Aug 31 14:57:28.321 INFO checking rx_gtk-0.1.1 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 14:57:28.321 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 14:57:28.321 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-0/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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 +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 14:57:28.517 INFO blam! e3d6aa8ec20616a2366023eceea41c6979523dc46b658997bf9dca775d4638b4
Aug 31 14:57:28.519 INFO running `"docker" "start" "-a" "e3d6aa8ec20616a2366023eceea41c6979523dc46b658997bf9dca775d4638b4"`
Aug 31 14:57:29.368 INFO kablam!    Compiling gio v0.4.1
Aug 31 14:57:29.368 INFO kablam!    Compiling gdk-pixbuf v0.4.0
Aug 31 14:57:29.368 INFO kablam!    Compiling gdk v0.8.0
Aug 31 14:57:29.369 INFO kablam!    Compiling gtk v0.4.1
Aug 31 14:57:29.370 INFO kablam!     Checking rxrs v0.1.0-alpha3
Aug 31 14:57:29.371 INFO kablam!    Compiling glib-sys v0.6.0
Aug 31 14:57:29.372 INFO kablam!    Compiling gobject-sys v0.6.0
Aug 31 14:57:29.373 INFO kablam!    Compiling gio-sys v0.6.0
Aug 31 14:57:32.197 INFO kablam!    Compiling pango-sys v0.6.0
Aug 31 14:57:32.439 INFO kablam!    Compiling gdk-pixbuf-sys v0.6.0
Aug 31 14:57:32.531 INFO kablam!    Compiling cairo-sys-rs v0.6.0
Aug 31 14:57:32.627 INFO kablam!    Compiling gdk-sys v0.6.0
Aug 31 14:57:33.526 INFO kablam!    Compiling atk-sys v0.6.0
Aug 31 14:57:33.792 INFO kablam!    Compiling gtk-sys v0.6.0
Aug 31 14:57:37.128 INFO kablam!    Compiling cairo-rs v0.4.1
Aug 31 14:57:38.669 INFO kablam! error[E0635]: unknown feature `nested_impl_trait`
Aug 31 14:57:38.669 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rxrs-0.1.0-alpha3/src/lib.rs:12:12
Aug 31 14:57:38.669 INFO kablam!    |
Aug 31 14:57:38.669 INFO kablam! 12 | #![feature(nested_impl_trait)]
Aug 31 14:57:38.669 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Aug 31 14:57:38.670 INFO kablam! 
Aug 31 14:57:38.772 INFO kablam! error: aborting due to previous error
Aug 31 14:57:38.772 INFO kablam! 
Aug 31 14:57:38.773 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 31 14:57:38.782 INFO kablam! error: Could not compile `rxrs`.
Aug 31 14:57:38.783 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 31 14:57:40.553 INFO kablam! error: build failed
Aug 31 14:57:40.555 INFO kablam! su: No module specific data is present
Aug 31 14:57:40.899 INFO running `"docker" "rm" "-f" "e3d6aa8ec20616a2366023eceea41c6979523dc46b658997bf9dca775d4638b4"`
Aug 31 14:57:41.012 INFO blam! e3d6aa8ec20616a2366023eceea41c6979523dc46b658997bf9dca775d4638b4