Sep 06 00:35:41.660 INFO checking rx_gtk-0.1.1 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 00:35:41.661 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 00:35:41.661 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-6/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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=1000" "-e" "CMD=cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 00:35:41.890 INFO blam! ec62c99f17e4d35f89a033d2bdf2837d04e73108bce6cb2b30892d7efc19d3be
Sep 06 00:35:41.892 INFO running `"docker" "start" "-a" "ec62c99f17e4d35f89a033d2bdf2837d04e73108bce6cb2b30892d7efc19d3be"`
Sep 06 00:35:43.267 INFO kablam! usermod: no changes
Sep 06 00:35:43.458 INFO kablam!    Compiling gio v0.4.1
Sep 06 00:35:43.466 INFO kablam!    Compiling cairo-rs v0.4.1
Sep 06 00:35:43.466 INFO kablam!    Compiling gdk-pixbuf v0.4.0
Sep 06 00:35:43.466 INFO kablam!    Compiling gdk v0.8.0
Sep 06 00:35:43.466 INFO kablam!     Checking c_vec v1.3.2
Sep 06 00:35:43.466 INFO kablam!    Compiling gtk v0.4.1
Sep 06 00:35:43.466 INFO kablam!     Checking rxrs v0.1.0-alpha3
Sep 06 00:35:43.466 INFO kablam!    Compiling gio-sys v0.6.0
Sep 06 00:35:44.773 INFO kablam!    Compiling gdk-pixbuf-sys v0.6.0
Sep 06 00:35:44.845 INFO kablam!    Compiling pango-sys v0.6.0
Sep 06 00:35:45.204 INFO kablam!    Compiling cairo-sys-rs v0.6.0
Sep 06 00:35:45.308 INFO kablam!    Compiling gdk-sys v0.6.0
Sep 06 00:35:45.331 INFO kablam!    Compiling atk-sys v0.6.0
Sep 06 00:35:45.378 INFO kablam!    Compiling gtk-sys v0.6.0
Sep 06 00:35:46.046 INFO kablam!     Checking gobject-sys v0.6.0
Sep 06 00:35:47.272 INFO kablam! error[E0635]: unknown feature `nested_impl_trait`
Sep 06 00:35:47.272 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rxrs-0.1.0-alpha3/src/lib.rs:12:12
Sep 06 00:35:47.272 INFO kablam!    |
Sep 06 00:35:47.272 INFO kablam! 12 | #![feature(nested_impl_trait)]
Sep 06 00:35:47.272 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Sep 06 00:35:47.272 INFO kablam! 
Sep 06 00:35:47.449 INFO kablam! error: aborting due to previous error
Sep 06 00:35:47.454 INFO kablam! 
Sep 06 00:35:47.454 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 06 00:35:47.478 INFO kablam! error: Could not compile `rxrs`.
Sep 06 00:35:47.478 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 06 00:35:48.977 INFO kablam! error: build failed
Sep 06 00:35:48.978 INFO kablam! su: No module specific data is present
Sep 06 00:35:50.184 INFO running `"docker" "rm" "-f" "ec62c99f17e4d35f89a033d2bdf2837d04e73108bce6cb2b30892d7efc19d3be"`
Sep 06 00:35:50.294 INFO blam! ec62c99f17e4d35f89a033d2bdf2837d04e73108bce6cb2b30892d7efc19d3be