[INFO] fetching crate tokio-core 0.1.18...
[INFO] testing tokio-core-0.1.18 against 1.60.0 for beta-1.61-1
[INFO] extracting crate tokio-core 0.1.18 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tokio-core 0.1.18 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-core 0.1.18
[INFO] finished tweaking crates.io crate tokio-core 0.1.18
[INFO] tweaked toml for crates.io crate tokio-core 0.1.18 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate tokio-core 0.1.18 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.3
[INFO] [stderr]   Downloaded serde_json v1.0.59
[INFO] [stderr]   Downloaded serde v1.0.117
[INFO] [stderr]   Downloaded serde_derive v1.0.117
[INFO] [stderr]   Downloaded syn v1.0.53
[INFO] [stderr]   Downloaded futures v0.1.30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38fe1ee5caa4d8fdf302f57448fe8fe71191d50de6a8ca5b18be5bc33ddf455e
[INFO] running `Command { std: "docker" "start" "-a" "38fe1ee5caa4d8fdf302f57448fe8fe71191d50de6a8ca5b18be5bc33ddf455e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38fe1ee5caa4d8fdf302f57448fe8fe71191d50de6a8ca5b18be5bc33ddf455e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38fe1ee5caa4d8fdf302f57448fe8fe71191d50de6a8ca5b18be5bc33ddf455e", kill_on_drop: false }`
[INFO] [stdout] 38fe1ee5caa4d8fdf302f57448fe8fe71191d50de6a8ca5b18be5bc33ddf455e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 090ac2f0434ff9cfb6543714719e3c0831cf0de020f7489114f949b08ac16b97
[INFO] running `Command { std: "docker" "start" "-a" "090ac2f0434ff9cfb6543714719e3c0831cf0de020f7489114f949b08ac16b97", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling futures v0.1.30
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling net2 v0.2.36
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-core v0.1.18 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/net/tcp.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let l = try!(mio::net::TcpListener::bind(addr));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/net/tcp.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let l = try!(mio::net::TcpListener::bind(addr));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/net/tcp.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |         let l = try!(mio::net::TcpListener::from_std(listener));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/net/tcp.rs:134:18
[INFO] [stdout]     |
[INFO] [stdout] 134 |         let io = try!(PollEvented2::new_with_handle(listener, handle.new_tokio_handle()));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/net/tcp.rs:301:21
[INFO] [stdout]     |
[INFO] [stdout] 301 |         let inner = try!(mio::net::TcpStream::from_stream(stream));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/net/tcp.rs:303:17
[INFO] [stdout]     |
[INFO] [stdout] 303 |             io: try!(PollEvented2::new_with_handle(inner, handle.new_tokio_handle())),
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/net/tcp.rs:783:30
[INFO] [stdout]     |
[INFO] [stdout] 783 |             if let Some(e) = try!(stream.io.get_ref().take_error()) {
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/net/udp/frame.rs:75:21
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let frame = try!(self.codec.decode(&addr, &self.rd[..n]));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/net/udp/frame.rs:89:19
[INFO] [stdout]    |
[INFO] [stdout] 89 |             match try!(self.poll_complete()) {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/net/udp/mod.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let udp = try!(mio::net::UdpSocket::bind(addr));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/net/udp/mod.rs:29:18
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let io = try!(PollEvented2::new_with_handle(socket, handle.new_tokio_handle()));
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/net/udp/mod.rs:44:19
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let udp = try!(mio::net::UdpSocket::from_socket(socket));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/reactor/mod.rs:231:27
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 let res = try!(CURRENT_LOOP.set(self, || {
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/reactor/mod.rs:12:50
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::sync::atomic::{AtomicUsize, AtomicBool, ATOMIC_USIZE_INIT, Ordering};
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/reactor/mod.rs:36:36
[INFO] [stdout]    |
[INFO] [stdout] 36 | static NEXT_LOOP_ID: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reactor/mod.rs:77:28
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pending_spawn: Vec<Box<Future<Item = (), Error = ()>>>,
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 77 -     pending_spawn: Vec<Box<Future<Item = (), Error = ()>>>,
[INFO] [stdout] 77 +     pending_spawn: Vec<Box<dyn Future<Item = (), Error = ()>>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reactor/mod.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |     Run(Box<FnBox>),
[INFO] [stdout]     |             ^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 112 -     Run(Box<FnBox>),
[INFO] [stdout] 112 +     Run(Box<dyn FnBox>),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/net/tcp.rs:328:34
[INFO] [stdout]     |
[INFO] [stdout] 328 |                           -> Box<Future<Item=TcpStream, Error=io::Error> + Send> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 328 -                           -> Box<Future<Item=TcpStream, Error=io::Error> + Send> {
[INFO] [stdout] 328 +                           -> Box<dyn Future<Item=TcpStream, Error=io::Error> + Send> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/net/tcp.rs:574:9
[INFO] [stdout]     |
[INFO] [stdout] 574 |         <&TcpStream>::read_buf(&mut &*self, buf)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `tokio_io::AsyncRead::read_buf(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tokio::runtime::Runtime::reactor`: there is now a reactor per worker thread
[INFO] [stdout]    --> src/reactor/mod.rs:186:33
[INFO] [stdout]     |
[INFO] [stdout] 186 |             new_handle: self.rt.reactor().clone(),
[INFO] [stdout]     |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tokio::runtime::Runtime::reactor`: there is now a reactor per worker thread
[INFO] [stdout]    --> src/reactor/mod.rs:214:31
[INFO] [stdout]     |
[INFO] [stdout] 214 |         let handle1 = self.rt.reactor().clone();
[INFO] [stdout]     |                               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tokio::runtime::Runtime::reactor`: there is now a reactor per worker thread
[INFO] [stdout]    --> src/reactor/mod.rs:215:31
[INFO] [stdout]     |
[INFO] [stdout] 215 |         let handle2 = self.rt.reactor().clone();
[INFO] [stdout]     |                               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tokio::runtime::Runtime::reactor`: there is now a reactor per worker thread
[INFO] [stdout]    --> src/reactor/mod.rs:262:30
[INFO] [stdout]     |
[INFO] [stdout] 262 |         let handle = self.rt.reactor().clone();
[INFO] [stdout]     |                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.94s
[INFO] running `Command { std: "docker" "inspect" "090ac2f0434ff9cfb6543714719e3c0831cf0de020f7489114f949b08ac16b97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "090ac2f0434ff9cfb6543714719e3c0831cf0de020f7489114f949b08ac16b97", kill_on_drop: false }`
[INFO] [stdout] 090ac2f0434ff9cfb6543714719e3c0831cf0de020f7489114f949b08ac16b97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a396804a19bd31339e933d8735cafe9143a981a53268091088ee95da67d73294
[INFO] running `Command { std: "docker" "start" "-a" "a396804a19bd31339e933d8735cafe9143a981a53268091088ee95da67d73294", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/net/tcp.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let l = try!(mio::net::TcpListener::bind(addr));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/net/tcp.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let l = try!(mio::net::TcpListener::bind(addr));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/net/tcp.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |         let l = try!(mio::net::TcpListener::from_std(listener));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/net/tcp.rs:134:18
[INFO] [stdout]     |
[INFO] [stdout] 134 |         let io = try!(PollEvented2::new_with_handle(listener, handle.new_tokio_handle()));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/net/tcp.rs:301:21
[INFO] [stdout]     |
[INFO] [stdout] 301 |         let inner = try!(mio::net::TcpStream::from_stream(stream));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/net/tcp.rs:303:17
[INFO] [stdout]     |
[INFO] [stdout] 303 |             io: try!(PollEvented2::new_with_handle(inner, handle.new_tokio_handle())),
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/net/tcp.rs:783:30
[INFO] [stdout]     |
[INFO] [stdout] 783 |             if let Some(e) = try!(stream.io.get_ref().take_error()) {
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/net/udp/frame.rs:75:21
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let frame = try!(self.codec.decode(&addr, &self.rd[..n]));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/net/udp/frame.rs:89:19
[INFO] [stdout]    |
[INFO] [stdout] 89 |             match try!(self.poll_complete()) {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/net/udp/mod.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let udp = try!(mio::net::UdpSocket::bind(addr));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/net/udp/mod.rs:29:18
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let io = try!(PollEvented2::new_with_handle(socket, handle.new_tokio_handle()));
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/net/udp/mod.rs:44:19
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let udp = try!(mio::net::UdpSocket::from_socket(socket));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/reactor/mod.rs:231:27
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 let res = try!(CURRENT_LOOP.set(self, || {
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/reactor/mod.rs:12:50
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::sync::atomic::{AtomicUsize, AtomicBool, ATOMIC_USIZE_INIT, Ordering};
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/reactor/mod.rs:36:36
[INFO] [stdout]    |
[INFO] [stdout] 36 | static NEXT_LOOP_ID: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reactor/mod.rs:77:28
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pending_spawn: Vec<Box<Future<Item = (), Error = ()>>>,
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 77 -     pending_spawn: Vec<Box<Future<Item = (), Error = ()>>>,
[INFO] [stdout] 77 +     pending_spawn: Vec<Box<dyn Future<Item = (), Error = ()>>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reactor/mod.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |     Run(Box<FnBox>),
[INFO] [stdout]     |             ^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 112 -     Run(Box<FnBox>),
[INFO] [stdout] 112 +     Run(Box<dyn FnBox>),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/net/tcp.rs:328:34
[INFO] [stdout]     |
[INFO] [stdout] 328 |                           -> Box<Future<Item=TcpStream, Error=io::Error> + Send> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 328 -                           -> Box<Future<Item=TcpStream, Error=io::Error> + Send> {
[INFO] [stdout] 328 +                           -> Box<dyn Future<Item=TcpStream, Error=io::Error> + Send> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/net/tcp.rs:574:9
[INFO] [stdout]     |
[INFO] [stdout] 574 |         <&TcpStream>::read_buf(&mut &*self, buf)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `tokio_io::AsyncRead::read_buf(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tokio::runtime::Runtime::reactor`: there is now a reactor per worker thread
[INFO] [stdout]    --> src/reactor/mod.rs:186:33
[INFO] [stdout]     |
[INFO] [stdout] 186 |             new_handle: self.rt.reactor().clone(),
[INFO] [stdout]     |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tokio::runtime::Runtime::reactor`: there is now a reactor per worker thread
[INFO] [stdout]    --> src/reactor/mod.rs:214:31
[INFO] [stdout]     |
[INFO] [stdout] 214 |         let handle1 = self.rt.reactor().clone();
[INFO] [stdout]     |                               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tokio::runtime::Runtime::reactor`: there is now a reactor per worker thread
[INFO] [stdout]    --> src/reactor/mod.rs:215:31
[INFO] [stdout]     |
[INFO] [stdout] 215 |         let handle2 = self.rt.reactor().clone();
[INFO] [stdout]     |                               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tokio::runtime::Runtime::reactor`: there is now a reactor per worker thread
[INFO] [stdout]    --> src/reactor/mod.rs:262:30
[INFO] [stdout]     |
[INFO] [stdout] 262 |         let handle = self.rt.reactor().clone();
[INFO] [stdout]     |                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling flate2 v1.0.19
[INFO] [stderr]    Compiling tokio-core v0.1.18 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/connect.rs:94:16
[INFO] [stdout]    |
[INFO] [stdout] 94 |         -> Box<Stream<Item = BytesMut, Error = io::Error>>
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 94 -         -> Box<Stream<Item = BytesMut, Error = io::Error>>
[INFO] [stdout] 94 +         -> Box<dyn Stream<Item = BytesMut, Error = io::Error>>
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/connect.rs:93:31
[INFO] [stdout]    |
[INFO] [stdout] 93 |                    stdin: Box<Stream<Item = Vec<u8>, Error = io::Error>>)
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 93 -                    stdin: Box<Stream<Item = Vec<u8>, Error = io::Error>>)
[INFO] [stdout] 93 +                    stdin: Box<dyn Stream<Item = Vec<u8>, Error = io::Error>>)
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> examples/connect.rs:209:16
[INFO] [stdout]     |
[INFO] [stdout] 209 |         -> Box<Stream<Item = BytesMut, Error = io::Error>>
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 209 -         -> Box<Stream<Item = BytesMut, Error = io::Error>>
[INFO] [stdout] 209 +         -> Box<dyn Stream<Item = BytesMut, Error = io::Error>>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> examples/connect.rs:208:31
[INFO] [stdout]     |
[INFO] [stdout] 208 |                    stdin: Box<Stream<Item = Vec<u8>, Error = io::Error>>)
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 208 -                    stdin: Box<Stream<Item = Vec<u8>, Error = io::Error>>)
[INFO] [stdout] 208 +                    stdin: Box<dyn Stream<Item = Vec<u8>, Error = io::Error>>)
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> tests/udp.rs:52:20
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn send(&self, &UdpSocket, &[u8], &SocketAddr) -> Result<usize, io::Error>;
[INFO] [stdout]    |                    ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &UdpSocket`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> tests/udp.rs:52:32
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn send(&self, &UdpSocket, &[u8], &SocketAddr) -> Result<usize, io::Error>;
[INFO] [stdout]    |                                ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[u8]`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> tests/udp.rs:52:39
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn send(&self, &UdpSocket, &[u8], &SocketAddr) -> Result<usize, io::Error>;
[INFO] [stdout]    |                                       ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &SocketAddr`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> tests/udp.rs:106:20
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn recv(&self, &UdpSocket, &mut [u8], &SocketAddr) -> Result<usize, io::Error>;
[INFO] [stdout]     |                    ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &UdpSocket`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> tests/udp.rs:106:32
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn recv(&self, &UdpSocket, &mut [u8], &SocketAddr) -> Result<usize, io::Error>;
[INFO] [stdout]     |                                ^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut [u8]`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> tests/udp.rs:106:43
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn recv(&self, &UdpSocket, &mut [u8], &SocketAddr) -> Result<usize, io::Error>;
[INFO] [stdout]     |                                           ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &SocketAddr`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/compress.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 |     -> Box<Future<Item = (u64, u64), Error = io::Error>>
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 73 -     -> Box<Future<Item = (u64, u64), Error = io::Error>>
[INFO] [stdout] 73 +     -> Box<dyn Future<Item = (u64, u64), Error = io::Error>>
[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]    --> examples/connect.rs:116:41
[INFO] [stdout]     |
[INFO] [stdout] 116 |             let (sink, stream) = stream.framed(Bytes).split();
[INFO] [stdout]     |                                         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> examples/proxy.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |         try!(self.0.shutdown(Shutdown::Write));
[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]    --> tests/spawn.rs:198:20
[INFO] [stdout]     |
[INFO] [stdout] 198 |         _data: Box<Any>,
[INFO] [stdout]     |                    ^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 198 -         _data: Box<Any>,
[INFO] [stdout] 198 +         _data: Box<dyn Any>,
[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]   --> tests/line-frames.rs:64:37
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let (sink, stream) = socket.framed(LineCodec).split();
[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]   --> examples/tinyhttp.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 |     -> Box<Future<Item = Response<String>, Error = io::Error>>
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 99 -     -> Box<Future<Item = Response<String>, Error = io::Error>>
[INFO] [stdout] 99 +     -> Box<dyn Future<Item = Response<String>, Error = io::Error>>
[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]   --> examples/tinyhttp.rs:81:35
[INFO] [stdout]    |
[INFO] [stdout] 81 |             let (tx, rx) = socket.framed(Http).split();
[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/reactor/mod.rs:77:28
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pending_spawn: Vec<Box<Future<Item = (), Error = ()>>>,
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 77 -     pending_spawn: Vec<Box<Future<Item = (), Error = ()>>>,
[INFO] [stdout] 77 +     pending_spawn: Vec<Box<dyn Future<Item = (), Error = ()>>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reactor/mod.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |     Run(Box<FnBox>),
[INFO] [stdout]     |             ^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 112 -     Run(Box<FnBox>),
[INFO] [stdout] 112 +     Run(Box<dyn FnBox>),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/net/tcp.rs:328:34
[INFO] [stdout]     |
[INFO] [stdout] 328 |                           -> Box<Future<Item=TcpStream, Error=io::Error> + Send> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 328 -                           -> Box<Future<Item=TcpStream, Error=io::Error> + Send> {
[INFO] [stdout] 328 +                           -> Box<dyn Future<Item=TcpStream, Error=io::Error> + Send> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/net/tcp.rs:574:9
[INFO] [stdout]     |
[INFO] [stdout] 574 |         <&TcpStream>::read_buf(&mut &*self, buf)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `tokio_io::AsyncRead::read_buf(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio-core`; 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tinyhttp examples/tinyhttp.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=90050bbe88b54774 -C extra-filename=-90050bbe88b54774 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-4856196e98c7cb6f.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-ceb6f5aae7421b2c.rlib --extern flate2=/opt/rustwide/target/debug/deps/libflate2-4ef285e1b0883f20.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-fe81e6cc642ba513.rlib --extern futures_cpupool=/opt/rustwide/target/debug/deps/libfutures_cpupool-7cff1d0bfe84d14e.rlib --extern http=/opt/rustwide/target/debug/deps/libhttp-e470835be1feeb4e.rlib --extern httparse=/opt/rustwide/target/debug/deps/libhttparse-740cc284933ad378.rlib --extern iovec=/opt/rustwide/target/debug/deps/libiovec-fa0c6ec86a5429d4.rlib --extern libc=/opt/rustwide/target/debug/deps/liblibc-2e7a0e73105bff77.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-7736e0c201b801f7.rlib --extern mio=/opt/rustwide/target/debug/deps/libmio-7c9c4469c5875492.rlib --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-96bfdb82771652ed.rlib --extern scoped_tls=/opt/rustwide/target/debug/deps/libscoped_tls-71b994545d683b7a.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-10701fa8d7a0c54d.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-822d5f1f98d26e17.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-a6d0509f77c6e406.rlib --extern time=/opt/rustwide/target/debug/deps/libtime-544adb9d9242740a.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-108cd2374426fd89.rlib --extern tokio_core=/opt/rustwide/target/debug/deps/libtokio_core-c5ccef1a0a8fae12.rlib --extern tokio_executor=/opt/rustwide/target/debug/deps/libtokio_executor-300b83e60c512e28.rlib --extern tokio_io=/opt/rustwide/target/debug/deps/libtokio_io-c9c9b19285aa53de.rlib --extern tokio_reactor=/opt/rustwide/target/debug/deps/libtokio_reactor-5e67838d688b7e62.rlib --extern tokio_timer=/opt/rustwide/target/debug/deps/libtokio_timer-9a81b6b66f90204e.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a396804a19bd31339e933d8735cafe9143a981a53268091088ee95da67d73294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a396804a19bd31339e933d8735cafe9143a981a53268091088ee95da67d73294", kill_on_drop: false }`
[INFO] [stdout] a396804a19bd31339e933d8735cafe9143a981a53268091088ee95da67d73294