Sep 21 08:40:23.314 INFO checking ia-0.1.2 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 08:40:23.314 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 08:40:23.315 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-2/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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=1000" "-e" "CMD=cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 08:40:23.431 INFO blam! 42e339443f2c02ea9d64c72ae142e2cb7d8e62060eb6baadaaed5b0d6113cd1f
Sep 21 08:40:23.433 INFO running `"docker" "start" "-a" "42e339443f2c02ea9d64c72ae142e2cb7d8e62060eb6baadaaed5b0d6113cd1f"`
Sep 21 08:40:24.546 INFO kablam! usermod: no changes
Sep 21 08:40:24.567 INFO kablam!     Checking ia v0.1.2 (/source)
Sep 21 08:40:24.774 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 21 08:40:24.774 INFO kablam!  --> src/executor.rs:7:51
Sep 21 08:40:24.774 INFO kablam!   |
Sep 21 08:40:24.774 INFO kablam! 7 |     fut: UnsafeCell<Box<Future<Item = (), Error = !> + 'static>>
Sep 21 08:40:24.774 INFO kablam!   |                                                   ^
Sep 21 08:40:24.774 INFO kablam!   |
Sep 21 08:40:24.774 INFO kablam!   = help: add #![feature(never_type)] to the crate attributes to enable
Sep 21 08:40:24.774 INFO kablam! 
Sep 21 08:40:24.774 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 21 08:40:24.774 INFO kablam!   --> src/executor.rs:11:47
Sep 21 08:40:24.774 INFO kablam!    |
Sep 21 08:40:24.774 INFO kablam! 11 |     fn new(fut: Box<Future<Item = (), Error = !> + 'static>) -> TaskInfo {
Sep 21 08:40:24.774 INFO kablam!    |                                               ^
Sep 21 08:40:24.774 INFO kablam!    |
Sep 21 08:40:24.774 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 21 08:40:24.774 INFO kablam! 
Sep 21 08:40:24.774 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 21 08:40:24.774 INFO kablam!   --> src/executor.rs:17:64
Sep 21 08:40:24.774 INFO kablam!    |
Sep 21 08:40:24.774 INFO kablam! 17 |     fn get_future(&self) -> &mut Box<Future<Item = (), Error = !> + 'static> {
Sep 21 08:40:24.774 INFO kablam!    |                                                                ^
Sep 21 08:40:24.774 INFO kablam!    |
Sep 21 08:40:24.774 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 21 08:40:24.774 INFO kablam! 
Sep 21 08:40:24.774 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 21 08:40:24.774 INFO kablam!   --> src/utils.rs:14:18
Sep 21 08:40:24.774 INFO kablam!    |
Sep 21 08:40:24.774 INFO kablam! 14 |     type Error = !;
Sep 21 08:40:24.774 INFO kablam!    |                  ^
Sep 21 08:40:24.774 INFO kablam!    |
Sep 21 08:40:24.774 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 21 08:40:24.774 INFO kablam! 
Sep 21 08:40:24.774 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 21 08:40:24.774 INFO kablam!   --> src/utils.rs:18:28
Sep 21 08:40:24.774 INFO kablam!    |
Sep 21 08:40:24.774 INFO kablam! 18 |     ) -> Result<Async<()>, !> {
Sep 21 08:40:24.774 INFO kablam!    |                            ^
Sep 21 08:40:24.774 INFO kablam!    |
Sep 21 08:40:24.774 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 21 08:40:24.774 INFO kablam! 
Sep 21 08:40:24.774 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 21 08:40:24.774 INFO kablam!   --> src/net.rs:18:18
Sep 21 08:40:24.774 INFO kablam!    |
Sep 21 08:40:24.774 INFO kablam! 18 |     type Error = !;
Sep 21 08:40:24.774 INFO kablam!    |                  ^
Sep 21 08:40:24.774 INFO kablam!    |
Sep 21 08:40:24.775 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 21 08:40:24.775 INFO kablam! 
Sep 21 08:40:24.775 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 21 08:40:24.775 INFO kablam!   --> src/net.rs:22:47
Sep 21 08:40:24.775 INFO kablam!    |
Sep 21 08:40:24.775 INFO kablam! 22 |     ) -> Result<Async<Option<TcpConnection>>, !> {
Sep 21 08:40:24.775 INFO kablam!    |                                               ^
Sep 21 08:40:24.775 INFO kablam!    |
Sep 21 08:40:24.775 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 21 08:40:24.775 INFO kablam! 
Sep 21 08:40:24.775 INFO kablam! error: aborting due to 7 previous errors
Sep 21 08:40:24.775 INFO kablam! 
Sep 21 08:40:24.775 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 21 08:40:24.780 INFO kablam! error: Could not compile `ia`.
Sep 21 08:40:24.780 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 21 08:40:24.814 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 21 08:40:24.815 INFO kablam!  --> src/executor.rs:7:51
Sep 21 08:40:24.815 INFO kablam!   |
Sep 21 08:40:24.815 INFO kablam! 7 |     fut: UnsafeCell<Box<Future<Item = (), Error = !> + 'static>>
Sep 21 08:40:24.815 INFO kablam!   |                                                   ^
Sep 21 08:40:24.815 INFO kablam!   |
Sep 21 08:40:24.815 INFO kablam!   = help: add #![feature(never_type)] to the crate attributes to enable
Sep 21 08:40:24.815 INFO kablam! 
Sep 21 08:40:24.815 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 21 08:40:24.815 INFO kablam!   --> src/executor.rs:11:47
Sep 21 08:40:24.815 INFO kablam!    |
Sep 21 08:40:24.815 INFO kablam! 11 |     fn new(fut: Box<Future<Item = (), Error = !> + 'static>) -> TaskInfo {
Sep 21 08:40:24.815 INFO kablam!    |                                               ^
Sep 21 08:40:24.815 INFO kablam!    |
Sep 21 08:40:24.815 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 21 08:40:24.815 INFO kablam! 
Sep 21 08:40:24.815 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 21 08:40:24.815 INFO kablam!   --> src/executor.rs:17:64
Sep 21 08:40:24.815 INFO kablam!    |
Sep 21 08:40:24.815 INFO kablam! 17 |     fn get_future(&self) -> &mut Box<Future<Item = (), Error = !> + 'static> {
Sep 21 08:40:24.815 INFO kablam!    |                                                                ^
Sep 21 08:40:24.815 INFO kablam!    |
Sep 21 08:40:24.815 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 21 08:40:24.815 INFO kablam! 
Sep 21 08:40:24.815 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 21 08:40:24.815 INFO kablam!   --> src/utils.rs:14:18
Sep 21 08:40:24.815 INFO kablam!    |
Sep 21 08:40:24.815 INFO kablam! 14 |     type Error = !;
Sep 21 08:40:24.815 INFO kablam!    |                  ^
Sep 21 08:40:24.815 INFO kablam!    |
Sep 21 08:40:24.815 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 21 08:40:24.816 INFO kablam! 
Sep 21 08:40:24.816 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 21 08:40:24.816 INFO kablam!   --> src/utils.rs:18:28
Sep 21 08:40:24.816 INFO kablam!    |
Sep 21 08:40:24.816 INFO kablam! 18 |     ) -> Result<Async<()>, !> {
Sep 21 08:40:24.816 INFO kablam!    |                            ^
Sep 21 08:40:24.816 INFO kablam!    |
Sep 21 08:40:24.816 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 21 08:40:24.816 INFO kablam! 
Sep 21 08:40:24.816 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 21 08:40:24.816 INFO kablam!   --> src/net.rs:18:18
Sep 21 08:40:24.816 INFO kablam!    |
Sep 21 08:40:24.816 INFO kablam! 18 |     type Error = !;
Sep 21 08:40:24.816 INFO kablam!    |                  ^
Sep 21 08:40:24.816 INFO kablam!    |
Sep 21 08:40:24.816 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 21 08:40:24.816 INFO kablam! 
Sep 21 08:40:24.816 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 21 08:40:24.816 INFO kablam!   --> src/net.rs:22:47
Sep 21 08:40:24.816 INFO kablam!    |
Sep 21 08:40:24.816 INFO kablam! 22 |     ) -> Result<Async<Option<TcpConnection>>, !> {
Sep 21 08:40:24.816 INFO kablam!    |                                               ^
Sep 21 08:40:24.816 INFO kablam!    |
Sep 21 08:40:24.816 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 21 08:40:24.816 INFO kablam! 
Sep 21 08:40:24.817 INFO kablam! error: aborting due to 7 previous errors
Sep 21 08:40:24.817 INFO kablam! 
Sep 21 08:40:24.817 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 21 08:40:24.822 INFO kablam! error: Could not compile `ia`.
Sep 21 08:40:24.822 INFO kablam! 
Sep 21 08:40:24.822 INFO kablam! To learn more, run the command again with --verbose.
Sep 21 08:40:24.823 INFO kablam! su: No module specific data is present
Sep 21 08:40:25.362 INFO running `"docker" "rm" "-f" "42e339443f2c02ea9d64c72ae142e2cb7d8e62060eb6baadaaed5b0d6113cd1f"`
Sep 21 08:40:25.466 INFO blam! 42e339443f2c02ea9d64c72ae142e2cb7d8e62060eb6baadaaed5b0d6113cd1f