Aug 02 00:28:04.884 INFO checking rls-data-0.16.0 against 1.27.2 for lazy_static-1 Aug 02 00:28:04.885 INFO running: cargo +1.27.2 check --frozen --all --all-targets Aug 02 00:28:04.885 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets Aug 02 00:28:04.885 INFO running `"docker" "create" "-v" "/tmp/crater.9GQv4YKaDZB2:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2:/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 00:28:05.131 INFO blam! ae430ecbedc728d8eb5e0270561a93ace6a7882a7a66812306356ea7bbc469c9 Aug 02 00:28:05.136 INFO running `"docker" "start" "-a" "ae430ecbedc728d8eb5e0270561a93ace6a7882a7a66812306356ea7bbc469c9"` Aug 02 00:28:06.453 INFO kablam! Checking rls-span v0.4.0 Aug 02 00:28:06.785 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel Aug 02 00:28:06.785 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rls-span-0.4.0/src/lib.rs:12:1 Aug 02 00:28:06.785 INFO kablam! | Aug 02 00:28:06.785 INFO kablam! 12 | #![feature(proc_macro)] Aug 02 00:28:06.785 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^ Aug 02 00:28:06.785 INFO kablam! Aug 02 00:28:06.787 INFO kablam! error: aborting due to previous error Aug 02 00:28:06.787 INFO kablam! Aug 02 00:28:06.787 INFO kablam! For more information about this error, try `rustc --explain E0554`. Aug 02 00:28:06.792 INFO kablam! error: Could not compile `rls-span`. Aug 02 00:28:06.792 INFO kablam! Aug 02 00:28:06.792 INFO kablam! To learn more, run the command again with --verbose. Aug 02 00:28:06.793 INFO kablam! su: No module specific data is present Aug 02 00:28:07.340 INFO running `"docker" "rm" "-f" "ae430ecbedc728d8eb5e0270561a93ace6a7882a7a66812306356ea7bbc469c9"` Aug 02 00:28:07.461 INFO blam! ae430ecbedc728d8eb5e0270561a93ace6a7882a7a66812306356ea7bbc469c9