[INFO] fetching crate shio 0.3.0...
[INFO] checking shio-0.3.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate shio 0.3.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate shio 0.3.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate shio 0.3.0
[INFO] finished tweaking crates.io crate shio 0.3.0
[INFO] tweaked toml for crates.io crate shio 0.3.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 557d0300f0f5e6850c683d85673627f6929cf2fdcbf4950848945c3960c6d0c5
[INFO] running `"docker" "start" "-a" "557d0300f0f5e6850c683d85673627f6929cf2fdcbf4950848945c3960c6d0c5"`
[INFO] [stderr]     Checking shio v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state.rs:13:25
[INFO] [stderr]    |
[INFO] [stderr] 13 |     shared: Arc<TypeMap<UnsafeAny + Send + Sync>>,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn UnsafeAny + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state.rs:26:43
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub(crate) fn new(shared: Arc<TypeMap<UnsafeAny + Send + Sync>>) -> Self {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn UnsafeAny + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state.rs:57:38
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn shared(&self) -> &TypeMap<UnsafeAny + Send + Sync> {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn UnsafeAny + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/context.rs:74:38
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn shared(&self) -> &TypeMap<UnsafeAny + Send + Sync> {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn UnsafeAny + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/handler.rs:50:27
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub type BoxHandler = Box<Handler<Result = BoxFuture<Response, hyper::Error>>>;
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Handler<Result = BoxFuture<Response, hyper::Error>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/shio.rs:30:31
[INFO] [stderr]    |
[INFO] [stderr] 30 |     shared_state: Arc<TypeMap<UnsafeAny + Send + Sync>>,
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn UnsafeAny + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/service.rs:28:31
[INFO] [stderr]    |
[INFO] [stderr] 28 |     shared_state: Arc<TypeMap<UnsafeAny + Send + Sync>>,
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn UnsafeAny + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/service.rs:38:35
[INFO] [stderr]    |
[INFO] [stderr] 38 |         shared_state: Arc<TypeMap<UnsafeAny + Send + Sync>>,
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn UnsafeAny + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/service.rs:76:23
[INFO] [stderr]    |
[INFO] [stderr] 76 |     type Future = Box<Future<Item = Self::Response, Error = Self::Error>>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Response, Error = Self::Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/ext/futures.rs:9:32
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub type BoxFuture<T, E> = Box<Future<Item = T, Error = E>>;
[INFO] [stderr]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = T, Error = E>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/response/responder.rs:89:30
[INFO] [stderr]    |
[INFO] [stderr] 89 | impl<E, R> Responder for Box<Future<Item = R, Error = E>>
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = R, Error = E>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/response/responder.rs:96:23
[INFO] [stderr]    |
[INFO] [stderr] 96 |     type Result = Box<Future<Item = Response, Error = hyper::Error>>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Response, Error = hyper::Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/response/mod.rs:95:52
[INFO] [stderr]    |
[INFO] [stderr] 95 | pub type BoxFutureResponse<E = hyper::Error> = Box<Future<Item = Response, Error = E>>;
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Response, Error = E>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:30:32
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:93:32
[INFO] [stderr]    |
[INFO] [stderr] 93 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util/typemap.rs:32:38
[INFO] [stderr]    |
[INFO] [stderr] 32 | unsafe impl<T: UnsafeAny> Implements<UnsafeAny> for T {
[INFO] [stderr]    |                                      ^^^^^^^^^ help: use `dyn`: `dyn UnsafeAny`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util/typemap.rs:33:33
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn into_object(self) -> Box<UnsafeAny> {
[INFO] [stderr]    |                                 ^^^^^^^^^ help: use `dyn`: `dyn UnsafeAny`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util/typemap.rs:38:53
[INFO] [stderr]    |
[INFO] [stderr] 38 | unsafe impl<T: UnsafeAny + Send + Sync> Implements<(UnsafeAny + Send + Sync)> for T {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn UnsafeAny + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util/typemap.rs:39:33
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn into_object(self) -> Box<UnsafeAny + Send + Sync> {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn UnsafeAny + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util/typemap.rs:45:32
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub struct TypeMap<A: ?Sized = UnsafeAny>
[INFO] [stderr]    |                                ^^^^^^^^^ help: use `dyn`: `dyn UnsafeAny`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/util/typemap.rs:117:29
[INFO] [stderr]     |
[INFO] [stderr] 117 | pub type ShareMap = TypeMap<UnsafeAny + Sync + Send>;
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn UnsafeAny + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state.rs:13:25
[INFO] [stderr]    |
[INFO] [stderr] 13 |     shared: Arc<TypeMap<UnsafeAny + Send + Sync>>,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn UnsafeAny + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state.rs:26:43
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub(crate) fn new(shared: Arc<TypeMap<UnsafeAny + Send + Sync>>) -> Self {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn UnsafeAny + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state.rs:57:38
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn shared(&self) -> &TypeMap<UnsafeAny + Send + Sync> {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn UnsafeAny + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/context.rs:74:38
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn shared(&self) -> &TypeMap<UnsafeAny + Send + Sync> {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn UnsafeAny + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/handler.rs:50:27
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub type BoxHandler = Box<Handler<Result = BoxFuture<Response, hyper::Error>>>;
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Handler<Result = BoxFuture<Response, hyper::Error>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/shio.rs:30:31
[INFO] [stderr]    |
[INFO] [stderr] 30 |     shared_state: Arc<TypeMap<UnsafeAny + Send + Sync>>,
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn UnsafeAny + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/service.rs:28:31
[INFO] [stderr]    |
[INFO] [stderr] 28 |     shared_state: Arc<TypeMap<UnsafeAny + Send + Sync>>,
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn UnsafeAny + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/service.rs:38:35
[INFO] [stderr]    |
[INFO] [stderr] 38 |         shared_state: Arc<TypeMap<UnsafeAny + Send + Sync>>,
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn UnsafeAny + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/service.rs:76:23
[INFO] [stderr]    |
[INFO] [stderr] 76 |     type Future = Box<Future<Item = Self::Response, Error = Self::Error>>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Response, Error = Self::Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/ext/futures.rs:9:32
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub type BoxFuture<T, E> = Box<Future<Item = T, Error = E>>;
[INFO] [stderr]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = T, Error = E>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/response/responder.rs:89:30
[INFO] [stderr]    |
[INFO] [stderr] 89 | impl<E, R> Responder for Box<Future<Item = R, Error = E>>
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = R, Error = E>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/response/responder.rs:96:23
[INFO] [stderr]    |
[INFO] [stderr] 96 |     type Result = Box<Future<Item = Response, Error = hyper::Error>>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Response, Error = hyper::Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/response/mod.rs:95:52
[INFO] [stderr]    |
[INFO] [stderr] 95 | pub type BoxFutureResponse<E = hyper::Error> = Box<Future<Item = Response, Error = E>>;
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Response, Error = E>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:30:32
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:93:32
[INFO] [stderr]    |
[INFO] [stderr] 93 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util/typemap.rs:32:38
[INFO] [stderr]    |
[INFO] [stderr] 32 | unsafe impl<T: UnsafeAny> Implements<UnsafeAny> for T {
[INFO] [stderr]    |                                      ^^^^^^^^^ help: use `dyn`: `dyn UnsafeAny`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util/typemap.rs:33:33
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn into_object(self) -> Box<UnsafeAny> {
[INFO] [stderr]    |                                 ^^^^^^^^^ help: use `dyn`: `dyn UnsafeAny`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util/typemap.rs:38:53
[INFO] [stderr]    |
[INFO] [stderr] 38 | unsafe impl<T: UnsafeAny + Send + Sync> Implements<(UnsafeAny + Send + Sync)> for T {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn UnsafeAny + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util/typemap.rs:39:33
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn into_object(self) -> Box<UnsafeAny + Send + Sync> {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn UnsafeAny + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util/typemap.rs:45:32
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub struct TypeMap<A: ?Sized = UnsafeAny>
[INFO] [stderr]    |                                ^^^^^^^^^ help: use `dyn`: `dyn UnsafeAny`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/util/typemap.rs:117:29
[INFO] [stderr]     |
[INFO] [stderr] 117 | pub type ShareMap = TypeMap<UnsafeAny + Sync + Send>;
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn UnsafeAny + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'hyper::server::server_proto::<impl hyper::server::Http<B>>::bind_connection': All usage of the tokio-proto crate is going away.
[INFO] [stderr]    --> src/shio.rs:102:34
[INFO] [stderr]     |
[INFO] [stderr] 102 |                         protocol.bind_connection(&handle, socket, addr, service.clone());
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'hyper::server::server_proto::<impl hyper::server::Http<B>>::bind_connection': All usage of the tokio-proto crate is going away.
[INFO] [stderr]    --> src/shio.rs:102:34
[INFO] [stderr]     |
[INFO] [stderr] 102 |                         protocol.bind_connection(&handle, socket, addr, service.clone());
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:32:49
[INFO] [stderr]    |
[INFO] [stderr] 32 |             ListenErrorKind::Io(ref err) => err.cause(),
[INFO] [stderr]    |                                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:95:46
[INFO] [stderr]    |
[INFO] [stderr] 95 |             ErrorKind::Hyper(ref err) => err.cause(),
[INFO] [stderr]    |                                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:96:47
[INFO] [stderr]    |
[INFO] [stderr] 96 |             ErrorKind::Listen(ref err) => err.cause(),
[INFO] [stderr]    |                                               ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:32:49
[INFO] [stderr]    |
[INFO] [stderr] 32 |             ListenErrorKind::Io(ref err) => err.cause(),
[INFO] [stderr]    |                                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:95:46
[INFO] [stderr]    |
[INFO] [stderr] 95 |             ErrorKind::Hyper(ref err) => err.cause(),
[INFO] [stderr]    |                                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:96:47
[INFO] [stderr]    |
[INFO] [stderr] 96 |             ErrorKind::Listen(ref err) => err.cause(),
[INFO] [stderr]    |                                               ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.37s
[INFO] running `"docker" "inspect" "557d0300f0f5e6850c683d85673627f6929cf2fdcbf4950848945c3960c6d0c5"`
[INFO] running `"docker" "rm" "-f" "557d0300f0f5e6850c683d85673627f6929cf2fdcbf4950848945c3960c6d0c5"`
[INFO] [stdout] 557d0300f0f5e6850c683d85673627f6929cf2fdcbf4950848945c3960c6d0c5