Sep 21 03:43:14.705 INFO checking rx_gtk-0.1.1 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 03:43:14.705 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 03:43:14.705 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-1/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 03:43:14.918 INFO blam! b3d7087df880aafb6885a3247f28e3e2029626c793b9e051a1789c24751e9020
Sep 21 03:43:14.918 INFO running `"docker" "start" "-a" "b3d7087df880aafb6885a3247f28e3e2029626c793b9e051a1789c24751e9020"`
Sep 21 03:43:16.290 INFO kablam! usermod: no changes
Sep 21 03:43:16.422 INFO kablam!    Compiling gio v0.5.0
Sep 21 03:43:16.422 INFO kablam!    Compiling gdk-pixbuf v0.5.0
Sep 21 03:43:16.422 INFO kablam!    Compiling cairo-rs v0.5.0
Sep 21 03:43:16.422 INFO kablam!    Compiling gdk v0.9.0
Sep 21 03:43:16.422 INFO kablam!    Compiling gtk v0.5.0
Sep 21 03:43:16.422 INFO kablam!     Checking rxrs v0.1.0-alpha3
Sep 21 03:43:16.422 INFO kablam!    Compiling glib-sys v0.7.0
Sep 21 03:43:16.422 INFO kablam!    Compiling gobject-sys v0.7.0
Sep 21 03:43:18.446 INFO kablam!    Compiling gio-sys v0.7.0
Sep 21 03:43:18.471 INFO kablam!    Compiling pango-sys v0.7.0
Sep 21 03:43:18.557 INFO kablam!    Compiling cairo-sys-rs v0.7.0
Sep 21 03:43:19.030 INFO kablam!    Compiling gdk-pixbuf-sys v0.7.0
Sep 21 03:43:19.032 INFO kablam!    Compiling gdk-sys v0.7.0
Sep 21 03:43:20.427 INFO kablam!    Compiling gtk-sys v0.7.0
Sep 21 03:43:22.210 INFO kablam!    Compiling atk-sys v0.7.0
Sep 21 03:43:24.426 INFO kablam! error[E0635]: unknown feature `nested_impl_trait`
Sep 21 03:43:24.426 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rxrs-0.1.0-alpha3/src/lib.rs:12:12
Sep 21 03:43:24.426 INFO kablam!    |
Sep 21 03:43:24.426 INFO kablam! 12 | #![feature(nested_impl_trait)]
Sep 21 03:43:24.426 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Sep 21 03:43:24.435 INFO kablam! 
Sep 21 03:43:24.563 INFO kablam! error: aborting due to previous error
Sep 21 03:43:24.591 INFO kablam! 
Sep 21 03:43:24.591 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 21 03:43:24.598 INFO kablam! error: Could not compile `rxrs`.
Sep 21 03:43:24.598 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 21 03:43:25.288 INFO kablam! error: build failed
Sep 21 03:43:25.290 INFO kablam! su: No module specific data is present
Sep 21 03:43:26.823 INFO running `"docker" "rm" "-f" "b3d7087df880aafb6885a3247f28e3e2029626c793b9e051a1789c24751e9020"`
Sep 21 03:43:26.952 INFO blam! b3d7087df880aafb6885a3247f28e3e2029626c793b9e051a1789c24751e9020