Aug 02 09:38:31.655 INFO checking fuel_line_derive-0.1.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 09:38:31.655 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 09:38:31.655 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 09:38:31.655 INFO running `"docker" "create" "-v" "/tmp/crater.3ZDIdBxVc4vA:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2+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 09:38:31.793 INFO blam! 3e7e64ded3635269dbbf99237d232179b7ada0a19aa83876eb05d5e00f0ee700
Aug 02 09:38:31.795 INFO running `"docker" "start" "-a" "3e7e64ded3635269dbbf99237d232179b7ada0a19aa83876eb05d5e00f0ee700"`
Aug 02 09:38:32.982 INFO kablam!     Checking syn v0.13.11
Aug 02 09:38:39.951 INFO kablam!     Checking fuel_line_derive v0.1.0 (file:///source)
Aug 02 09:38:41.325 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 09:38:41.325 INFO kablam!  --> src/lib.rs:1:1
Aug 02 09:38:41.325 INFO kablam!   |
Aug 02 09:38:41.325 INFO kablam! 1 | #![feature(proc_macro)]
Aug 02 09:38:41.325 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 09:38:41.325 INFO kablam! 
Aug 02 09:38:41.326 INFO kablam! error: aborting due to previous error
Aug 02 09:38:41.326 INFO kablam! 
Aug 02 09:38:41.326 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 09:38:41.349 INFO kablam! error: Could not compile `fuel_line_derive`.
Aug 02 09:38:41.349 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 09:38:41.445 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 09:38:41.445 INFO kablam!  --> src/lib.rs:1:1
Aug 02 09:38:41.445 INFO kablam!   |
Aug 02 09:38:41.445 INFO kablam! 1 | #![feature(proc_macro)]
Aug 02 09:38:41.445 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 09:38:41.445 INFO kablam! 
Aug 02 09:38:41.445 INFO kablam! error: aborting due to previous error
Aug 02 09:38:41.445 INFO kablam! 
Aug 02 09:38:41.445 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 09:38:41.457 INFO kablam! error: Could not compile `fuel_line_derive`.
Aug 02 09:38:41.458 INFO kablam! 
Aug 02 09:38:41.458 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 09:38:41.459 INFO kablam! su: No module specific data is present
Aug 02 09:38:42.391 INFO running `"docker" "rm" "-f" "3e7e64ded3635269dbbf99237d232179b7ada0a19aa83876eb05d5e00f0ee700"`
Aug 02 09:38:42.588 INFO blam! 3e7e64ded3635269dbbf99237d232179b7ada0a19aa83876eb05d5e00f0ee700