Sep 14 09:44:19.265 INFO checking rx_gtk-0.1.1 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 09:44:19.266 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 09:44:19.266 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-0/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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 +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 09:44:19.843 INFO blam! 2e0ef2e73eba9d699245ce2ee87ae9133af3c4d390944ff3120545f93e6ba4a2
Sep 14 09:44:19.851 INFO running `"docker" "start" "-a" "2e0ef2e73eba9d699245ce2ee87ae9133af3c4d390944ff3120545f93e6ba4a2"`
Sep 14 09:44:21.639 INFO kablam! usermod: no changes
Sep 14 09:44:21.823 INFO kablam!    Compiling gio v0.5.0
Sep 14 09:44:21.823 INFO kablam!    Compiling cairo-rs v0.5.0
Sep 14 09:44:21.828 INFO kablam!    Compiling gdk-pixbuf v0.5.0
Sep 14 09:44:21.831 INFO kablam!     Checking fragile v0.3.0
Sep 14 09:44:21.831 INFO kablam!    Compiling gdk v0.9.0
Sep 14 09:44:21.851 INFO kablam!    Compiling gtk v0.5.0
Sep 14 09:44:21.857 INFO kablam!     Checking rxrs v0.1.0-alpha3
Sep 14 09:44:21.857 INFO kablam!    Compiling glib-sys v0.7.0
Sep 14 09:44:24.467 INFO kablam!    Compiling gobject-sys v0.7.0
Sep 14 09:44:24.594 INFO kablam!    Compiling gio-sys v0.7.0
Sep 14 09:44:24.898 INFO kablam!    Compiling pango-sys v0.7.0
Sep 14 09:44:24.922 INFO kablam!    Compiling cairo-sys-rs v0.7.0
Sep 14 09:44:25.258 INFO kablam!    Compiling gdk-pixbuf-sys v0.7.0
Sep 14 09:44:25.339 INFO kablam!    Compiling gdk-sys v0.7.0
Sep 14 09:44:27.678 INFO kablam!    Compiling atk-sys v0.7.0
Sep 14 09:44:28.575 INFO kablam!    Compiling gtk-sys v0.7.0
Sep 14 09:44:30.983 INFO kablam! error[E0635]: unknown feature `nested_impl_trait`
Sep 14 09:44:30.983 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rxrs-0.1.0-alpha3/src/lib.rs:12:12
Sep 14 09:44:30.983 INFO kablam!    |
Sep 14 09:44:30.983 INFO kablam! 12 | #![feature(nested_impl_trait)]
Sep 14 09:44:30.983 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Sep 14 09:44:30.983 INFO kablam! 
Sep 14 09:44:31.053 INFO kablam! error: aborting due to previous error
Sep 14 09:44:31.053 INFO kablam! 
Sep 14 09:44:31.053 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 14 09:44:31.063 INFO kablam! error: Could not compile `rxrs`.
Sep 14 09:44:31.063 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 14 09:44:31.199 INFO kablam! error: build failed
Sep 14 09:44:31.203 INFO kablam! su: No module specific data is present
Sep 14 09:44:31.944 INFO running `"docker" "rm" "-f" "2e0ef2e73eba9d699245ce2ee87ae9133af3c4d390944ff3120545f93e6ba4a2"`
Sep 14 09:44:32.214 INFO blam! 2e0ef2e73eba9d699245ce2ee87ae9133af3c4d390944ff3120545f93e6ba4a2