[INFO] fetching crate tarpc-lib 0.7.0...
[INFO] testing tarpc-lib-0.7.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate tarpc-lib 0.7.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate tarpc-lib 0.7.0
[INFO] finished tweaking crates.io crate tarpc-lib 0.7.0
[INFO] tweaked toml for crates.io crate tarpc-lib 0.7.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tarpc-lib 0.7.0 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 60 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.6.2 (available: v0.11.10)
[INFO] [stderr]       Adding humantime v1.3.0 (available: v2.3.0)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.10.1)
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.52.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a1ef5170a02e94702376c09f4b92a063fd08d1b8ffc8b00ab1348c2be9d3256
[INFO] running `Command { std: "docker" "start" "-a" "7a1ef5170a02e94702376c09f4b92a063fd08d1b8ffc8b00ab1348c2be9d3256", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a1ef5170a02e94702376c09f4b92a063fd08d1b8ffc8b00ab1348c2be9d3256", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a1ef5170a02e94702376c09f4b92a063fd08d1b8ffc8b00ab1348c2be9d3256", kill_on_drop: false }`
[INFO] [stdout] 7a1ef5170a02e94702376c09f4b92a063fd08d1b8ffc8b00ab1348c2be9d3256
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92fe885ed5696f0566bc1ac23d5aa02b280b580962ff7aa8f847820f967cb520
[INFO] running `Command { std: "docker" "start" "-a" "92fe885ed5696f0566bc1ac23d5aa02b280b580962ff7aa8f847820f967cb520", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling tokio-sync v0.2.0-alpha.6
[INFO] [stderr]    Compiling tokio-executor v0.2.0-alpha.6
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling tokio-timer v0.3.0-alpha.6
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tarpc-trace v0.3.0
[INFO] [stderr]    Compiling tarpc-lib v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `non_exhaustive` has been stable since 1.40.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:7:25
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(weak_counts, non_exhaustive, trait_alias)]
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `weak_counts` has been stable since 1.41.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(weak_counts, non_exhaustive, trait_alias)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ctx` is never read
[INFO] [stdout]    --> src/client/channel.rs:161:5
[INFO] [stdout]     |
[INFO] [stdout] 159 | struct DispatchResponse<Resp> {
[INFO] [stdout]     |        ---------------- field in this struct
[INFO] [stdout] 160 |     response: Timeout<oneshot::Receiver<Response<Resp>>>,
[INFO] [stdout] 161 |     ctx: context::Context,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DispatchResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tracker` is never read
[INFO] [stdout]   --> src/server/filter.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct TrackedChannel<C, K> {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 44 |     inner: C,
[INFO] [stdout] 45 |     tracker: Arc<Tracker<K>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TrackedChannel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/client/channel.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn send(&mut self, mut ctx: context::Context, request: Req) -> Send<Req, Resp> {
[INFO] [stdout]     |             ^^^^^^^^^ the lifetime is elided here                  ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn send(&mut self, mut ctx: context::Context, request: Req) -> Send<'_, Req, Resp> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/client/channel.rs:149:17
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn call(&mut self, context: context::Context, request: Req) -> Call<Req, Resp> {
[INFO] [stdout]     |                 ^^^^^^^^^ the lifetime is elided here                  ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn call(&mut self, context: context::Context, request: Req) -> Call<'_, Req, Resp> {
[INFO] [stdout]     |                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.22s
[INFO] running `Command { std: "docker" "inspect" "92fe885ed5696f0566bc1ac23d5aa02b280b580962ff7aa8f847820f967cb520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92fe885ed5696f0566bc1ac23d5aa02b280b580962ff7aa8f847820f967cb520", kill_on_drop: false }`
[INFO] [stdout] 92fe885ed5696f0566bc1ac23d5aa02b280b580962ff7aa8f847820f967cb520
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f3bc434f608030259c19615936de87a8987d92da0816847f18a19347a0152c7
[INFO] running `Command { std: "docker" "start" "-a" "3f3bc434f608030259c19615936de87a8987d92da0816847f18a19347a0152c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling futures-test-preview v0.3.0-alpha.19
[INFO] [stdout] warning: the feature `non_exhaustive` has been stable since 1.40.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:7:25
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(weak_counts, non_exhaustive, trait_alias)]
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `weak_counts` has been stable since 1.41.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(weak_counts, non_exhaustive, trait_alias)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ctx` is never read
[INFO] [stdout]    --> src/client/channel.rs:161:5
[INFO] [stdout]     |
[INFO] [stdout] 159 | struct DispatchResponse<Resp> {
[INFO] [stdout]     |        ---------------- field in this struct
[INFO] [stdout] 160 |     response: Timeout<oneshot::Receiver<Response<Resp>>>,
[INFO] [stdout] 161 |     ctx: context::Context,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DispatchResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tracker` is never read
[INFO] [stdout]   --> src/server/filter.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct TrackedChannel<C, K> {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 44 |     inner: C,
[INFO] [stdout] 45 |     tracker: Arc<Tracker<K>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TrackedChannel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/client/channel.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn send(&mut self, mut ctx: context::Context, request: Req) -> Send<Req, Resp> {
[INFO] [stdout]     |             ^^^^^^^^^ the lifetime is elided here                  ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn send(&mut self, mut ctx: context::Context, request: Req) -> Send<'_, Req, Resp> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/client/channel.rs:149:17
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn call(&mut self, context: context::Context, request: Req) -> Call<Req, Resp> {
[INFO] [stdout]     |                 ^^^^^^^^^ the lifetime is elided here                  ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn call(&mut self, context: context::Context, request: Req) -> Call<'_, Req, Resp> {
[INFO] [stdout]     |                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling tarpc-lib v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find module or crate `tokio` in this scope
[INFO] [stdout]    --> src/client/channel.rs:736:9
[INFO] [stdout]     |
[INFO] [stdout] 736 |     use tokio::runtime::current_thread;
[INFO] [stdout]     |         ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `tokio`, use `cargo add tokio` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `tokio` in this scope
[INFO] [stdout]   --> src/transport/channel.rs:90:7
[INFO] [stdout]    |
[INFO] [stdout] 90 |     #[tokio::test]
[INFO] [stdout]    |       ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Handler`
[INFO] [stdout]   --> src/transport/channel.rs:82:18
[INFO] [stdout]    |
[INFO] [stdout] 82 |         server::{Handler, Server},
[INFO] [stdout]    |                  ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `non_exhaustive` has been stable since 1.40.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:7:25
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(weak_counts, non_exhaustive, trait_alias)]
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `weak_counts` has been stable since 1.41.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(weak_counts, non_exhaustive, trait_alias)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `tokio` in this scope
[INFO] [stdout]   --> src/transport/channel.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         tokio::spawn(
[INFO] [stdout]    |         ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `tokio`, use `cargo add tokio` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `respond_with` found for opaque type `impl Stream<Item = BaseChannel<_, _, UnboundedChannel<..., ...>>>` in the current scope
[INFO] [stdout]    --> src/transport/channel.rs:98:18
[INFO] [stdout]     |
[INFO] [stdout]  96 | /             Server::default()
[INFO] [stdout]  97 | |                 .incoming(stream::once(future::ready(server_channel)))
[INFO] [stdout]  98 | |                 .respond_with(|_ctx, request: String| {
[INFO] [stdout]     | |                 -^^^^^^^^^^^^ method not found in `impl Stream<Item = BaseChannel<_, _, UnboundedChannel<..., ...>>>`
[INFO] [stdout]     | |_________________|
[INFO] [stdout]     |
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout] note: `server::Channel` defines an item `respond_with`, perhaps you need to implement it
[INFO] [stdout]    --> src/server/mod.rs:243:1
[INFO] [stdout]     |
[INFO] [stdout] 243 | pub trait Channel
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/tarpc_lib-fb9b9e73dc18d896.long-type-7936626825519699629.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `spawn` found for struct `NewClient<C, D>` in the current scope
[INFO] [stdout]    --> src/transport/channel.rs:108:81
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let mut client = client::new(client::Config::default(), client_channel).spawn()?;
[INFO] [stdout]     |                                                                                 ^^^^^ method not found in `NewClient<Channel<_, _>, RequestDispatch<_, _, ...>>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/client/mod.rs:131:1
[INFO] [stdout]     |
[INFO] [stdout] 131 | pub struct NewClient<C, D> {
[INFO] [stdout]     | -------------------------- method `spawn` not found for this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following traits define an item `spawn`, perhaps you need to implement one of them:
[INFO] [stdout]             candidate #1: `SpawnExt`
[INFO] [stdout]             candidate #2: `tokio_executor::executor::Executor`
[INFO] [stdout]             candidate #3: `tokio_executor::typed::TypedExecutor`
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/tarpc_lib-fb9b9e73dc18d896.long-type-118524338422984191.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tarpc-lib` (lib test) due to 5 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3f3bc434f608030259c19615936de87a8987d92da0816847f18a19347a0152c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f3bc434f608030259c19615936de87a8987d92da0816847f18a19347a0152c7", kill_on_drop: false }`
[INFO] [stdout] 3f3bc434f608030259c19615936de87a8987d92da0816847f18a19347a0152c7
