[INFO] fetching crate htrpc 0.0.17...
[INFO] checking htrpc-0.0.17 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate htrpc 0.0.17 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate htrpc 0.0.17 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate htrpc 0.0.17
[INFO] finished tweaking crates.io crate htrpc 0.0.17
[INFO] tweaked toml for crates.io crate htrpc 0.0.17 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1386b17fb587a6295c3aeec1b36dea87f1850800ef0049c738946c3a06a894ec
[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" "1386b17fb587a6295c3aeec1b36dea87f1850800ef0049c738946c3a06a894ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1386b17fb587a6295c3aeec1b36dea87f1850800ef0049c738946c3a06a894ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1386b17fb587a6295c3aeec1b36dea87f1850800ef0049c738946c3a06a894ec", kill_on_drop: false }`
[INFO] [stdout] 1386b17fb587a6295c3aeec1b36dea87f1850800ef0049c738946c3a06a894ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 2b581f33d791db439eba870b4656f4d06d1df00cef95706be9d02e713cefc4e3
[INFO] running `Command { std: "docker" "start" "-a" "2b581f33d791db439eba870b4656f4d06d1df00cef95706be9d02e713cefc4e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking splay_tree v0.2.10
[INFO] [stderr]     Checking nbchan v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]     Checking handy_async v0.2.13
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking fibers v0.1.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]    Compiling trackable_derive v0.1.3
[INFO] [stderr]     Checking trackable v0.2.23
[INFO] [stderr]     Checking serdeconv v0.3.0
[INFO] [stderr]     Checking miasht v0.0.5
[INFO] [stderr]     Checking htrpc v0.0.17 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `derive_traits_for_trackable_error_newtype`: please use `#[derive(TrackableError)]` instead
[INFO] [stdout]   --> src/error.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | derive_traits_for_trackable_error_newtype!(Error, ErrorKind);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:37:28
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub type ReadBody<T> = Box<futures::Future<Item = (BodyReader, T), Error = Error> + Send + 'static>;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn futures::Future<Item = (BodyReader, T), Error = Error> + Send + 'static`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IntoDeserializer` is imported redundantly
[INFO] [stdout]    --> src/deserializers/rpc_response.rs:277:13
[INFO] [stdout]     |
[INFO] [stdout] 3   | use serde::de::{self, IntoDeserializer, Visitor};
[INFO] [stdout]     |                       ---------------- the item `IntoDeserializer` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 277 |         use serde::de::IntoDeserializer;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rfc7807.rs:45:31
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn body(&mut self) -> Box<AsRef<[u8]> + Send + 'static> {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]> + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializers/rpc_response.rs:25:43
[INFO] [stdout]    |
[INFO] [stdout] 25 |     ) -> Result<(Response<TcpStream>, Box<AsRef<[u8]> + Send + 'static>)>
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]> + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializers/rpc_response.rs:46:19
[INFO] [stdout]    |
[INFO] [stdout] 46 |         body: Box<AsRef<[u8]> + Send + 'static>,
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]> + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializers/rpc_response.rs:47:43
[INFO] [stdout]    |
[INFO] [stdout] 47 |     ) -> Result<(Response<TcpStream>, Box<AsRef<[u8]> + Send + 'static>)> {
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]> + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/client.rs:17:28
[INFO] [stdout]    |
[INFO] [stdout] 17 | type BoxFuture<T, E> = Box<Future<Item = T, Error = E> + Send + 'static>;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = T, Error = E> + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/procedure.rs:54:31
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn body(&mut self) -> Box<AsRef<[u8]> + Send + 'static>;
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]> + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/router.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | /     Future<Item = (Response<TcpStream>, Box<AsRef<[u8]> + Send + 'static>), Error = Error>
[INFO] [stdout] 14 | |         + Send
[INFO] [stdout] 15 | |         + 'static,
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 |     dyn Future<Item = (Response<TcpStream>, Box<AsRef<[u8]> + Send + 'static>), Error = Error>
[INFO] [stdout] 14 |         + Send
[INFO] [stdout] 15 |         + 'static,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/router.rs:13:45
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Future<Item = (Response<TcpStream>, Box<AsRef<[u8]> + Send + 'static>), Error = Error>
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]> + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/router.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Box<Fn(Url, Request<TcpStream>) -> HandleHttpRequestResult + Send + 'static>;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Url, Request<TcpStream>) -> HandleHttpRequestResult + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server.rs:25:28
[INFO] [stdout]    |
[INFO] [stdout] 25 | type BoxFuture<T, E> = Box<Future<Item = T, Error = E> + Send + 'static>;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = T, Error = E> + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/server.rs:178:45
[INFO] [stdout]     |
[INFO] [stdout] 178 |         BoxFuture<(Response<TcpStream>, Box<AsRef<[u8]> + Send + 'static>), Error>,
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]> + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/server.rs:259:41
[INFO] [stdout]     |
[INFO] [stdout] 259 |                         struct Temp(Box<AsRef<[u8]> + Send + 'static>);
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]> + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `derive_traits_for_trackable_error_newtype`: please use `#[derive(TrackableError)]` instead
[INFO] [stdout]   --> src/error.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | derive_traits_for_trackable_error_newtype!(Error, ErrorKind);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:37:28
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub type ReadBody<T> = Box<futures::Future<Item = (BodyReader, T), Error = Error> + Send + 'static>;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn futures::Future<Item = (BodyReader, T), Error = Error> + Send + 'static`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IntoDeserializer` is imported redundantly
[INFO] [stdout]    --> src/deserializers/rpc_response.rs:277:13
[INFO] [stdout]     |
[INFO] [stdout] 3   | use serde::de::{self, IntoDeserializer, Visitor};
[INFO] [stdout]     |                       ---------------- the item `IntoDeserializer` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 277 |         use serde::de::IntoDeserializer;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rfc7807.rs:45:31
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn body(&mut self) -> Box<AsRef<[u8]> + Send + 'static> {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]> + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializers/rpc_response.rs:25:43
[INFO] [stdout]    |
[INFO] [stdout] 25 |     ) -> Result<(Response<TcpStream>, Box<AsRef<[u8]> + Send + 'static>)>
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]> + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializers/rpc_response.rs:46:19
[INFO] [stdout]    |
[INFO] [stdout] 46 |         body: Box<AsRef<[u8]> + Send + 'static>,
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]> + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializers/rpc_response.rs:47:43
[INFO] [stdout]    |
[INFO] [stdout] 47 |     ) -> Result<(Response<TcpStream>, Box<AsRef<[u8]> + Send + 'static>)> {
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]> + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/client.rs:17:28
[INFO] [stdout]    |
[INFO] [stdout] 17 | type BoxFuture<T, E> = Box<Future<Item = T, Error = E> + Send + 'static>;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = T, Error = E> + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/procedure.rs:54:31
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn body(&mut self) -> Box<AsRef<[u8]> + Send + 'static>;
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]> + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/router.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | /     Future<Item = (Response<TcpStream>, Box<AsRef<[u8]> + Send + 'static>), Error = Error>
[INFO] [stdout] 14 | |         + Send
[INFO] [stdout] 15 | |         + 'static,
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 |     dyn Future<Item = (Response<TcpStream>, Box<AsRef<[u8]> + Send + 'static>), Error = Error>
[INFO] [stdout] 14 |         + Send
[INFO] [stdout] 15 |         + 'static,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/router.rs:13:45
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Future<Item = (Response<TcpStream>, Box<AsRef<[u8]> + Send + 'static>), Error = Error>
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]> + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/router.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Box<Fn(Url, Request<TcpStream>) -> HandleHttpRequestResult + Send + 'static>;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Url, Request<TcpStream>) -> HandleHttpRequestResult + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server.rs:25:28
[INFO] [stdout]    |
[INFO] [stdout] 25 | type BoxFuture<T, E> = Box<Future<Item = T, Error = E> + Send + 'static>;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = T, Error = E> + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/server.rs:178:45
[INFO] [stdout]     |
[INFO] [stdout] 178 |         BoxFuture<(Response<TcpStream>, Box<AsRef<[u8]> + Send + 'static>), Error>,
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]> + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/server.rs:259:41
[INFO] [stdout]     |
[INFO] [stdout] 259 |                         struct Temp(Box<AsRef<[u8]> + Send + 'static>);
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]> + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/misc.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::{Once, ONCE_INIT};
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/misc.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |     static START: Once = ONCE_INIT;
[INFO] [stdout]   |                          ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/misc.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::{Once, ONCE_INIT};
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/misc.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |     static START: Once = ONCE_INIT;
[INFO] [stdout]   |                          ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/rfc7807.rs:230:26
[INFO] [stdout]     |
[INFO] [stdout] 230 |             title: error.description().to_string(),
[INFO] [stdout]     |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/rfc7807.rs:232:27
[INFO] [stdout]     |
[INFO] [stdout] 232 |             detail: error.cause().map(|c| c.to_string()),
[INFO] [stdout]     |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/rfc7807.rs:230:26
[INFO] [stdout]     |
[INFO] [stdout] 230 |             title: error.description().to_string(),
[INFO] [stdout]     |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/rfc7807.rs:232:27
[INFO] [stdout]     |
[INFO] [stdout] 232 |             detail: error.cause().map(|c| c.to_string()),
[INFO] [stdout]     |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/server.rs:151:25
[INFO] [stdout]     |
[INFO] [stdout] 151 |                         unsafe {
[INFO] [stdout]     |                         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/server.rs:151:25
[INFO] [stdout]     |
[INFO] [stdout] 151 |                         unsafe {
[INFO] [stdout]     |                         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.89s
[INFO] running `Command { std: "docker" "inspect" "2b581f33d791db439eba870b4656f4d06d1df00cef95706be9d02e713cefc4e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b581f33d791db439eba870b4656f4d06d1df00cef95706be9d02e713cefc4e3", kill_on_drop: false }`
[INFO] [stdout] 2b581f33d791db439eba870b4656f4d06d1df00cef95706be9d02e713cefc4e3
