Sep 04 04:23:23.396 INFO checking rx_gtk-0.1.1 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 04 04:23:23.397 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 04 04:23:23.397 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-1/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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 +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 04:23:23.689 INFO blam! 70f3f91faba423eb85912791592f61de3a6c36cd4eb7acabc465ce1529e76ad0
Sep 04 04:23:23.692 INFO running `"docker" "start" "-a" "70f3f91faba423eb85912791592f61de3a6c36cd4eb7acabc465ce1529e76ad0"`
Sep 04 04:23:24.671 INFO kablam!    Compiling gio v0.4.1
Sep 04 04:23:24.671 INFO kablam!    Compiling gdk-pixbuf v0.4.0
Sep 04 04:23:24.672 INFO kablam!    Compiling gdk v0.8.0
Sep 04 04:23:24.677 INFO kablam!    Compiling gtk v0.4.1
Sep 04 04:23:24.684 INFO kablam!     Checking rxrs v0.1.0-alpha3
Sep 04 04:23:24.686 INFO kablam!    Compiling gio-sys v0.6.0
Sep 04 04:23:24.686 INFO kablam!    Compiling pango-sys v0.6.0
Sep 04 04:23:24.687 INFO kablam!    Compiling cairo-sys-rs v0.6.0
Sep 04 04:23:26.140 INFO kablam!    Compiling gdk-pixbuf-sys v0.6.0
Sep 04 04:23:26.911 INFO kablam!    Compiling gdk-sys v0.6.0
Sep 04 04:23:26.942 INFO kablam!    Compiling gtk-sys v0.6.0
Sep 04 04:23:28.254 INFO kablam!     Checking gobject-sys v0.6.0
Sep 04 04:23:30.263 INFO kablam!    Compiling cairo-rs v0.4.1
Sep 04 04:23:33.407 INFO kablam! error[E0635]: unknown feature `nested_impl_trait`
Sep 04 04:23:33.408 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rxrs-0.1.0-alpha3/src/lib.rs:12:12
Sep 04 04:23:33.408 INFO kablam!    |
Sep 04 04:23:33.408 INFO kablam! 12 | #![feature(nested_impl_trait)]
Sep 04 04:23:33.408 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Sep 04 04:23:33.408 INFO kablam! 
Sep 04 04:23:33.524 INFO kablam! error: aborting due to previous error
Sep 04 04:23:33.524 INFO kablam! 
Sep 04 04:23:33.525 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 04 04:23:33.534 INFO kablam! error: Could not compile `rxrs`.
Sep 04 04:23:33.535 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 04 04:23:33.865 INFO kablam! error: build failed
Sep 04 04:23:33.867 INFO kablam! su: No module specific data is present
Sep 04 04:23:34.430 INFO running `"docker" "rm" "-f" "70f3f91faba423eb85912791592f61de3a6c36cd4eb7acabc465ce1529e76ad0"`
Sep 04 04:23:34.581 INFO blam! 70f3f91faba423eb85912791592f61de3a6c36cd4eb7acabc465ce1529e76ad0