Sep 17 17:58:26.579 INFO checking rx_gtk-0.1.1 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 17:58:26.579 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 17:58:26.579 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-3/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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 +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 17:58:26.965 INFO blam! b5908d99f690abe707ca3bf255ee646fe75f45bd40bac99d4f1c00e3b1a245ee
Sep 17 17:58:26.979 INFO running `"docker" "start" "-a" "b5908d99f690abe707ca3bf255ee646fe75f45bd40bac99d4f1c00e3b1a245ee"`
Sep 17 17:58:28.155 INFO kablam! usermod: no changes
Sep 17 17:58:28.306 INFO kablam!    Compiling gio v0.5.0
Sep 17 17:58:28.307 INFO kablam!    Compiling gdk-pixbuf v0.5.0
Sep 17 17:58:28.307 INFO kablam!    Compiling cairo-rs v0.5.0
Sep 17 17:58:28.312 INFO kablam!    Compiling gdk v0.9.0
Sep 17 17:58:28.312 INFO kablam!    Compiling gtk v0.5.0
Sep 17 17:58:28.312 INFO kablam!     Checking rxrs v0.1.0-alpha3
Sep 17 17:58:28.312 INFO kablam!    Compiling glib-sys v0.7.0
Sep 17 17:58:28.312 INFO kablam!    Compiling gobject-sys v0.7.0
Sep 17 17:58:29.687 INFO kablam!    Compiling gio-sys v0.7.0
Sep 17 17:58:29.787 INFO kablam!    Compiling cairo-sys-rs v0.7.0
Sep 17 17:58:30.617 INFO kablam!    Compiling gdk-pixbuf-sys v0.7.0
Sep 17 17:58:30.617 INFO kablam!    Compiling pango-sys v0.7.0
Sep 17 17:58:31.143 INFO kablam!    Compiling atk-sys v0.7.0
Sep 17 17:58:32.727 INFO kablam!    Compiling gdk-sys v0.7.0
Sep 17 17:58:32.727 INFO kablam!    Compiling gtk-sys v0.7.0
Sep 17 17:58:36.171 INFO kablam! error[E0635]: unknown feature `nested_impl_trait`
Sep 17 17:58:36.171 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rxrs-0.1.0-alpha3/src/lib.rs:12:12
Sep 17 17:58:36.171 INFO kablam!    |
Sep 17 17:58:36.171 INFO kablam! 12 | #![feature(nested_impl_trait)]
Sep 17 17:58:36.171 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Sep 17 17:58:36.171 INFO kablam! 
Sep 17 17:58:36.231 INFO kablam! error: aborting due to previous error
Sep 17 17:58:36.231 INFO kablam! 
Sep 17 17:58:36.231 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 17 17:58:36.243 INFO kablam! error: Could not compile `rxrs`.
Sep 17 17:58:36.243 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 17 17:58:36.673 INFO kablam! error: build failed
Sep 17 17:58:36.673 INFO kablam! su: No module specific data is present
Sep 17 17:58:37.502 INFO running `"docker" "rm" "-f" "b5908d99f690abe707ca3bf255ee646fe75f45bd40bac99d4f1c00e3b1a245ee"`
Sep 17 17:58:37.675 INFO blam! b5908d99f690abe707ca3bf255ee646fe75f45bd40bac99d4f1c00e3b1a245ee