 21:19:16.396 INFO running `"docker" "rm" "-f" "c571881b4f419483ce5639964c54b958da802c3fbedd599f71258cd3aff2b12f"`
Aug 01 21:19:16.592 INFO blam! c571881b4f419483ce5639964c54b958da802c3fbedd599f71258cd3aff2b12f