Aug 31 14:57:29.224 INFO checking rx_gtk-0.1.1 against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578
Aug 31 14:57:29.224 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets
Aug 31 14:57:29.224 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-1/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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 +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 14:57:29.406 INFO blam! bcdff9c3143ff6397e5a9d1ddf4a9c0a1c98ce021e2d48c344d2f95307dbef20
Aug 31 14:57:29.409 INFO running `"docker" "start" "-a" "bcdff9c3143ff6397e5a9d1ddf4a9c0a1c98ce021e2d48c344d2f95307dbef20"`
Aug 31 14:57:30.397 INFO kablam!     Checking rxrs v0.1.0-alpha3
Aug 31 14:57:30.402 INFO kablam!    Compiling glib-sys v0.6.0
Aug 31 14:57:30.422 INFO kablam!    Compiling gobject-sys v0.6.0
Aug 31 14:57:30.438 INFO kablam!    Compiling gio-sys v0.6.0
Aug 31 14:57:30.455 INFO kablam!    Compiling gdk-pixbuf-sys v0.6.0
Aug 31 14:57:30.466 INFO kablam!    Compiling cairo-sys-rs v0.6.0
Aug 31 14:57:30.495 INFO kablam!    Compiling pango-sys v0.6.0
Aug 31 14:57:30.511 INFO kablam!    Compiling gdk-sys v0.6.0
Aug 31 14:57:34.904 INFO kablam!    Compiling atk-sys v0.6.0
Aug 31 14:57:35.091 INFO kablam!    Compiling gtk-sys v0.6.0
Aug 31 14:57:35.604 INFO kablam!    Compiling cairo-rs v0.4.1
Aug 31 14:57:35.763 INFO kablam!    Compiling gio v0.4.1
Aug 31 14:57:35.847 INFO kablam!    Compiling gdk-pixbuf v0.4.0
Aug 31 14:57:35.993 INFO kablam!    Compiling gdk v0.8.0
Aug 31 14:57:37.996 INFO kablam!    Compiling gtk v0.4.1
Aug 31 14:57:38.757 INFO kablam! error[E0635]: unknown feature `nested_impl_trait`
Aug 31 14:57:38.757 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rxrs-0.1.0-alpha3/src/lib.rs:12:12
Aug 31 14:57:38.757 INFO kablam!    |
Aug 31 14:57:38.757 INFO kablam! 12 | #![feature(nested_impl_trait)]
Aug 31 14:57:38.757 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Aug 31 14:57:38.757 INFO kablam! 
Aug 31 14:57:38.867 INFO kablam! error: aborting due to previous error
Aug 31 14:57:38.867 INFO kablam! 
Aug 31 14:57:38.867 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 31 14:57:38.876 INFO kablam! error: Could not compile `rxrs`.
Aug 31 14:57:38.876 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 31 14:57:40.718 INFO kablam! error: build failed
Aug 31 14:57:40.719 INFO kablam! su: No module specific data is present
Aug 31 14:57:41.046 INFO running `"docker" "rm" "-f" "bcdff9c3143ff6397e5a9d1ddf4a9c0a1c98ce021e2d48c344d2f95307dbef20"`
Aug 31 14:57:41.147 INFO blam! bcdff9c3143ff6397e5a9d1ddf4a9c0a1c98ce021e2d48c344d2f95307dbef20