Aug 17 11:23:44.709 INFO checking rx_gtk-0.1.1 against master#142bb27373126edf8367f526358b6c72ecf1d8df for pr-53426
Aug 17 11:23:44.709 INFO running: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 11:23:44.710 INFO creating container for: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 11:23:44.710 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53426/master#142bb27373126edf8367f526358b6c72ecf1d8df:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-0/master#142bb27373126edf8367f526358b6c72ecf1d8df:/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 +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 17 11:23:45.019 INFO blam! a90e5ef6e62749d26bfc30708e1087dfc07ac82b2974ea0e475c8cea9a370176
Aug 17 11:23:45.021 INFO running `"docker" "start" "-a" "a90e5ef6e62749d26bfc30708e1087dfc07ac82b2974ea0e475c8cea9a370176"`
Aug 17 11:23:46.332 INFO kablam!    Compiling gio v0.4.1
Aug 17 11:23:46.332 INFO kablam!    Compiling cairo-rs v0.4.1
Aug 17 11:23:46.332 INFO kablam!    Compiling gdk-pixbuf v0.4.0
Aug 17 11:23:46.333 INFO kablam!    Compiling gdk v0.8.0
Aug 17 11:23:46.343 INFO kablam!    Compiling gtk v0.4.1
Aug 17 11:23:46.343 INFO kablam!     Checking rxrs v0.1.0-alpha3
Aug 17 11:23:46.346 INFO kablam!    Compiling gio-sys v0.6.0
Aug 17 11:23:46.347 INFO kablam!    Compiling gdk-pixbuf-sys v0.6.0
Aug 17 11:23:50.571 INFO kablam!    Compiling cairo-sys-rs v0.6.0
Aug 17 11:23:51.466 INFO kablam!    Compiling pango-sys v0.6.0
Aug 17 11:23:51.481 INFO kablam!    Compiling gdk-sys v0.6.0
Aug 17 11:23:53.026 INFO kablam!    Compiling gtk-sys v0.6.0
Aug 17 11:23:53.040 INFO kablam!     Checking gobject-sys v0.6.0
Aug 17 11:24:01.958 INFO kablam! error[E0635]: unknown feature `nested_impl_trait`
Aug 17 11:24:01.958 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rxrs-0.1.0-alpha3/src/lib.rs:12:12
Aug 17 11:24:01.958 INFO kablam!    |
Aug 17 11:24:01.958 INFO kablam! 12 | #![feature(nested_impl_trait)]
Aug 17 11:24:01.958 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Aug 17 11:24:01.970 INFO kablam! 
Aug 17 11:24:02.159 INFO kablam! error: aborting due to previous error
Aug 17 11:24:02.159 INFO kablam! 
Aug 17 11:24:02.159 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 17 11:24:02.176 INFO kablam! error: Could not compile `rxrs`.
Aug 17 11:24:02.176 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 17 11:24:02.849 INFO kablam! error: build failed
Aug 17 11:24:02.852 INFO kablam! su: No module specific data is present
Aug 17 11:24:03.328 INFO running `"docker" "rm" "-f" "a90e5ef6e62749d26bfc30708e1087dfc07ac82b2974ea0e475c8cea9a370176"`
Aug 17 11:24:03.488 INFO blam! a90e5ef6e62749d26bfc30708e1087dfc07ac82b2974ea0e475c8cea9a370176