Sep 01 00:45:21.356 INFO checking ia-0.1.2 against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578
Sep 01 00:45:21.356 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets
Sep 01 00:45:21.356 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-3/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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 +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 00:45:21.510 INFO blam! 126254a7dbe30d2b4590d0610963d4cee261c07ae973c5169d52e227e641d8ed
Sep 01 00:45:21.512 INFO running `"docker" "start" "-a" "126254a7dbe30d2b4590d0610963d4cee261c07ae973c5169d52e227e641d8ed"`
Sep 01 00:45:22.199 INFO kablam!     Checking ia v0.1.2 (file:///source)
Sep 01 00:45:22.850 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 00:45:22.850 INFO kablam!  --> src/executor.rs:7:51
Sep 01 00:45:22.850 INFO kablam!   |
Sep 01 00:45:22.850 INFO kablam! 7 |     fut: UnsafeCell<Box<Future<Item = (), Error = !> + 'static>>
Sep 01 00:45:22.850 INFO kablam!   |                                                   ^
Sep 01 00:45:22.850 INFO kablam!   |
Sep 01 00:45:22.850 INFO kablam!   = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 00:45:22.850 INFO kablam! 
Sep 01 00:45:22.851 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 00:45:22.851 INFO kablam!   --> src/executor.rs:11:47
Sep 01 00:45:22.851 INFO kablam!    |
Sep 01 00:45:22.851 INFO kablam! 11 |     fn new(fut: Box<Future<Item = (), Error = !> + 'static>) -> TaskInfo {
Sep 01 00:45:22.851 INFO kablam!    |                                               ^
Sep 01 00:45:22.852 INFO kablam!    |
Sep 01 00:45:22.852 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 00:45:22.852 INFO kablam! 
Sep 01 00:45:22.852 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 00:45:22.852 INFO kablam!   --> src/executor.rs:17:64
Sep 01 00:45:22.852 INFO kablam!    |
Sep 01 00:45:22.852 INFO kablam! 17 |     fn get_future(&self) -> &mut Box<Future<Item = (), Error = !> + 'static> {
Sep 01 00:45:22.852 INFO kablam!    |                                                                ^
Sep 01 00:45:22.852 INFO kablam!    |
Sep 01 00:45:22.852 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 00:45:22.852 INFO kablam! 
Sep 01 00:45:22.852 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 00:45:22.852 INFO kablam!   --> src/utils.rs:14:18
Sep 01 00:45:22.852 INFO kablam!    |
Sep 01 00:45:22.852 INFO kablam! 14 |     type Error = !;
Sep 01 00:45:22.852 INFO kablam!    |                  ^
Sep 01 00:45:22.852 INFO kablam!    |
Sep 01 00:45:22.852 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 00:45:22.852 INFO kablam! 
Sep 01 00:45:22.852 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 00:45:22.852 INFO kablam!   --> src/utils.rs:18:28
Sep 01 00:45:22.852 INFO kablam!    |
Sep 01 00:45:22.852 INFO kablam! 18 |     ) -> Result<Async<()>, !> {
Sep 01 00:45:22.852 INFO kablam!    |                            ^
Sep 01 00:45:22.852 INFO kablam!    |
Sep 01 00:45:22.852 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 00:45:22.852 INFO kablam! 
Sep 01 00:45:22.852 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 00:45:22.852 INFO kablam!   --> src/net.rs:18:18
Sep 01 00:45:22.852 INFO kablam!    |
Sep 01 00:45:22.852 INFO kablam! 18 |     type Error = !;
Sep 01 00:45:22.853 INFO kablam!    |                  ^
Sep 01 00:45:22.853 INFO kablam!    |
Sep 01 00:45:22.853 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 00:45:22.853 INFO kablam! 
Sep 01 00:45:22.853 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 00:45:22.853 INFO kablam!   --> src/net.rs:22:47
Sep 01 00:45:22.853 INFO kablam!    |
Sep 01 00:45:22.853 INFO kablam! 22 |     ) -> Result<Async<Option<TcpConnection>>, !> {
Sep 01 00:45:22.853 INFO kablam!    |                                               ^
Sep 01 00:45:22.853 INFO kablam!    |
Sep 01 00:45:22.853 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 00:45:22.853 INFO kablam! 
Sep 01 00:45:22.855 INFO kablam! error: aborting due to 7 previous errors
Sep 01 00:45:22.855 INFO kablam! 
Sep 01 00:45:22.855 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 01 00:45:22.859 INFO kablam! error: Could not compile `ia`.
Sep 01 00:45:22.859 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 01 00:45:22.863 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 00:45:22.863 INFO kablam!  --> src/executor.rs:7:51
Sep 01 00:45:22.863 INFO kablam!   |
Sep 01 00:45:22.863 INFO kablam! 7 |     fut: UnsafeCell<Box<Future<Item = (), Error = !> + 'static>>
Sep 01 00:45:22.863 INFO kablam!   |                                                   ^
Sep 01 00:45:22.863 INFO kablam!   |
Sep 01 00:45:22.864 INFO kablam!   = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 00:45:22.864 INFO kablam! 
Sep 01 00:45:22.864 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 00:45:22.864 INFO kablam!   --> src/executor.rs:11:47
Sep 01 00:45:22.864 INFO kablam!    |
Sep 01 00:45:22.864 INFO kablam! 11 |     fn new(fut: Box<Future<Item = (), Error = !> + 'static>) -> TaskInfo {
Sep 01 00:45:22.864 INFO kablam!    |                                               ^
Sep 01 00:45:22.864 INFO kablam!    |
Sep 01 00:45:22.864 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 00:45:22.864 INFO kablam! 
Sep 01 00:45:22.864 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 00:45:22.864 INFO kablam!   --> src/executor.rs:17:64
Sep 01 00:45:22.864 INFO kablam!    |
Sep 01 00:45:22.864 INFO kablam! 17 |     fn get_future(&self) -> &mut Box<Future<Item = (), Error = !> + 'static> {
Sep 01 00:45:22.864 INFO kablam!    |                                                                ^
Sep 01 00:45:22.864 INFO kablam!    |
Sep 01 00:45:22.864 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 00:45:22.864 INFO kablam! 
Sep 01 00:45:22.864 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 00:45:22.864 INFO kablam!   --> src/utils.rs:14:18
Sep 01 00:45:22.864 INFO kablam!    |
Sep 01 00:45:22.864 INFO kablam! 14 |     type Error = !;
Sep 01 00:45:22.864 INFO kablam!    |                  ^
Sep 01 00:45:22.864 INFO kablam!    |
Sep 01 00:45:22.864 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 00:45:22.864 INFO kablam! 
Sep 01 00:45:22.865 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 00:45:22.865 INFO kablam!   --> src/utils.rs:18:28
Sep 01 00:45:22.865 INFO kablam!    |
Sep 01 00:45:22.865 INFO kablam! 18 |     ) -> Result<Async<()>, !> {
Sep 01 00:45:22.865 INFO kablam!    |                            ^
Sep 01 00:45:22.865 INFO kablam!    |
Sep 01 00:45:22.865 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 00:45:22.865 INFO kablam! 
Sep 01 00:45:22.865 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 00:45:22.865 INFO kablam!   --> src/net.rs:18:18
Sep 01 00:45:22.865 INFO kablam!    |
Sep 01 00:45:22.865 INFO kablam! 18 |     type Error = !;
Sep 01 00:45:22.865 INFO kablam!    |                  ^
Sep 01 00:45:22.865 INFO kablam!    |
Sep 01 00:45:22.865 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 00:45:22.865 INFO kablam! 
Sep 01 00:45:22.865 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 00:45:22.865 INFO kablam!   --> src/net.rs:22:47
Sep 01 00:45:22.865 INFO kablam!    |
Sep 01 00:45:22.865 INFO kablam! 22 |     ) -> Result<Async<Option<TcpConnection>>, !> {
Sep 01 00:45:22.865 INFO kablam!    |                                               ^
Sep 01 00:45:22.865 INFO kablam!    |
Sep 01 00:45:22.866 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 00:45:22.866 INFO kablam! 
Sep 01 00:45:22.866 INFO kablam! error: aborting due to 7 previous errors
Sep 01 00:45:22.866 INFO kablam! 
Sep 01 00:45:22.866 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 01 00:45:22.872 INFO kablam! error: Could not compile `ia`.
Sep 01 00:45:22.872 INFO kablam! 
Sep 01 00:45:22.872 INFO kablam! To learn more, run the command again with --verbose.
Sep 01 00:45:22.874 INFO kablam! su: No module specific data is present
Sep 01 00:45:23.287 INFO running `"docker" "rm" "-f" "126254a7dbe30d2b4590d0610963d4cee261c07ae973c5169d52e227e641d8ed"`
Sep 01 00:45:23.406 INFO blam! 126254a7dbe30d2b4590d0610963d4cee261c07ae973c5169d52e227e641d8ed