Aug 01 21:19:58.127 INFO checking stm32f3-0.2.2 against 1.27.2 for lazy_static-1
Aug 01 21:19:58.128 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:19:58.128 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:19:58.128 INFO running `"docker" "create" "-v" "/tmp/crater.oGVqOsKk3JBt:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2:/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 21:19:58.455 INFO blam! 12361daa1d31d37a8c94f357a512af4a858d611f131f255713bc96d43b7d88da
Aug 01 21:19:58.457 INFO running `"docker" "start" "-a" "12361daa1d31d37a8c94f357a512af4a858d611f131f255713bc96d43b7d88da"`
Aug 01 21:19:59.717 INFO kablam!    Compiling stm32f3 v0.2.2 (file:///source)
Aug 01 21:20:02.041 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 21:20:02.042 INFO kablam!   --> src/lib.rs:12:1
Aug 01 21:20:02.042 INFO kablam!    |
Aug 01 21:20:02.042 INFO kablam! 12 | #![feature(const_fn)]
Aug 01 21:20:02.042 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Aug 01 21:20:02.043 INFO kablam! 
Aug 01 21:20:02.043 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 21:20:02.043 INFO kablam!   --> src/lib.rs:13:1
Aug 01 21:20:02.043 INFO kablam!    |
Aug 01 21:20:02.043 INFO kablam! 13 | #![feature(try_from)]
Aug 01 21:20:02.043 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Aug 01 21:20:02.043 INFO kablam! 
Aug 01 21:20:02.043 INFO kablam! error: aborting due to 2 previous errors
Aug 01 21:20:02.043 INFO kablam! 
Aug 01 21:20:02.043 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 21:20:02.057 INFO kablam! error: Could not compile `stm32f3`.
Aug 01 21:20:02.058 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 21:20:02.250 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 21:20:02.250 INFO kablam!   --> src/lib.rs:12:1
Aug 01 21:20:02.250 INFO kablam!    |
Aug 01 21:20:02.250 INFO kablam! 12 | #![feature(const_fn)]
Aug 01 21:20:02.250 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Aug 01 21:20:02.250 INFO kablam! 
Aug 01 21:20:02.250 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 21:20:02.250 INFO kablam!   --> src/lib.rs:13:1
Aug 01 21:20:02.250 INFO kablam!    |
Aug 01 21:20:02.250 INFO kablam! 13 | #![feature(try_from)]
Aug 01 21:20:02.250 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Aug 01 21:20:02.250 INFO kablam! 
Aug 01 21:20:02.252 INFO kablam! error: aborting due to 2 previous errors
Aug 01 21:20:02.252 INFO kablam! 
Aug 01 21:20:02.252 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 21:20:02.265 INFO kablam! error: Could not compile `stm32f3`.
Aug 01 21:20:02.265 INFO kablam! 
Aug 01 21:20:02.265 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 21:20:02.267 INFO kablam! su: No module specific data is present
Aug 01 21:20:03.375 INFO running `"docker" "rm" "-f" "12361daa1d31d37a8c94f357a512af4a858d611f131f255713bc96d43b7d88da"`
Aug 01 21:20:03.640 INFO blam! 12361daa1d31d37a8c94f357a512af4a858d611f131f255713bc96d43b7d88da