[INFO] fetching crate rs-jsonrpc-http-server 8.0.0...
[INFO] testing rs-jsonrpc-http-server-8.0.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate rs-jsonrpc-http-server 8.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rs-jsonrpc-http-server 8.0.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rs-jsonrpc-http-server 8.0.0
[INFO] finished tweaking crates.io crate rs-jsonrpc-http-server 8.0.0
[INFO] tweaked toml for crates.io crate rs-jsonrpc-http-server 8.0.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded want v0.0.4
[INFO] [stderr]   Downloaded take v0.1.0
[INFO] [stderr]   Downloaded try-lock v0.1.0
[INFO] [stderr]   Downloaded smallvec v0.2.1
[INFO] [stderr]   Downloaded tokio-proto v0.1.1
[INFO] [stderr]   Downloaded relay v0.1.1
[INFO] [stderr]   Downloaded slab v0.3.0
[INFO] [stderr]   Downloaded hyper v0.11.27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 051a34eca305310ff02f71ac039099a05f0ff36691105181ed13c140141d6d0a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "051a34eca305310ff02f71ac039099a05f0ff36691105181ed13c140141d6d0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "051a34eca305310ff02f71ac039099a05f0ff36691105181ed13c140141d6d0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "051a34eca305310ff02f71ac039099a05f0ff36691105181ed13c140141d6d0a", kill_on_drop: false }`
[INFO] [stdout] 051a34eca305310ff02f71ac039099a05f0ff36691105181ed13c140141d6d0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67ba8c8778637fa03108df3106a695b91651c8f7e8a77728b10c8c3f4374d38d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "67ba8c8778637fa03108df3106a695b91651c8f7e8a77728b10c8c3f4374d38d", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling globset v0.1.4
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling rs-jsonrpc-core v8.0.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-core v0.1.18
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling rs-jsonrpc-server-utils v8.0.0
[INFO] [stderr]    Compiling hyper v0.11.27
[INFO] [stderr]    Compiling rs-jsonrpc-http-server v8.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/handler.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |     middleware: Arc<RequestMiddleware>,
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/handler.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 |         middleware: Arc<RequestMiddleware>,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/handler.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |     Middleware(Box<Future<Item=server::Response, Error=hyper::Error> + Send>),
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=server::Response, Error=hyper::Error> + Send`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |         response: Box<Future<Item=server::Response, Error=hyper::Error> + Send>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=server::Response, Error=hyper::Error> + Send`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:152:21
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub extractor: Arc<MetaExtractor<M>>,
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetaExtractor<M>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:189:22
[INFO] [stdout]     |
[INFO] [stdout] 189 |     meta_extractor: Arc<MetaExtractor<M>>,
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetaExtractor<M>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:190:26
[INFO] [stdout]     |
[INFO] [stdout] 190 |     request_middleware: Arc<RequestMiddleware>,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:346:27
[INFO] [stdout]     |
[INFO] [stdout] 346 |         }).collect::<io::Result<(Vec<_>)>>()?;
[INFO] [stdout]     |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:369:26
[INFO] [stdout]     |
[INFO] [stdout] 369 |     request_middleware: Arc<RequestMiddleware>,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:449:3
[INFO] [stdout]     |
[INFO] [stdout] 449 |         try!(tcp.reuse_port(true));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous associated item
[INFO] [stdout]    --> src/handler.rs:100:41
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
[INFO] [stdout]     |                                            ^^^^^^^^^^^ help: use fully-qualified syntax: `<Handler<M, S> as Future>::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ambiguous_associated_items)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #57644 <https://github.com/rust-lang/rust/issues/57644>
[INFO] [stdout] note: `Error` could refer to the variant defined here
[INFO] [stdout]    --> src/handler.rs:92:2
[INFO] [stdout]     |
[INFO] [stdout] 92  |     Error(Option<Response>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `Error` could also refer to the associated type defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.31/src/future/mod.rs:185:5
[INFO] [stdout]     |
[INFO] [stdout] 185 |     type Error;
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `hyper::server::server_proto::<impl hyper::server::Http<B>>::bind_connection`: All usage of the tokio-proto crate is going away.
[INFO] [stdout]    --> src/lib.rs:423:11
[INFO] [stdout]     |
[INFO] [stdout] 423 |                     http.bind_connection(&handle, socket, addr, ServerHandler::new(
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous associated item
[INFO] [stdout]    --> src/handler.rs:100:41
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
[INFO] [stdout]     |                                            ^^^^^^^^^^^ help: use fully-qualified syntax: `<Handler<M, S> as Future>::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #57644 <https://github.com/rust-lang/rust/issues/57644>
[INFO] [stdout] note: `Error` could refer to the variant defined here
[INFO] [stdout]    --> src/handler.rs:92:2
[INFO] [stdout]     |
[INFO] [stdout] 92  |     Error(Option<Response>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `Error` could also refer to the associated type defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.31/src/future/mod.rs:185:5
[INFO] [stdout]     |
[INFO] [stdout] 185 |     type Error;
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.03s
[INFO] running `Command { std: "docker" "inspect" "67ba8c8778637fa03108df3106a695b91651c8f7e8a77728b10c8c3f4374d38d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67ba8c8778637fa03108df3106a695b91651c8f7e8a77728b10c8c3f4374d38d", kill_on_drop: false }`
[INFO] [stdout] 67ba8c8778637fa03108df3106a695b91651c8f7e8a77728b10c8c3f4374d38d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 368015ed9f95ed355020770253023c201afd7fc6f449a7ecc63115b5553ba4ba
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "368015ed9f95ed355020770253023c201afd7fc6f449a7ecc63115b5553ba4ba", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/handler.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |     middleware: Arc<RequestMiddleware>,
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/handler.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 |         middleware: Arc<RequestMiddleware>,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/handler.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |     Middleware(Box<Future<Item=server::Response, Error=hyper::Error> + Send>),
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=server::Response, Error=hyper::Error> + Send`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |         response: Box<Future<Item=server::Response, Error=hyper::Error> + Send>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=server::Response, Error=hyper::Error> + Send`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:152:21
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub extractor: Arc<MetaExtractor<M>>,
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetaExtractor<M>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:189:22
[INFO] [stdout]     |
[INFO] [stdout] 189 |     meta_extractor: Arc<MetaExtractor<M>>,
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetaExtractor<M>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:190:26
[INFO] [stdout]     |
[INFO] [stdout] 190 |     request_middleware: Arc<RequestMiddleware>,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:346:27
[INFO] [stdout]     |
[INFO] [stdout] 346 |         }).collect::<io::Result<(Vec<_>)>>()?;
[INFO] [stdout]     |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:369:26
[INFO] [stdout]     |
[INFO] [stdout] 369 |     request_middleware: Arc<RequestMiddleware>,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:449:3
[INFO] [stdout]     |
[INFO] [stdout] 449 |         try!(tcp.reuse_port(true));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous associated item
[INFO] [stdout]    --> src/handler.rs:100:41
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
[INFO] [stdout]     |                                            ^^^^^^^^^^^ help: use fully-qualified syntax: `<Handler<M, S> as Future>::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ambiguous_associated_items)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #57644 <https://github.com/rust-lang/rust/issues/57644>
[INFO] [stdout] note: `Error` could refer to the variant defined here
[INFO] [stdout]    --> src/handler.rs:92:2
[INFO] [stdout]     |
[INFO] [stdout] 92  |     Error(Option<Response>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `Error` could also refer to the associated type defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.31/src/future/mod.rs:185:5
[INFO] [stdout]     |
[INFO] [stdout] 185 |     type Error;
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `hyper::server::server_proto::<impl hyper::server::Http<B>>::bind_connection`: All usage of the tokio-proto crate is going away.
[INFO] [stdout]    --> src/lib.rs:423:11
[INFO] [stdout]     |
[INFO] [stdout] 423 |                     http.bind_connection(&handle, socket, addr, ServerHandler::new(
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous associated item
[INFO] [stdout]    --> src/handler.rs:100:41
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
[INFO] [stdout]     |                                            ^^^^^^^^^^^ help: use fully-qualified syntax: `<Handler<M, S> as Future>::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #57644 <https://github.com/rust-lang/rust/issues/57644>
[INFO] [stdout] note: `Error` could refer to the variant defined here
[INFO] [stdout]    --> src/handler.rs:92:2
[INFO] [stdout]     |
[INFO] [stdout] 92  |     Error(Option<Response>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `Error` could also refer to the associated type defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.31/src/future/mod.rs:185:5
[INFO] [stdout]     |
[INFO] [stdout] 185 |     type Error;
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rs-jsonrpc-http-server v8.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/handler.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |     middleware: Arc<RequestMiddleware>,
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/handler.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 |         middleware: Arc<RequestMiddleware>,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/handler.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |     Middleware(Box<Future<Item=server::Response, Error=hyper::Error> + Send>),
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=server::Response, Error=hyper::Error> + Send`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |         response: Box<Future<Item=server::Response, Error=hyper::Error> + Send>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=server::Response, Error=hyper::Error> + Send`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:152:21
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub extractor: Arc<MetaExtractor<M>>,
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetaExtractor<M>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:189:22
[INFO] [stdout]     |
[INFO] [stdout] 189 |     meta_extractor: Arc<MetaExtractor<M>>,
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetaExtractor<M>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:190:26
[INFO] [stdout]     |
[INFO] [stdout] 190 |     request_middleware: Arc<RequestMiddleware>,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:346:27
[INFO] [stdout]     |
[INFO] [stdout] 346 |         }).collect::<io::Result<(Vec<_>)>>()?;
[INFO] [stdout]     |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:369:26
[INFO] [stdout]     |
[INFO] [stdout] 369 |     request_middleware: Arc<RequestMiddleware>,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:449:3
[INFO] [stdout]     |
[INFO] [stdout] 449 |         try!(tcp.reuse_port(true));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous associated item
[INFO] [stdout]    --> src/handler.rs:100:41
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
[INFO] [stdout]     |                                            ^^^^^^^^^^^ help: use fully-qualified syntax: `<Handler<M, S> as Future>::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ambiguous_associated_items)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #57644 <https://github.com/rust-lang/rust/issues/57644>
[INFO] [stdout] note: `Error` could refer to the variant defined here
[INFO] [stdout]    --> src/handler.rs:92:2
[INFO] [stdout]     |
[INFO] [stdout] 92  |     Error(Option<Response>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `Error` could also refer to the associated type defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.31/src/future/mod.rs:185:5
[INFO] [stdout]     |
[INFO] [stdout] 185 |     type Error;
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `hyper::server::server_proto::<impl hyper::server::Http<B>>::bind_connection`: All usage of the tokio-proto crate is going away.
[INFO] [stdout]    --> src/lib.rs:423:11
[INFO] [stdout]     |
[INFO] [stdout] 423 |                     http.bind_connection(&handle, socket, addr, ServerHandler::new(
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous associated item
[INFO] [stdout]    --> src/handler.rs:100:41
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
[INFO] [stdout]     |                                            ^^^^^^^^^^^ help: use fully-qualified syntax: `<Handler<M, S> as Future>::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #57644 <https://github.com/rust-lang/rust/issues/57644>
[INFO] [stdout] note: `Error` could refer to the variant defined here
[INFO] [stdout]    --> src/handler.rs:92:2
[INFO] [stdout]     |
[INFO] [stdout] 92  |     Error(Option<Response>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `Error` could also refer to the associated type defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.31/src/future/mod.rs:185:5
[INFO] [stdout]     |
[INFO] [stdout] 185 |     type Error;
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.23s
[INFO] running `Command { std: "docker" "inspect" "368015ed9f95ed355020770253023c201afd7fc6f449a7ecc63115b5553ba4ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "368015ed9f95ed355020770253023c201afd7fc6f449a7ecc63115b5553ba4ba", kill_on_drop: false }`
[INFO] [stdout] 368015ed9f95ed355020770253023c201afd7fc6f449a7ecc63115b5553ba4ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a5e2de27d7d5d03782017a1e590dd8c695d2ccf3957d580ae34e364b9bea7ddc
[INFO] running `Command { std: "docker" "start" "-a" "a5e2de27d7d5d03782017a1e590dd8c695d2ccf3957d580ae34e364b9bea7ddc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/handler.rs:23:18
[INFO] [stderr]    |
[INFO] [stderr] 23 |     middleware: Arc<RequestMiddleware>,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/handler.rs:33:19
[INFO] [stderr]    |
[INFO] [stderr] 33 |         middleware: Arc<RequestMiddleware>,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/handler.rs:93:17
[INFO] [stderr]    |
[INFO] [stderr] 93 |     Middleware(Box<Future<Item=server::Response, Error=hyper::Error> + Send>),
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=server::Response, Error=hyper::Error> + Send`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:70:17
[INFO] [stderr]    |
[INFO] [stderr] 70 |         response: Box<Future<Item=server::Response, Error=hyper::Error> + Send>,
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=server::Response, Error=hyper::Error> + Send`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:152:21
[INFO] [stderr]     |
[INFO] [stderr] 152 |     pub extractor: Arc<MetaExtractor<M>>,
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetaExtractor<M>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:189:22
[INFO] [stderr]     |
[INFO] [stderr] 189 |     meta_extractor: Arc<MetaExtractor<M>>,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetaExtractor<M>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:190:26
[INFO] [stderr]     |
[INFO] [stderr] 190 |     request_middleware: Arc<RequestMiddleware>,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:346:27
[INFO] [stderr]     |
[INFO] [stderr] 346 |         }).collect::<io::Result<(Vec<_>)>>()?;
[INFO] [stderr]     |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:369:26
[INFO] [stderr]     |
[INFO] [stderr] 369 |     request_middleware: Arc<RequestMiddleware>,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:449:3
[INFO] [stderr]     |
[INFO] [stderr] 449 |         try!(tcp.reuse_port(true));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: ambiguous associated item
[INFO] [stderr]    --> src/handler.rs:100:41
[INFO] [stderr]     |
[INFO] [stderr] 100 |     fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
[INFO] [stderr]     |                                            ^^^^^^^^^^^ help: use fully-qualified syntax: `<Handler<M, S> as Future>::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ambiguous_associated_items)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #57644 <https://github.com/rust-lang/rust/issues/57644>
[INFO] [stderr] note: `Error` could refer to the variant defined here
[INFO] [stderr]    --> src/handler.rs:92:2
[INFO] [stderr]     |
[INFO] [stderr] 92  |     Error(Option<Response>),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] note: `Error` could also refer to the associated type defined here
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.31/src/future/mod.rs:185:5
[INFO] [stderr]     |
[INFO] [stderr] 185 |     type Error;
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `hyper::server::server_proto::<impl hyper::server::Http<B>>::bind_connection`: All usage of the tokio-proto crate is going away.
[INFO] [stderr]    --> src/lib.rs:423:11
[INFO] [stderr]     |
[INFO] [stderr] 423 |                     http.bind_connection(&handle, socket, addr, ServerHandler::new(
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: ambiguous associated item
[INFO] [stderr]    --> src/handler.rs:100:41
[INFO] [stderr]     |
[INFO] [stderr] 100 |     fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
[INFO] [stderr]     |                                            ^^^^^^^^^^^ help: use fully-qualified syntax: `<Handler<M, S> as Future>::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #57644 <https://github.com/rust-lang/rust/issues/57644>
[INFO] [stderr] note: `Error` could refer to the variant defined here
[INFO] [stderr]    --> src/handler.rs:92:2
[INFO] [stderr]     |
[INFO] [stderr] 92  |     Error(Option<Response>),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] note: `Error` could also refer to the associated type defined here
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.31/src/future/mod.rs:185:5
[INFO] [stderr]     |
[INFO] [stderr] 185 |     type Error;
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rs-jsonrpc-http-server` (lib) generated 13 warnings
[INFO] [stderr] warning: `rs-jsonrpc-http-server` (lib test) generated 13 warnings (13 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rs_jsonrpc_http_server-c716217d6e423110)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test tests::should_not_process_the_request_in_case_of_invalid_cors ... ok
[INFO] [stdout] test tests::should_handle_rest_request_with_params ... ok
[INFO] [stdout] test tests::should_reject_invalid_hosts ... ok
[INFO] [stdout] test tests::should_always_allow_the_bind_address ... ok
[INFO] [stdout] test tests::should_not_add_cors_headers ... ok
[INFO] [stdout] test tests::should_handle_async_requests_with_immediate_response_correctly ... ok
[INFO] [stdout] test tests::should_reject_missing_host ... ok
[INFO] [stdout] test tests::should_handle_async_requests_correctly ... ok
[INFO] [stdout] test tests::should_allow_if_host_is_valid ... ok
[INFO] [stdout] test tests::should_handle_sync_batch_requests_correctly ... ok
[INFO] [stdout] test tests::should_return_empty_response_for_notification ... ok
[INFO] [stdout] test tests::should_add_cors_headers ... ok
[INFO] [stdout] test tests::should_add_cors_header_for_null_origin ... ok
[INFO] [stdout] test tests::should_handle_sync_requests_correctly ... ok
[INFO] [stdout] test tests::should_allow_application_json_utf8 ... ok
[INFO] [stdout] test tests::should_return_proper_headers_on_options ... ok
[INFO] [stdout] test tests::should_always_allow_the_bind_address_as_localhost ... ok
[INFO] [stdout] test tests::should_return_error_for_malformed_request2 ... ok
[INFO] [stdout] test tests::should_return_method_not_found ... ok
[INFO] [stdout] test tests::should_return_error_for_malformed_request ... ok
[INFO] [stdout] test tests::should_return_unsupported_media_type_if_not_json ... ok
[INFO] [stdout] test tests::should_return_method_not_allowed_for_get ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rs-jsonrpc-http-server
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:346:27
[INFO] [stderr]     |
[INFO] [stderr] 346 |         }).collect::<io::Result<(Vec<_>)>>()?;
[INFO] [stderr]     |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 3) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.72s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a5e2de27d7d5d03782017a1e590dd8c695d2ccf3957d580ae34e364b9bea7ddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5e2de27d7d5d03782017a1e590dd8c695d2ccf3957d580ae34e364b9bea7ddc", kill_on_drop: false }`
[INFO] [stdout] a5e2de27d7d5d03782017a1e590dd8c695d2ccf3957d580ae34e364b9bea7ddc
