Aug 30 14:26:48.897 INFO checking ia-0.1.2 against try#2d477f9981361618ac78253c28051a66b6cea125 for pr-53707
Aug 30 14:26:48.897 INFO running: cargo +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets
Aug 30 14:26:48.897 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53707/try#2d477f9981361618ac78253c28051a66b6cea125:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-1/try#2d477f9981361618ac78253c28051a66b6cea125:/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 +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 14:26:49.098 INFO blam! b192e64b89126619de12259c70366fb2a75886a0c08e33205bb47452ee078118
Aug 30 14:26:49.100 INFO running `"docker" "start" "-a" "b192e64b89126619de12259c70366fb2a75886a0c08e33205bb47452ee078118"`
Aug 30 14:26:49.743 INFO kablam!     Checking ia v0.1.2 (file:///source)
Aug 30 14:26:50.308 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Aug 30 14:26:50.308 INFO kablam!  --> src/executor.rs:7:51
Aug 30 14:26:50.308 INFO kablam!   |
Aug 30 14:26:50.308 INFO kablam! 7 |     fut: UnsafeCell<Box<Future<Item = (), Error = !> + 'static>>
Aug 30 14:26:50.308 INFO kablam!   |                                                   ^
Aug 30 14:26:50.309 INFO kablam!   |
Aug 30 14:26:50.309 INFO kablam!   = help: add #![feature(never_type)] to the crate attributes to enable
Aug 30 14:26:50.309 INFO kablam! 
Aug 30 14:26:50.309 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Aug 30 14:26:50.310 INFO kablam!   --> src/executor.rs:11:47
Aug 30 14:26:50.310 INFO kablam!    |
Aug 30 14:26:50.310 INFO kablam! 11 |     fn new(fut: Box<Future<Item = (), Error = !> + 'static>) -> TaskInfo {
Aug 30 14:26:50.310 INFO kablam!    |                                               ^
Aug 30 14:26:50.310 INFO kablam!    |
Aug 30 14:26:50.310 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Aug 30 14:26:50.310 INFO kablam! 
Aug 30 14:26:50.310 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Aug 30 14:26:50.310 INFO kablam!   --> src/executor.rs:17:64
Aug 30 14:26:50.310 INFO kablam!    |
Aug 30 14:26:50.310 INFO kablam! 17 |     fn get_future(&self) -> &mut Box<Future<Item = (), Error = !> + 'static> {
Aug 30 14:26:50.310 INFO kablam!    |                                                                ^
Aug 30 14:26:50.310 INFO kablam!    |
Aug 30 14:26:50.310 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Aug 30 14:26:50.310 INFO kablam! 
Aug 30 14:26:50.310 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Aug 30 14:26:50.310 INFO kablam!   --> src/utils.rs:14:18
Aug 30 14:26:50.310 INFO kablam!    |
Aug 30 14:26:50.310 INFO kablam! 14 |     type Error = !;
Aug 30 14:26:50.310 INFO kablam!    |                  ^
Aug 30 14:26:50.310 INFO kablam!    |
Aug 30 14:26:50.310 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Aug 30 14:26:50.310 INFO kablam! 
Aug 30 14:26:50.310 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Aug 30 14:26:50.310 INFO kablam!   --> src/utils.rs:18:28
Aug 30 14:26:50.310 INFO kablam!    |
Aug 30 14:26:50.310 INFO kablam! 18 |     ) -> Result<Async<()>, !> {
Aug 30 14:26:50.310 INFO kablam!    |                            ^
Aug 30 14:26:50.310 INFO kablam!    |
Aug 30 14:26:50.310 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Aug 30 14:26:50.310 INFO kablam! 
Aug 30 14:26:50.310 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Aug 30 14:26:50.311 INFO kablam!   --> src/net.rs:18:18
Aug 30 14:26:50.311 INFO kablam!    |
Aug 30 14:26:50.311 INFO kablam! 18 |     type Error = !;
Aug 30 14:26:50.311 INFO kablam!    |                  ^
Aug 30 14:26:50.311 INFO kablam!    |
Aug 30 14:26:50.311 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Aug 30 14:26:50.311 INFO kablam! 
Aug 30 14:26:50.311 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Aug 30 14:26:50.311 INFO kablam!   --> src/net.rs:22:47
Aug 30 14:26:50.311 INFO kablam!    |
Aug 30 14:26:50.311 INFO kablam! 22 |     ) -> Result<Async<Option<TcpConnection>>, !> {
Aug 30 14:26:50.311 INFO kablam!    |                                               ^
Aug 30 14:26:50.311 INFO kablam!    |
Aug 30 14:26:50.311 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Aug 30 14:26:50.311 INFO kablam! 
Aug 30 14:26:50.313 INFO kablam! error: aborting due to 7 previous errors
Aug 30 14:26:50.313 INFO kablam! 
Aug 30 14:26:50.313 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 30 14:26:50.317 INFO kablam! error: Could not compile `ia`.
Aug 30 14:26:50.317 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 30 14:26:50.402 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Aug 30 14:26:50.402 INFO kablam!  --> src/executor.rs:7:51
Aug 30 14:26:50.402 INFO kablam!   |
Aug 30 14:26:50.402 INFO kablam! 7 |     fut: UnsafeCell<Box<Future<Item = (), Error = !> + 'static>>
Aug 30 14:26:50.402 INFO kablam!   |                                                   ^
Aug 30 14:26:50.402 INFO kablam!   |
Aug 30 14:26:50.402 INFO kablam!   = help: add #![feature(never_type)] to the crate attributes to enable
Aug 30 14:26:50.402 INFO kablam! 
Aug 30 14:26:50.402 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Aug 30 14:26:50.402 INFO kablam!   --> src/executor.rs:11:47
Aug 30 14:26:50.402 INFO kablam!    |
Aug 30 14:26:50.402 INFO kablam! 11 |     fn new(fut: Box<Future<Item = (), Error = !> + 'static>) -> TaskInfo {
Aug 30 14:26:50.402 INFO kablam!    |                                               ^
Aug 30 14:26:50.402 INFO kablam!    |
Aug 30 14:26:50.402 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Aug 30 14:26:50.402 INFO kablam! 
Aug 30 14:26:50.402 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Aug 30 14:26:50.402 INFO kablam!   --> src/executor.rs:17:64
Aug 30 14:26:50.402 INFO kablam!    |
Aug 30 14:26:50.402 INFO kablam! 17 |     fn get_future(&self) -> &mut Box<Future<Item = (), Error = !> + 'static> {
Aug 30 14:26:50.402 INFO kablam!    |                                                                ^
Aug 30 14:26:50.402 INFO kablam!    |
Aug 30 14:26:50.402 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Aug 30 14:26:50.402 INFO kablam! 
Aug 30 14:26:50.403 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Aug 30 14:26:50.403 INFO kablam!   --> src/utils.rs:14:18
Aug 30 14:26:50.403 INFO kablam!    |
Aug 30 14:26:50.403 INFO kablam! 14 |     type Error = !;
Aug 30 14:26:50.403 INFO kablam!    |                  ^
Aug 30 14:26:50.403 INFO kablam!    |
Aug 30 14:26:50.403 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Aug 30 14:26:50.403 INFO kablam! 
Aug 30 14:26:50.403 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Aug 30 14:26:50.403 INFO kablam!   --> src/utils.rs:18:28
Aug 30 14:26:50.403 INFO kablam!    |
Aug 30 14:26:50.403 INFO kablam! 18 |     ) -> Result<Async<()>, !> {
Aug 30 14:26:50.403 INFO kablam!    |                            ^
Aug 30 14:26:50.403 INFO kablam!    |
Aug 30 14:26:50.403 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Aug 30 14:26:50.403 INFO kablam! 
Aug 30 14:26:50.403 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Aug 30 14:26:50.403 INFO kablam!   --> src/net.rs:18:18
Aug 30 14:26:50.403 INFO kablam!    |
Aug 30 14:26:50.403 INFO kablam! 18 |     type Error = !;
Aug 30 14:26:50.403 INFO kablam!    |                  ^
Aug 30 14:26:50.403 INFO kablam!    |
Aug 30 14:26:50.403 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Aug 30 14:26:50.403 INFO kablam! 
Aug 30 14:26:50.403 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Aug 30 14:26:50.403 INFO kablam!   --> src/net.rs:22:47
Aug 30 14:26:50.403 INFO kablam!    |
Aug 30 14:26:50.403 INFO kablam! 22 |     ) -> Result<Async<Option<TcpConnection>>, !> {
Aug 30 14:26:50.403 INFO kablam!    |                                               ^
Aug 30 14:26:50.403 INFO kablam!    |
Aug 30 14:26:50.403 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Aug 30 14:26:50.403 INFO kablam! 
Aug 30 14:26:50.403 INFO kablam! error: aborting due to 7 previous errors
Aug 30 14:26:50.403 INFO kablam! 
Aug 30 14:26:50.403 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 30 14:26:50.408 INFO kablam! error: Could not compile `ia`.
Aug 30 14:26:50.408 INFO kablam! 
Aug 30 14:26:50.408 INFO kablam! To learn more, run the command again with --verbose.
Aug 30 14:26:50.409 INFO kablam! su: No module specific data is present
Aug 30 14:26:51.288 INFO running `"docker" "rm" "-f" "b192e64b89126619de12259c70366fb2a75886a0c08e33205bb47452ee078118"`
Aug 30 14:26:51.448 INFO blam! b192e64b89126619de12259c70366fb2a75886a0c08e33205bb47452ee078118