Sep 06 00:35:44.228 INFO checking rx_gtk-0.1.1 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 06 00:35:44.228 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 06 00:35:44.229 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-4/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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 +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 00:35:44.462 INFO blam! c50cbc2bbf2895b16ebf2ff2cbad1aac7149364f6ada986b4097ced9d1c5484a
Sep 06 00:35:44.464 INFO running `"docker" "start" "-a" "c50cbc2bbf2895b16ebf2ff2cbad1aac7149364f6ada986b4097ced9d1c5484a"`
Sep 06 00:35:45.545 INFO kablam! usermod: no changes
Sep 06 00:35:45.736 INFO kablam!     Checking rxrs v0.1.0-alpha3
Sep 06 00:35:45.736 INFO kablam!    Compiling glib-sys v0.6.0
Sep 06 00:35:45.736 INFO kablam!    Compiling gobject-sys v0.6.0
Sep 06 00:35:45.736 INFO kablam!    Compiling gio-sys v0.6.0
Sep 06 00:35:45.736 INFO kablam!    Compiling pango-sys v0.6.0
Sep 06 00:35:45.738 INFO kablam!    Compiling cairo-sys-rs v0.6.0
Sep 06 00:35:45.738 INFO kablam!    Compiling gdk-pixbuf-sys v0.6.0
Sep 06 00:35:45.738 INFO kablam!    Compiling gdk-sys v0.6.0
Sep 06 00:35:48.334 INFO kablam!    Compiling atk-sys v0.6.0
Sep 06 00:35:48.506 INFO kablam!    Compiling gtk-sys v0.6.0
Sep 06 00:35:49.005 INFO kablam!    Compiling cairo-rs v0.4.1
Sep 06 00:35:49.964 INFO kablam!    Compiling gio v0.4.1
Sep 06 00:35:50.000 INFO kablam!    Compiling gdk-pixbuf v0.4.0
Sep 06 00:35:50.127 INFO kablam!    Compiling gdk v0.8.0
Sep 06 00:35:50.578 INFO kablam!    Compiling gtk v0.4.1
Sep 06 00:35:50.765 INFO kablam! error[E0635]: unknown feature `nested_impl_trait`
Sep 06 00:35:50.765 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rxrs-0.1.0-alpha3/src/lib.rs:12:12
Sep 06 00:35:50.765 INFO kablam!    |
Sep 06 00:35:50.765 INFO kablam! 12 | #![feature(nested_impl_trait)]
Sep 06 00:35:50.765 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Sep 06 00:35:50.765 INFO kablam! 
Sep 06 00:35:50.832 INFO kablam! error: aborting due to previous error
Sep 06 00:35:50.832 INFO kablam! 
Sep 06 00:35:50.832 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 06 00:35:50.832 INFO kablam! error: Could not compile `rxrs`.
Sep 06 00:35:50.832 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 06 00:35:52.266 INFO kablam! error: build failed
Sep 06 00:35:52.269 INFO kablam! su: No module specific data is present
Sep 06 00:35:53.009 INFO running `"docker" "rm" "-f" "c50cbc2bbf2895b16ebf2ff2cbad1aac7149364f6ada986b4097ced9d1c5484a"`
Sep 06 00:35:53.135 INFO blam! c50cbc2bbf2895b16ebf2ff2cbad1aac7149364f6ada986b4097ced9d1c5484a