[INFO] fetching crate nexus 0.0.1...
[INFO] testing nexus-0.0.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate nexus 0.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate nexus 0.0.1
[INFO] finished tweaking crates.io crate nexus 0.0.1
[INFO] tweaked toml for crates.io crate nexus 0.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nexus 0.0.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] [stderr]       Adding log v0.3.9 (available: v0.4.28)
[INFO] [stderr]       Adding mio v0.5.1 (available: v1.1.0)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slab v0.1.3
[INFO] [stderr]   Downloaded bytes v0.3.0
[INFO] [stderr]   Downloaded mio v0.5.1
[INFO] [stderr]   Downloaded miow v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3005fc05e5a98dffaae98e80c430b3a52ac9ac7f0bb81f69131ad569f5167f2
[INFO] running `Command { std: "docker" "start" "-a" "b3005fc05e5a98dffaae98e80c430b3a52ac9ac7f0bb81f69131ad569f5167f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3005fc05e5a98dffaae98e80c430b3a52ac9ac7f0bb81f69131ad569f5167f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3005fc05e5a98dffaae98e80c430b3a52ac9ac7f0bb81f69131ad569f5167f2", kill_on_drop: false }`
[INFO] [stdout] b3005fc05e5a98dffaae98e80c430b3a52ac9ac7f0bb81f69131ad569f5167f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be47db7ff7571cf98384b8d63b8aa52bbe9d0d092585b2f939d986ea7ccf3185
[INFO] running `Command { std: "docker" "start" "-a" "be47db7ff7571cf98384b8d63b8aa52bbe9d0d092585b2f939d986ea7ccf3185", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling bytes v0.3.0
[INFO] [stderr]    Compiling slab v0.1.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling miow v0.1.5
[INFO] [stderr]    Compiling mio v0.5.1
[INFO] [stderr]    Compiling nexus v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/reactor/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/reactor/mod.rs:109:26
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let event_loop = try!(EventLoop::configured(config.to_event_loop_config()));
[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/tcp/tcp_reactor.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let reactor = try!(Reactor::with_configuration(reactor_proto, config));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/protocol.rs:10:48
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn on_readable(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn on_readable(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/protocol.rs:13:48
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn on_writable(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn on_writable(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/protocol.rs:16:47
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn on_timeout(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn on_timeout(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/protocol.rs:19:50
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn on_disconnect(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn on_disconnect(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/protocol.rs:22:52
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn on_socket_error(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn on_socket_error(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/protocol.rs:28:41
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn tick(&mut self, configurer: &mut Configurer<Self::Socket>);
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn tick(&mut self, configurer: &mut dyn Configurer<Self::Socket>);
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tcp/protocol.rs:11:47
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn on_connect(&mut self, configurer: &mut Configurer<Self::Socket>, socket: TcpStream);
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn on_connect(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: TcpStream);
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reactor/handler.rs:233:33
[INFO] [stdout]     |
[INFO] [stdout] 233 |                configurer: &mut Configurer<P::Socket>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 233 |                configurer: &mut dyn Configurer<P::Socket>,
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tcp/protocol.rs:29:47
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn on_connect(&mut self, configurer: &mut Configurer<Self::Socket>, socket: TcpStream) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn on_connect(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: TcpStream) {
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tcp/protocol.rs:37:48
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn on_readable(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn on_readable(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tcp/protocol.rs:41:48
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn on_writable(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn on_writable(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tcp/protocol.rs:45:47
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn on_timeout(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn on_timeout(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tcp/protocol.rs:49:50
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn on_disconnect(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn on_disconnect(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tcp/protocol.rs:53:52
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn on_socket_error(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn on_socket_error(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tcp/protocol.rs:61:41
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn tick(&mut self, configurer: &mut Configurer<Self::Socket>) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn tick(&mut self, configurer: &mut dyn Configurer<Self::Socket>) {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.48s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.4.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "be47db7ff7571cf98384b8d63b8aa52bbe9d0d092585b2f939d986ea7ccf3185", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be47db7ff7571cf98384b8d63b8aa52bbe9d0d092585b2f939d986ea7ccf3185", kill_on_drop: false }`
[INFO] [stdout] be47db7ff7571cf98384b8d63b8aa52bbe9d0d092585b2f939d986ea7ccf3185
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed0190049b74b670202b7b7be7c98f6efcae0b3fcbedb9f589b6e657cf68c6e0
[INFO] running `Command { std: "docker" "start" "-a" "ed0190049b74b670202b7b7be7c98f6efcae0b3fcbedb9f589b6e657cf68c6e0", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling nexus v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/reactor/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/reactor/mod.rs:109:26
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let event_loop = try!(EventLoop::configured(config.to_event_loop_config()));
[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/tcp/tcp_reactor.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let reactor = try!(Reactor::with_configuration(reactor_proto, config));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/protocol.rs:10:48
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn on_readable(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn on_readable(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/protocol.rs:13:48
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn on_writable(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn on_writable(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/protocol.rs:16:47
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn on_timeout(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn on_timeout(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/protocol.rs:19:50
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn on_disconnect(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn on_disconnect(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/protocol.rs:22:52
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn on_socket_error(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn on_socket_error(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/protocol.rs:28:41
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn tick(&mut self, configurer: &mut Configurer<Self::Socket>);
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn tick(&mut self, configurer: &mut dyn Configurer<Self::Socket>);
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tcp/protocol.rs:11:47
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn on_connect(&mut self, configurer: &mut Configurer<Self::Socket>, socket: TcpStream);
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn on_connect(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: TcpStream);
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reactor/handler.rs:233:33
[INFO] [stdout]     |
[INFO] [stdout] 233 |                configurer: &mut Configurer<P::Socket>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 233 |                configurer: &mut dyn Configurer<P::Socket>,
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tcp/protocol.rs:29:47
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn on_connect(&mut self, configurer: &mut Configurer<Self::Socket>, socket: TcpStream) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn on_connect(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: TcpStream) {
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tcp/protocol.rs:37:48
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn on_readable(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn on_readable(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tcp/protocol.rs:41:48
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn on_writable(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn on_writable(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tcp/protocol.rs:45:47
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn on_timeout(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn on_timeout(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tcp/protocol.rs:49:50
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn on_disconnect(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn on_disconnect(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tcp/protocol.rs:53:52
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn on_socket_error(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn on_socket_error(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tcp/protocol.rs:61:41
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn tick(&mut self, configurer: &mut Configurer<Self::Socket>) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn tick(&mut self, configurer: &mut dyn Configurer<Self::Socket>) {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/reactor/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/reactor/mod.rs:109:26
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let event_loop = try!(EventLoop::configured(config.to_event_loop_config()));
[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/tcp/tcp_reactor.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let reactor = try!(Reactor::with_configuration(reactor_proto, config));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]    --> src/reactor/mod.rs:230:24
[INFO] [stdout]     |
[INFO] [stdout] 230 |         ::std::thread::sleep_ms(60);
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]    --> src/reactor/mod.rs:240:24
[INFO] [stdout]     |
[INFO] [stdout] 240 |         ::std::thread::sleep_ms(60);
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/protocol.rs:10:48
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn on_readable(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn on_readable(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/protocol.rs:13:48
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn on_writable(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn on_writable(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/protocol.rs:16:47
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn on_timeout(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn on_timeout(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/protocol.rs:19:50
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn on_disconnect(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn on_disconnect(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/protocol.rs:22:52
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn on_socket_error(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn on_socket_error(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/protocol.rs:28:41
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn tick(&mut self, configurer: &mut Configurer<Self::Socket>);
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn tick(&mut self, configurer: &mut dyn Configurer<Self::Socket>);
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tcp/protocol.rs:11:47
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn on_connect(&mut self, configurer: &mut Configurer<Self::Socket>, socket: TcpStream);
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn on_connect(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: TcpStream);
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reactor/handler.rs:233:33
[INFO] [stdout]     |
[INFO] [stdout] 233 |                configurer: &mut Configurer<P::Socket>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 233 |                configurer: &mut dyn Configurer<P::Socket>,
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tcp/protocol.rs:29:47
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn on_connect(&mut self, configurer: &mut Configurer<Self::Socket>, socket: TcpStream) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn on_connect(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: TcpStream) {
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tcp/protocol.rs:37:48
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn on_readable(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn on_readable(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tcp/protocol.rs:41:48
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn on_writable(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn on_writable(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tcp/protocol.rs:45:47
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn on_timeout(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn on_timeout(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tcp/protocol.rs:49:50
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn on_disconnect(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn on_disconnect(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tcp/protocol.rs:53:52
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn on_socket_error(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn on_socket_error(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tcp/protocol.rs:61:41
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn tick(&mut self, configurer: &mut Configurer<Self::Socket>) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn tick(&mut self, configurer: &mut dyn Configurer<Self::Socket>) {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/test_helpers/fake_protocol.rs:78:48
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn on_readable(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, _token: Token) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn on_readable(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, _token: Token) {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/test_helpers/fake_protocol.rs:96:48
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn on_writable(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, _token: Token) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn on_writable(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, _token: Token) {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/test_helpers/fake_protocol.rs:104:47
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn on_timeout(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, _token: Token) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn on_timeout(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, _token: Token) {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/test_helpers/fake_protocol.rs:112:50
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn on_disconnect(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, _token: Token) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn on_disconnect(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, _token: Token) {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/test_helpers/fake_protocol.rs:120:52
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn on_socket_error(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, _token: Token) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn on_socket_error(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, _token: Token) {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/test_helpers/fake_protocol.rs:132:41
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn tick(&mut self, configurer: &mut Configurer<Self::Socket>) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn tick(&mut self, configurer: &mut dyn Configurer<Self::Socket>) {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/test_helpers/fake_protocol.rs:193:52
[INFO] [stdout]     |
[INFO] [stdout] 193 |     fn configure(&mut self, event_configurer: &mut Configurer<<Self as Protocol>::Socket>) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 193 |     fn configure(&mut self, event_configurer: &mut dyn Configurer<<Self as Protocol>::Socket>) {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/test_helpers/fake_tcp_protocol.rs:29:49
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn on_readable(&mut self, _configurer: &mut Configurer<Self::Socket>, _socket: &mut Self::Socket, _token: Token) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn on_readable(&mut self, _configurer: &mut dyn Configurer<Self::Socket>, _socket: &mut Self::Socket, _token: Token) {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/test_helpers/fake_tcp_protocol.rs:32:49
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn on_writable(&mut self, _configurer: &mut Configurer<Self::Socket>, _socket: &mut Self::Socket, _token: Token) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn on_writable(&mut self, _configurer: &mut dyn Configurer<Self::Socket>, _socket: &mut Self::Socket, _token: Token) {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/test_helpers/fake_tcp_protocol.rs:35:48
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn on_timeout(&mut self, _configurer: &mut Configurer<Self::Socket>, _socket: &mut Self::Socket, _token: Token) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn on_timeout(&mut self, _configurer: &mut dyn Configurer<Self::Socket>, _socket: &mut Self::Socket, _token: Token) {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/test_helpers/fake_tcp_protocol.rs:38:51
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn on_disconnect(&mut self, _configurer: &mut Configurer<Self::Socket>, _socket: &mut Self::Socket, _token: Token) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn on_disconnect(&mut self, _configurer: &mut dyn Configurer<Self::Socket>, _socket: &mut Self::Socket, _token: Token) {
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/test_helpers/fake_tcp_protocol.rs:41:53
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn on_socket_error(&mut self, _configurer: &mut Configurer<Self::Socket>, _socket: &mut Self::Socket, _token: Token) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn on_socket_error(&mut self, _configurer: &mut dyn Configurer<Self::Socket>, _socket: &mut Self::Socket, _token: Token) {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/test_helpers/fake_tcp_protocol.rs:48:42
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn tick(&mut self, _configurer: &mut Configurer<Self::Socket>) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn tick(&mut self, _configurer: &mut dyn Configurer<Self::Socket>) {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/test_helpers/fake_tcp_protocol.rs:53:47
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn on_connect(&mut self, configurer: &mut Configurer<Self::Socket>, socket: TcpStream) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn on_connect(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: TcpStream) {
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Configurer`
[INFO] [stdout]    --> src/reactor/mod.rs:155:28
[INFO] [stdout]     |
[INFO] [stdout] 155 |     use reactor::{Reactor, Configurer, ReactorConfig};
[INFO] [stdout]     |                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.11s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.4.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "ed0190049b74b670202b7b7be7c98f6efcae0b3fcbedb9f589b6e657cf68c6e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed0190049b74b670202b7b7be7c98f6efcae0b3fcbedb9f589b6e657cf68c6e0", kill_on_drop: false }`
[INFO] [stdout] ed0190049b74b670202b7b7be7c98f6efcae0b3fcbedb9f589b6e657cf68c6e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4d39f865c18b6423b83fc37b66eb789b1e37ab824fa6783b13b26903be0d072d
[INFO] running `Command { std: "docker" "start" "-a" "4d39f865c18b6423b83fc37b66eb789b1e37ab824fa6783b13b26903be0d072d", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/reactor/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/reactor/mod.rs:109:26
[INFO] [stderr]     |
[INFO] [stderr] 109 |         let event_loop = try!(EventLoop::configured(config.to_event_loop_config()));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/tcp/tcp_reactor.rs:22:23
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let reactor = try!(Reactor::with_configuration(reactor_proto, config));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/protocol.rs:10:48
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn on_readable(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn on_readable(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[INFO] [stderr]    |                                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/protocol.rs:13:48
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn on_writable(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn on_writable(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[INFO] [stderr]    |                                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/protocol.rs:16:47
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn on_timeout(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn on_timeout(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[INFO] [stderr]    |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/protocol.rs:19:50
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn on_disconnect(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn on_disconnect(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[INFO] [stderr]    |                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/protocol.rs:22:52
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn on_socket_error(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn on_socket_error(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[INFO] [stderr]    |                                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/protocol.rs:28:41
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn tick(&mut self, configurer: &mut Configurer<Self::Socket>);
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn tick(&mut self, configurer: &mut dyn Configurer<Self::Socket>);
[INFO] [stderr]    |                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tcp/protocol.rs:11:47
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn on_connect(&mut self, configurer: &mut Configurer<Self::Socket>, socket: TcpStream);
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn on_connect(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: TcpStream);
[INFO] [stderr]    |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reactor/handler.rs:233:33
[INFO] [stderr]     |
[INFO] [stderr] 233 |                configurer: &mut Configurer<P::Socket>,
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 233 |                configurer: &mut dyn Configurer<P::Socket>,
[INFO] [stderr]     |                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tcp/protocol.rs:29:47
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn on_connect(&mut self, configurer: &mut Configurer<Self::Socket>, socket: TcpStream) {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn on_connect(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: TcpStream) {
[INFO] [stderr]    |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tcp/protocol.rs:37:48
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn on_readable(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn on_readable(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[INFO] [stderr]    |                                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tcp/protocol.rs:41:48
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn on_writable(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn on_writable(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[INFO] [stderr]    |                                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tcp/protocol.rs:45:47
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn on_timeout(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn on_timeout(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[INFO] [stderr]    |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tcp/protocol.rs:49:50
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn on_disconnect(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn on_disconnect(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[INFO] [stderr]    |                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tcp/protocol.rs:53:52
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn on_socket_error(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn on_socket_error(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[INFO] [stderr]    |                                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tcp/protocol.rs:61:41
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn tick(&mut self, configurer: &mut Configurer<Self::Socket>) {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn tick(&mut self, configurer: &mut dyn Configurer<Self::Socket>) {
[INFO] [stderr]    |                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stderr]    --> src/reactor/mod.rs:230:24
[INFO] [stderr]     |
[INFO] [stderr] 230 |         ::std::thread::sleep_ms(60);
[INFO] [stderr]     |                        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stderr]    --> src/reactor/mod.rs:240:24
[INFO] [stderr]     |
[INFO] [stderr] 240 |         ::std::thread::sleep_ms(60);
[INFO] [stderr]     |                        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/test_helpers/fake_protocol.rs:78:48
[INFO] [stderr]    |
[INFO] [stderr] 78 |     fn on_readable(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, _token: Token) {
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 78 |     fn on_readable(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, _token: Token) {
[INFO] [stderr]    |                                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/test_helpers/fake_protocol.rs:96:48
[INFO] [stderr]    |
[INFO] [stderr] 96 |     fn on_writable(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, _token: Token) {
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 96 |     fn on_writable(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, _token: Token) {
[INFO] [stderr]    |                                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/test_helpers/fake_protocol.rs:104:47
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn on_timeout(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, _token: Token) {
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn on_timeout(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, _token: Token) {
[INFO] [stderr]     |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/test_helpers/fake_protocol.rs:112:50
[INFO] [stderr]     |
[INFO] [stderr] 112 |     fn on_disconnect(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, _token: Token) {
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 112 |     fn on_disconnect(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, _token: Token) {
[INFO] [stderr]     |                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/test_helpers/fake_protocol.rs:120:52
[INFO] [stderr]     |
[INFO] [stderr] 120 |     fn on_socket_error(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, _token: Token) {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 120 |     fn on_socket_error(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: &mut Self::Socket, _token: Token) {
[INFO] [stderr]     |                                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/test_helpers/fake_protocol.rs:132:41
[INFO] [stderr]     |
[INFO] [stderr] 132 |     fn tick(&mut self, configurer: &mut Configurer<Self::Socket>) {
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 132 |     fn tick(&mut self, configurer: &mut dyn Configurer<Self::Socket>) {
[INFO] [stderr]     |                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/test_helpers/fake_protocol.rs:193:52
[INFO] [stderr]     |
[INFO] [stderr] 193 |     fn configure(&mut self, event_configurer: &mut Configurer<<Self as Protocol>::Socket>) {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 193 |     fn configure(&mut self, event_configurer: &mut dyn Configurer<<Self as Protocol>::Socket>) {
[INFO] [stderr]     |                                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/test_helpers/fake_tcp_protocol.rs:29:49
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn on_readable(&mut self, _configurer: &mut Configurer<Self::Socket>, _socket: &mut Self::Socket, _token: Token) {
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn on_readable(&mut self, _configurer: &mut dyn Configurer<Self::Socket>, _socket: &mut Self::Socket, _token: Token) {
[INFO] [stderr]    |                                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/test_helpers/fake_tcp_protocol.rs:32:49
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn on_writable(&mut self, _configurer: &mut Configurer<Self::Socket>, _socket: &mut Self::Socket, _token: Token) {
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn on_writable(&mut self, _configurer: &mut dyn Configurer<Self::Socket>, _socket: &mut Self::Socket, _token: Token) {
[INFO] [stderr]    |                                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/test_helpers/fake_tcp_protocol.rs:35:48
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn on_timeout(&mut self, _configurer: &mut Configurer<Self::Socket>, _socket: &mut Self::Socket, _token: Token) {
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn on_timeout(&mut self, _configurer: &mut dyn Configurer<Self::Socket>, _socket: &mut Self::Socket, _token: Token) {
[INFO] [stderr]    |                                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/test_helpers/fake_tcp_protocol.rs:38:51
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn on_disconnect(&mut self, _configurer: &mut Configurer<Self::Socket>, _socket: &mut Self::Socket, _token: Token) {
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn on_disconnect(&mut self, _configurer: &mut dyn Configurer<Self::Socket>, _socket: &mut Self::Socket, _token: Token) {
[INFO] [stderr]    |                                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/test_helpers/fake_tcp_protocol.rs:41:53
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn on_socket_error(&mut self, _configurer: &mut Configurer<Self::Socket>, _socket: &mut Self::Socket, _token: Token) {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn on_socket_error(&mut self, _configurer: &mut dyn Configurer<Self::Socket>, _socket: &mut Self::Socket, _token: Token) {
[INFO] [stderr]    |                                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/test_helpers/fake_tcp_protocol.rs:48:42
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn tick(&mut self, _configurer: &mut Configurer<Self::Socket>) {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn tick(&mut self, _configurer: &mut dyn Configurer<Self::Socket>) {
[INFO] [stderr]    |                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/test_helpers/fake_tcp_protocol.rs:53:47
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn on_connect(&mut self, configurer: &mut Configurer<Self::Socket>, socket: TcpStream) {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn on_connect(&mut self, configurer: &mut dyn Configurer<Self::Socket>, socket: TcpStream) {
[INFO] [stderr]    |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Configurer`
[INFO] [stderr]    --> src/reactor/mod.rs:155:28
[INFO] [stderr]     |
[INFO] [stderr] 155 |     use reactor::{Reactor, Configurer, ReactorConfig};
[INFO] [stderr]     |                            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `nexus` (lib) generated 18 warnings (run `cargo fix --lib -p nexus` to apply 16 suggestions)
[INFO] [stderr] warning: `nexus` (lib test) generated 35 warnings (18 duplicates) (run `cargo fix --lib -p nexus --tests` to apply 14 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.4.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nexus-7a49f8dc27e394f7)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test reactor::tests::test_reactor_periodic_read ... ok
[INFO] [stdout] test reactor::tests::test_reactor_disconnect ... ok
[INFO] [stdout] test reactor::tests::test_reactor_run_protocol_error ... ok
[INFO] [stdout] test reactor::tests::test_reactor_spin_once_protocol_error ... ok
[INFO] [stdout] test reactor::configurer::tests::test_configurer_shutdown ... ok
[INFO] [stdout] test reactor::tests::test_reactor_read_write ... ok
[INFO] [stdout] test tcp::protocol::tests::test_adding_new_connections ... ok
[INFO] [stdout] test reactor::tests::test_reactor_run_and_shutdown ... ok
[INFO] [stdout] test reactor::tests::test_reactor_timeout ... ok
[INFO] [stdout] test reactor::tests::test_reactor_protocol_socket_configuration ... ok
[INFO] [stdout] test reactor::tests::test_reactor_remove_socket ... ok
[INFO] [stdout] test reactor::tests::test_reactor_update_socket ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nexus
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/tcp/mod.rs - tcp (line 9) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4d39f865c18b6423b83fc37b66eb789b1e37ab824fa6783b13b26903be0d072d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d39f865c18b6423b83fc37b66eb789b1e37ab824fa6783b13b26903be0d072d", kill_on_drop: false }`
[INFO] [stdout] 4d39f865c18b6423b83fc37b66eb789b1e37ab824fa6783b13b26903be0d072d
