Sep 01 17:15:06.085 INFO checking ia-0.1.2 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 17:15:06.085 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 17:15:06.085 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-3/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 17:15:06.234 INFO blam! cc9c758a059d34863def5463d5fb3b7e11ec21a5f163076e16b516431ec33de9
Sep 01 17:15:06.237 INFO running `"docker" "start" "-a" "cc9c758a059d34863def5463d5fb3b7e11ec21a5f163076e16b516431ec33de9"`
Sep 01 17:15:06.982 INFO kablam!     Checking ia v0.1.2 (file:///source)
Sep 01 17:15:07.609 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 17:15:07.609 INFO kablam!  --> src/executor.rs:7:51
Sep 01 17:15:07.609 INFO kablam!   |
Sep 01 17:15:07.609 INFO kablam! 7 |     fut: UnsafeCell<Box<Future<Item = (), Error = !> + 'static>>
Sep 01 17:15:07.609 INFO kablam!   |                                                   ^
Sep 01 17:15:07.609 INFO kablam!   |
Sep 01 17:15:07.609 INFO kablam!   = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 17:15:07.609 INFO kablam! 
Sep 01 17:15:07.609 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 17:15:07.609 INFO kablam!   --> src/executor.rs:11:47
Sep 01 17:15:07.609 INFO kablam!    |
Sep 01 17:15:07.609 INFO kablam! 11 |     fn new(fut: Box<Future<Item = (), Error = !> + 'static>) -> TaskInfo {
Sep 01 17:15:07.609 INFO kablam!    |                                               ^
Sep 01 17:15:07.610 INFO kablam!    |
Sep 01 17:15:07.610 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 17:15:07.610 INFO kablam! 
Sep 01 17:15:07.610 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 17:15:07.610 INFO kablam!   --> src/executor.rs:17:64
Sep 01 17:15:07.610 INFO kablam!    |
Sep 01 17:15:07.610 INFO kablam! 17 |     fn get_future(&self) -> &mut Box<Future<Item = (), Error = !> + 'static> {
Sep 01 17:15:07.610 INFO kablam!    |                                                                ^
Sep 01 17:15:07.610 INFO kablam!    |
Sep 01 17:15:07.610 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 17:15:07.610 INFO kablam! 
Sep 01 17:15:07.610 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 17:15:07.610 INFO kablam!   --> src/utils.rs:14:18
Sep 01 17:15:07.610 INFO kablam!    |
Sep 01 17:15:07.610 INFO kablam! 14 |     type Error = !;
Sep 01 17:15:07.610 INFO kablam!    |                  ^
Sep 01 17:15:07.611 INFO kablam!    |
Sep 01 17:15:07.611 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 17:15:07.611 INFO kablam! 
Sep 01 17:15:07.611 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 17:15:07.611 INFO kablam!   --> src/utils.rs:18:28
Sep 01 17:15:07.611 INFO kablam!    |
Sep 01 17:15:07.611 INFO kablam! 18 |     ) -> Result<Async<()>, !> {
Sep 01 17:15:07.611 INFO kablam!    |                            ^
Sep 01 17:15:07.611 INFO kablam!    |
Sep 01 17:15:07.611 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 17:15:07.611 INFO kablam! 
Sep 01 17:15:07.611 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 17:15:07.611 INFO kablam!   --> src/net.rs:18:18
Sep 01 17:15:07.611 INFO kablam!    |
Sep 01 17:15:07.611 INFO kablam! 18 |     type Error = !;
Sep 01 17:15:07.611 INFO kablam!    |                  ^
Sep 01 17:15:07.611 INFO kablam!    |
Sep 01 17:15:07.611 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 17:15:07.611 INFO kablam! 
Sep 01 17:15:07.611 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 17:15:07.611 INFO kablam!   --> src/net.rs:22:47
Sep 01 17:15:07.611 INFO kablam!    |
Sep 01 17:15:07.611 INFO kablam! 22 |     ) -> Result<Async<Option<TcpConnection>>, !> {
Sep 01 17:15:07.611 INFO kablam!    |                                               ^
Sep 01 17:15:07.611 INFO kablam!    |
Sep 01 17:15:07.611 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 17:15:07.611 INFO kablam! 
Sep 01 17:15:07.613 INFO kablam! error: aborting due to 7 previous errors
Sep 01 17:15:07.613 INFO kablam! 
Sep 01 17:15:07.613 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 01 17:15:07.618 INFO kablam! error: Could not compile `ia`.
Sep 01 17:15:07.618 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 01 17:15:07.704 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 17:15:07.704 INFO kablam!  --> src/executor.rs:7:51
Sep 01 17:15:07.704 INFO kablam!   |
Sep 01 17:15:07.704 INFO kablam! 7 |     fut: UnsafeCell<Box<Future<Item = (), Error = !> + 'static>>
Sep 01 17:15:07.705 INFO kablam!   |                                                   ^
Sep 01 17:15:07.705 INFO kablam!   |
Sep 01 17:15:07.705 INFO kablam!   = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 17:15:07.705 INFO kablam! 
Sep 01 17:15:07.705 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 17:15:07.705 INFO kablam!   --> src/executor.rs:11:47
Sep 01 17:15:07.705 INFO kablam!    |
Sep 01 17:15:07.705 INFO kablam! 11 |     fn new(fut: Box<Future<Item = (), Error = !> + 'static>) -> TaskInfo {
Sep 01 17:15:07.705 INFO kablam!    |                                               ^
Sep 01 17:15:07.705 INFO kablam!    |
Sep 01 17:15:07.705 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 17:15:07.705 INFO kablam! 
Sep 01 17:15:07.705 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 17:15:07.705 INFO kablam!   --> src/executor.rs:17:64
Sep 01 17:15:07.705 INFO kablam!    |
Sep 01 17:15:07.705 INFO kablam! 17 |     fn get_future(&self) -> &mut Box<Future<Item = (), Error = !> + 'static> {
Sep 01 17:15:07.705 INFO kablam!    |                                                                ^
Sep 01 17:15:07.705 INFO kablam!    |
Sep 01 17:15:07.705 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 17:15:07.705 INFO kablam! 
Sep 01 17:15:07.705 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 17:15:07.705 INFO kablam!   --> src/utils.rs:14:18
Sep 01 17:15:07.705 INFO kablam!    |
Sep 01 17:15:07.705 INFO kablam! 14 |     type Error = !;
Sep 01 17:15:07.705 INFO kablam!    |                  ^
Sep 01 17:15:07.705 INFO kablam!    |
Sep 01 17:15:07.705 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 17:15:07.706 INFO kablam! 
Sep 01 17:15:07.706 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 17:15:07.706 INFO kablam!   --> src/utils.rs:18:28
Sep 01 17:15:07.706 INFO kablam!    |
Sep 01 17:15:07.706 INFO kablam! 18 |     ) -> Result<Async<()>, !> {
Sep 01 17:15:07.706 INFO kablam!    |                            ^
Sep 01 17:15:07.706 INFO kablam!    |
Sep 01 17:15:07.706 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 17:15:07.706 INFO kablam! 
Sep 01 17:15:07.706 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 17:15:07.706 INFO kablam!   --> src/net.rs:18:18
Sep 01 17:15:07.706 INFO kablam!    |
Sep 01 17:15:07.706 INFO kablam! 18 |     type Error = !;
Sep 01 17:15:07.706 INFO kablam!    |                  ^
Sep 01 17:15:07.706 INFO kablam!    |
Sep 01 17:15:07.706 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 17:15:07.706 INFO kablam! 
Sep 01 17:15:07.706 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 17:15:07.706 INFO kablam!   --> src/net.rs:22:47
Sep 01 17:15:07.706 INFO kablam!    |
Sep 01 17:15:07.706 INFO kablam! 22 |     ) -> Result<Async<Option<TcpConnection>>, !> {
Sep 01 17:15:07.706 INFO kablam!    |                                               ^
Sep 01 17:15:07.706 INFO kablam!    |
Sep 01 17:15:07.706 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 17:15:07.706 INFO kablam! 
Sep 01 17:15:07.706 INFO kablam! error: aborting due to 7 previous errors
Sep 01 17:15:07.707 INFO kablam! 
Sep 01 17:15:07.707 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 01 17:15:07.713 INFO kablam! error: Could not compile `ia`.
Sep 01 17:15:07.713 INFO kablam! 
Sep 01 17:15:07.713 INFO kablam! To learn more, run the command again with --verbose.
Sep 01 17:15:07.715 INFO kablam! su: No module specific data is present
Sep 01 17:15:08.277 INFO running `"docker" "rm" "-f" "cc9c758a059d34863def5463d5fb3b7e11ec21a5f163076e16b516431ec33de9"`
Sep 01 17:15:08.365 INFO blam! cc9c758a059d34863def5463d5fb3b7e11ec21a5f163076e16b516431ec33de9