Sep 10 16:38:49.643 INFO checking ia-0.1.2 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 16:38:49.643 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 16:38:49.643 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-1/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 16:38:49.791 INFO blam! 7b5782150fe336b5cf1a5ca5a9ab7298f443d6d377e7ab3a97c64f8ed44120b6
Sep 10 16:38:49.792 INFO running `"docker" "start" "-a" "7b5782150fe336b5cf1a5ca5a9ab7298f443d6d377e7ab3a97c64f8ed44120b6"`
Sep 10 16:38:51.119 INFO kablam! usermod: no changes
Sep 10 16:38:51.156 INFO kablam!     Checking ia v0.1.2 (file:///source)
Sep 10 16:38:51.499 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 10 16:38:51.499 INFO kablam!  --> src/executor.rs:7:51
Sep 10 16:38:51.499 INFO kablam!   |
Sep 10 16:38:51.499 INFO kablam! 7 |     fut: UnsafeCell<Box<Future<Item = (), Error = !> + 'static>>
Sep 10 16:38:51.499 INFO kablam!   |                                                   ^
Sep 10 16:38:51.499 INFO kablam!   |
Sep 10 16:38:51.499 INFO kablam!   = help: add #![feature(never_type)] to the crate attributes to enable
Sep 10 16:38:51.499 INFO kablam! 
Sep 10 16:38:51.499 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 10 16:38:51.499 INFO kablam!   --> src/executor.rs:11:47
Sep 10 16:38:51.499 INFO kablam!    |
Sep 10 16:38:51.499 INFO kablam! 11 |     fn new(fut: Box<Future<Item = (), Error = !> + 'static>) -> TaskInfo {
Sep 10 16:38:51.499 INFO kablam!    |                                               ^
Sep 10 16:38:51.499 INFO kablam!    |
Sep 10 16:38:51.499 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 10 16:38:51.499 INFO kablam! 
Sep 10 16:38:51.499 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 10 16:38:51.499 INFO kablam!   --> src/executor.rs:17:64
Sep 10 16:38:51.499 INFO kablam!    |
Sep 10 16:38:51.499 INFO kablam! 17 |     fn get_future(&self) -> &mut Box<Future<Item = (), Error = !> + 'static> {
Sep 10 16:38:51.499 INFO kablam!    |                                                                ^
Sep 10 16:38:51.499 INFO kablam!    |
Sep 10 16:38:51.499 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 10 16:38:51.499 INFO kablam! 
Sep 10 16:38:51.499 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 10 16:38:51.499 INFO kablam!   --> src/utils.rs:14:18
Sep 10 16:38:51.499 INFO kablam!    |
Sep 10 16:38:51.499 INFO kablam! 14 |     type Error = !;
Sep 10 16:38:51.499 INFO kablam!    |                  ^
Sep 10 16:38:51.499 INFO kablam!    |
Sep 10 16:38:51.499 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 10 16:38:51.499 INFO kablam! 
Sep 10 16:38:51.499 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 10 16:38:51.499 INFO kablam!   --> src/utils.rs:18:28
Sep 10 16:38:51.499 INFO kablam!    |
Sep 10 16:38:51.499 INFO kablam! 18 |     ) -> Result<Async<()>, !> {
Sep 10 16:38:51.499 INFO kablam!    |                            ^
Sep 10 16:38:51.499 INFO kablam!    |
Sep 10 16:38:51.499 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 10 16:38:51.499 INFO kablam! 
Sep 10 16:38:51.499 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 10 16:38:51.499 INFO kablam!   --> src/net.rs:18:18
Sep 10 16:38:51.499 INFO kablam!    |
Sep 10 16:38:51.499 INFO kablam! 18 |     type Error = !;
Sep 10 16:38:51.500 INFO kablam!    |                  ^
Sep 10 16:38:51.500 INFO kablam!    |
Sep 10 16:38:51.500 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 10 16:38:51.500 INFO kablam! 
Sep 10 16:38:51.500 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 10 16:38:51.500 INFO kablam!   --> src/net.rs:22:47
Sep 10 16:38:51.500 INFO kablam!    |
Sep 10 16:38:51.500 INFO kablam! 22 |     ) -> Result<Async<Option<TcpConnection>>, !> {
Sep 10 16:38:51.500 INFO kablam!    |                                               ^
Sep 10 16:38:51.500 INFO kablam!    |
Sep 10 16:38:51.500 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 10 16:38:51.500 INFO kablam! 
Sep 10 16:38:51.500 INFO kablam! error: aborting due to 7 previous errors
Sep 10 16:38:51.500 INFO kablam! 
Sep 10 16:38:51.500 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 10 16:38:51.510 INFO kablam! error: Could not compile `ia`.
Sep 10 16:38:51.510 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 10 16:38:51.533 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 10 16:38:51.533 INFO kablam!  --> src/executor.rs:7:51
Sep 10 16:38:51.533 INFO kablam!   |
Sep 10 16:38:51.533 INFO kablam! 7 |     fut: UnsafeCell<Box<Future<Item = (), Error = !> + 'static>>
Sep 10 16:38:51.533 INFO kablam!   |                                                   ^
Sep 10 16:38:51.533 INFO kablam!   |
Sep 10 16:38:51.533 INFO kablam!   = help: add #![feature(never_type)] to the crate attributes to enable
Sep 10 16:38:51.533 INFO kablam! 
Sep 10 16:38:51.533 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 10 16:38:51.533 INFO kablam!   --> src/executor.rs:11:47
Sep 10 16:38:51.533 INFO kablam!    |
Sep 10 16:38:51.533 INFO kablam! 11 |     fn new(fut: Box<Future<Item = (), Error = !> + 'static>) -> TaskInfo {
Sep 10 16:38:51.533 INFO kablam!    |                                               ^
Sep 10 16:38:51.533 INFO kablam!    |
Sep 10 16:38:51.533 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 10 16:38:51.533 INFO kablam! 
Sep 10 16:38:51.533 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 10 16:38:51.533 INFO kablam!   --> src/executor.rs:17:64
Sep 10 16:38:51.533 INFO kablam!    |
Sep 10 16:38:51.533 INFO kablam! 17 |     fn get_future(&self) -> &mut Box<Future<Item = (), Error = !> + 'static> {
Sep 10 16:38:51.533 INFO kablam!    |                                                                ^
Sep 10 16:38:51.533 INFO kablam!    |
Sep 10 16:38:51.533 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 10 16:38:51.533 INFO kablam! 
Sep 10 16:38:51.533 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 10 16:38:51.533 INFO kablam!   --> src/utils.rs:14:18
Sep 10 16:38:51.533 INFO kablam!    |
Sep 10 16:38:51.533 INFO kablam! 14 |     type Error = !;
Sep 10 16:38:51.533 INFO kablam!    |                  ^
Sep 10 16:38:51.533 INFO kablam!    |
Sep 10 16:38:51.533 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 10 16:38:51.533 INFO kablam! 
Sep 10 16:38:51.533 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 10 16:38:51.533 INFO kablam!   --> src/utils.rs:18:28
Sep 10 16:38:51.533 INFO kablam!    |
Sep 10 16:38:51.533 INFO kablam! 18 |     ) -> Result<Async<()>, !> {
Sep 10 16:38:51.533 INFO kablam!    |                            ^
Sep 10 16:38:51.533 INFO kablam!    |
Sep 10 16:38:51.533 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 10 16:38:51.533 INFO kablam! 
Sep 10 16:38:51.533 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 10 16:38:51.533 INFO kablam!   --> src/net.rs:18:18
Sep 10 16:38:51.533 INFO kablam!    |
Sep 10 16:38:51.534 INFO kablam! 18 |     type Error = !;
Sep 10 16:38:51.534 INFO kablam!    |                  ^
Sep 10 16:38:51.534 INFO kablam!    |
Sep 10 16:38:51.534 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 10 16:38:51.534 INFO kablam! 
Sep 10 16:38:51.534 INFO kablam! error[E0658]: The `!` type is experimental (see issue #35121)
Sep 10 16:38:51.534 INFO kablam!   --> src/net.rs:22:47
Sep 10 16:38:51.534 INFO kablam!    |
Sep 10 16:38:51.534 INFO kablam! 22 |     ) -> Result<Async<Option<TcpConnection>>, !> {
Sep 10 16:38:51.534 INFO kablam!    |                                               ^
Sep 10 16:38:51.534 INFO kablam!    |
Sep 10 16:38:51.534 INFO kablam!    = help: add #![feature(never_type)] to the crate attributes to enable
Sep 10 16:38:51.534 INFO kablam! 
Sep 10 16:38:51.538 INFO kablam! error: aborting due to 7 previous errors
Sep 10 16:38:51.538 INFO kablam! 
Sep 10 16:38:51.538 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 10 16:38:51.542 INFO kablam! error: Could not compile `ia`.
Sep 10 16:38:51.542 INFO kablam! 
Sep 10 16:38:51.542 INFO kablam! To learn more, run the command again with --verbose.
Sep 10 16:38:51.542 INFO kablam! su: No module specific data is present
Sep 10 16:38:52.512 INFO running `"docker" "rm" "-f" "7b5782150fe336b5cf1a5ca5a9ab7298f443d6d377e7ab3a97c64f8ed44120b6"`
Sep 10 16:38:52.651 INFO blam! 7b5782150fe336b5cf1a5ca5a9ab7298f443d6d377e7ab3a97c64f8ed44120b6