Aug 17 11:23:44.443 INFO checking rx_gtk-0.1.1 against try#a5d98b025f62ace80fe9d2a15781f900fc42515e for pr-53426
Aug 17 11:23:44.443 INFO running: cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets
Aug 17 11:23:44.443 INFO creating container for: cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets
Aug 17 11:23:44.443 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53426/try#a5d98b025f62ace80fe9d2a15781f900fc42515e:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-1/try#a5d98b025f62ace80fe9d2a15781f900fc42515e:/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 +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 17 11:23:44.695 INFO blam! a830255de5299e7f732642955a193b621b5b449b55a9946f3941cb20c288fbaf
Aug 17 11:23:44.702 INFO running `"docker" "start" "-a" "a830255de5299e7f732642955a193b621b5b449b55a9946f3941cb20c288fbaf"`
Aug 17 11:23:45.863 INFO kablam!    Compiling gio v0.4.1
Aug 17 11:23:45.865 INFO kablam!    Compiling gdk-pixbuf v0.4.0
Aug 17 11:23:45.868 INFO kablam!    Compiling gdk v0.8.0
Aug 17 11:23:45.871 INFO kablam!    Compiling gtk v0.4.1
Aug 17 11:23:45.875 INFO kablam!     Checking rxrs v0.1.0-alpha3
Aug 17 11:23:45.881 INFO kablam!    Compiling gio-sys v0.6.0
Aug 17 11:23:45.899 INFO kablam!    Compiling gdk-pixbuf-sys v0.6.0
Aug 17 11:23:45.900 INFO kablam!    Compiling pango-sys v0.6.0
Aug 17 11:23:49.464 INFO kablam!    Compiling gdk-sys v0.6.0
Aug 17 11:23:50.535 INFO kablam!    Compiling gtk-sys v0.6.0
Aug 17 11:23:51.094 INFO kablam!    Compiling atk-sys v0.6.0
Aug 17 11:23:51.096 INFO kablam!     Checking gobject-sys v0.6.0
Aug 17 11:24:00.403 INFO kablam!     Checking glib v0.5.0
Aug 17 11:24:01.882 INFO kablam! error[E0635]: unknown feature `nested_impl_trait`
Aug 17 11:24:01.882 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rxrs-0.1.0-alpha3/src/lib.rs:12:12
Aug 17 11:24:01.882 INFO kablam!    |
Aug 17 11:24:01.882 INFO kablam! 12 | #![feature(nested_impl_trait)]
Aug 17 11:24:01.882 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Aug 17 11:24:01.882 INFO kablam! 
Aug 17 11:24:02.248 INFO kablam! error: aborting due to previous error
Aug 17 11:24:02.249 INFO kablam! 
Aug 17 11:24:02.249 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 17 11:24:02.271 INFO kablam! error: Could not compile `rxrs`.
Aug 17 11:24:02.271 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 17 11:24:21.642 INFO kablam! error: build failed
Aug 17 11:24:21.655 INFO kablam! su: No module specific data is present
Aug 17 11:24:22.226 INFO running `"docker" "rm" "-f" "a830255de5299e7f732642955a193b621b5b449b55a9946f3941cb20c288fbaf"`
Aug 17 11:24:22.388 INFO blam! a830255de5299e7f732642955a193b621b5b449b55a9946f3941cb20c288fbaf