Aug 02 11:13:00.556 INFO checking drone-cortex-m-macros-0.7.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 11:13:00.556 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:13:00.556 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:13:00.557 INFO running `"docker" "create" "-v" "/tmp/crater.nyWWIeIUP63W:/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 02 11:13:00.766 INFO blam! 9c384b8fcdb7f06f018cdd1690bab1712c08f8aa7f492384462e15c5a691d183
Aug 02 11:13:00.768 INFO running `"docker" "start" "-a" "9c384b8fcdb7f06f018cdd1690bab1712c08f8aa7f492384462e15c5a691d183"`
Aug 02 11:13:02.436 INFO kablam!     Checking Inflector v0.11.3
Aug 02 11:13:02.437 INFO kablam!     Checking drone-macros-core v0.7.0
Aug 02 11:13:03.953 INFO kablam!     Checking drone-cortex-m-macros v0.7.0 (file:///source)
Aug 02 11:13:06.363 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:13:06.363 INFO kablam!  --> src/lib.rs:5:1
Aug 02 11:13:06.363 INFO kablam!   |
Aug 02 11:13:06.363 INFO kablam! 5 | #![feature(proc_macro)]
Aug 02 11:13:06.363 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 11:13:06.364 INFO kablam! 
Aug 02 11:13:06.365 INFO kablam! error: aborting due to previous error
Aug 02 11:13:06.366 INFO kablam! 
Aug 02 11:13:06.366 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:13:06.381 INFO kablam! error: Could not compile `drone-cortex-m-macros`.
Aug 02 11:13:06.388 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 11:13:06.698 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:13:06.698 INFO kablam!  --> src/lib.rs:5:1
Aug 02 11:13:06.698 INFO kablam!   |
Aug 02 11:13:06.698 INFO kablam! 5 | #![feature(proc_macro)]
Aug 02 11:13:06.698 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 11:13:06.698 INFO kablam! 
Aug 02 11:13:06.700 INFO kablam! error: aborting due to previous error
Aug 02 11:13:06.700 INFO kablam! 
Aug 02 11:13:06.700 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:13:06.717 INFO kablam! error: Could not compile `drone-cortex-m-macros`.
Aug 02 11:13:06.717 INFO kablam! 
Aug 02 11:13:06.717 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 11:13:06.718 INFO kablam! su: No module specific data is present
Aug 02 11:13:07.362 INFO running `"docker" "rm" "-f" "9c384b8fcdb7f06f018cdd1690bab1712c08f8aa7f492384462e15c5a691d183"`
Aug 02 11:13:07.562 INFO blam! 9c384b8fcdb7f06f018cdd1690bab1712c08f8aa7f492384462e15c5a691d183