[INFO] crate ia 0.1.2 is already in cache
[INFO] checking ia-0.1.2 against beta-2019-10-27 for pr-65897
[INFO] extracting crate ia 0.1.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate ia 0.1.2 on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ia 0.1.2
[INFO] finished tweaking crates.io crate ia 0.1.2
[INFO] tweaked toml for crates.io crate ia 0.1.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 42b1e455685b758316e6cfea242724b3f2e72916de559f19361a441c5cef595d
[INFO] running `"docker" "start" "-a" "42b1e455685b758316e6cfea242724b3f2e72916de559f19361a441c5cef595d"`
[INFO] [stderr]     Checking ia v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::boxed::FnBox`
[INFO] [stderr]   --> src/raw.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::boxed::FnBox;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]   --> src/lib.rs:71:1
[INFO] [stderr]    |
[INFO] [stderr] 71 | #![feature(fnbox)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: The `!` type is experimental
[INFO] [stderr]  --> src/executor.rs:7:51
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fut: UnsafeCell<Box<Future<Item = (), Error = !> + 'static>>
[INFO] [stderr]   |                                                   ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/35121
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: The `!` type is experimental
[INFO] [stderr]   --> src/executor.rs:11:47
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn new(fut: Box<Future<Item = (), Error = !> + 'static>) -> TaskInfo {
[INFO] [stderr]    |                                               ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/35121
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: The `!` type is experimental
[INFO] [stderr]   --> src/executor.rs:17:64
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn get_future(&self) -> &mut Box<Future<Item = (), Error = !> + 'static> {
[INFO] [stderr]    |                                                                ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/35121
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: The `!` type is experimental
[INFO] [stderr]   --> src/utils.rs:14:18
[INFO] [stderr]    |
[INFO] [stderr] 14 |     type Error = !;
[INFO] [stderr]    |                  ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/35121
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: The `!` type is experimental
[INFO] [stderr]   --> src/utils.rs:18:28
[INFO] [stderr]    |
[INFO] [stderr] 18 |     ) -> Result<Async<()>, !> {
[INFO] [stderr]    |                            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/35121
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: The `!` type is experimental
[INFO] [stderr]   --> src/net.rs:18:18
[INFO] [stderr]    |
[INFO] [stderr] 18 |     type Error = !;
[INFO] [stderr]    |                  ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/35121
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: The `!` type is experimental
[INFO] [stderr]   --> src/net.rs:22:47
[INFO] [stderr]    |
[INFO] [stderr] 22 |     ) -> Result<Async<Option<TcpConnection>>, !> {
[INFO] [stderr]    |                                               ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/35121
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::boxed::FnBox`
[INFO] [stderr]   --> src/raw.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::boxed::FnBox;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]   --> src/lib.rs:71:1
[INFO] [stderr]    |
[INFO] [stderr] 71 | #![feature(fnbox)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: The `!` type is experimental
[INFO] [stderr]  --> src/executor.rs:7:51
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fut: UnsafeCell<Box<Future<Item = (), Error = !> + 'static>>
[INFO] [stderr]   |                                                   ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/35121
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: The `!` type is experimental
[INFO] [stderr]   --> src/executor.rs:11:47
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn new(fut: Box<Future<Item = (), Error = !> + 'static>) -> TaskInfo {
[INFO] [stderr]    |                                               ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/35121
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: The `!` type is experimental
[INFO] [stderr]   --> src/executor.rs:17:64
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn get_future(&self) -> &mut Box<Future<Item = (), Error = !> + 'static> {
[INFO] [stderr]    |                                                                ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/35121
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: The `!` type is experimental
[INFO] [stderr]   --> src/utils.rs:14:18
[INFO] [stderr]    |
[INFO] [stderr] 14 |     type Error = !;
[INFO] [stderr]    |                  ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/35121
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: The `!` type is experimental
[INFO] [stderr]   --> src/utils.rs:18:28
[INFO] [stderr]    |
[INFO] [stderr] 18 |     ) -> Result<Async<()>, !> {
[INFO] [stderr]    |                            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/35121
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: The `!` type is experimental
[INFO] [stderr]   --> src/net.rs:18:18
[INFO] [stderr]    |
[INFO] [stderr] 18 |     type Error = !;
[INFO] [stderr]    |                  ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/35121
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: The `!` type is experimental
[INFO] [stderr]   --> src/net.rs:22:47
[INFO] [stderr]    |
[INFO] [stderr] 22 |     ) -> Result<Async<Option<TcpConnection>>, !> {
[INFO] [stderr]    |                                               ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/35121
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 9 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0554, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: aborting due to 9 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0554, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `ia`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ia`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "42b1e455685b758316e6cfea242724b3f2e72916de559f19361a441c5cef595d"`
[INFO] running `"docker" "rm" "-f" "42b1e455685b758316e6cfea242724b3f2e72916de559f19361a441c5cef595d"`
[INFO] [stdout] 42b1e455685b758316e6cfea242724b3f2e72916de559f19361a441c5cef595d