Sep 01 17:15:05.995 INFO checking ia-0.1.2 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 17:15:05.995 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 17:15:05.995 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-0/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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 +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 17:15:06.150 INFO blam! 864ae98314ce3b23261cc2cf42417342a8edd79eaa4fce52dc8fe9cffc95e996
Sep 01 17:15:06.152 INFO running `"docker" "start" "-a" "864ae98314ce3b23261cc2cf42417342a8edd79eaa4fce52dc8fe9cffc95e996"`
Sep 01 17:15:06.835 INFO kablam!     Checking ia v0.1.2 (file:///source)
Sep 01 17:15:07.446 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 17:15:07.446 INFO kablam!  --> src/executor.rs:7:51
Sep 01 17:15:07.446 INFO kablam!   |
Sep 01 17:15:07.446 INFO kablam! 7 |     fut: UnsafeCell<Box<Future<Item = (), Error = !> + 'static>>
Sep 01 17:15:07.446 INFO kablam!   |                                                   ^
Sep 01 17:15:07.447 INFO kablam!   |
Sep 01 17:15:07.447 INFO kablam!   = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 17:15:07.448 INFO kablam! 
Sep 01 17:15:07.448 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 17:15:07.448 INFO kablam!   --> src/executor.rs:11:47
Sep 01 17:15:07.448 INFO kablam!    |
Sep 01 17:15:07.448 INFO kablam! 11 |     fn new(fut: Box<Future<Item = (), Error = !> + 'static>) -> TaskInfo {
Sep 01 17:15:07.448 INFO kablam!    |                                               ^
Sep 01 17:15:07.449 INFO kablam!    |
Sep 01 17:15:07.449 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 17:15:07.449 INFO kablam! 
Sep 01 17:15:07.450 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 17:15:07.450 INFO kablam!   --> src/executor.rs:17:64
Sep 01 17:15:07.450 INFO kablam!    |
Sep 01 17:15:07.450 INFO kablam! 17 |     fn get_future(&self) -> &mut Box<Future<Item = (), Error = !> + 'static> {
Sep 01 17:15:07.450 INFO kablam!    |                                                                ^
Sep 01 17:15:07.450 INFO kablam!    |
Sep 01 17:15:07.450 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 17:15:07.451 INFO kablam! 
Sep 01 17:15:07.451 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 17:15:07.451 INFO kablam!   --> src/utils.rs:14:18
Sep 01 17:15:07.451 INFO kablam!    |
Sep 01 17:15:07.451 INFO kablam! 14 |     type Error = !;
Sep 01 17:15:07.451 INFO kablam!    |                  ^
Sep 01 17:15:07.452 INFO kablam!    |
Sep 01 17:15:07.452 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 17:15:07.452 INFO kablam! 
Sep 01 17:15:07.453 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 17:15:07.453 INFO kablam!   --> src/utils.rs:18:28
Sep 01 17:15:07.453 INFO kablam!    |
Sep 01 17:15:07.453 INFO kablam! 18 |     ) -> Result<Async<()>, !> {
Sep 01 17:15:07.453 INFO kablam!    |                            ^
Sep 01 17:15:07.453 INFO kablam!    |
Sep 01 17:15:07.454 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 17:15:07.454 INFO kablam! 
Sep 01 17:15:07.455 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 17:15:07.455 INFO kablam!   --> src/net.rs:18:18
Sep 01 17:15:07.455 INFO kablam!    |
Sep 01 17:15:07.455 INFO kablam! 18 |     type Error = !;
Sep 01 17:15:07.455 INFO kablam!    |                  ^
Sep 01 17:15:07.455 INFO kablam!    |
Sep 01 17:15:07.455 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 17:15:07.456 INFO kablam! 
Sep 01 17:15:07.456 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 17:15:07.456 INFO kablam!   --> src/net.rs:22:47
Sep 01 17:15:07.456 INFO kablam!    |
Sep 01 17:15:07.456 INFO kablam! 22 |     ) -> Result<Async<Option<TcpConnection>>, !> {
Sep 01 17:15:07.456 INFO kablam!    |                                               ^
Sep 01 17:15:07.457 INFO kablam!    |
Sep 01 17:15:07.457 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 17:15:07.457 INFO kablam! 
Sep 01 17:15:07.459 INFO kablam! error: aborting due to 7 previous errors
Sep 01 17:15:07.460 INFO kablam! 
Sep 01 17:15:07.460 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 01 17:15:07.467 INFO kablam! error: Could not compile `ia`.
Sep 01 17:15:07.467 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 01 17:15:07.584 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 17:15:07.584 INFO kablam!  --> src/executor.rs:7:51
Sep 01 17:15:07.584 INFO kablam!   |
Sep 01 17:15:07.584 INFO kablam! 7 |     fut: UnsafeCell<Box<Future<Item = (), Error = !> + 'static>>
Sep 01 17:15:07.584 INFO kablam!   |                                                   ^
Sep 01 17:15:07.584 INFO kablam!   |
Sep 01 17:15:07.584 INFO kablam!   = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 17:15:07.584 INFO kablam! 
Sep 01 17:15:07.584 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 17:15:07.584 INFO kablam!   --> src/executor.rs:11:47
Sep 01 17:15:07.584 INFO kablam!    |
Sep 01 17:15:07.584 INFO kablam! 11 |     fn new(fut: Box<Future<Item = (), Error = !> + 'static>) -> TaskInfo {
Sep 01 17:15:07.584 INFO kablam!    |                                               ^
Sep 01 17:15:07.584 INFO kablam!    |
Sep 01 17:15:07.584 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 17:15:07.584 INFO kablam! 
Sep 01 17:15:07.585 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 17:15:07.585 INFO kablam!   --> src/executor.rs:17:64
Sep 01 17:15:07.585 INFO kablam!    |
Sep 01 17:15:07.585 INFO kablam! 17 |     fn get_future(&self) -> &mut Box<Future<Item = (), Error = !> + 'static> {
Sep 01 17:15:07.585 INFO kablam!    |                                                                ^
Sep 01 17:15:07.585 INFO kablam!    |
Sep 01 17:15:07.585 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 17:15:07.586 INFO kablam! 
Sep 01 17:15:07.586 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 17:15:07.586 INFO kablam!   --> src/utils.rs:14:18
Sep 01 17:15:07.586 INFO kablam!    |
Sep 01 17:15:07.586 INFO kablam! 14 |     type Error = !;
Sep 01 17:15:07.586 INFO kablam!    |                  ^
Sep 01 17:15:07.586 INFO kablam!    |
Sep 01 17:15:07.586 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 17:15:07.586 INFO kablam! 
Sep 01 17:15:07.586 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 17:15:07.586 INFO kablam!   --> src/utils.rs:18:28
Sep 01 17:15:07.586 INFO kablam!    |
Sep 01 17:15:07.586 INFO kablam! 18 |     ) -> Result<Async<()>, !> {
Sep 01 17:15:07.586 INFO kablam!    |                            ^
Sep 01 17:15:07.586 INFO kablam!    |
Sep 01 17:15:07.586 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 17:15:07.586 INFO kablam! 
Sep 01 17:15:07.586 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 17:15:07.586 INFO kablam!   --> src/net.rs:18:18
Sep 01 17:15:07.586 INFO kablam!    |
Sep 01 17:15:07.586 INFO kablam! 18 |     type Error = !;
Sep 01 17:15:07.586 INFO kablam!    |                  ^
Sep 01 17:15:07.586 INFO kablam!    |
Sep 01 17:15:07.586 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 17:15:07.586 INFO kablam! 
Sep 01 17:15:07.586 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 01 17:15:07.586 INFO kablam!   --> src/net.rs:22:47
Sep 01 17:15:07.587 INFO kablam!    |
Sep 01 17:15:07.587 INFO kablam! 22 |     ) -> Result<Async<Option<TcpConnection>>, !> {
Sep 01 17:15:07.587 INFO kablam!    |                                               ^
Sep 01 17:15:07.587 INFO kablam!    |
Sep 01 17:15:07.587 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 01 17:15:07.587 INFO kablam! 
Sep 01 17:15:07.588 INFO kablam! error: aborting due to 7 previous errors
Sep 01 17:15:07.588 INFO kablam! 
Sep 01 17:15:07.588 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 01 17:15:07.593 INFO kablam! error: Could not compile `ia`.
Sep 01 17:15:07.593 INFO kablam! 
Sep 01 17:15:07.593 INFO kablam! To learn more, run the command again with --verbose.
Sep 01 17:15:07.594 INFO kablam! su: No module specific data is present
Sep 01 17:15:08.210 INFO running `"docker" "rm" "-f" "864ae98314ce3b23261cc2cf42417342a8edd79eaa4fce52dc8fe9cffc95e996"`
Sep 01 17:15:08.343 INFO blam! 864ae98314ce3b23261cc2cf42417342a8edd79eaa4fce52dc8fe9cffc95e996