[INFO] fetching crate comms 0.1.4...
[INFO] testing comms-0.1.4 against beta-2024-12-08 for beta-1.84.0-4-retry
[INFO] extracting crate comms 0.1.4 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate comms 0.1.4 on toolchain beta-2024-12-08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 43 packages to latest compatible versions
[INFO] [stderr]       Adding futures v0.1.31 (available: v0.3.31)
[INFO] [stderr]       Adding quickcheck v0.2.27 (available: v1.0.3)
[INFO] [stderr]       Adding tokio-timer v0.1.2 (available: v0.2.13)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73a391b5b4f06179bd4d6a381fa1d27ac5048e515ca7f4e46582db24afe4e8e1
[INFO] running `Command { std: "docker" "start" "-a" "73a391b5b4f06179bd4d6a381fa1d27ac5048e515ca7f4e46582db24afe4e8e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73a391b5b4f06179bd4d6a381fa1d27ac5048e515ca7f4e46582db24afe4e8e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73a391b5b4f06179bd4d6a381fa1d27ac5048e515ca7f4e46582db24afe4e8e1", kill_on_drop: false }`
[INFO] [stdout] 73a391b5b4f06179bd4d6a381fa1d27ac5048e515ca7f4e46582db24afe4e8e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1ee9de88a094dda98f0b498dbaa5973b5f877719fb80a7a3431103521dbb3c0
[INFO] running `Command { std: "docker" "start" "-a" "d1ee9de88a094dda98f0b498dbaa5973b5f877719fb80a7a3431103521dbb3c0", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling tokio-timer v0.1.2
[INFO] [stderr]    Compiling comms v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::transmit::*`
[INFO] [stdout]  --> src/room/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use self::transmit::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[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]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn update_status(self) -> Box<dyn Future<Item = (Option<C::Item>, Self), Error = Self>> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "d1ee9de88a094dda98f0b498dbaa5973b5f877719fb80a7a3431103521dbb3c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1ee9de88a094dda98f0b498dbaa5973b5f877719fb80a7a3431103521dbb3c0", kill_on_drop: false }`
[INFO] [stdout] d1ee9de88a094dda98f0b498dbaa5973b5f877719fb80a7a3431103521dbb3c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76098a93281321a7c6d45b735d19f4fd4f12e61838440941f1ebaa45912fdb48
[INFO] running `Command { std: "docker" "start" "-a" "76098a93281321a7c6d45b735d19f4fd4f12e61838440941f1ebaa45912fdb48", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stdout] warning: unused import: `self::transmit::*`
[INFO] [stdout]  --> src/room/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use self::transmit::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[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]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn update_status(self) -> Box<dyn Future<Item = (Option<C::Item>, Self), Error = Self>> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling quickcheck v0.2.27
[INFO] [stderr]    Compiling comms v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::transmit::*`
[INFO] [stdout]  --> src/room/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use self::transmit::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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:56:43
[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:59:24
[INFO] [stdout]    |
[INFO] [stdout] 59 |         impl executor::Unpark for Foo {
[INFO] [stdout]    |                        ^^^^^^
[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]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn update_status(self) -> Box<dyn Future<Item = (Option<C::Item>, Self), Error = Self>> {
[INFO] [stdout]     |                                       +++
[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]    |                                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn unpark_noop() -> Arc<dyn executor::Unpark> {
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `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 method `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: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/client/mod.rs:336:53
[INFO] [stdout]     |
[INFO] [stdout] 336 |         let (_, _, client0) = mock_client(client0_id.clone(), 1);
[INFO] [stdout]     |                                                     ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/client/mod.rs:338:53
[INFO] [stdout]     |
[INFO] [stdout] 338 |         let (_, _, client1) = mock_client(client1_id.clone(), 1);
[INFO] [stdout]     |                                                     ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.84s
[INFO] running `Command { std: "docker" "inspect" "76098a93281321a7c6d45b735d19f4fd4f12e61838440941f1ebaa45912fdb48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76098a93281321a7c6d45b735d19f4fd4f12e61838440941f1ebaa45912fdb48", kill_on_drop: false }`
[INFO] [stdout] 76098a93281321a7c6d45b735d19f4fd4f12e61838440941f1ebaa45912fdb48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9b0751009b7cded74eb52e0072cef9331fa045b778f04128089aa5ddb1a8f60b
[INFO] running `Command { std: "docker" "start" "-a" "9b0751009b7cded74eb52e0072cef9331fa045b778f04128089aa5ddb1a8f60b", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: unused import: `self::transmit::*`
[INFO] [stderr]  --> src/room/mod.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub use self::transmit::*;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client/mod.rs:126:39
[INFO] [stderr]     |
[INFO] [stderr] 126 |     pub fn update_status(self) -> Box<Future<Item = (Option<C::Item>, Self), Error = Self>> {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 126 |     pub fn update_status(self) -> Box<dyn Future<Item = (Option<C::Item>, Self), Error = Self>> {
[INFO] [stderr]     |                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: `comms` (lib) generated 2 warnings (run `cargo fix --lib -p comms` to apply 2 suggestions)
[INFO] [stderr] warning: use of deprecated trait `futures::task::Unpark`: recommended to use `Notify` instead
[INFO] [stderr]   --> src/lib.rs:56:43
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn unpark_noop() -> Arc<executor::Unpark> {
[INFO] [stderr]    |                                           ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated trait `futures::task::Unpark`: recommended to use `Notify` instead
[INFO] [stderr]   --> src/lib.rs:59:24
[INFO] [stderr]    |
[INFO] [stderr] 59 |         impl executor::Unpark for Foo {
[INFO] [stderr]    |                        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:56:33
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn unpark_noop() -> Arc<executor::Unpark> {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn unpark_noop() -> Arc<dyn executor::Unpark> {
[INFO] [stderr]    |                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `futures::task_impl::std::<impl futures::task::Spawn<F>>::poll_future`: recommended to use `poll_future_notify` instead
[INFO] [stderr]    --> src/client/mod.rs:391:49
[INFO] [stderr]     |
[INFO] [stderr] 391 |             if let Ok(Async::NotReady) = future.poll_future(unpark_noop()) {
[INFO] [stderr]     |                                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `futures::task_impl::std::<impl futures::task::Spawn<F>>::poll_future`: recommended to use `poll_future_notify` instead
[INFO] [stderr]    --> src/room/mod.rs:294:24
[INFO] [stderr]     |
[INFO] [stderr] 294 |         assert!(future.poll_future(unpark_noop()).unwrap().is_not_ready());
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]    --> src/client/mod.rs:336:53
[INFO] [stderr]     |
[INFO] [stderr] 336 |         let (_, _, client0) = mock_client(client0_id.clone(), 1);
[INFO] [stderr]     |                                                     ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]    --> src/client/mod.rs:338:53
[INFO] [stderr]     |
[INFO] [stderr] 338 |         let (_, _, client1) = mock_client(client1_id.clone(), 1);
[INFO] [stderr]     |                                                     ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr] 
[INFO] [stderr] warning: `comms` (lib test) generated 9 warnings (2 duplicates) (run `cargo fix --lib -p comms --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/comms-0c232b8c955b7882)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test client::receive::tests::can_receive ... ok
[INFO] [stdout] test client::receive::tests::can_receive_well_behaved ... ok
[INFO] [stdout] test client::receive::tests::can_hard_receive_in_time ... ok
[INFO] [stdout] test client::receive::tests::can_hard_receive_an_error ... ok
[INFO] [stdout] test client::receive::tests::can_receive_an_error ... ok
[INFO] [stdout] test client::tests::can_close ... ok
[INFO] [stdout] test client::tests::can_join_room ... ok
[INFO] [stdout] test client::tests::can_transmit ... ok
[INFO] [stdout] test client::receive::tests::can_soft_receive_in_time ... ok
[INFO] [stdout] test room::tests::can_receive_all ... ok
[INFO] [stdout] test client::tests::can_receive ... ok
[INFO] [stdout] test room::tests::can_statuses ... ok
[INFO] [stdout] test room::tests::can_transmit ... ok
[INFO] [stdout] test client::tests::can_status ... ok
[INFO] [stdout] test client::receive::tests::can_soft_receive_an_error ... ok
[INFO] [stdout] test room::tests::can_broadcast_all ... ok
[INFO] [stdout] test client::tests::stream_and_sink_separate ... FAILED
[INFO] [stdout] test client::receive::tests::can_receive_for_3_seconds ... ok
[INFO] [stdout] test client::receive::tests::can_hard_receive_a_timeout ... ok
[INFO] [stdout] test client::receive::tests::can_soft_receive_a_timeout ... ok
[INFO] [stdout] test client::receive::tests::can_receive_with_hard_timeout_well_behaved ... ok
[INFO] [stdout] test client::receive::tests::can_receive_with_soft_timeout_well_behaved ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- client::tests::stream_and_sink_separate stdout ----
[INFO] [stdout] thread 'client::tests::stream_and_sink_separate' panicked at src/client/mod.rs:442:17:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Ok(NotReady)
[INFO] [stdout]  right: Ok(Ready(()))
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5daa4761cd6a - std::backtrace_rs::backtrace::libunwind::trace::h8810477743020387
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x5daa4761cd6a - std::backtrace_rs::backtrace::trace_unsynchronized::h3aa55355dd6c54a6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5daa4761cd6a - std::sys::backtrace::_print_fmt::h8588b0f62410823f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5daa4761cd6a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h98c26ac25ffe89bb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5daa47642c63 - core::fmt::rt::Argument::fmt::hf95377f4aebd453b
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x5daa47642c63 - core::fmt::write::h0dd5f6e2238c7982
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/mod.rs:1189:21
[INFO] [stdout]    6:     0x5daa47619e83 - std::io::Write::write_fmt::h03bb0ca26e6faf8c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/io/mod.rs:1884:15
[INFO] [stdout]    7:     0x5daa4761cbb2 - std::sys::backtrace::BacktraceLock::print::h5c19c1c038ee186d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x5daa4761e1ed - std::panicking::default_hook::{{closure}}::h77172f079a1fcb13
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x5daa4761dff7 - std::panicking::default_hook::he5f8e3b203ccddba
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x5daa475c64d7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7a3c7b4a1ae77f2f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   11:     0x5daa475c64d7 - test::test_main::{{closure}}::hf0d3b69ae9b353d1
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x5daa4761e898 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6332e82e7b189abd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   13:     0x5daa4761e898 - std::panicking::rust_panic_with_hook::h53863d4e9018df39
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x5daa4761e65a - std::panicking::begin_panic_handler::{{closure}}::h67280e6fa0757873
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x5daa4761d249 - std::sys::backtrace::__rust_end_short_backtrace::h1dac3f54d6fbbeb2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x5daa4761e2ec - rust_begin_unwind
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x5daa47532ab0 - core::panicking::panic_fmt::h6792bd1b2bf01041
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:76:14
[INFO] [stdout]   18:     0x5daa47532eb4 - core::panicking::assert_failed_inner::hf2c17e6d30928787
[INFO] [stdout]   19:     0x5daa4756cc7a - core::panicking::assert_failed::h1286ed7983996227
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:373:5
[INFO] [stdout]   20:     0x5daa4757ab31 - comms::client::tests::stream_and_sink_separate::{{closure}}::he2c4717978c30500
[INFO] [stdout]                                at /opt/rustwide/workdir/src/client/mod.rs:442:17
[INFO] [stdout]   21:     0x5daa4754f268 - futures::future::lazy::Lazy<F,R>::get::h58e02f9e42d2cfbc
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-0.1.31/src/future/lazy.rs:64:59
[INFO] [stdout]   22:     0x5daa47550eea - <futures::future::lazy::Lazy<F,R> as futures::future::Future>::poll::h426cd17985adf1d4
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-0.1.31/src/future/lazy.rs:82:9
[INFO] [stdout]   23:     0x5daa4755c1fe - futures::task_impl::Spawn<T>::poll_future_notify::{{closure}}::h352e7fb051a79af3
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-0.1.31/src/task_impl/mod.rs:329:45
[INFO] [stdout]   24:     0x5daa4755d9b1 - futures::task_impl::Spawn<T>::enter::{{closure}}::h4ceb3ee7ff5c4ce2
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-0.1.31/src/task_impl/mod.rs:399:27
[INFO] [stdout]   25:     0x5daa4758979c - futures::task_impl::std::set::h3b377cf1eb86e008
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-0.1.31/src/task_impl/std/mod.rs:86:13
[INFO] [stdout]   26:     0x5daa4755ced1 - futures::task_impl::Spawn<T>::enter::h557e8f4addad9279
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-0.1.31/src/task_impl/mod.rs:399:9
[INFO] [stdout]   27:     0x5daa4755ba84 - futures::task_impl::Spawn<T>::poll_fn_notify::he403b59a84b7852a
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-0.1.31/src/task_impl/mod.rs:291:9
[INFO] [stdout]   28:     0x5daa4755bee7 - futures::task_impl::Spawn<T>::poll_future_notify::h0a8babd7a85f8c04
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-0.1.31/src/task_impl/mod.rs:329:9
[INFO] [stdout]   29:     0x5daa4758c627 - futures::task_impl::std::<impl futures::task_impl::Spawn<F>>::wait_future::{{closure}}::hd9e1e64a2147b978
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-0.1.31/src/task_impl/std/mod.rs:239:23
[INFO] [stdout]   30:     0x5daa475890f3 - futures::task_impl::std::ThreadNotify::with_current::{{closure}}::h62482729776fe25e
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-0.1.31/src/task_impl/std/mod.rs:486:45
[INFO] [stdout]   31:     0x5daa47552da3 - std::thread::local::LocalKey<T>::try_with::hfd55821949615371
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/local.rs:283:12
[INFO] [stdout]   32:     0x5daa475518c3 - std::thread::local::LocalKey<T>::with::hbda9b9ba37a08abf
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/local.rs:260:9
[INFO] [stdout]   33:     0x5daa47588ef4 - futures::task_impl::std::ThreadNotify::with_current::h78255b55da08f5d7
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-0.1.31/src/task_impl/std/mod.rs:486:9
[INFO] [stdout]   34:     0x5daa4755de7d - futures::task_impl::std::<impl futures::task_impl::Spawn<F>>::wait_future::h7a2fe51159932b2c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-0.1.31/src/task_impl/std/mod.rs:236:9
[INFO] [stdout]   35:     0x5daa47550e21 - futures::future::Future::wait::hd813fad4ecfa209a
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-0.1.31/src/future/mod.rs:300:9
[INFO] [stdout]   36:     0x5daa47579f15 - comms::client::tests::stream_and_sink_separate::h98b5f24c4bc77801
[INFO] [stdout]                                at /opt/rustwide/workdir/src/client/mod.rs:416:9
[INFO] [stdout]   37:     0x5daa47579d37 - comms::client::tests::stream_and_sink_separate::{{closure}}::h665c74c59d83db12
[INFO] [stdout]                                at /opt/rustwide/workdir/src/client/mod.rs:412:34
[INFO] [stdout]   38:     0x5daa4754a666 - core::ops::function::FnOnce::call_once::h19412ce9da88d0d5
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   39:     0x5daa475caffb - core::ops::function::FnOnce::call_once::h871bf86719ec9aa4
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x5daa475caffb - test::__rust_begin_short_backtrace::h2167df1e2b7d76fd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:632:18
[INFO] [stdout]   41:     0x5daa475ca9e8 - test::run_test_in_process::{{closure}}::h15d92f75a3adfb79
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:60
[INFO] [stdout]   42:     0x5daa475ca9e8 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6c8955835a8dbbb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   43:     0x5daa475ca9e8 - std::panicking::try::do_call::hc79d0fc888a0bd30
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   44:     0x5daa475ca9e8 - std::panicking::try::hb8a7878e3a8589d6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   45:     0x5daa475ca9e8 - std::panic::catch_unwind::hb8e4600ff0ff5cfa
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   46:     0x5daa475ca9e8 - test::run_test_in_process::hc2900b0b18688dd6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:27
[INFO] [stdout]   47:     0x5daa475ca9e8 - test::run_test::{{closure}}::hac2a9cb07be3d48d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:576:43
[INFO] [stdout]   48:     0x5daa4758e48a - test::run_test::{{closure}}::h4a5b729e66a38cd8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:606:41
[INFO] [stdout]   49:     0x5daa4758e48a - std::sys::backtrace::__rust_begin_short_backtrace::h0496fb742492f573
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   50:     0x5daa47591e04 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hbb6d257c550a54bd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:561:17
[INFO] [stdout]   51:     0x5daa47591e04 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h46696fe4a6832328
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   52:     0x5daa47591e04 - std::panicking::try::do_call::h2625a51b667bfb64
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   53:     0x5daa47591e04 - std::panicking::try::hb956a59a1973aa4c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   54:     0x5daa47591e04 - std::panic::catch_unwind::h64f3b9d1067ef6a0
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   55:     0x5daa47591e04 - std::thread::Builder::spawn_unchecked_::{{closure}}::h42b2841295b6c0b2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   56:     0x5daa47591e04 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6127de71b8124639
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   57:     0x5daa476227db - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h42f0ba71002a1b2c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   58:     0x5daa476227db - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::had9e47d7a3dcecb8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   59:     0x5daa476227db - std::sys::pal::unix::thread::Thread::new::thread_start::h48cf765408f6f5f2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   60:     0x7b6a8820bac3 - <unknown>
[INFO] [stdout]   61:     0x7b6a8829ca04 - clone
[INFO] [stdout]   62:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     client::tests::stream_and_sink_separate
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 21 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 11.51s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "9b0751009b7cded74eb52e0072cef9331fa045b778f04128089aa5ddb1a8f60b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b0751009b7cded74eb52e0072cef9331fa045b778f04128089aa5ddb1a8f60b", kill_on_drop: false }`
[INFO] [stdout] 9b0751009b7cded74eb52e0072cef9331fa045b778f04128089aa5ddb1a8f60b
