Sep 01 07:43:51.950 INFO checking rx_gtk-0.1.1 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 07:43:51.950 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 07:43:51.950 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-3/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 07:43:52.138 INFO blam! b350b1131a1a1815a998ef852ed8d1143f2d7d1be7c849a353e37ecebc09bebc
Sep 01 07:43:52.140 INFO running `"docker" "start" "-a" "b350b1131a1a1815a998ef852ed8d1143f2d7d1be7c849a353e37ecebc09bebc"`
Sep 01 07:43:52.891 INFO kablam!    Compiling gio v0.4.1
Sep 01 07:43:52.896 INFO kablam!    Compiling cairo-rs v0.4.1
Sep 01 07:43:52.897 INFO kablam!    Compiling gdk-pixbuf v0.4.0
Sep 01 07:43:52.898 INFO kablam!    Compiling gdk v0.8.0
Sep 01 07:43:52.898 INFO kablam!    Compiling gtk v0.4.1
Sep 01 07:43:52.898 INFO kablam!     Checking rxrs v0.1.0-alpha3
Sep 01 07:43:52.900 INFO kablam!    Compiling gio-sys v0.6.0
Sep 01 07:43:52.900 INFO kablam!    Compiling pango-sys v0.6.0
Sep 01 07:43:54.610 INFO kablam!    Compiling gdk-pixbuf-sys v0.6.0
Sep 01 07:43:54.930 INFO kablam!    Compiling cairo-sys-rs v0.6.0
Sep 01 07:43:55.473 INFO kablam!    Compiling gdk-sys v0.6.0
Sep 01 07:43:55.582 INFO kablam!    Compiling gtk-sys v0.6.0
Sep 01 07:44:00.953 INFO kablam!     Checking pango v0.4.0
Sep 01 07:44:01.044 INFO kablam! error[E0635]: unknown feature `nested_impl_trait`
Sep 01 07:44:01.044 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rxrs-0.1.0-alpha3/src/lib.rs:12:12
Sep 01 07:44:01.044 INFO kablam!    |
Sep 01 07:44:01.044 INFO kablam! 12 | #![feature(nested_impl_trait)]
Sep 01 07:44:01.044 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Sep 01 07:44:01.044 INFO kablam! 
Sep 01 07:44:01.260 INFO kablam! error: aborting due to previous error
Sep 01 07:44:01.260 INFO kablam! 
Sep 01 07:44:01.260 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 01 07:44:01.281 INFO kablam! error: Could not compile `rxrs`.
Sep 01 07:44:01.281 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 01 07:44:08.263 INFO kablam! error: build failed
Sep 01 07:44:08.265 INFO kablam! su: No module specific data is present
Sep 01 07:44:08.717 INFO running `"docker" "rm" "-f" "b350b1131a1a1815a998ef852ed8d1143f2d7d1be7c849a353e37ecebc09bebc"`
Sep 01 07:44:08.801 INFO blam! b350b1131a1a1815a998ef852ed8d1143f2d7d1be7c849a353e37ecebc09bebc