Aug 30 04:28:32.715 INFO checking rust-sort-0.1.4 against master#545f22340f72ee0efaf6463efb43a2840e3d35db for pr-53699
Aug 30 04:28:32.715 INFO running: cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets
Aug 30 04:28:32.715 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53699/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-0/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/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" "-e" "USER_ID=500" "-e" "CMD=cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 04:28:32.890 INFO blam! ec3f7dcb92c9046213a717a7aa7ef436b27296af44cec81080bbe069d6ffd2d3
Aug 30 04:28:32.892 INFO running `"docker" "start" "-a" "ec3f7dcb92c9046213a717a7aa7ef436b27296af44cec81080bbe069d6ffd2d3"`
Aug 30 04:28:33.560 INFO kablam!     Checking commandext v0.1.0
Aug 30 04:28:33.560 INFO kablam!     Checking rust-sort v0.1.4 (file:///source)
Aug 30 04:28:34.076 INFO kablam!     Checking utils v0.0.1
Aug 30 04:28:34.380 INFO kablam! error[E0658]: The attribute `experimental` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Aug 30 04:28:34.380 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.1/src/lib.rs:83:3
Aug 30 04:28:34.380 INFO kablam!    |
Aug 30 04:28:34.380 INFO kablam! 83 | #[experimental]
Aug 30 04:28:34.380 INFO kablam!    |   ^^^^^^^^^^^^
Aug 30 04:28:34.380 INFO kablam!    |
Aug 30 04:28:34.380 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 04:28:34.380 INFO kablam! 
Aug 30 04:28:34.380 INFO kablam! error[E0658]: The attribute `experimental` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Aug 30 04:28:34.380 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.1/src/lib.rs:77:3
Aug 30 04:28:34.380 INFO kablam!    |
Aug 30 04:28:34.380 INFO kablam! 77 | #[experimental]
Aug 30 04:28:34.381 INFO kablam!    |   ^^^^^^^^^^^^
Aug 30 04:28:34.381 INFO kablam!    |
Aug 30 04:28:34.381 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 04:28:34.381 INFO kablam! 
Aug 30 04:28:34.381 INFO kablam! error[E0658]: The attribute `experimental` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Aug 30 04:28:34.381 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.1/src/lib.rs:37:3
Aug 30 04:28:34.381 INFO kablam!    |
Aug 30 04:28:34.381 INFO kablam! 37 | #[experimental]
Aug 30 04:28:34.381 INFO kablam!    |   ^^^^^^^^^^^^
Aug 30 04:28:34.381 INFO kablam!    |
Aug 30 04:28:34.381 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 04:28:34.381 INFO kablam! 
Aug 30 04:28:34.381 INFO kablam! error[E0658]: The attribute `experimental` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Aug 30 04:28:34.381 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.1/src/lib.rs:29:3
Aug 30 04:28:34.381 INFO kablam!    |
Aug 30 04:28:34.382 INFO kablam! 29 | #[experimental]
Aug 30 04:28:34.382 INFO kablam!    |   ^^^^^^^^^^^^
Aug 30 04:28:34.382 INFO kablam!    |
Aug 30 04:28:34.382 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 04:28:34.382 INFO kablam! 
Aug 30 04:28:34.382 INFO kablam! error[E0658]: The attribute `experimental` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Aug 30 04:28:34.382 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.1/src/lib.rs:13:3
Aug 30 04:28:34.382 INFO kablam!    |
Aug 30 04:28:34.382 INFO kablam! 13 | #[experimental]
Aug 30 04:28:34.382 INFO kablam!    |   ^^^^^^^^^^^^
Aug 30 04:28:34.382 INFO kablam!    |
Aug 30 04:28:34.382 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 04:28:34.382 INFO kablam! 
Aug 30 04:28:34.382 INFO kablam! error[E0658]: The attribute `experimental` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Aug 30 04:28:34.382 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.1/src/empty.rs:63:3
Aug 30 04:28:34.382 INFO kablam!    |
Aug 30 04:28:34.382 INFO kablam! 63 | #[experimental]
Aug 30 04:28:34.382 INFO kablam!    |   ^^^^^^^^^^^^
Aug 30 04:28:34.382 INFO kablam!    |
Aug 30 04:28:34.382 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 04:28:34.382 INFO kablam! 
Aug 30 04:28:34.382 INFO kablam! error[E0658]: The attribute `experimental` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Aug 30 04:28:34.382 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.1/src/empty.rs:45:3
Aug 30 04:28:34.382 INFO kablam!    |
Aug 30 04:28:34.382 INFO kablam! 45 | #[experimental]
Aug 30 04:28:34.382 INFO kablam!    |   ^^^^^^^^^^^^
Aug 30 04:28:34.383 INFO kablam!    |
Aug 30 04:28:34.383 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 04:28:34.383 INFO kablam! 
Aug 30 04:28:34.383 INFO kablam! error[E0658]: The attribute `experimental` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Aug 30 04:28:34.383 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.1/src/empty.rs:37:3
Aug 30 04:28:34.383 INFO kablam!    |
Aug 30 04:28:34.383 INFO kablam! 37 | #[experimental]
Aug 30 04:28:34.383 INFO kablam!    |   ^^^^^^^^^^^^
Aug 30 04:28:34.383 INFO kablam!    |
Aug 30 04:28:34.383 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 04:28:34.383 INFO kablam! 
Aug 30 04:28:34.383 INFO kablam! error[E0658]: The attribute `experimental` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Aug 30 04:28:34.383 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.1/src/empty.rs:29:3
Aug 30 04:28:34.383 INFO kablam!    |
Aug 30 04:28:34.383 INFO kablam! 29 | #[experimental]
Aug 30 04:28:34.383 INFO kablam!    |   ^^^^^^^^^^^^
Aug 30 04:28:34.383 INFO kablam!    |
Aug 30 04:28:34.383 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 04:28:34.383 INFO kablam! 
Aug 30 04:28:34.383 INFO kablam! error[E0658]: The attribute `experimental` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Aug 30 04:28:34.383 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.1/src/empty.rs:21:3
Aug 30 04:28:34.383 INFO kablam!    |
Aug 30 04:28:34.383 INFO kablam! 21 | #[experimental]
Aug 30 04:28:34.383 INFO kablam!    |   ^^^^^^^^^^^^
Aug 30 04:28:34.383 INFO kablam!    |
Aug 30 04:28:34.384 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 04:28:34.384 INFO kablam! 
Aug 30 04:28:34.384 INFO kablam! error[E0658]: The attribute `experimental` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Aug 30 04:28:34.384 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.1/src/empty.rs:14:3
Aug 30 04:28:34.384 INFO kablam!    |
Aug 30 04:28:34.384 INFO kablam! 14 | #[experimental]
Aug 30 04:28:34.384 INFO kablam!    |   ^^^^^^^^^^^^
Aug 30 04:28:34.384 INFO kablam!    |
Aug 30 04:28:34.384 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 04:28:34.384 INFO kablam! 
Aug 30 04:28:34.384 INFO kablam! error: aborting due to 11 previous errors
Aug 30 04:28:34.384 INFO kablam! 
Aug 30 04:28:34.384 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 30 04:28:34.389 INFO kablam! error: Could not compile `utils`.
Aug 30 04:28:34.389 INFO kablam! 
Aug 30 04:28:34.389 INFO kablam! To learn more, run the command again with --verbose.
Aug 30 04:28:34.391 INFO kablam! su: No module specific data is present
Aug 30 04:28:34.905 INFO running `"docker" "rm" "-f" "ec3f7dcb92c9046213a717a7aa7ef436b27296af44cec81080bbe069d6ffd2d3"`
Aug 30 04:28:34.996 INFO blam! ec3f7dcb92c9046213a717a7aa7ef436b27296af44cec81080bbe069d6ffd2d3