Sep 17 17:58:27.176 INFO checking rx_gtk-0.1.1 against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 17 17:58:27.176 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 17 17:58:27.176 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-5/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/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 +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 17:58:27.647 INFO blam! d168b98b1d180565fc90c285e5349146b3de70721eac68ab9e115fe07ed036ac
Sep 17 17:58:27.649 INFO running `"docker" "start" "-a" "d168b98b1d180565fc90c285e5349146b3de70721eac68ab9e115fe07ed036ac"`
Sep 17 17:58:28.907 INFO kablam! usermod: no changes
Sep 17 17:58:29.092 INFO kablam!    Compiling gio v0.5.0
Sep 17 17:58:29.092 INFO kablam!     Checking fragile v0.3.0
Sep 17 17:58:29.092 INFO kablam!    Compiling cairo-rs v0.5.0
Sep 17 17:58:29.092 INFO kablam!    Compiling gdk-pixbuf v0.5.0
Sep 17 17:58:29.093 INFO kablam!    Compiling gdk v0.9.0
Sep 17 17:58:29.097 INFO kablam!    Compiling gtk v0.5.0
Sep 17 17:58:29.097 INFO kablam!     Checking rxrs v0.1.0-alpha3
Sep 17 17:58:29.097 INFO kablam!    Compiling glib-sys v0.7.0
Sep 17 17:58:32.196 INFO kablam!    Compiling gobject-sys v0.7.0
Sep 17 17:58:32.566 INFO kablam!    Compiling gio-sys v0.7.0
Sep 17 17:58:32.570 INFO kablam!    Compiling gdk-pixbuf-sys v0.7.0
Sep 17 17:58:32.570 INFO kablam!    Compiling pango-sys v0.7.0
Sep 17 17:58:33.198 INFO kablam!    Compiling cairo-sys-rs v0.7.0
Sep 17 17:58:33.322 INFO kablam!    Compiling atk-sys v0.7.0
Sep 17 17:58:34.995 INFO kablam!    Compiling gdk-sys v0.7.0
Sep 17 17:58:35.585 INFO kablam!    Compiling gtk-sys v0.7.0
Sep 17 17:58:36.955 INFO kablam! error[E0635]: unknown feature `nested_impl_trait`
Sep 17 17:58:36.955 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rxrs-0.1.0-alpha3/src/lib.rs:12:12
Sep 17 17:58:36.955 INFO kablam!    |
Sep 17 17:58:36.955 INFO kablam! 12 | #![feature(nested_impl_trait)]
Sep 17 17:58:36.955 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Sep 17 17:58:36.955 INFO kablam! 
Sep 17 17:58:37.015 INFO kablam! error: aborting due to previous error
Sep 17 17:58:37.015 INFO kablam! 
Sep 17 17:58:37.015 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 17 17:58:37.028 INFO kablam! error: Could not compile `rxrs`.
Sep 17 17:58:37.028 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 17 17:58:37.473 INFO kablam! error: build failed
Sep 17 17:58:37.473 INFO kablam! su: No module specific data is present
Sep 17 17:58:37.987 INFO running `"docker" "rm" "-f" "d168b98b1d180565fc90c285e5349146b3de70721eac68ab9e115fe07ed036ac"`
Sep 17 17:58:38.107 INFO blam! d168b98b1d180565fc90c285e5349146b3de70721eac68ab9e115fe07ed036ac