Sep 04 07:34:47.358 INFO checking rx_gtk-0.1.1 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 04 07:34:47.358 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 04 07:34:47.358 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-1/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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 +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 07:34:47.495 INFO blam! 2ec2b371307df1295921b29aaeacc86973fe4c9424afaa24e846fd04b14d412b
Sep 04 07:34:47.496 INFO running `"docker" "start" "-a" "2ec2b371307df1295921b29aaeacc86973fe4c9424afaa24e846fd04b14d412b"`
Sep 04 07:34:48.678 INFO kablam!    Compiling gio v0.4.1
Sep 04 07:34:48.680 INFO kablam!    Compiling gdk-pixbuf v0.4.0
Sep 04 07:34:48.682 INFO kablam!    Compiling gdk v0.8.0
Sep 04 07:34:48.684 INFO kablam!    Compiling gtk v0.4.1
Sep 04 07:34:48.690 INFO kablam!     Checking rxrs v0.1.0-alpha3
Sep 04 07:34:48.692 INFO kablam!    Compiling gio-sys v0.6.0
Sep 04 07:34:48.696 INFO kablam!    Compiling gdk-pixbuf-sys v0.6.0
Sep 04 07:34:48.701 INFO kablam!    Compiling cairo-sys-rs v0.6.0
Sep 04 07:34:50.496 INFO kablam!    Compiling pango-sys v0.6.0
Sep 04 07:34:50.497 INFO kablam!    Compiling gdk-sys v0.6.0
Sep 04 07:34:50.504 INFO kablam!    Compiling gtk-sys v0.6.0
Sep 04 07:34:50.516 INFO kablam!     Checking glib v0.5.0
Sep 04 07:34:51.295 INFO kablam!     Checking atk-sys v0.6.0
Sep 04 07:34:51.556 INFO kablam!    Compiling cairo-rs v0.4.1
Sep 04 07:34:55.003 INFO kablam! error[E0635]: unknown feature `nested_impl_trait`
Sep 04 07:34:55.003 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rxrs-0.1.0-alpha3/src/lib.rs:12:12
Sep 04 07:34:55.004 INFO kablam!    |
Sep 04 07:34:55.004 INFO kablam! 12 | #![feature(nested_impl_trait)]
Sep 04 07:34:55.004 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Sep 04 07:34:55.004 INFO kablam! 
Sep 04 07:34:55.119 INFO kablam! error: aborting due to previous error
Sep 04 07:34:55.119 INFO kablam! 
Sep 04 07:34:55.119 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 04 07:34:55.128 INFO kablam! error: Could not compile `rxrs`.
Sep 04 07:34:55.128 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 04 07:35:01.268 INFO kablam! error: build failed
Sep 04 07:35:01.269 INFO kablam! su: No module specific data is present
Sep 04 07:35:01.781 INFO running `"docker" "rm" "-f" "2ec2b371307df1295921b29aaeacc86973fe4c9424afaa24e846fd04b14d412b"`
Sep 04 07:35:01.875 INFO blam! 2ec2b371307df1295921b29aaeacc86973fe4c9424afaa24e846fd04b14d412b