[INFO] fetching crate cocaine 0.9.2...
[INFO] testing cocaine-0.9.2 against 1.69.0 for beta-1.70-1
[INFO] extracting crate cocaine 0.9.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate cocaine 0.9.2 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cocaine 0.9.2
[INFO] finished tweaking crates.io crate cocaine 0.9.2
[INFO] tweaked toml for crates.io crate cocaine 0.9.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded isatty v0.1.9
[INFO] [stderr]   Downloaded crossbeam v0.2.12
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b20c5f4e29b4d6fd88d631ecca2aa30bf676453b7165a8c802a16ba4c0e0f2ce
[INFO] running `Command { std: "docker" "start" "-a" "b20c5f4e29b4d6fd88d631ecca2aa30bf676453b7165a8c802a16ba4c0e0f2ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b20c5f4e29b4d6fd88d631ecca2aa30bf676453b7165a8c802a16ba4c0e0f2ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b20c5f4e29b4d6fd88d631ecca2aa30bf676453b7165a8c802a16ba4c0e0f2ce", kill_on_drop: false }`
[INFO] [stdout] b20c5f4e29b4d6fd88d631ecca2aa30bf676453b7165a8c802a16ba4c0e0f2ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b09c130618e87c0ae66f0326243274c8d798520697503e7c05a59e16d274fb4d
[INFO] running `Command { std: "docker" "start" "-a" "b09c130618e87c0ae66f0326243274c8d798520697503e7c05a59e16d274fb4d", kill_on_drop: false }`
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[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
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[INFO] [stderr]    Compiling cocaine v0.9.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:387:1
[INFO] [stdout]     |
[INFO] [stdout] 387 | / bitflags! {
[INFO] [stdout] 388 | |     flags Shutdown: u8 {
[INFO] [stdout] 389 | |         const CLOSE_SEND = 0b0001,
[INFO] [stdout] 390 | |         const CLOSE_RECV = 0b0010,
[INFO] [stdout] 391 | |         const CLOSE_USER = 0b0100,
[INFO] [stdout] 392 | |     }
[INFO] [stdout] 393 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:387:1
[INFO] [stdout]     |
[INFO] [stdout] 387 | / bitflags! {
[INFO] [stdout] 388 | |     flags Shutdown: u8 {
[INFO] [stdout] 389 | |         const CLOSE_SEND = 0b0001,
[INFO] [stdout] 390 | |         const CLOSE_RECV = 0b0010,
[INFO] [stdout] 391 | |         const CLOSE_USER = 0b0100,
[INFO] [stdout] 392 | |     }
[INFO] [stdout] 393 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:411:77
[INFO] [stdout]     |
[INFO] [stdout] 411 |                 MultiplexError::Io(io::Error::new(err.kind(), error::Error::description(err)))
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:414:90
[INFO] [stdout]     |
[INFO] [stdout] 414 |                 MultiplexError::InvalidProtocol(io::Error::new(err.kind(), error::Error::description(err)))
[INFO] [stdout]     |                                                                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:803:68
[INFO] [stdout]     |
[INFO] [stdout] 803 |                 Error::Io(io::Error::new(err.kind(), error::Error::description(err)))
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:806:81
[INFO] [stdout]     |
[INFO] [stdout] 806 |                 Error::InvalidProtocol(io::Error::new(err.kind(), error::Error::description(err)))
[INFO] [stdout]     |                                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/logging.rs:115:37
[INFO] [stdout]     |
[INFO] [stdout] 115 |         fmt.write_str(error::Error::description(self))
[INFO] [stdout]     |                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:212:19
[INFO] [stdout]     |
[INFO] [stdout] 212 |     dispatch: Box<Dispatch>,
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 212 |     dispatch: Box<dyn Dispatch>,
[INFO] [stdout]     |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:462:34
[INFO] [stdout]     |
[INFO] [stdout] 462 |     dispatches: HashMap<u64, Box<Dispatch>>,
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 462 |     dispatches: HashMap<u64, Box<dyn Dispatch>>,
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:896:20
[INFO] [stdout]     |
[INFO] [stdout] 896 |     Connecting(Box<Future<Item=TcpStream, Error=io::Error>>),
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 896 |     Connecting(Box<dyn Future<Item=TcpStream, Error=io::Error>>),
[INFO] [stdout]     |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:188:68
[INFO] [stdout]     |
[INFO] [stdout] 188 |     fn process(self: Box<Self>, response: &Response) -> Option<Box<Dispatch>>;
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 188 |     fn process(self: Box<Self>, response: &Response) -> Option<Box<dyn Dispatch>>;
[INFO] [stdout]     |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:875:32
[INFO] [stdout]     |
[INFO] [stdout] 875 |     fn cause(&self) -> Option<&error::Error> {
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 875 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dispatch.rs:42:68
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn process(self: Box<Self>, response: &Response) -> Option<Box<Dispatch>> {
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn process(self: Box<Self>, response: &Response) -> Option<Box<dyn Dispatch>> {
[INFO] [stdout]    |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dispatch.rs:68:70
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn send(self: Box<Self>, result: Result<T, Error>) -> Option<Box<Dispatch>>
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn send(self: Box<Self>, result: Result<T, Error>) -> Option<Box<dyn Dispatch>>
[INFO] [stdout]    |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dispatch.rs:80:68
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn process(self: Box<Self>, response: &Response) -> Option<Box<Dispatch>> {
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn process(self: Box<Self>, response: &Response) -> Option<Box<dyn Dispatch>> {
[INFO] [stdout]    |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/frame.rs:28:32
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn cause(&self) -> Option<&error::Error> {
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/resolve.rs:145:23
[INFO] [stdout]     |
[INFO] [stdout] 145 |     type Future = Box<Future<Item = ResolveInfo<SocketAddr>, Error = Error>>;
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 145 |     type Future = Box<dyn Future<Item = ResolveInfo<SocketAddr>, Error = Error>>;
[INFO] [stdout]     |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/service/unicorn.rs:258:38
[INFO] [stdout]     |
[INFO] [stdout] 258 |         impl Future<Item=(Close, Box<Stream<Item=(Option<T>, Version), Error=Error> + Send + 'a>), Error=Error>
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 258 |         impl Future<Item=(Close, Box<dyn Stream<Item=(Option<T>, Version), Error=Error> + Send + 'a>), Error=Error>
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/service/unicorn.rs:290:38
[INFO] [stdout]     |
[INFO] [stdout] 290 |         impl Future<Item=(Close, Box<Stream<Item=(Version, Vec<String>), Error=Error> + Send>), Error=Error>
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 290 |         impl Future<Item=(Close, Box<dyn Stream<Item=(Version, Vec<String>), Error=Error> + Send>), Error=Error>
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/service/unicorn.rs:278:50
[INFO] [stdout]     |
[INFO] [stdout] 278 |             let stream = Box::new(stream) as Box<Stream<Item=(Option<T>, Version), Error=Error> + Send>;
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 278 |             let stream = Box::new(stream) as Box<dyn Stream<Item=(Option<T>, Version), Error=Error> + Send>;
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/service/unicorn.rs:305:50
[INFO] [stdout]     |
[INFO] [stdout] 305 |             let stream = Box::new(stream) as Box<Stream<Item=(Version, Vec<String>), Error=Error> + Send>;
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 305 |             let stream = Box::new(stream) as Box<dyn Stream<Item=(Version, Vec<String>), Error=Error> + Send>;
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `inner` is never read
[INFO] [stdout]    --> src/logging.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 159 | pub struct LoggerContext {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 162 |     inner: Arc<Inner>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `LoggerContext` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]   --> src/logging.rs:48:25
[INFO] [stdout]    |
[INFO] [stdout] 48 |                         service.call_mute(Request::from_buf(0, buf));
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless polled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]   --> src/service/app.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         self.inner.send(Request::new(0, &[data]).unwrap());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]   --> src/service/app.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         self.inner.send(Request::new(1, &((0, id), description)).unwrap());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]   --> src/service/app.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         self.inner.send(Request::new(2, &[0; 0]).unwrap());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]   --> src/service/locator.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         self.service.call(Request::new(Method::Resolve.into(), &[name]).unwrap(), dispatch);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]   --> src/service/locator.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |         self.service.call(Request::new(Method::Routing.into(), &[uuid]).unwrap(), dispatch);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]   --> src/service/tvm.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 self.service.call(Request::new(method, &(id, secret, ty, args)).unwrap(), dispatch);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]   --> src/service/unicorn.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         self.sender.send(Request::new(0, &[0; 0]).unwrap());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]    --> src/service/unicorn.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |         self.service.call(request, dispatch);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]    --> src/service/unicorn.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |         self.service.call(request, dispatch);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]    --> src/service/unicorn.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 |         self.service.call(request, dispatch);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]    --> src/service/unicorn.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 |         self.service.call(request, dispatch);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 34 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.82s
[INFO] running `Command { std: "docker" "inspect" "b09c130618e87c0ae66f0326243274c8d798520697503e7c05a59e16d274fb4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b09c130618e87c0ae66f0326243274c8d798520697503e7c05a59e16d274fb4d", kill_on_drop: false }`
[INFO] [stdout] b09c130618e87c0ae66f0326243274c8d798520697503e7c05a59e16d274fb4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d14f34b431eddb698f2731e8f5277afa1d82a2575082adb671e35e6b1bb3dbf
[INFO] running `Command { std: "docker" "start" "-a" "0d14f34b431eddb698f2731e8f5277afa1d82a2575082adb671e35e6b1bb3dbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling slog v1.7.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling isatty v0.1.9
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:387:1
[INFO] [stdout]     |
[INFO] [stdout] 387 | / bitflags! {
[INFO] [stdout] 388 | |     flags Shutdown: u8 {
[INFO] [stdout] 389 | |         const CLOSE_SEND = 0b0001,
[INFO] [stdout] 390 | |         const CLOSE_RECV = 0b0010,
[INFO] [stdout] 391 | |         const CLOSE_USER = 0b0100,
[INFO] [stdout] 392 | |     }
[INFO] [stdout] 393 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:387:1
[INFO] [stdout]     |
[INFO] [stdout] 387 | / bitflags! {
[INFO] [stdout] 388 | |     flags Shutdown: u8 {
[INFO] [stdout] 389 | |         const CLOSE_SEND = 0b0001,
[INFO] [stdout] 390 | |         const CLOSE_RECV = 0b0010,
[INFO] [stdout] 391 | |         const CLOSE_USER = 0b0100,
[INFO] [stdout] 392 | |     }
[INFO] [stdout] 393 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:411:77
[INFO] [stdout]     |
[INFO] [stdout] 411 |                 MultiplexError::Io(io::Error::new(err.kind(), error::Error::description(err)))
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:414:90
[INFO] [stdout]     |
[INFO] [stdout] 414 |                 MultiplexError::InvalidProtocol(io::Error::new(err.kind(), error::Error::description(err)))
[INFO] [stdout]     |                                                                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:803:68
[INFO] [stdout]     |
[INFO] [stdout] 803 |                 Error::Io(io::Error::new(err.kind(), error::Error::description(err)))
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:806:81
[INFO] [stdout]     |
[INFO] [stdout] 806 |                 Error::InvalidProtocol(io::Error::new(err.kind(), error::Error::description(err)))
[INFO] [stdout]     |                                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/logging.rs:115:37
[INFO] [stdout]     |
[INFO] [stdout] 115 |         fmt.write_str(error::Error::description(self))
[INFO] [stdout]     |                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:212:19
[INFO] [stdout]     |
[INFO] [stdout] 212 |     dispatch: Box<Dispatch>,
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 212 |     dispatch: Box<dyn Dispatch>,
[INFO] [stdout]     |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:462:34
[INFO] [stdout]     |
[INFO] [stdout] 462 |     dispatches: HashMap<u64, Box<Dispatch>>,
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 462 |     dispatches: HashMap<u64, Box<dyn Dispatch>>,
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:896:20
[INFO] [stdout]     |
[INFO] [stdout] 896 |     Connecting(Box<Future<Item=TcpStream, Error=io::Error>>),
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 896 |     Connecting(Box<dyn Future<Item=TcpStream, Error=io::Error>>),
[INFO] [stdout]     |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:188:68
[INFO] [stdout]     |
[INFO] [stdout] 188 |     fn process(self: Box<Self>, response: &Response) -> Option<Box<Dispatch>>;
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 188 |     fn process(self: Box<Self>, response: &Response) -> Option<Box<dyn Dispatch>>;
[INFO] [stdout]     |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:875:32
[INFO] [stdout]     |
[INFO] [stdout] 875 |     fn cause(&self) -> Option<&error::Error> {
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 875 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dispatch.rs:42:68
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn process(self: Box<Self>, response: &Response) -> Option<Box<Dispatch>> {
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn process(self: Box<Self>, response: &Response) -> Option<Box<dyn Dispatch>> {
[INFO] [stdout]    |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dispatch.rs:68:70
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn send(self: Box<Self>, result: Result<T, Error>) -> Option<Box<Dispatch>>
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn send(self: Box<Self>, result: Result<T, Error>) -> Option<Box<dyn Dispatch>>
[INFO] [stdout]    |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dispatch.rs:80:68
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn process(self: Box<Self>, response: &Response) -> Option<Box<Dispatch>> {
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn process(self: Box<Self>, response: &Response) -> Option<Box<dyn Dispatch>> {
[INFO] [stdout]    |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/frame.rs:28:32
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn cause(&self) -> Option<&error::Error> {
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/resolve.rs:145:23
[INFO] [stdout]     |
[INFO] [stdout] 145 |     type Future = Box<Future<Item = ResolveInfo<SocketAddr>, Error = Error>>;
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 145 |     type Future = Box<dyn Future<Item = ResolveInfo<SocketAddr>, Error = Error>>;
[INFO] [stdout]     |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/service/unicorn.rs:258:38
[INFO] [stdout]     |
[INFO] [stdout] 258 |         impl Future<Item=(Close, Box<Stream<Item=(Option<T>, Version), Error=Error> + Send + 'a>), Error=Error>
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 258 |         impl Future<Item=(Close, Box<dyn Stream<Item=(Option<T>, Version), Error=Error> + Send + 'a>), Error=Error>
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/service/unicorn.rs:290:38
[INFO] [stdout]     |
[INFO] [stdout] 290 |         impl Future<Item=(Close, Box<Stream<Item=(Version, Vec<String>), Error=Error> + Send>), Error=Error>
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 290 |         impl Future<Item=(Close, Box<dyn Stream<Item=(Version, Vec<String>), Error=Error> + Send>), Error=Error>
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/service/unicorn.rs:278:50
[INFO] [stdout]     |
[INFO] [stdout] 278 |             let stream = Box::new(stream) as Box<Stream<Item=(Option<T>, Version), Error=Error> + Send>;
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 278 |             let stream = Box::new(stream) as Box<dyn Stream<Item=(Option<T>, Version), Error=Error> + Send>;
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/service/unicorn.rs:305:50
[INFO] [stdout]     |
[INFO] [stdout] 305 |             let stream = Box::new(stream) as Box<Stream<Item=(Version, Vec<String>), Error=Error> + Send>;
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 305 |             let stream = Box::new(stream) as Box<dyn Stream<Item=(Version, Vec<String>), Error=Error> + Send>;
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `inner` is never read
[INFO] [stdout]    --> src/logging.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 159 | pub struct LoggerContext {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 162 |     inner: Arc<Inner>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `LoggerContext` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]   --> src/logging.rs:48:25
[INFO] [stdout]    |
[INFO] [stdout] 48 |                         service.call_mute(Request::from_buf(0, buf));
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless polled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]   --> src/service/app.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         self.inner.send(Request::new(0, &[data]).unwrap());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]   --> src/service/app.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         self.inner.send(Request::new(1, &((0, id), description)).unwrap());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]   --> src/service/app.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         self.inner.send(Request::new(2, &[0; 0]).unwrap());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]   --> src/service/locator.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         self.service.call(Request::new(Method::Resolve.into(), &[name]).unwrap(), dispatch);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]   --> src/service/locator.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |         self.service.call(Request::new(Method::Routing.into(), &[uuid]).unwrap(), dispatch);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]   --> src/service/tvm.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 self.service.call(Request::new(method, &(id, secret, ty, args)).unwrap(), dispatch);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]   --> src/service/unicorn.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         self.sender.send(Request::new(0, &[0; 0]).unwrap());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]    --> src/service/unicorn.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |         self.service.call(request, dispatch);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]    --> src/service/unicorn.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |         self.service.call(request, dispatch);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]    --> src/service/unicorn.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 |         self.service.call(request, dispatch);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]    --> src/service/unicorn.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 |         self.service.call(request, dispatch);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 34 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling slog-extra v0.1.2
[INFO] [stderr]    Compiling slog-stream v1.2.1
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling slog-term v1.5.0
[INFO] [stderr]    Compiling slog-stdlog v1.1.0
[INFO] [stderr]    Compiling slog-envlogger v0.5.0
[INFO] [stderr]    Compiling cocaine v0.9.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/service.rs:24:68
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn process(self: Box<Self>, response: &Response) -> Option<Box<Dispatch>> {
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn process(self: Box<Self>, response: &Response) -> Option<Box<dyn Dispatch>> {
[INFO] [stdout]    |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/service.rs:128:73
[INFO] [stdout]     |
[INFO] [stdout] 128 |         fn process(self: Box<Self>, _response: &Response) -> Option<Box<Dispatch>> {
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 128 |         fn process(self: Box<Self>, _response: &Response) -> Option<Box<dyn Dispatch>> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> tests/service.rs:73:14
[INFO] [stdout]    |
[INFO] [stdout] 73 |         sock.set_linger(None).unwrap();
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `net2::TcpStreamExt::set_linger(...)` to keep using the current method
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> tests/service.rs:106:14
[INFO] [stdout]     |
[INFO] [stdout] 106 |         sock.set_linger(None).unwrap();
[INFO] [stdout]     |              ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `net2::TcpStreamExt::set_linger(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cpu`, `mem`, and `net` are never read
[INFO] [stdout]   --> examples/unicorn.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Resource {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 13 |     cpu: i64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 14 |     mem: i64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 15 |     net: i64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Resource` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:387:1
[INFO] [stdout]     |
[INFO] [stdout] 387 | / bitflags! {
[INFO] [stdout] 388 | |     flags Shutdown: u8 {
[INFO] [stdout] 389 | |         const CLOSE_SEND = 0b0001,
[INFO] [stdout] 390 | |         const CLOSE_RECV = 0b0010,
[INFO] [stdout] 391 | |         const CLOSE_USER = 0b0100,
[INFO] [stdout] 392 | |     }
[INFO] [stdout] 393 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:387:1
[INFO] [stdout]     |
[INFO] [stdout] 387 | / bitflags! {
[INFO] [stdout] 388 | |     flags Shutdown: u8 {
[INFO] [stdout] 389 | |         const CLOSE_SEND = 0b0001,
[INFO] [stdout] 390 | |         const CLOSE_RECV = 0b0010,
[INFO] [stdout] 391 | |         const CLOSE_USER = 0b0100,
[INFO] [stdout] 392 | |     }
[INFO] [stdout] 393 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:411:77
[INFO] [stdout]     |
[INFO] [stdout] 411 |                 MultiplexError::Io(io::Error::new(err.kind(), error::Error::description(err)))
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:414:90
[INFO] [stdout]     |
[INFO] [stdout] 414 |                 MultiplexError::InvalidProtocol(io::Error::new(err.kind(), error::Error::description(err)))
[INFO] [stdout]     |                                                                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:803:68
[INFO] [stdout]     |
[INFO] [stdout] 803 |                 Error::Io(io::Error::new(err.kind(), error::Error::description(err)))
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:806:81
[INFO] [stdout]     |
[INFO] [stdout] 806 |                 Error::InvalidProtocol(io::Error::new(err.kind(), error::Error::description(err)))
[INFO] [stdout]     |                                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/logging.rs:115:37
[INFO] [stdout]     |
[INFO] [stdout] 115 |         fmt.write_str(error::Error::description(self))
[INFO] [stdout]     |                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:212:19
[INFO] [stdout]     |
[INFO] [stdout] 212 |     dispatch: Box<Dispatch>,
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 212 |     dispatch: Box<dyn Dispatch>,
[INFO] [stdout]     |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:462:34
[INFO] [stdout]     |
[INFO] [stdout] 462 |     dispatches: HashMap<u64, Box<Dispatch>>,
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 462 |     dispatches: HashMap<u64, Box<dyn Dispatch>>,
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:896:20
[INFO] [stdout]     |
[INFO] [stdout] 896 |     Connecting(Box<Future<Item=TcpStream, Error=io::Error>>),
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 896 |     Connecting(Box<dyn Future<Item=TcpStream, Error=io::Error>>),
[INFO] [stdout]     |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:188:68
[INFO] [stdout]     |
[INFO] [stdout] 188 |     fn process(self: Box<Self>, response: &Response) -> Option<Box<Dispatch>>;
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 188 |     fn process(self: Box<Self>, response: &Response) -> Option<Box<dyn Dispatch>>;
[INFO] [stdout]     |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:875:32
[INFO] [stdout]     |
[INFO] [stdout] 875 |     fn cause(&self) -> Option<&error::Error> {
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 875 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dispatch.rs:42:68
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn process(self: Box<Self>, response: &Response) -> Option<Box<Dispatch>> {
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn process(self: Box<Self>, response: &Response) -> Option<Box<dyn Dispatch>> {
[INFO] [stdout]    |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dispatch.rs:68:70
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn send(self: Box<Self>, result: Result<T, Error>) -> Option<Box<Dispatch>>
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn send(self: Box<Self>, result: Result<T, Error>) -> Option<Box<dyn Dispatch>>
[INFO] [stdout]    |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dispatch.rs:80:68
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn process(self: Box<Self>, response: &Response) -> Option<Box<Dispatch>> {
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn process(self: Box<Self>, response: &Response) -> Option<Box<dyn Dispatch>> {
[INFO] [stdout]    |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/frame.rs:28:32
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn cause(&self) -> Option<&error::Error> {
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/resolve.rs:145:23
[INFO] [stdout]     |
[INFO] [stdout] 145 |     type Future = Box<Future<Item = ResolveInfo<SocketAddr>, Error = Error>>;
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 145 |     type Future = Box<dyn Future<Item = ResolveInfo<SocketAddr>, Error = Error>>;
[INFO] [stdout]     |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/service/unicorn.rs:258:38
[INFO] [stdout]     |
[INFO] [stdout] 258 |         impl Future<Item=(Close, Box<Stream<Item=(Option<T>, Version), Error=Error> + Send + 'a>), Error=Error>
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 258 |         impl Future<Item=(Close, Box<dyn Stream<Item=(Option<T>, Version), Error=Error> + Send + 'a>), Error=Error>
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/service/unicorn.rs:290:38
[INFO] [stdout]     |
[INFO] [stdout] 290 |         impl Future<Item=(Close, Box<Stream<Item=(Version, Vec<String>), Error=Error> + Send>), Error=Error>
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 290 |         impl Future<Item=(Close, Box<dyn Stream<Item=(Version, Vec<String>), Error=Error> + Send>), Error=Error>
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/service/unicorn.rs:278:50
[INFO] [stdout]     |
[INFO] [stdout] 278 |             let stream = Box::new(stream) as Box<Stream<Item=(Option<T>, Version), Error=Error> + Send>;
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 278 |             let stream = Box::new(stream) as Box<dyn Stream<Item=(Option<T>, Version), Error=Error> + Send>;
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/service/unicorn.rs:305:50
[INFO] [stdout]     |
[INFO] [stdout] 305 |             let stream = Box::new(stream) as Box<Stream<Item=(Version, Vec<String>), Error=Error> + Send>;
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 305 |             let stream = Box::new(stream) as Box<dyn Stream<Item=(Version, Vec<String>), Error=Error> + Send>;
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `inner` is never read
[INFO] [stdout]    --> src/logging.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 159 | pub struct LoggerContext {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 162 |     inner: Arc<Inner>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `LoggerContext` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]   --> src/logging.rs:48:25
[INFO] [stdout]    |
[INFO] [stdout] 48 |                         service.call_mute(Request::from_buf(0, buf));
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless polled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]   --> src/service/app.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         self.inner.send(Request::new(0, &[data]).unwrap());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]   --> src/service/app.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         self.inner.send(Request::new(1, &((0, id), description)).unwrap());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]   --> src/service/app.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         self.inner.send(Request::new(2, &[0; 0]).unwrap());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]   --> src/service/locator.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         self.service.call(Request::new(Method::Resolve.into(), &[name]).unwrap(), dispatch);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]   --> src/service/locator.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |         self.service.call(Request::new(Method::Routing.into(), &[uuid]).unwrap(), dispatch);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]   --> src/service/tvm.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 self.service.call(Request::new(method, &(id, secret, ty, args)).unwrap(), dispatch);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]   --> src/service/unicorn.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         self.sender.send(Request::new(0, &[0; 0]).unwrap());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]    --> src/service/unicorn.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |         self.service.call(request, dispatch);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]    --> src/service/unicorn.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |         self.service.call(request, dispatch);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]    --> src/service/unicorn.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 |         self.service.call(request, dispatch);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]    --> src/service/unicorn.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 |         self.service.call(request, dispatch);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: futures do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 34 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.95s
[INFO] running `Command { std: "docker" "inspect" "0d14f34b431eddb698f2731e8f5277afa1d82a2575082adb671e35e6b1bb3dbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d14f34b431eddb698f2731e8f5277afa1d82a2575082adb671e35e6b1bb3dbf", kill_on_drop: false }`
[INFO] [stdout] 0d14f34b431eddb698f2731e8f5277afa1d82a2575082adb671e35e6b1bb3dbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bab0f2f88b81b3ca99fd7c66680b63296321fabd3056c2055715e5103d36e346
[INFO] running `Command { std: "docker" "start" "-a" "bab0f2f88b81b3ca99fd7c66680b63296321fabd3056c2055715e5103d36e346", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:387:1
[INFO] [stderr]     |
[INFO] [stderr] 387 | / bitflags! {
[INFO] [stderr] 388 | |     flags Shutdown: u8 {
[INFO] [stderr] 389 | |         const CLOSE_SEND = 0b0001,
[INFO] [stderr] 390 | |         const CLOSE_RECV = 0b0010,
[INFO] [stderr] 391 | |         const CLOSE_USER = 0b0100,
[INFO] [stderr] 392 | |     }
[INFO] [stderr] 393 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:387:1
[INFO] [stderr]     |
[INFO] [stderr] 387 | / bitflags! {
[INFO] [stderr] 388 | |     flags Shutdown: u8 {
[INFO] [stderr] 389 | |         const CLOSE_SEND = 0b0001,
[INFO] [stderr] 390 | |         const CLOSE_RECV = 0b0010,
[INFO] [stderr] 391 | |         const CLOSE_USER = 0b0100,
[INFO] [stderr] 392 | |     }
[INFO] [stderr] 393 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:411:77
[INFO] [stderr]     |
[INFO] [stderr] 411 |                 MultiplexError::Io(io::Error::new(err.kind(), error::Error::description(err)))
[INFO] [stderr]     |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:414:90
[INFO] [stderr]     |
[INFO] [stderr] 414 |                 MultiplexError::InvalidProtocol(io::Error::new(err.kind(), error::Error::description(err)))
[INFO] [stderr]     |                                                                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:803:68
[INFO] [stderr]     |
[INFO] [stderr] 803 |                 Error::Io(io::Error::new(err.kind(), error::Error::description(err)))
[INFO] [stderr]     |                                                                    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:806:81
[INFO] [stderr]     |
[INFO] [stderr] 806 |                 Error::InvalidProtocol(io::Error::new(err.kind(), error::Error::description(err)))
[INFO] [stderr]     |                                                                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/logging.rs:115:37
[INFO] [stderr]     |
[INFO] [stderr] 115 |         fmt.write_str(error::Error::description(self))
[INFO] [stderr]     |                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:212:19
[INFO] [stderr]     |
[INFO] [stderr] 212 |     dispatch: Box<Dispatch>,
[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: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 212 |     dispatch: Box<dyn Dispatch>,
[INFO] [stderr]     |                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:462:34
[INFO] [stderr]     |
[INFO] [stderr] 462 |     dispatches: HashMap<u64, Box<Dispatch>>,
[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: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 462 |     dispatches: HashMap<u64, Box<dyn Dispatch>>,
[INFO] [stderr]     |                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:896:20
[INFO] [stderr]     |
[INFO] [stderr] 896 |     Connecting(Box<Future<Item=TcpStream, Error=io::Error>>),
[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: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 896 |     Connecting(Box<dyn Future<Item=TcpStream, Error=io::Error>>),
[INFO] [stderr]     |                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:188:68
[INFO] [stderr]     |
[INFO] [stderr] 188 |     fn process(self: Box<Self>, response: &Response) -> Option<Box<Dispatch>>;
[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: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 188 |     fn process(self: Box<Self>, response: &Response) -> Option<Box<dyn Dispatch>>;
[INFO] [stderr]     |                                                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:875:32
[INFO] [stderr]     |
[INFO] [stderr] 875 |     fn cause(&self) -> Option<&error::Error> {
[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: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 875 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stderr]     |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/dispatch.rs:42:68
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn process(self: Box<Self>, response: &Response) -> Option<Box<Dispatch>> {
[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: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn process(self: Box<Self>, response: &Response) -> Option<Box<dyn Dispatch>> {
[INFO] [stderr]    |                                                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/dispatch.rs:68:70
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn send(self: Box<Self>, result: Result<T, Error>) -> Option<Box<Dispatch>>
[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: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn send(self: Box<Self>, result: Result<T, Error>) -> Option<Box<dyn Dispatch>>
[INFO] [stderr]    |                                                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/dispatch.rs:80:68
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn process(self: Box<Self>, response: &Response) -> Option<Box<Dispatch>> {
[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: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn process(self: Box<Self>, response: &Response) -> Option<Box<dyn Dispatch>> {
[INFO] [stderr]    |                                                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/frame.rs:28:32
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn cause(&self) -> Option<&error::Error> {
[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: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stderr]    |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/resolve.rs:145:23
[INFO] [stderr]     |
[INFO] [stderr] 145 |     type Future = Box<Future<Item = ResolveInfo<SocketAddr>, Error = Error>>;
[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: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 145 |     type Future = Box<dyn Future<Item = ResolveInfo<SocketAddr>, Error = Error>>;
[INFO] [stderr]     |                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/service/unicorn.rs:258:38
[INFO] [stderr]     |
[INFO] [stderr] 258 |         impl Future<Item=(Close, Box<Stream<Item=(Option<T>, Version), Error=Error> + Send + 'a>), Error=Error>
[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: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 258 |         impl Future<Item=(Close, Box<dyn Stream<Item=(Option<T>, Version), Error=Error> + Send + 'a>), Error=Error>
[INFO] [stderr]     |                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/service/unicorn.rs:290:38
[INFO] [stderr]     |
[INFO] [stderr] 290 |         impl Future<Item=(Close, Box<Stream<Item=(Version, Vec<String>), Error=Error> + Send>), Error=Error>
[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: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 290 |         impl Future<Item=(Close, Box<dyn Stream<Item=(Version, Vec<String>), Error=Error> + Send>), Error=Error>
[INFO] [stderr]     |                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/service/unicorn.rs:278:50
[INFO] [stderr]     |
[INFO] [stderr] 278 |             let stream = Box::new(stream) as Box<Stream<Item=(Option<T>, Version), Error=Error> + Send>;
[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: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 278 |             let stream = Box::new(stream) as Box<dyn Stream<Item=(Option<T>, Version), Error=Error> + Send>;
[INFO] [stderr]     |                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/service/unicorn.rs:305:50
[INFO] [stderr]     |
[INFO] [stderr] 305 |             let stream = Box::new(stream) as Box<Stream<Item=(Version, Vec<String>), Error=Error> + Send>;
[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: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 305 |             let stream = Box::new(stream) as Box<dyn Stream<Item=(Version, Vec<String>), Error=Error> + Send>;
[INFO] [stderr]     |                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: field `inner` is never read
[INFO] [stderr]    --> src/logging.rs:162:5
[INFO] [stderr]     |
[INFO] [stderr] 159 | pub struct LoggerContext {
[INFO] [stderr]     |            ------------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 162 |     inner: Arc<Inner>,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `LoggerContext` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused implementer of `futures::Future` that must be used
[INFO] [stderr]   --> src/logging.rs:48:25
[INFO] [stderr]    |
[INFO] [stderr] 48 |                         service.call_mute(Request::from_buf(0, buf));
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: futures do nothing unless polled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused implementer of `futures::Future` that must be used
[INFO] [stderr]   --> src/service/app.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         self.inner.send(Request::new(0, &[data]).unwrap());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: futures do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused implementer of `futures::Future` that must be used
[INFO] [stderr]   --> src/service/app.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |         self.inner.send(Request::new(1, &((0, id), description)).unwrap());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: futures do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused implementer of `futures::Future` that must be used
[INFO] [stderr]   --> src/service/app.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         self.inner.send(Request::new(2, &[0; 0]).unwrap());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: futures do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused implementer of `futures::Future` that must be used
[INFO] [stderr]   --> src/service/locator.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |         self.service.call(Request::new(Method::Resolve.into(), &[name]).unwrap(), dispatch);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: futures do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused implementer of `futures::Future` that must be used
[INFO] [stderr]   --> src/service/locator.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |         self.service.call(Request::new(Method::Routing.into(), &[uuid]).unwrap(), dispatch);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: futures do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused implementer of `futures::Future` that must be used
[INFO] [stderr]   --> src/service/tvm.rs:67:17
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 self.service.call(Request::new(method, &(id, secret, ty, args)).unwrap(), dispatch);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: futures do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused implementer of `futures::Future` that must be used
[INFO] [stderr]   --> src/service/unicorn.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         self.sender.send(Request::new(0, &[0; 0]).unwrap());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: futures do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused implementer of `futures::Future` that must be used
[INFO] [stderr]    --> src/service/unicorn.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 |         self.service.call(request, dispatch);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: futures do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused implementer of `futures::Future` that must be used
[INFO] [stderr]    --> src/service/unicorn.rs:161:9
[INFO] [stderr]     |
[INFO] [stderr] 161 |         self.service.call(request, dispatch);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: futures do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused implementer of `futures::Future` that must be used
[INFO] [stderr]    --> src/service/unicorn.rs:197:9
[INFO] [stderr]     |
[INFO] [stderr] 197 |         self.service.call(request, dispatch);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: futures do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused implementer of `futures::Future` that must be used
[INFO] [stderr]    --> src/service/unicorn.rs:235:9
[INFO] [stderr]     |
[INFO] [stderr] 235 |         self.service.call(request, dispatch);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: futures do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: `cocaine` (lib) generated 34 warnings (run `cargo fix --lib -p cocaine` to apply 14 suggestions)
[INFO] [stderr] warning: `cocaine` (lib test) generated 34 warnings (34 duplicates)
[INFO] [stderr] warning: fields `cpu`, `mem`, and `net` are never read
[INFO] [stderr]   --> examples/unicorn.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct Resource {
[INFO] [stderr]    |        -------- fields in this struct
[INFO] [stderr] 13 |     cpu: i64,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 14 |     mem: i64,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 15 |     net: i64,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Resource` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/service.rs:24:68
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn process(self: Box<Self>, response: &Response) -> Option<Box<Dispatch>> {
[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: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn process(self: Box<Self>, response: &Response) -> Option<Box<dyn Dispatch>> {
[INFO] [stderr]    |                                                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/service.rs:128:73
[INFO] [stderr]     |
[INFO] [stderr] 128 |         fn process(self: Box<Self>, _response: &Response) -> Option<Box<Dispatch>> {
[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: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 128 |         fn process(self: Box<Self>, _response: &Response) -> Option<Box<dyn Dispatch>> {
[INFO] [stderr]     |                                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]   --> tests/service.rs:73:14
[INFO] [stderr]    |
[INFO] [stderr] 73 |         sock.set_linger(None).unwrap();
[INFO] [stderr]    |              ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]    = help: call with fully qualified syntax `net2::TcpStreamExt::set_linger(...)` to keep using the current method
[INFO] [stderr]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> tests/service.rs:106:14
[INFO] [stderr]     |
[INFO] [stderr] 106 |         sock.set_linger(None).unwrap();
[INFO] [stderr]     |              ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `net2::TcpStreamExt::set_linger(...)` to keep using the current method
[INFO] [stderr] 
[INFO] [stderr] warning: `cocaine` (example "unicorn") generated 1 warning
[INFO] [stderr] warning: `cocaine` (example "service") generated 1 warning (run `cargo fix --example "service"` to apply 1 suggestion)
[INFO] [stderr] warning: `cocaine` (test "service") generated 3 warnings (run `cargo fix --test "service"` to apply 1 suggestion)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cocaine-ac82852877b6f40e)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test frame::test::pass ... ok
[INFO] [stdout] test logging::tests::test_macro_with_args ... ok
[INFO] [stdout] test logging::tests::test_macro_with_attribute ... ok
[INFO] [stdout] test logging::tests::test_macro_without_args ... ok
[INFO] [stdout] test logging::tests::test_macro_with_args_and_attributes ... ok
[INFO] [stdout] test logging::tests::test_macro_with_attributes ... ok
[INFO] [stdout] test resolve::test::fixed_resolver_default_addrs ... ok
[INFO] [stdout] test resolve::test::fixed_resolver_saves_addrs ... ok
[INFO] [stdout] test frame::test::fail_invalid_chan_type - should panic ... ok
[INFO] [stdout] test frame::test::fail_invalid_type_type - should panic ... ok
[INFO] [stdout] test net::connect::tests::test_connection_refused ... ok
[INFO] [stdout] test frame::test::fail_invalid_frame_type - should panic ... ok
[INFO] [stdout] test net::connect::tests::test_connect ... ok
[INFO] [stdout] test net::connect::tests::test_connect_multi ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/service.rs (/opt/rustwide/target/debug/deps/service-e1b7f7f3322465e3)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test connect ... ok
[INFO] [stdout] test connection_refused ... ok
[INFO] [stdout] test connection_refused_because_invalid_framing ... ok
[INFO] [stdout] test dispatch_receives_rst ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cocaine
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test src/lib.rs - (line 23) - compile ... ok
[INFO] [stdout] test src/resolve.rs - resolve::Resolver (line 122) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 42) - compile ... ok
[INFO] [stdout] test src/service/unicorn.rs - service::unicorn::Unicorn::create (line 101) - compile ... ok
[INFO] [stdout] test src/logging.rs - logging::cocaine_log (line 371) - compile ... ok
[INFO] [stdout] test src/logging.rs - logging::cocaine_log (line 354) - compile ... ok
[INFO] [stdout] test src/service/locator.rs - service::locator::Locator::resolve (line 48) - compile ... ok
[INFO] [stdout] test src/service/storage.rs - service::storage::Storage::write (line 60) - compile ... ok
[INFO] [stdout] test src/service/storage.rs - service::storage::Storage::read (line 31) - compile ... ok
[INFO] [stdout] test src/service/unicorn.rs - service::unicorn::Unicorn::del (line 176) - compile ... ok
[INFO] [stdout] test src/service/unicorn.rs - service::unicorn::Unicorn::put (line 139) - compile ... ok
[INFO] [stdout] test src/service/unicorn.rs - service::unicorn::Unicorn::get (line 212) - compile ... ok
[INFO] [stdout] test src/response.rs - response::Response<'a,'b>::deserialize (line 71) ... ok
[INFO] [stdout] test src/request.rs - request::Request (line 16) ... ok
[INFO] [stdout] test src/service/mod.rs - service::ServiceBuilder<T>::resolver (line 176) ... ok
[INFO] [stdout] test src/service/mod.rs - service::ServiceBuilder (line 82) ... ok
[INFO] [stdout] test src/lib.rs - Service::new (line 1301) ... ok
[INFO] [stdout] test src/logging.rs - logging::LoggerContext::new (line 178) ... ok
[INFO] [stdout] test src/service/mod.rs - service::ServiceBuilder<ResolverBuilder>::locator_addrs (line 124) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bab0f2f88b81b3ca99fd7c66680b63296321fabd3056c2055715e5103d36e346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bab0f2f88b81b3ca99fd7c66680b63296321fabd3056c2055715e5103d36e346", kill_on_drop: false }`
[INFO] [stdout] bab0f2f88b81b3ca99fd7c66680b63296321fabd3056c2055715e5103d36e346
