Aug 11 02:56:23.493 INFO checking rx_gtk-0.1.1 against try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy for libc-1
Aug 11 02:56:23.493 INFO running: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 02:56:23.493 INFO creating container for: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 02:56:23.493 INFO running `"docker" "create" "-v" "/tmp/crater.TWVibeIPlf0h:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-6/try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 02:56:23.768 INFO blam! 82628f152cc723e0dedd11ff989f29cdc25f15e092db0fb6078908c698215ede
Aug 11 02:56:23.768 INFO running `"docker" "start" "-a" "82628f152cc723e0dedd11ff989f29cdc25f15e092db0fb6078908c698215ede"`
Aug 11 02:56:24.802 INFO kablam!    Compiling gio v0.4.1
Aug 11 02:56:24.804 INFO kablam!    Compiling gdk-pixbuf v0.4.0
Aug 11 02:56:24.807 INFO kablam!    Compiling gdk v0.8.0
Aug 11 02:56:24.810 INFO kablam!    Compiling gtk v0.4.1
Aug 11 02:56:24.812 INFO kablam!     Checking rxrs v0.1.0-alpha3
Aug 11 02:56:24.818 INFO kablam!    Compiling gio-sys v0.6.0
Aug 11 02:56:24.820 INFO kablam!    Compiling pango-sys v0.6.0
Aug 11 02:56:24.823 INFO kablam!    Compiling gdk-pixbuf-sys v0.6.0
Aug 11 02:56:29.189 INFO kablam!    Compiling gdk-sys v0.6.0
Aug 11 02:56:29.461 INFO kablam!    Compiling gtk-sys v0.6.0
Aug 11 02:56:35.905 INFO kablam!     Checking pango v0.4.0
Aug 11 02:56:38.459 INFO kablam! error[E0635]: unknown feature `nested_impl_trait`
Aug 11 02:56:38.459 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rxrs-0.1.0-alpha3/src/lib.rs:12:12
Aug 11 02:56:38.459 INFO kablam!    |
Aug 11 02:56:38.459 INFO kablam! 12 | #![feature(nested_impl_trait)]
Aug 11 02:56:38.459 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Aug 11 02:56:38.459 INFO kablam! 
Aug 11 02:56:38.610 INFO kablam! error: aborting due to previous error
Aug 11 02:56:38.610 INFO kablam! 
Aug 11 02:56:38.610 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 11 02:56:38.632 INFO kablam! error: Could not compile `rxrs`.
Aug 11 02:56:38.633 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 11 02:56:51.740 INFO kablam! error: build failed
Aug 11 02:56:51.745 INFO kablam! su: No module specific data is present
Aug 11 02:56:52.683 INFO running `"docker" "rm" "-f" "82628f152cc723e0dedd11ff989f29cdc25f15e092db0fb6078908c698215ede"`
Aug 11 02:56:52.870 INFO blam! 82628f152cc723e0dedd11ff989f29cdc25f15e092db0fb6078908c698215ede