Aug 02 11:19:30.372 INFO checking dns-0.0.3-pre1 against 1.27.2+tmplazy for lazy_static-1
Aug 02 11:19:30.372 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:19:30.372 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:19:30.372 INFO running `"docker" "create" "-v" "/tmp/crater.VdIBRMx8RU6g:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2+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 11:19:30.627 INFO blam! 07148ce7ff19f345a27f54edd891527c41a8cd4e863f735838af9224cbcda1f4
Aug 02 11:19:30.634 INFO running `"docker" "start" "-a" "07148ce7ff19f345a27f54edd891527c41a8cd4e863f735838af9224cbcda1f4"`
Aug 02 11:19:32.018 INFO kablam!     Checking dns v0.0.3-pre1 (file:///source)
Aug 02 11:19:32.508 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:19:32.508 INFO kablam!  --> src/lib.rs:3:1
Aug 02 11:19:32.508 INFO kablam!   |
Aug 02 11:19:32.508 INFO kablam! 3 | #![feature(convert)]
Aug 02 11:19:32.508 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^
Aug 02 11:19:32.508 INFO kablam! 
Aug 02 11:19:32.508 INFO kablam! error: aborting due to previous error
Aug 02 11:19:32.508 INFO kablam! 
Aug 02 11:19:32.508 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:19:32.517 INFO kablam! error: Could not compile `dns`.
Aug 02 11:19:32.517 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 11:19:32.766 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:19:32.766 INFO kablam!  --> src/lib.rs:3:1
Aug 02 11:19:32.766 INFO kablam!   |
Aug 02 11:19:32.766 INFO kablam! 3 | #![feature(convert)]
Aug 02 11:19:32.766 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^
Aug 02 11:19:32.766 INFO kablam! 
Aug 02 11:19:32.772 INFO kablam! error: aborting due to previous error
Aug 02 11:19:32.772 INFO kablam! 
Aug 02 11:19:32.772 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:19:32.777 INFO kablam! error: Could not compile `dns`.
Aug 02 11:19:32.777 INFO kablam! 
Aug 02 11:19:32.777 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 11:19:32.778 INFO kablam! su: No module specific data is present
Aug 02 11:19:33.798 INFO running `"docker" "rm" "-f" "07148ce7ff19f345a27f54edd891527c41a8cd4e863f735838af9224cbcda1f4"`
Aug 02 11:19:33.896 INFO blam! 07148ce7ff19f345a27f54edd891527c41a8cd4e863f735838af9224cbcda1f4