Jul 12 06:47:38.014 INFO checking ia-0.1.2 against master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9 for pr-52234
Jul 12 06:47:38.014 INFO running: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 06:47:38.014 INFO creating container for: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 06:47:38.014 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-52234/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-4/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/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 +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 06:47:38.155 INFO blam! 7dbde7e4b8bcc3e4ff85aab48545f835607219216f3ffbf832146c7b3a3c49d6
Jul 12 06:47:38.157 INFO running `"docker" "start" "-a" "7dbde7e4b8bcc3e4ff85aab48545f835607219216f3ffbf832146c7b3a3c49d6"`
Jul 12 06:47:39.021 INFO kablam!     Checking ia v0.1.2 (file:///source)
Jul 12 06:47:39.378 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Jul 12 06:47:39.378 INFO kablam!  --> src/executor.rs:7:51
Jul 12 06:47:39.378 INFO kablam!   |
Jul 12 06:47:39.378 INFO kablam! 7 |     fut: UnsafeCell<Box<Future<Item = (), Error = !> + 'static>>
Jul 12 06:47:39.378 INFO kablam!   |                                                   ^
Jul 12 06:47:39.379 INFO kablam!   |
Jul 12 06:47:39.379 INFO kablam!   = help: add #![feature(never_type)] to the crate attributes to enable
Jul 12 06:47:39.379 INFO kablam! 
Jul 12 06:47:39.379 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Jul 12 06:47:39.379 INFO kablam!   --> src/executor.rs:11:47
Jul 12 06:47:39.379 INFO kablam!    |
Jul 12 06:47:39.379 INFO kablam! 11 |     fn new(fut: Box<Future<Item = (), Error = !> + 'static>) -> TaskInfo {
Jul 12 06:47:39.379 INFO kablam!    |                                               ^
Jul 12 06:47:39.379 INFO kablam!    |
Jul 12 06:47:39.379 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Jul 12 06:47:39.379 INFO kablam! 
Jul 12 06:47:39.379 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Jul 12 06:47:39.379 INFO kablam!   --> src/executor.rs:17:64
Jul 12 06:47:39.379 INFO kablam!    |
Jul 12 06:47:39.379 INFO kablam! 17 |     fn get_future(&self) -> &mut Box<Future<Item = (), Error = !> + 'static> {
Jul 12 06:47:39.379 INFO kablam!    |                                                                ^
Jul 12 06:47:39.379 INFO kablam!    |
Jul 12 06:47:39.379 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Jul 12 06:47:39.379 INFO kablam! 
Jul 12 06:47:39.379 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Jul 12 06:47:39.379 INFO kablam!   --> src/utils.rs:14:18
Jul 12 06:47:39.379 INFO kablam!    |
Jul 12 06:47:39.379 INFO kablam! 14 |     type Error = !;
Jul 12 06:47:39.379 INFO kablam!    |                  ^
Jul 12 06:47:39.379 INFO kablam!    |
Jul 12 06:47:39.379 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Jul 12 06:47:39.379 INFO kablam! 
Jul 12 06:47:39.379 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Jul 12 06:47:39.380 INFO kablam!   --> src/utils.rs:18:28
Jul 12 06:47:39.380 INFO kablam!    |
Jul 12 06:47:39.380 INFO kablam! 18 |     ) -> Result<Async<()>, !> {
Jul 12 06:47:39.380 INFO kablam!    |                            ^
Jul 12 06:47:39.380 INFO kablam!    |
Jul 12 06:47:39.380 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Jul 12 06:47:39.380 INFO kablam! 
Jul 12 06:47:39.380 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Jul 12 06:47:39.380 INFO kablam!   --> src/net.rs:18:18
Jul 12 06:47:39.380 INFO kablam!    |
Jul 12 06:47:39.380 INFO kablam! 18 |     type Error = !;
Jul 12 06:47:39.380 INFO kablam!    |                  ^
Jul 12 06:47:39.380 INFO kablam!    |
Jul 12 06:47:39.380 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Jul 12 06:47:39.380 INFO kablam! 
Jul 12 06:47:39.380 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Jul 12 06:47:39.380 INFO kablam!   --> src/net.rs:22:47
Jul 12 06:47:39.380 INFO kablam!    |
Jul 12 06:47:39.380 INFO kablam! 22 |     ) -> Result<Async<Option<TcpConnection>>, !> {
Jul 12 06:47:39.380 INFO kablam!    |                                               ^
Jul 12 06:47:39.380 INFO kablam!    |
Jul 12 06:47:39.380 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Jul 12 06:47:39.380 INFO kablam! 
Jul 12 06:47:39.382 INFO kablam! error: aborting due to 7 previous errors
Jul 12 06:47:39.382 INFO kablam! 
Jul 12 06:47:39.382 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Jul 12 06:47:39.390 INFO kablam! error: Could not compile `ia`.
Jul 12 06:47:39.391 INFO kablam! warning: build failed, waiting for other jobs to finish...
Jul 12 06:47:39.439 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Jul 12 06:47:39.439 INFO kablam!  --> src/executor.rs:7:51
Jul 12 06:47:39.439 INFO kablam!   |
Jul 12 06:47:39.439 INFO kablam! 7 |     fut: UnsafeCell<Box<Future<Item = (), Error = !> + 'static>>
Jul 12 06:47:39.439 INFO kablam!   |                                                   ^
Jul 12 06:47:39.439 INFO kablam!   |
Jul 12 06:47:39.439 INFO kablam!   = help: add #![feature(never_type)] to the crate attributes to enable
Jul 12 06:47:39.439 INFO kablam! 
Jul 12 06:47:39.439 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Jul 12 06:47:39.439 INFO kablam!   --> src/executor.rs:11:47
Jul 12 06:47:39.439 INFO kablam!    |
Jul 12 06:47:39.439 INFO kablam! 11 |     fn new(fut: Box<Future<Item = (), Error = !> + 'static>) -> TaskInfo {
Jul 12 06:47:39.439 INFO kablam!    |                                               ^
Jul 12 06:47:39.439 INFO kablam!    |
Jul 12 06:47:39.439 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Jul 12 06:47:39.440 INFO kablam! 
Jul 12 06:47:39.440 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Jul 12 06:47:39.440 INFO kablam!   --> src/executor.rs:17:64
Jul 12 06:47:39.440 INFO kablam!    |
Jul 12 06:47:39.440 INFO kablam! 17 |     fn get_future(&self) -> &mut Box<Future<Item = (), Error = !> + 'static> {
Jul 12 06:47:39.440 INFO kablam!    |                                                                ^
Jul 12 06:47:39.440 INFO kablam!    |
Jul 12 06:47:39.440 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Jul 12 06:47:39.440 INFO kablam! 
Jul 12 06:47:39.440 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Jul 12 06:47:39.440 INFO kablam!   --> src/utils.rs:14:18
Jul 12 06:47:39.440 INFO kablam!    |
Jul 12 06:47:39.440 INFO kablam! 14 |     type Error = !;
Jul 12 06:47:39.440 INFO kablam!    |                  ^
Jul 12 06:47:39.440 INFO kablam!    |
Jul 12 06:47:39.440 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Jul 12 06:47:39.440 INFO kablam! 
Jul 12 06:47:39.440 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Jul 12 06:47:39.440 INFO kablam!   --> src/utils.rs:18:28
Jul 12 06:47:39.440 INFO kablam!    |
Jul 12 06:47:39.440 INFO kablam! 18 |     ) -> Result<Async<()>, !> {
Jul 12 06:47:39.440 INFO kablam!    |                            ^
Jul 12 06:47:39.440 INFO kablam!    |
Jul 12 06:47:39.440 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Jul 12 06:47:39.440 INFO kablam! 
Jul 12 06:47:39.440 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Jul 12 06:47:39.440 INFO kablam!   --> src/net.rs:18:18
Jul 12 06:47:39.440 INFO kablam!    |
Jul 12 06:47:39.441 INFO kablam! 18 |     type Error = !;
Jul 12 06:47:39.441 INFO kablam!    |                  ^
Jul 12 06:47:39.441 INFO kablam!    |
Jul 12 06:47:39.441 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Jul 12 06:47:39.441 INFO kablam! 
Jul 12 06:47:39.441 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Jul 12 06:47:39.441 INFO kablam!   --> src/net.rs:22:47
Jul 12 06:47:39.441 INFO kablam!    |
Jul 12 06:47:39.441 INFO kablam! 22 |     ) -> Result<Async<Option<TcpConnection>>, !> {
Jul 12 06:47:39.441 INFO kablam!    |                                               ^
Jul 12 06:47:39.441 INFO kablam!    |
Jul 12 06:47:39.441 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Jul 12 06:47:39.441 INFO kablam! 
Jul 12 06:47:39.443 INFO kablam! error: aborting due to 7 previous errors
Jul 12 06:47:39.443 INFO kablam! 
Jul 12 06:47:39.443 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Jul 12 06:47:39.450 INFO kablam! error: Could not compile `ia`.
Jul 12 06:47:39.450 INFO kablam! 
Jul 12 06:47:39.450 INFO kablam! To learn more, run the command again with --verbose.
Jul 12 06:47:39.453 INFO kablam! su: No module specific data is present
Jul 12 06:47:39.970 INFO running `"docker" "rm" "-f" "7dbde7e4b8bcc3e4ff85aab48545f835607219216f3ffbf832146c7b3a3c49d6"`
Jul 12 06:47:40.118 INFO blam! 7dbde7e4b8bcc3e4ff85aab48545f835607219216f3ffbf832146c7b3a3c49d6