[INFO] fetching crate synchrotron 0.1.0...
[INFO] checking synchrotron-0.1.0 against beta for pr-78714
[INFO] extracting crate synchrotron 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate synchrotron 0.1.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate synchrotron 0.1.0
[INFO] finished tweaking crates.io crate synchrotron 0.1.0
[INFO] tweaked toml for crates.io crate synchrotron 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2613e0179564aa8bff31f1552e2030352925376179e10111630a05e368624cd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a2613e0179564aa8bff31f1552e2030352925376179e10111630a05e368624cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2613e0179564aa8bff31f1552e2030352925376179e10111630a05e368624cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2613e0179564aa8bff31f1552e2030352925376179e10111630a05e368624cd", kill_on_drop: false }`
[INFO] [stdout] a2613e0179564aa8bff31f1552e2030352925376179e10111630a05e368624cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a10a75228902aa36bc068137a22fb7d78071d5713fec643609cd7db62bddb70b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a10a75228902aa36bc068137a22fb7d78071d5713fec643609cd7db62bddb70b", kill_on_drop: false }`
[INFO] [stderr]     Checking vec-arena v0.1.1
[INFO] [stderr]     Checking index_queue v0.1.0
[INFO] [stderr]     Checking synchrotron v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:116:35
[INFO] [stdout]     |
[INFO] [stdout] 116 | type SpawnedBox<'a> = Spawned<Box<Future<Item=(), Error=Void> + 'a>>;
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=(), Error=Void> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `futures::task::Unpark`: recommended to use `Notify` instead
[INFO] [stdout]   --> src/lib.rs:15:38
[INFO] [stdout]    |
[INFO] [stdout] 15 | use futures::executor::{self, Spawn, Unpark};
[INFO] [stdout]    |                                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `futures::task::Unpark`: recommended to use `Notify` instead
[INFO] [stdout]   --> src/lib.rs:94:6
[INFO] [stdout]    |
[INFO] [stdout] 94 | impl Unpark for Ticket {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `futures::task::park`: renamed to `current`
[INFO] [stdout]    --> src/lib.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |         task::park().unpark();
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:116:35
[INFO] [stdout]     |
[INFO] [stdout] 116 | type SpawnedBox<'a> = Spawned<Box<Future<Item=(), Error=Void> + 'a>>;
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=(), Error=Void> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `futures::task::Unpark`: recommended to use `Notify` instead
[INFO] [stdout]   --> src/lib.rs:15:38
[INFO] [stdout]    |
[INFO] [stdout] 15 | use futures::executor::{self, Spawn, Unpark};
[INFO] [stdout]    |                                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `futures::task::Unpark`: recommended to use `Notify` instead
[INFO] [stdout]   --> src/lib.rs:94:6
[INFO] [stdout]    |
[INFO] [stdout] 94 | impl Unpark for Ticket {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `futures::task::park`: renamed to `current`
[INFO] [stdout]    --> src/lib.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |         task::park().unpark();
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::task::Unpark::unpark`: recommended to use `Notify` instead
[INFO] [stdout]    --> src/lib.rs:130:16
[INFO] [stdout]     |
[INFO] [stdout] 130 |         ticket.unpark();
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::task::Task::unpark`: renamed to `notify`
[INFO] [stdout]    --> src/lib.rs:177:22
[INFO] [stdout]     |
[INFO] [stdout] 177 |         task::park().unpark();
[INFO] [stdout]     |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::task_impl::std::<impl futures::task::Spawn<F>>::poll_future`: recommended to use `poll_future_notify` instead
[INFO] [stdout]    --> src/lib.rs:291:47
[INFO] [stdout]     |
[INFO] [stdout] 291 |                         let poll = main.spawn.poll_future(ticket);
[INFO] [stdout]     |                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::task_impl::std::<impl futures::task::Spawn<F>>::poll_future`: recommended to use `poll_future_notify` instead
[INFO] [stdout]    --> src/lib.rs:304:46
[INFO] [stdout]     |
[INFO] [stdout] 304 |                     let poll = spawned.spawn.poll_future(ticket);
[INFO] [stdout]     |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::task::Unpark::unpark`: recommended to use `Notify` instead
[INFO] [stdout]    --> src/lib.rs:130:16
[INFO] [stdout]     |
[INFO] [stdout] 130 |         ticket.unpark();
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::task::Task::unpark`: renamed to `notify`
[INFO] [stdout]    --> src/lib.rs:177:22
[INFO] [stdout]     |
[INFO] [stdout] 177 |         task::park().unpark();
[INFO] [stdout]     |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::task_impl::std::<impl futures::task::Spawn<F>>::poll_future`: recommended to use `poll_future_notify` instead
[INFO] [stdout]    --> src/lib.rs:291:47
[INFO] [stdout]     |
[INFO] [stdout] 291 |                         let poll = main.spawn.poll_future(ticket);
[INFO] [stdout]     |                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::task_impl::std::<impl futures::task::Spawn<F>>::poll_future`: recommended to use `poll_future_notify` instead
[INFO] [stdout]    --> src/lib.rs:304:46
[INFO] [stdout]     |
[INFO] [stdout] 304 |                     let poll = spawned.spawn.poll_future(ticket);
[INFO] [stdout]     |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]  --> tests/simple.rs:8:36
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures::{future, task, Async, BoxFuture, Future};
[INFO] [stdout]   |                                    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]   --> tests/simple.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |         -> BoxFuture<(), Void> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]   --> tests/simple.rs:33:42
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn receive(inbox: &Arc<Mutex<Inbox>>) -> BoxFuture<&'static str, Void> {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `futures::task::park`: renamed to `current`
[INFO] [stdout]   --> tests/simple.rs:43:36
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 inbox.waiting.push(task::park());
[INFO] [stdout]    |                                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::task::Task::unpark`: renamed to `notify`
[INFO] [stdout]   --> tests/simple.rs:26:18
[INFO] [stdout]    |
[INFO] [stdout] 26 |             task.unpark();
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]   --> tests/simple.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |     future::ok(()).boxed()
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]   --> tests/simple.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 |     }).boxed()
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> benches/busy.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `futures::task::park`: renamed to `current`
[INFO] [stdout]   --> benches/busy.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         task::park().unpark();
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `futures::task::park`: renamed to `current`
[INFO] [stdout]   --> benches/busy.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         task::park().unpark();
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `futures::task::park`: renamed to `current`
[INFO] [stdout]   --> benches/busy.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         task::park().unpark();
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::task::Task::unpark`: renamed to `notify`
[INFO] [stdout]   --> benches/busy.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 |         task::park().unpark();
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::task::Task::unpark`: renamed to `notify`
[INFO] [stdout]   --> benches/busy.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 |         task::park().unpark();
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::task::Task::unpark`: renamed to `notify`
[INFO] [stdout]   --> benches/busy.rs:37:22
[INFO] [stdout]    |
[INFO] [stdout] 37 |         task::park().unpark();
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `synchrotron`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "a10a75228902aa36bc068137a22fb7d78071d5713fec643609cd7db62bddb70b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a10a75228902aa36bc068137a22fb7d78071d5713fec643609cd7db62bddb70b", kill_on_drop: false }`
[INFO] [stdout] a10a75228902aa36bc068137a22fb7d78071d5713fec643609cd7db62bddb70b