Aug 01 21:21:15.032 INFO checking stm32f1-0.2.2 against 1.27.2 for lazy_static-1
Aug 01 21:21:15.032 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:21:15.032 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:21:15.032 INFO running `"docker" "create" "-v" "/tmp/crater.T7klFxJ1ZxYU:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2:/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 21:21:15.318 INFO blam! 85e8634c32c0693e778197dd028d3acc4f27a1a45ecf8e28fcccf9a6ff5d890f
Aug 01 21:21:15.320 INFO running `"docker" "start" "-a" "85e8634c32c0693e778197dd028d3acc4f27a1a45ecf8e28fcccf9a6ff5d890f"`
Aug 01 21:21:16.350 INFO kablam!    Compiling stm32f1 v0.2.2 (file:///source)
Aug 01 21:21:18.022 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 21:21:18.023 INFO kablam!   --> src/lib.rs:12:1
Aug 01 21:21:18.023 INFO kablam!    |
Aug 01 21:21:18.023 INFO kablam! 12 | #![feature(const_fn)]
Aug 01 21:21:18.023 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Aug 01 21:21:18.023 INFO kablam! 
Aug 01 21:21:18.023 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 21:21:18.023 INFO kablam!   --> src/lib.rs:13:1
Aug 01 21:21:18.023 INFO kablam!    |
Aug 01 21:21:18.023 INFO kablam! 13 | #![feature(try_from)]
Aug 01 21:21:18.023 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Aug 01 21:21:18.023 INFO kablam! 
Aug 01 21:21:18.023 INFO kablam! error: aborting due to 2 previous errors
Aug 01 21:21:18.023 INFO kablam! 
Aug 01 21:21:18.023 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 21:21:18.023 INFO kablam! error: Could not compile `stm32f1`.
Aug 01 21:21:18.023 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 21:21:18.282 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 21:21:18.282 INFO kablam!   --> src/lib.rs:12:1
Aug 01 21:21:18.282 INFO kablam!    |
Aug 01 21:21:18.282 INFO kablam! 12 | #![feature(const_fn)]
Aug 01 21:21:18.282 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Aug 01 21:21:18.283 INFO kablam! 
Aug 01 21:21:18.283 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 21:21:18.283 INFO kablam!   --> src/lib.rs:13:1
Aug 01 21:21:18.283 INFO kablam!    |
Aug 01 21:21:18.283 INFO kablam! 13 | #![feature(try_from)]
Aug 01 21:21:18.283 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Aug 01 21:21:18.283 INFO kablam! 
Aug 01 21:21:18.283 INFO kablam! error: aborting due to 2 previous errors
Aug 01 21:21:18.283 INFO kablam! 
Aug 01 21:21:18.283 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 21:21:18.290 INFO kablam! error: Could not compile `stm32f1`.
Aug 01 21:21:18.290 INFO kablam! 
Aug 01 21:21:18.290 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 21:21:18.291 INFO kablam! su: No module specific data is present
Aug 01 21:21:18.869 INFO running `"docker" "rm" "-f" "85e8634c32c0693e778197dd028d3acc4f27a1a45ecf8e28fcccf9a6ff5d890f"`
Aug 01 21:21:19.031 INFO blam! 85e8634c32c0693e778197dd028d3acc4f27a1a45ecf8e28fcccf9a6ff5d890f