Sep 04 04:23:24.079 INFO checking rx_gtk-0.1.1 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 04:23:24.079 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 04:23:24.079 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-3/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 04:23:24.311 INFO blam! af99f92f62bbd0f04bd979005feb407aed58a9d12318184091350e63fcf6fe84
Sep 04 04:23:24.313 INFO running `"docker" "start" "-a" "af99f92f62bbd0f04bd979005feb407aed58a9d12318184091350e63fcf6fe84"`
Sep 04 04:23:25.388 INFO kablam!     Checking rxrs v0.1.0-alpha3
Sep 04 04:23:25.388 INFO kablam!    Compiling gio-sys v0.6.0
Sep 04 04:23:25.388 INFO kablam!    Compiling gdk-pixbuf-sys v0.6.0
Sep 04 04:23:25.412 INFO kablam!    Compiling pango-sys v0.6.0
Sep 04 04:23:25.432 INFO kablam!    Compiling cairo-sys-rs v0.6.0
Sep 04 04:23:25.476 INFO kablam!    Compiling gdk-sys v0.6.0
Sep 04 04:23:25.487 INFO kablam!    Compiling gtk-sys v0.6.0
Sep 04 04:23:25.496 INFO kablam!     Checking atk-sys v0.6.0
Sep 04 04:23:30.484 INFO kablam!    Compiling cairo-rs v0.4.1
Sep 04 04:23:30.687 INFO kablam!    Compiling gio v0.4.1
Sep 04 04:23:30.789 INFO kablam!    Compiling gdk-pixbuf v0.4.0
Sep 04 04:23:30.858 INFO kablam!    Compiling gdk v0.8.0
Sep 04 04:23:30.965 INFO kablam!    Compiling gtk v0.4.1
Sep 04 04:23:34.125 INFO kablam!     Checking pango v0.4.0
Sep 04 04:23:34.222 INFO kablam! error[E0635]: unknown feature `nested_impl_trait`
Sep 04 04:23:34.222 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rxrs-0.1.0-alpha3/src/lib.rs:12:12
Sep 04 04:23:34.222 INFO kablam!    |
Sep 04 04:23:34.222 INFO kablam! 12 | #![feature(nested_impl_trait)]
Sep 04 04:23:34.222 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Sep 04 04:23:34.222 INFO kablam! 
Sep 04 04:23:34.334 INFO kablam! error: aborting due to previous error
Sep 04 04:23:34.334 INFO kablam! 
Sep 04 04:23:34.334 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 04 04:23:34.343 INFO kablam! error: Could not compile `rxrs`.
Sep 04 04:23:34.343 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 04 04:23:42.133 INFO kablam! error: build failed
Sep 04 04:23:42.135 INFO kablam! su: No module specific data is present
Sep 04 04:23:42.672 INFO running `"docker" "rm" "-f" "af99f92f62bbd0f04bd979005feb407aed58a9d12318184091350e63fcf6fe84"`
Sep 04 04:23:42.771 INFO blam! af99f92f62bbd0f04bd979005feb407aed58a9d12318184091350e63fcf6fe84