Aug 02 11:13:01.645 INFO checking drone-cortex-m-macros-0.5.1 against 1.27.2 for lazy_static-1
Aug 02 11:13:01.645 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:13:01.645 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:13:01.646 INFO running `"docker" "create" "-v" "/tmp/crater.PbY31ZNny54N:/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 02 11:13:01.883 INFO blam! 7908b69a190f44415fddabecbdddf2c36d48a0164c47ad38172131d83c5dab21
Aug 02 11:13:01.884 INFO running `"docker" "start" "-a" "7908b69a190f44415fddabecbdddf2c36d48a0164c47ad38172131d83c5dab21"`
Aug 02 11:13:03.446 INFO kablam!     Checking drone-cortex-m-macros v0.5.1 (file:///source)
Aug 02 11:13:05.040 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:13:05.040 INFO kablam!  --> src/lib.rs:4:1
Aug 02 11:13:05.040 INFO kablam!   |
Aug 02 11:13:05.040 INFO kablam! 4 | #![feature(proc_macro)]
Aug 02 11:13:05.040 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 11:13:05.040 INFO kablam! 
Aug 02 11:13:05.041 INFO kablam! error: aborting due to previous error
Aug 02 11:13:05.041 INFO kablam! 
Aug 02 11:13:05.041 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:13:05.055 INFO kablam! error: Could not compile `drone-cortex-m-macros`.
Aug 02 11:13:05.055 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 11:13:05.120 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:13:05.120 INFO kablam!  --> src/lib.rs:4:1
Aug 02 11:13:05.120 INFO kablam!   |
Aug 02 11:13:05.120 INFO kablam! 4 | #![feature(proc_macro)]
Aug 02 11:13:05.120 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 11:13:05.120 INFO kablam! 
Aug 02 11:13:05.120 INFO kablam! error: aborting due to previous error
Aug 02 11:13:05.120 INFO kablam! 
Aug 02 11:13:05.120 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:13:05.131 INFO kablam! error: Could not compile `drone-cortex-m-macros`.
Aug 02 11:13:05.131 INFO kablam! 
Aug 02 11:13:05.131 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 11:13:05.132 INFO kablam! su: No module specific data is present
Aug 02 11:13:05.829 INFO running `"docker" "rm" "-f" "7908b69a190f44415fddabecbdddf2c36d48a0164c47ad38172131d83c5dab21"`
Aug 02 11:13:05.982 INFO blam! 7908b69a190f44415fddabecbdddf2c36d48a0164c47ad38172131d83c5dab21