Aug 01 21:15:57.034 INFO checking stm32l4-0.2.2 against 1.27.2+tmplazy for lazy_static-1
Aug 01 21:15:57.034 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:15:57.034 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:15:57.034 INFO running `"docker" "create" "-v" "/tmp/crater.owxqPLrbrwVq:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2+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 21:15:57.312 INFO blam! ccdce51e823ba4a14537e5863e0c78bde95751cb5e615afb5b096d5dbbf975bd
Aug 01 21:15:57.313 INFO running `"docker" "start" "-a" "ccdce51e823ba4a14537e5863e0c78bde95751cb5e615afb5b096d5dbbf975bd"`
Aug 01 21:15:58.409 INFO kablam!     Checking bare-metal v0.2.0
Aug 01 21:15:58.412 INFO kablam!    Compiling stm32l4 v0.2.2 (file:///source)
Aug 01 21:15:58.417 INFO kablam!     Checking aligned v0.2.0
Aug 01 21:15:58.417 INFO kablam!    Compiling cortex-m v0.5.2
Aug 01 21:15:58.417 INFO kablam!     Checking volatile-register v0.2.0
Aug 01 21:16:02.953 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 21:16:02.953 INFO kablam!   --> src/lib.rs:12:1
Aug 01 21:16:02.953 INFO kablam!    |
Aug 01 21:16:02.953 INFO kablam! 12 | #![feature(const_fn)]
Aug 01 21:16:02.953 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Aug 01 21:16:02.953 INFO kablam! 
Aug 01 21:16:02.953 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 21:16:02.953 INFO kablam!   --> src/lib.rs:13:1
Aug 01 21:16:02.953 INFO kablam!    |
Aug 01 21:16:02.953 INFO kablam! 13 | #![feature(try_from)]
Aug 01 21:16:02.953 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Aug 01 21:16:02.953 INFO kablam! 
Aug 01 21:16:02.953 INFO kablam! error: aborting due to 2 previous errors
Aug 01 21:16:02.953 INFO kablam! 
Aug 01 21:16:02.953 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 21:16:02.958 INFO kablam! error: Could not compile `stm32l4`.
Aug 01 21:16:02.958 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 21:16:03.176 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 21:16:03.176 INFO kablam!   --> src/lib.rs:12:1
Aug 01 21:16:03.176 INFO kablam!    |
Aug 01 21:16:03.176 INFO kablam! 12 | #![feature(const_fn)]
Aug 01 21:16:03.176 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Aug 01 21:16:03.176 INFO kablam! 
Aug 01 21:16:03.177 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 21:16:03.177 INFO kablam!   --> src/lib.rs:13:1
Aug 01 21:16:03.177 INFO kablam!    |
Aug 01 21:16:03.177 INFO kablam! 13 | #![feature(try_from)]
Aug 01 21:16:03.177 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Aug 01 21:16:03.177 INFO kablam! 
Aug 01 21:16:03.178 INFO kablam! error: aborting due to 2 previous errors
Aug 01 21:16:03.178 INFO kablam! 
Aug 01 21:16:03.178 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 21:16:03.188 INFO kablam! error: Could not compile `stm32l4`.
Aug 01 21:16:03.188 INFO kablam! 
Aug 01 21:16:03.188 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 21:16:03.190 INFO kablam! su: No module specific data is present
Aug 01 21:16:04.151 INFO running `"docker" "rm" "-f" "ccdce51e823ba4a14537e5863e0c78bde95751cb5e615afb5b096d5dbbf975bd"`
Aug 01 21:16:04.700 INFO blam! ccdce51e823ba4a14537e5863e0c78bde95751cb5e615afb5b096d5dbbf975bd