Aug 17 19:47:05.497 INFO checking ia-0.1.2 against master#142bb27373126edf8367f526358b6c72ecf1d8df for pr-53426
Aug 17 19:47:05.498 INFO running: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 19:47:05.498 INFO creating container for: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 19:47:05.498 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53426/master#142bb27373126edf8367f526358b6c72ecf1d8df:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-3/master#142bb27373126edf8367f526358b6c72ecf1d8df:/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 +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 17 19:47:05.749 INFO blam! 24e000d8a27c14e3804c711041d05064a2c9a142be083aaba9b250a0a21adbea
Aug 17 19:47:05.754 INFO running `"docker" "start" "-a" "24e000d8a27c14e3804c711041d05064a2c9a142be083aaba9b250a0a21adbea"`
Aug 17 19:47:06.777 INFO kablam!     Checking ia v0.1.2 (file:///source)
Aug 17 19:47:07.305 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Aug 17 19:47:07.306 INFO kablam!  --> src/executor.rs:7:51
Aug 17 19:47:07.306 INFO kablam!   |
Aug 17 19:47:07.306 INFO kablam! 7 |     fut: UnsafeCell<Box<Future<Item = (), Error = !> + 'static>>
Aug 17 19:47:07.306 INFO kablam!   |                                                   ^
Aug 17 19:47:07.306 INFO kablam!   |
Aug 17 19:47:07.307 INFO kablam!   = help: add #![feature(never_type)] to the crate attributes to enable
Aug 17 19:47:07.307 INFO kablam! 
Aug 17 19:47:07.307 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Aug 17 19:47:07.307 INFO kablam!   --> src/executor.rs:11:47
Aug 17 19:47:07.307 INFO kablam!    |
Aug 17 19:47:07.307 INFO kablam! 11 |     fn new(fut: Box<Future<Item = (), Error = !> + 'static>) -> TaskInfo {
Aug 17 19:47:07.307 INFO kablam!    |                                               ^
Aug 17 19:47:07.307 INFO kablam!    |
Aug 17 19:47:07.307 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Aug 17 19:47:07.307 INFO kablam! 
Aug 17 19:47:07.308 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Aug 17 19:47:07.308 INFO kablam!   --> src/executor.rs:17:64
Aug 17 19:47:07.308 INFO kablam!    |
Aug 17 19:47:07.309 INFO kablam! 17 |     fn get_future(&self) -> &mut Box<Future<Item = (), Error = !> + 'static> {
Aug 17 19:47:07.309 INFO kablam!    |                                                                ^
Aug 17 19:47:07.309 INFO kablam!    |
Aug 17 19:47:07.309 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Aug 17 19:47:07.309 INFO kablam! 
Aug 17 19:47:07.309 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Aug 17 19:47:07.309 INFO kablam!   --> src/utils.rs:14:18
Aug 17 19:47:07.309 INFO kablam!    |
Aug 17 19:47:07.309 INFO kablam! 14 |     type Error = !;
Aug 17 19:47:07.309 INFO kablam!    |                  ^
Aug 17 19:47:07.309 INFO kablam!    |
Aug 17 19:47:07.309 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Aug 17 19:47:07.309 INFO kablam! 
Aug 17 19:47:07.309 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Aug 17 19:47:07.309 INFO kablam!   --> src/utils.rs:18:28
Aug 17 19:47:07.309 INFO kablam!    |
Aug 17 19:47:07.309 INFO kablam! 18 |     ) -> Result<Async<()>, !> {
Aug 17 19:47:07.309 INFO kablam!    |                            ^
Aug 17 19:47:07.309 INFO kablam!    |
Aug 17 19:47:07.309 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Aug 17 19:47:07.309 INFO kablam! 
Aug 17 19:47:07.309 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Aug 17 19:47:07.309 INFO kablam!   --> src/net.rs:18:18
Aug 17 19:47:07.309 INFO kablam!    |
Aug 17 19:47:07.309 INFO kablam! 18 |     type Error = !;
Aug 17 19:47:07.309 INFO kablam!    |                  ^
Aug 17 19:47:07.309 INFO kablam!    |
Aug 17 19:47:07.310 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Aug 17 19:47:07.310 INFO kablam! 
Aug 17 19:47:07.310 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Aug 17 19:47:07.310 INFO kablam!   --> src/net.rs:22:47
Aug 17 19:47:07.310 INFO kablam!    |
Aug 17 19:47:07.310 INFO kablam! 22 |     ) -> Result<Async<Option<TcpConnection>>, !> {
Aug 17 19:47:07.310 INFO kablam!    |                                               ^
Aug 17 19:47:07.310 INFO kablam!    |
Aug 17 19:47:07.310 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Aug 17 19:47:07.310 INFO kablam! 
Aug 17 19:47:07.312 INFO kablam! error: aborting due to 7 previous errors
Aug 17 19:47:07.312 INFO kablam! 
Aug 17 19:47:07.312 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 17 19:47:07.324 INFO kablam! error: Could not compile `ia`.
Aug 17 19:47:07.326 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 17 19:47:07.393 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Aug 17 19:47:07.393 INFO kablam!  --> src/executor.rs:7:51
Aug 17 19:47:07.393 INFO kablam!   |
Aug 17 19:47:07.393 INFO kablam! 7 |     fut: UnsafeCell<Box<Future<Item = (), Error = !> + 'static>>
Aug 17 19:47:07.393 INFO kablam!   |                                                   ^
Aug 17 19:47:07.393 INFO kablam!   |
Aug 17 19:47:07.394 INFO kablam!   = help: add #![feature(never_type)] to the crate attributes to enable
Aug 17 19:47:07.394 INFO kablam! 
Aug 17 19:47:07.394 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Aug 17 19:47:07.394 INFO kablam!   --> src/executor.rs:11:47
Aug 17 19:47:07.394 INFO kablam!    |
Aug 17 19:47:07.395 INFO kablam! 11 |     fn new(fut: Box<Future<Item = (), Error = !> + 'static>) -> TaskInfo {
Aug 17 19:47:07.395 INFO kablam!    |                                               ^
Aug 17 19:47:07.397 INFO kablam!    |
Aug 17 19:47:07.397 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Aug 17 19:47:07.397 INFO kablam! 
Aug 17 19:47:07.398 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Aug 17 19:47:07.398 INFO kablam!   --> src/executor.rs:17:64
Aug 17 19:47:07.398 INFO kablam!    |
Aug 17 19:47:07.398 INFO kablam! 17 |     fn get_future(&self) -> &mut Box<Future<Item = (), Error = !> + 'static> {
Aug 17 19:47:07.398 INFO kablam!    |                                                                ^
Aug 17 19:47:07.398 INFO kablam!    |
Aug 17 19:47:07.398 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Aug 17 19:47:07.421 INFO kablam! 
Aug 17 19:47:07.421 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Aug 17 19:47:07.421 INFO kablam!   --> src/utils.rs:14:18
Aug 17 19:47:07.421 INFO kablam!    |
Aug 17 19:47:07.421 INFO kablam! 14 |     type Error = !;
Aug 17 19:47:07.421 INFO kablam!    |                  ^
Aug 17 19:47:07.421 INFO kablam!    |
Aug 17 19:47:07.421 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Aug 17 19:47:07.421 INFO kablam! 
Aug 17 19:47:07.421 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Aug 17 19:47:07.421 INFO kablam!   --> src/utils.rs:18:28
Aug 17 19:47:07.421 INFO kablam!    |
Aug 17 19:47:07.421 INFO kablam! 18 |     ) -> Result<Async<()>, !> {
Aug 17 19:47:07.421 INFO kablam!    |                            ^
Aug 17 19:47:07.421 INFO kablam!    |
Aug 17 19:47:07.421 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Aug 17 19:47:07.421 INFO kablam! 
Aug 17 19:47:07.421 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Aug 17 19:47:07.421 INFO kablam!   --> src/net.rs:18:18
Aug 17 19:47:07.421 INFO kablam!    |
Aug 17 19:47:07.421 INFO kablam! 18 |     type Error = !;
Aug 17 19:47:07.421 INFO kablam!    |                  ^
Aug 17 19:47:07.421 INFO kablam!    |
Aug 17 19:47:07.421 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Aug 17 19:47:07.421 INFO kablam! 
Aug 17 19:47:07.421 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Aug 17 19:47:07.421 INFO kablam!   --> src/net.rs:22:47
Aug 17 19:47:07.421 INFO kablam!    |
Aug 17 19:47:07.421 INFO kablam! 22 |     ) -> Result<Async<Option<TcpConnection>>, !> {
Aug 17 19:47:07.421 INFO kablam!    |                                               ^
Aug 17 19:47:07.421 INFO kablam!    |
Aug 17 19:47:07.421 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Aug 17 19:47:07.421 INFO kablam! 
Aug 17 19:47:07.421 INFO kablam! error: aborting due to 7 previous errors
Aug 17 19:47:07.422 INFO kablam! 
Aug 17 19:47:07.422 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 17 19:47:07.435 INFO kablam! error: Could not compile `ia`.
Aug 17 19:47:07.435 INFO kablam! 
Aug 17 19:47:07.435 INFO kablam! To learn more, run the command again with --verbose.
Aug 17 19:47:07.435 INFO kablam! su: No module specific data is present
Aug 17 19:47:07.959 INFO running `"docker" "rm" "-f" "24e000d8a27c14e3804c711041d05064a2c9a142be083aaba9b250a0a21adbea"`
Aug 17 19:47:08.124 INFO blam! 24e000d8a27c14e3804c711041d05064a2c9a142be083aaba9b250a0a21adbea