[INFO] fetching crate comms 0.1.4...
[INFO] checking comms-0.1.4 against beta for pr-78714
[INFO] extracting crate comms 0.1.4 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate comms 0.1.4 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 comms 0.1.4
[INFO] finished tweaking crates.io crate comms 0.1.4
[INFO] tweaked toml for crates.io crate comms 0.1.4 written to /workspace/builds/worker-14/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] b333a84a1d120887285a1fbe9a26a80e78d9379fd66d867b4625242f38239855
[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" "b333a84a1d120887285a1fbe9a26a80e78d9379fd66d867b4625242f38239855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b333a84a1d120887285a1fbe9a26a80e78d9379fd66d867b4625242f38239855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b333a84a1d120887285a1fbe9a26a80e78d9379fd66d867b4625242f38239855", kill_on_drop: false }`
[INFO] [stdout] b333a84a1d120887285a1fbe9a26a80e78d9379fd66d867b4625242f38239855
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] abb6112a06c119f83efe4903fc2f5f24edf9fc1c6df139d87e134f60f1f8b4d9
[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" "abb6112a06c119f83efe4903fc2f5f24edf9fc1c6df139d87e134f60f1f8b4d9", kill_on_drop: false }`
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking quickcheck v0.2.27
[INFO] [stderr]     Checking comms v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/client/mod.rs:126:39
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn update_status(self) -> Box<Future<Item = (Option<C::Item>, Self), Error = Self>> {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (Option<C::Item>, Self), Error = Self>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/client/mod.rs:126:39
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn update_status(self) -> Box<Future<Item = (Option<C::Item>, Self), Error = Self>> {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (Option<C::Item>, Self), Error = Self>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:56:33
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn unpark_noop() -> Arc<executor::Unpark> {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn executor::Unpark`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `futures::task::Unpark`: recommended to use `Notify` instead
[INFO] [stdout]   --> src/lib.rs:56:33
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn unpark_noop() -> Arc<executor::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:59:14
[INFO] [stdout]    |
[INFO] [stdout] 59 |         impl executor::Unpark for Foo {
[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/client/mod.rs:391:49
[INFO] [stdout]     |
[INFO] [stdout] 391 |             if let Ok(Async::NotReady) = future.poll_future(unpark_noop()) {
[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/room/mod.rs:294:24
[INFO] [stdout]     |
[INFO] [stdout] 294 |         assert!(future.poll_future(unpark_noop()).unwrap().is_not_ready());
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.88s
[INFO] running `Command { std: "docker" "inspect" "abb6112a06c119f83efe4903fc2f5f24edf9fc1c6df139d87e134f60f1f8b4d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abb6112a06c119f83efe4903fc2f5f24edf9fc1c6df139d87e134f60f1f8b4d9", kill_on_drop: false }`
[INFO] [stdout] abb6112a06c119f83efe4903fc2f5f24edf9fc1c6df139d87e134f60f1f8b4d9