[INFO] fetching crate tokio-memcache 0.0.3...
[INFO] checking tokio-memcache-0.0.3 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate tokio-memcache 0.0.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate tokio-memcache 0.0.3 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-memcache 0.0.3
[INFO] finished tweaking crates.io crate tokio-memcache 0.0.3
[INFO] tweaked toml for crates.io crate tokio-memcache 0.0.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enum_primitive v0.1.1
[INFO] [stderr]   Downloaded term v0.5.2
[INFO] [stderr]   Downloaded blake2b_simd v0.5.11
[INFO] [stderr]   Downloaded arrayref v0.3.6
[INFO] [stderr]   Downloaded arrayvec v0.5.2
[INFO] [stderr]   Downloaded tokio-proto v0.1.1
[INFO] [stderr]   Downloaded num-traits v0.1.43
[INFO] [stderr]   Downloaded constant_time_eq v0.1.5
[INFO] [stderr]   Downloaded rust-argon2 v0.8.3
[INFO] [stderr]   Downloaded redox_users v0.3.5
[INFO] [stderr]   Downloaded dirs v1.0.5
[INFO] [stderr]   Downloaded clippy v0.0.302
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06fc0bb3d39598d1be47a2b5af1f3e3b38838463e64977efcc008b3cabe4ab4e
[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" "06fc0bb3d39598d1be47a2b5af1f3e3b38838463e64977efcc008b3cabe4ab4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06fc0bb3d39598d1be47a2b5af1f3e3b38838463e64977efcc008b3cabe4ab4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06fc0bb3d39598d1be47a2b5af1f3e3b38838463e64977efcc008b3cabe4ab4e", kill_on_drop: false }`
[INFO] [stdout] 06fc0bb3d39598d1be47a2b5af1f3e3b38838463e64977efcc008b3cabe4ab4e
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de55735399937985fad96b4347d6caacf81935aa1fe8393f5e4343028d79e237
[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" "de55735399937985fad96b4347d6caacf81935aa1fe8393f5e4343028d79e237", kill_on_drop: false }`
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking tokio-memcache v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/client/service.rs:17:63
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn connect(addr: &SocketAddr, handle: &Handle) -> Box<Future<Item=Connection, Error=MemcacheError>> {
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=Connection, Error=MemcacheError>`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:34:32
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/client/service.rs:17:63
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn connect(addr: &SocketAddr, handle: &Handle) -> Box<Future<Item=Connection, Error=MemcacheError>> {
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=Connection, Error=MemcacheError>`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:34:32
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::Framed`: Moved to tokio-codec
[INFO] [stdout]  --> src/client/protocol.rs:4:23
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio_io::codec::{Framed};
[INFO] [stdout]   |                       ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::Framed`: Moved to tokio-codec
[INFO] [stdout]   --> src/client/protocol.rs:15:22
[INFO] [stdout]    |
[INFO] [stdout] 15 |     type Transport = Framed<T, BinaryCodec>;
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]  --> src/client/connection.rs:4:31
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::{future, Future, BoxFuture};
[INFO] [stdout]   |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]   --> src/client/connection.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | type Result<T> = BoxFuture<T, MemcacheError>;
[INFO] [stdout]    |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]   --> src/client/connection.rs:19:41
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn get<K, R>(&self, key: &K) -> BoxFuture<R, MemcacheError>
[INFO] [stdout]    |                                         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]   --> src/client/connection.rs:45:70
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn add<K, V, E>(&self, key: &K, value: &V, expiration: E) -> BoxFuture<(), MemcacheError>
[INFO] [stdout]    |                                                                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]   --> src/client/connection.rs:74:19
[INFO] [stdout]    |
[INFO] [stdout] 74 |     type Future = BoxFuture<Self::Response, Self::Error>;
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::Framed`: Moved to tokio-codec
[INFO] [stdout]  --> src/client/protocol.rs:4:23
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio_io::codec::{Framed};
[INFO] [stdout]   |                       ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio_io::codec::Framed`: Moved to tokio-codec
[INFO] [stdout]   --> src/client/protocol.rs:15:22
[INFO] [stdout]    |
[INFO] [stdout] 15 |     type Transport = Framed<T, BinaryCodec>;
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]  --> src/client/connection.rs:4:31
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::{future, Future, BoxFuture};
[INFO] [stdout]   |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]   --> src/client/connection.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | type Result<T> = BoxFuture<T, MemcacheError>;
[INFO] [stdout]    |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]   --> src/client/connection.rs:19:41
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn get<K, R>(&self, key: &K) -> BoxFuture<R, MemcacheError>
[INFO] [stdout]    |                                         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]   --> src/client/connection.rs:45:70
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn add<K, V, E>(&self, key: &K, value: &V, expiration: E) -> BoxFuture<(), MemcacheError>
[INFO] [stdout]    |                                                                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]   --> src/client/connection.rs:74:19
[INFO] [stdout]    |
[INFO] [stdout] 74 |     type Future = BoxFuture<Self::Response, Self::Error>;
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `bytes::BufMut::put_u16`: use put_u16_be or put_u16_le
[INFO] [stdout]    --> src/protocol/request.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |         out.put_u16::<NetworkEndian>(self.key_length);
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `bytes::BufMut::put_u16`: use put_u16_be or put_u16_le
[INFO] [stdout]    --> src/protocol/request.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |         out.put_u16::<NetworkEndian>(self.vbucket_id);
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `bytes::BufMut::put_u32`: use put_u32_be or put_u32_le
[INFO] [stdout]    --> src/protocol/request.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |         out.put_u32::<NetworkEndian>(self.body_length);
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `bytes::BufMut::put_u32`: use put_u32_be or put_u32_le
[INFO] [stdout]    --> src/protocol/request.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |         out.put_u32::<NetworkEndian>(self.opaque);
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `bytes::BufMut::put_u64`: use put_u64_be or put_u64_le
[INFO] [stdout]    --> src/protocol/request.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 111 |         out.put_u64::<NetworkEndian>(self.cas);
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `bytes::BufMut::put_u16`: use put_u16_be or put_u16_le
[INFO] [stdout]    --> src/protocol/request.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |         out.put_u16::<NetworkEndian>(self.key_length);
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tokio_io::AsyncRead::framed`: Use tokio_codec::Decoder::framed instead
[INFO] [stdout]   --> src/client/protocol.rs:19:15
[INFO] [stdout]    |
[INFO] [stdout] 19 |         Ok(io.framed(BinaryCodec))
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `bytes::BufMut::put_u16`: use put_u16_be or put_u16_le
[INFO] [stdout]    --> src/protocol/request.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |         out.put_u16::<NetworkEndian>(self.vbucket_id);
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `bytes::BufMut::put_u32`: use put_u32_be or put_u32_le
[INFO] [stdout]    --> src/protocol/request.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |         out.put_u32::<NetworkEndian>(self.body_length);
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `bytes::BufMut::put_u32`: use put_u32_be or put_u32_le
[INFO] [stdout]    --> src/protocol/request.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |         out.put_u32::<NetworkEndian>(self.opaque);
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `bytes::BufMut::put_u64`: use put_u64_be or put_u64_le
[INFO] [stdout]    --> src/protocol/request.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 111 |         out.put_u64::<NetworkEndian>(self.cas);
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]   --> src/client/connection.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |         }).boxed()
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tokio_io::AsyncRead::framed`: Use tokio_codec::Decoder::framed instead
[INFO] [stdout]   --> src/client/protocol.rs:19:15
[INFO] [stdout]    |
[INFO] [stdout] 19 |         Ok(io.framed(BinaryCodec))
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]   --> src/client/connection.rs:42:57
[INFO] [stdout]    |
[INFO] [stdout] 42 |         self.send(request).and_then(|_| future::ok(())).boxed()
[INFO] [stdout]    |                                                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]   --> src/client/connection.rs:55:57
[INFO] [stdout]    |
[INFO] [stdout] 55 |         self.send(request).and_then(|_| future::ok(())).boxed()
[INFO] [stdout]    |                                                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]   --> src/client/connection.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 88 |         }).boxed()
[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/errors.rs:26:43
[INFO] [stdout]    |
[INFO] [stdout] 26 |             ErrorKind::Io(ref err) => err.description(),
[INFO] [stdout]    |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]   --> src/client/connection.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |         }).boxed()
[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/errors.rs:44:26
[INFO] [stdout]    |
[INFO] [stdout] 44 |         f.write_str(self.description())
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]   --> src/client/connection.rs:42:57
[INFO] [stdout]    |
[INFO] [stdout] 42 |         self.send(request).and_then(|_| future::ok(())).boxed()
[INFO] [stdout]    |                                                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]   --> src/client/connection.rs:55:57
[INFO] [stdout]    |
[INFO] [stdout] 55 |         self.send(request).and_then(|_| future::ok(())).boxed()
[INFO] [stdout]    |                                                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]   --> src/client/connection.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 88 |         }).boxed()
[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/errors.rs:26:43
[INFO] [stdout]    |
[INFO] [stdout] 26 |             ErrorKind::Io(ref err) => err.description(),
[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/errors.rs:44:26
[INFO] [stdout]    |
[INFO] [stdout] 44 |         f.write_str(self.description())
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> benches/command_get.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio-memcache` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `extras`
[INFO] [stdout]  --> examples/simple.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tokio_memcache::{Client, extras};
[INFO] [stdout]   |                              ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "de55735399937985fad96b4347d6caacf81935aa1fe8393f5e4343028d79e237", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de55735399937985fad96b4347d6caacf81935aa1fe8393f5e4343028d79e237", kill_on_drop: false }`
[INFO] [stdout] de55735399937985fad96b4347d6caacf81935aa1fe8393f5e4343028d79e237
