Sep 19 18:55:06.650 INFO checking rx_gtk-0.1.1 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 18:55:06.650 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 18:55:06.650 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-3/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 18:55:07.037 INFO blam! d422c4fc9d4f8e7918c63d3003e7f4992840911098d5b0221a6a4b6619a2a98d
Sep 19 18:55:07.039 INFO running `"docker" "start" "-a" "d422c4fc9d4f8e7918c63d3003e7f4992840911098d5b0221a6a4b6619a2a98d"`
Sep 19 18:55:08.398 INFO kablam! usermod: no changes
Sep 19 18:55:08.587 INFO kablam!    Compiling gio v0.5.0
Sep 19 18:55:08.595 INFO kablam!    Compiling gdk-pixbuf v0.5.0
Sep 19 18:55:08.599 INFO kablam!    Compiling cairo-rs v0.5.0
Sep 19 18:55:08.600 INFO kablam!    Compiling gdk v0.9.0
Sep 19 18:55:08.600 INFO kablam!    Compiling gtk v0.5.0
Sep 19 18:55:08.600 INFO kablam!     Checking rxrs v0.1.0-alpha3
Sep 19 18:55:08.600 INFO kablam!    Compiling glib-sys v0.7.0
Sep 19 18:55:08.600 INFO kablam!    Compiling gobject-sys v0.7.0
Sep 19 18:55:11.041 INFO kablam!    Compiling gio-sys v0.7.0
Sep 19 18:55:11.543 INFO kablam!    Compiling pango-sys v0.7.0
Sep 19 18:55:11.899 INFO kablam!    Compiling cairo-sys-rs v0.7.0
Sep 19 18:55:12.853 INFO kablam!    Compiling gdk-pixbuf-sys v0.7.0
Sep 19 18:55:13.353 INFO kablam!    Compiling gdk-sys v0.7.0
Sep 19 18:55:13.359 INFO kablam!    Compiling atk-sys v0.7.0
Sep 19 18:55:13.359 INFO kablam!    Compiling gtk-sys v0.7.0
Sep 19 18:55:17.191 INFO kablam! error[E0635]: unknown feature `nested_impl_trait`
Sep 19 18:55:17.191 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rxrs-0.1.0-alpha3/src/lib.rs:12:12
Sep 19 18:55:17.191 INFO kablam!    |
Sep 19 18:55:17.191 INFO kablam! 12 | #![feature(nested_impl_trait)]
Sep 19 18:55:17.191 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Sep 19 18:55:17.191 INFO kablam! 
Sep 19 18:55:17.355 INFO kablam! error: aborting due to previous error
Sep 19 18:55:17.355 INFO kablam! 
Sep 19 18:55:17.355 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 19 18:55:17.387 INFO kablam! error: Could not compile `rxrs`.
Sep 19 18:55:17.387 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 19 18:55:17.803 INFO kablam! error: build failed
Sep 19 18:55:17.806 INFO kablam! su: No module specific data is present
Sep 19 18:55:18.547 INFO running `"docker" "rm" "-f" "d422c4fc9d4f8e7918c63d3003e7f4992840911098d5b0221a6a4b6619a2a98d"`
Sep 19 18:55:18.827 INFO blam! d422c4fc9d4f8e7918c63d3003e7f4992840911098d5b0221a6a4b6619a2a98d