Aug 02 11:12:47.279 INFO checking drone-macros-0.6.0 against 1.27.2 for lazy_static-1
Aug 02 11:12:47.279 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:12:47.279 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:12:47.279 INFO running `"docker" "create" "-v" "/tmp/crater.9YEMN8xTALgf:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2:/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 11:12:47.483 INFO blam! 5ac6ee63ff384ac9b33eb4c4cd8e9c9f3768050bd2a89463f187812248989b85
Aug 02 11:12:47.484 INFO running `"docker" "start" "-a" "5ac6ee63ff384ac9b33eb4c4cd8e9c9f3768050bd2a89463f187812248989b85"`
Aug 02 11:12:48.563 INFO kablam!     Checking drone-macros v0.6.0 (file:///source)
Aug 02 11:12:50.278 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:12:50.278 INFO kablam!  --> src/lib.rs:4:1
Aug 02 11:12:50.278 INFO kablam!   |
Aug 02 11:12:50.278 INFO kablam! 4 | #![feature(proc_macro)]
Aug 02 11:12:50.278 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 11:12:50.278 INFO kablam! 
Aug 02 11:12:50.281 INFO kablam! error: aborting due to previous error
Aug 02 11:12:50.281 INFO kablam! 
Aug 02 11:12:50.281 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:12:50.294 INFO kablam! error: Could not compile `drone-macros`.
Aug 02 11:12:50.294 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 11:12:50.401 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:12:50.401 INFO kablam!  --> src/lib.rs:4:1
Aug 02 11:12:50.401 INFO kablam!   |
Aug 02 11:12:50.401 INFO kablam! 4 | #![feature(proc_macro)]
Aug 02 11:12:50.401 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 11:12:50.401 INFO kablam! 
Aug 02 11:12:50.402 INFO kablam! error: aborting due to previous error
Aug 02 11:12:50.403 INFO kablam! 
Aug 02 11:12:50.403 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:12:50.424 INFO kablam! error: Could not compile `drone-macros`.
Aug 02 11:12:50.426 INFO kablam! 
Aug 02 11:12:50.426 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 11:12:50.426 INFO kablam! su: No module specific data is present
Aug 02 11:12:51.245 INFO running `"docker" "rm" "-f" "5ac6ee63ff384ac9b33eb4c4cd8e9c9f3768050bd2a89463f187812248989b85"`
Aug 02 11:12:51.357 INFO blam! 5ac6ee63ff384ac9b33eb4c4cd8e9c9f3768050bd2a89463f187812248989b85