Aug 02 04:40:11.696 INFO checking mastodon-0.1.0 against 1.27.2 for lazy_static-1
Aug 02 04:40:11.696 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:40:11.696 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:40:11.696 INFO running `"docker" "create" "-v" "/tmp/crater.Ht2VGaiq0U77:/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 04:40:11.900 INFO blam! fb4b2471b25fbc272cd952993e75fa2fc428d29351360ebc18a34582624aba02
Aug 02 04:40:11.902 INFO running `"docker" "start" "-a" "fb4b2471b25fbc272cd952993e75fa2fc428d29351360ebc18a34582624aba02"`
Aug 02 04:40:13.429 INFO kablam!     Checking mastodon v0.1.0 (file:///source)
Aug 02 04:40:15.083 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:40:15.083 INFO kablam!  --> src/lib.rs:1:1
Aug 02 04:40:15.083 INFO kablam!   |
Aug 02 04:40:15.083 INFO kablam! 1 | #![feature(proc_macro)]
Aug 02 04:40:15.083 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 04:40:15.083 INFO kablam! 
Aug 02 04:40:15.087 INFO kablam! error: aborting due to previous error
Aug 02 04:40:15.087 INFO kablam! 
Aug 02 04:40:15.087 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 04:40:15.097 INFO kablam! error: Could not compile `mastodon`.
Aug 02 04:40:15.097 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 04:40:15.193 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:40:15.193 INFO kablam!  --> src/lib.rs:1:1
Aug 02 04:40:15.193 INFO kablam!   |
Aug 02 04:40:15.193 INFO kablam! 1 | #![feature(proc_macro)]
Aug 02 04:40:15.193 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 04:40:15.194 INFO kablam! 
Aug 02 04:40:15.198 INFO kablam! error: aborting due to previous error
Aug 02 04:40:15.198 INFO kablam! 
Aug 02 04:40:15.198 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 04:40:15.215 INFO kablam! error: Could not compile `mastodon`.
Aug 02 04:40:15.215 INFO kablam! 
Aug 02 04:40:15.215 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 04:40:15.217 INFO kablam! su: No module specific data is present
Aug 02 04:40:15.959 INFO running `"docker" "rm" "-f" "fb4b2471b25fbc272cd952993e75fa2fc428d29351360ebc18a34582624aba02"`
Aug 02 04:40:16.085 INFO blam! fb4b2471b25fbc272cd952993e75fa2fc428d29351360ebc18a34582624aba02