[INFO] fetching crate gst-plugin 0.3.2...
[INFO] checking gst-plugin-0.3.2 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate gst-plugin 0.3.2 into /workspace/builds/worker-74/source
[INFO] validating manifest of crates.io crate gst-plugin 0.3.2 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gst-plugin 0.3.2
[INFO] finished tweaking crates.io crate gst-plugin 0.3.2
[INFO] tweaked toml for crates.io crate gst-plugin 0.3.2 written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gobject-subclass v0.2.1
[INFO] [stderr]   Downloaded gstreamer-base v0.12.2
[INFO] [stderr]   Downloaded gstreamer-base-sys v0.6.2
[INFO] [stderr]   Downloaded gstreamer-sys v0.6.2
[INFO] [stderr]   Downloaded gstreamer v0.12.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fb46f4c5291954a61fc293793dea49519e2c698dcde95e3e78d0e089eed96d5
[INFO] running `Command { std: "docker" "start" "-a" "7fb46f4c5291954a61fc293793dea49519e2c698dcde95e3e78d0e089eed96d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fb46f4c5291954a61fc293793dea49519e2c698dcde95e3e78d0e089eed96d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fb46f4c5291954a61fc293793dea49519e2c698dcde95e3e78d0e089eed96d5", kill_on_drop: false }`
[INFO] [stdout] 7fb46f4c5291954a61fc293793dea49519e2c698dcde95e3e78d0e089eed96d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce7c0a55007f4d82b7f623c06b9286c5a3c1c94ff6a510e8ace1f0a69c115cf1
[INFO] running `Command { std: "docker" "start" "-a" "ce7c0a55007f4d82b7f623c06b9286c5a3c1c94ff6a510e8ace1f0a69c115cf1", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling gstreamer v0.12.2
[INFO] [stderr]     Checking muldiv v0.2.1
[INFO] [stderr]    Compiling gstreamer-base v0.12.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling glib-sys v0.7.0
[INFO] [stderr]    Compiling gobject-sys v0.7.0
[INFO] [stderr]    Compiling gstreamer-sys v0.6.2
[INFO] [stderr]    Compiling gstreamer-base-sys v0.6.2
[INFO] [stderr]     Checking glib v0.6.1
[INFO] [stderr]     Checking gobject-subclass v0.2.1
[INFO] [stderr]     Checking gst-plugin v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/element.rs:83:43
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let imp = Any::downcast_ref::<Box<ElementImpl<T> + 'static>>(imp).unwrap();
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ElementImpl<T> + 'static`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:219:53
[INFO] [stdout]     |
[INFO] [stdout] 219 |         impl<T: ElementBase> ElementImpl<T> for Box<$name<T>>
[INFO] [stdout]     |                                                     ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 260 | box_element_impl!(ElementImpl);
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:228:27
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 260 | box_element_impl!(ElementImpl);
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:233:27
[INFO] [stdout]     |
[INFO] [stdout] 233 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 260 | box_element_impl!(ElementImpl);
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:238:27
[INFO] [stdout]     |
[INFO] [stdout] 238 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 260 | box_element_impl!(ElementImpl);
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:243:27
[INFO] [stdout]     |
[INFO] [stdout] 243 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 260 | box_element_impl!(ElementImpl);
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:248:27
[INFO] [stdout]     |
[INFO] [stdout] 248 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 260 | box_element_impl!(ElementImpl);
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:253:27
[INFO] [stdout]     |
[INFO] [stdout] 253 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 260 | box_element_impl!(ElementImpl);
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:265:25
[INFO] [stdout]     |
[INFO] [stdout] 265 |     type ImplType = Box<ElementImpl<Self>>;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ElementImpl<Self>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:219:53
[INFO] [stdout]     |
[INFO] [stdout] 219 |         impl<T: ElementBase> ElementImpl<T> for Box<$name<T>>
[INFO] [stdout]     |                                                     ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/bin.rs:145:1
[INFO] [stdout]     |
[INFO] [stdout] 145 | box_bin_impl!(BinImpl);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:228:27
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/bin.rs:145:1
[INFO] [stdout]     |
[INFO] [stdout] 145 | box_bin_impl!(BinImpl);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:233:27
[INFO] [stdout]     |
[INFO] [stdout] 233 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/bin.rs:145:1
[INFO] [stdout]     |
[INFO] [stdout] 145 | box_bin_impl!(BinImpl);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:238:27
[INFO] [stdout]     |
[INFO] [stdout] 238 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/bin.rs:145:1
[INFO] [stdout]     |
[INFO] [stdout] 145 | box_bin_impl!(BinImpl);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:243:27
[INFO] [stdout]     |
[INFO] [stdout] 243 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/bin.rs:145:1
[INFO] [stdout]     |
[INFO] [stdout] 145 | box_bin_impl!(BinImpl);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:248:27
[INFO] [stdout]     |
[INFO] [stdout] 248 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/bin.rs:145:1
[INFO] [stdout]     |
[INFO] [stdout] 145 | box_bin_impl!(BinImpl);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:253:27
[INFO] [stdout]     |
[INFO] [stdout] 253 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/bin.rs:145:1
[INFO] [stdout]     |
[INFO] [stdout] 145 | box_bin_impl!(BinImpl);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin.rs:124:45
[INFO] [stdout]     |
[INFO] [stdout] 124 |         impl<T: BinBase> BinImpl<T> for Box<$name<T>>
[INFO] [stdout]     |                                             ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 145 | box_bin_impl!(BinImpl);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_bin_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin.rs:129:27
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 145 | box_bin_impl!(BinImpl);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_bin_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin.rs:134:27
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 145 | box_bin_impl!(BinImpl);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_bin_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin.rs:139:27
[INFO] [stdout]     |
[INFO] [stdout] 139 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 145 | box_bin_impl!(BinImpl);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_bin_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin.rs:150:25
[INFO] [stdout]     |
[INFO] [stdout] 150 |     type ImplType = Box<BinImpl<Self>>;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^ help: use `dyn`: `dyn BinImpl<Self>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:219:53
[INFO] [stdout]     |
[INFO] [stdout] 219 |         impl<T: ElementBase> ElementImpl<T> for Box<$name<T>>
[INFO] [stdout]     |                                                     ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/pipeline.rs:90:1
[INFO] [stdout]     |
[INFO] [stdout] 90  | box_pipeline_impl!(PipelineImpl);
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:228:27
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/pipeline.rs:90:1
[INFO] [stdout]     |
[INFO] [stdout] 90  | box_pipeline_impl!(PipelineImpl);
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:233:27
[INFO] [stdout]     |
[INFO] [stdout] 233 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/pipeline.rs:90:1
[INFO] [stdout]     |
[INFO] [stdout] 90  | box_pipeline_impl!(PipelineImpl);
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:238:27
[INFO] [stdout]     |
[INFO] [stdout] 238 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/pipeline.rs:90:1
[INFO] [stdout]     |
[INFO] [stdout] 90  | box_pipeline_impl!(PipelineImpl);
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:243:27
[INFO] [stdout]     |
[INFO] [stdout] 243 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/pipeline.rs:90:1
[INFO] [stdout]     |
[INFO] [stdout] 90  | box_pipeline_impl!(PipelineImpl);
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:248:27
[INFO] [stdout]     |
[INFO] [stdout] 248 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/pipeline.rs:90:1
[INFO] [stdout]     |
[INFO] [stdout] 90  | box_pipeline_impl!(PipelineImpl);
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:253:27
[INFO] [stdout]     |
[INFO] [stdout] 253 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/pipeline.rs:90:1
[INFO] [stdout]     |
[INFO] [stdout] 90  | box_pipeline_impl!(PipelineImpl);
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin.rs:124:45
[INFO] [stdout]     |
[INFO] [stdout] 124 |         impl<T: BinBase> BinImpl<T> for Box<$name<T>>
[INFO] [stdout]     |                                             ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/pipeline.rs:90:1
[INFO] [stdout]     |
[INFO] [stdout] 90  | box_pipeline_impl!(PipelineImpl);
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_bin_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin.rs:129:27
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/pipeline.rs:90:1
[INFO] [stdout]     |
[INFO] [stdout] 90  | box_pipeline_impl!(PipelineImpl);
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_bin_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin.rs:134:27
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/pipeline.rs:90:1
[INFO] [stdout]     |
[INFO] [stdout] 90  | box_pipeline_impl!(PipelineImpl);
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_bin_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin.rs:139:27
[INFO] [stdout]     |
[INFO] [stdout] 139 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/pipeline.rs:90:1
[INFO] [stdout]     |
[INFO] [stdout] 90  | box_pipeline_impl!(PipelineImpl);
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_bin_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pipeline.rs:83:55
[INFO] [stdout]    |
[INFO] [stdout] 83 |         impl<T: PipelineBase> PipelineImpl<T> for Box<$name<T>>
[INFO] [stdout]    |                                                       ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 90 | box_pipeline_impl!(PipelineImpl);
[INFO] [stdout]    | --------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `box_pipeline_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pipeline.rs:95:25
[INFO] [stdout]    |
[INFO] [stdout] 95 |     type ImplType = Box<PipelineImpl<Self>>;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PipelineImpl<Self>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:219:53
[INFO] [stdout]     |
[INFO] [stdout] 219 |         impl<T: ElementBase> ElementImpl<T> for Box<$name<T>>
[INFO] [stdout]     |                                                     ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_src.rs:362:1
[INFO] [stdout]     |
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:228:27
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_src.rs:362:1
[INFO] [stdout]     |
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:233:27
[INFO] [stdout]     |
[INFO] [stdout] 233 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_src.rs:362:1
[INFO] [stdout]     |
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:238:27
[INFO] [stdout]     |
[INFO] [stdout] 238 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_src.rs:362:1
[INFO] [stdout]     |
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:243:27
[INFO] [stdout]     |
[INFO] [stdout] 243 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_src.rs:362:1
[INFO] [stdout]     |
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:248:27
[INFO] [stdout]     |
[INFO] [stdout] 248 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_src.rs:362:1
[INFO] [stdout]     |
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:253:27
[INFO] [stdout]     |
[INFO] [stdout] 253 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_src.rs:362:1
[INFO] [stdout]     |
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_src.rs:270:53
[INFO] [stdout]     |
[INFO] [stdout] 270 |         impl<T: BaseSrcBase> BaseSrcImpl<T> for Box<$name<T>>
[INFO] [stdout]     |                                                     ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_src_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_src.rs:275:27
[INFO] [stdout]     |
[INFO] [stdout] 275 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_src_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_src.rs:280:27
[INFO] [stdout]     |
[INFO] [stdout] 280 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_src_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_src.rs:285:27
[INFO] [stdout]     |
[INFO] [stdout] 285 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_src_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_src.rs:290:27
[INFO] [stdout]     |
[INFO] [stdout] 290 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_src_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_src.rs:301:27
[INFO] [stdout]     |
[INFO] [stdout] 301 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_src_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_src.rs:311:27
[INFO] [stdout]     |
[INFO] [stdout] 311 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_src_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/element.rs:83:43
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let imp = Any::downcast_ref::<Box<ElementImpl<T> + 'static>>(imp).unwrap();
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ElementImpl<T> + 'static`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_src.rs:316:27
[INFO] [stdout]     |
[INFO] [stdout] 316 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_src_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:219:53
[INFO] [stdout]     |
[INFO] [stdout] 219 |         impl<T: ElementBase> ElementImpl<T> for Box<$name<T>>
[INFO] [stdout]     |                                                     ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 260 | box_element_impl!(ElementImpl);
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_src.rs:321:27
[INFO] [stdout]     |
[INFO] [stdout] 321 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_src_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:228:27
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 260 | box_element_impl!(ElementImpl);
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_src.rs:326:27
[INFO] [stdout]     |
[INFO] [stdout] 326 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_src_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:233:27
[INFO] [stdout]     |
[INFO] [stdout] 233 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 260 | box_element_impl!(ElementImpl);
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:238:27
[INFO] [stdout]     |
[INFO] [stdout] 238 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 260 | box_element_impl!(ElementImpl);
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_src.rs:331:27
[INFO] [stdout]     |
[INFO] [stdout] 331 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_src_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:243:27
[INFO] [stdout]     |
[INFO] [stdout] 243 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 260 | box_element_impl!(ElementImpl);
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:248:27
[INFO] [stdout]     |
[INFO] [stdout] 248 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 260 | box_element_impl!(ElementImpl);
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_src.rs:336:27
[INFO] [stdout]     |
[INFO] [stdout] 336 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_src_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:253:27
[INFO] [stdout]     |
[INFO] [stdout] 253 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 260 | box_element_impl!(ElementImpl);
[INFO] [stdout]     | ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:265:25
[INFO] [stdout]     |
[INFO] [stdout] 265 |     type ImplType = Box<ElementImpl<Self>>;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ElementImpl<Self>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_src.rs:341:27
[INFO] [stdout]     |
[INFO] [stdout] 341 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_src_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:219:53
[INFO] [stdout]     |
[INFO] [stdout] 219 |         impl<T: ElementBase> ElementImpl<T> for Box<$name<T>>
[INFO] [stdout]     |                                                     ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/bin.rs:145:1
[INFO] [stdout]     |
[INFO] [stdout] 145 | box_bin_impl!(BinImpl);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_src.rs:346:27
[INFO] [stdout]     |
[INFO] [stdout] 346 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_src_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:228:27
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/bin.rs:145:1
[INFO] [stdout]     |
[INFO] [stdout] 145 | box_bin_impl!(BinImpl);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_src.rs:351:27
[INFO] [stdout]     |
[INFO] [stdout] 351 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_src_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:233:27
[INFO] [stdout]     |
[INFO] [stdout] 233 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/bin.rs:145:1
[INFO] [stdout]     |
[INFO] [stdout] 145 | box_bin_impl!(BinImpl);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:238:27
[INFO] [stdout]     |
[INFO] [stdout] 238 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/bin.rs:145:1
[INFO] [stdout]     |
[INFO] [stdout] 145 | box_bin_impl!(BinImpl);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_src.rs:356:27
[INFO] [stdout]     |
[INFO] [stdout] 356 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_src_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_src.rs:367:25
[INFO] [stdout]     |
[INFO] [stdout] 367 |     type ImplType = Box<BaseSrcImpl<Self>>;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BaseSrcImpl<Self>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:243:27
[INFO] [stdout]     |
[INFO] [stdout] 243 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/bin.rs:145:1
[INFO] [stdout]     |
[INFO] [stdout] 145 | box_bin_impl!(BinImpl);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:219:53
[INFO] [stdout]     |
[INFO] [stdout] 219 |         impl<T: ElementBase> ElementImpl<T> for Box<$name<T>>
[INFO] [stdout]     |                                                     ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_sink.rs:291:1
[INFO] [stdout]     |
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:248:27
[INFO] [stdout]     |
[INFO] [stdout] 248 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/bin.rs:145:1
[INFO] [stdout]     |
[INFO] [stdout] 145 | box_bin_impl!(BinImpl);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:253:27
[INFO] [stdout]     |
[INFO] [stdout] 253 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/bin.rs:145:1
[INFO] [stdout]     |
[INFO] [stdout] 145 | box_bin_impl!(BinImpl);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin.rs:124:45
[INFO] [stdout]     |
[INFO] [stdout] 124 |         impl<T: BinBase> BinImpl<T> for Box<$name<T>>
[INFO] [stdout]     |                                             ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 145 | box_bin_impl!(BinImpl);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_bin_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:228:27
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_sink.rs:291:1
[INFO] [stdout]     |
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin.rs:129:27
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 145 | box_bin_impl!(BinImpl);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_bin_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin.rs:134:27
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 145 | box_bin_impl!(BinImpl);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_bin_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin.rs:139:27
[INFO] [stdout]     |
[INFO] [stdout] 139 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 145 | box_bin_impl!(BinImpl);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_bin_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:233:27
[INFO] [stdout]     |
[INFO] [stdout] 233 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_sink.rs:291:1
[INFO] [stdout]     |
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin.rs:150:25
[INFO] [stdout]     |
[INFO] [stdout] 150 |     type ImplType = Box<BinImpl<Self>>;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^ help: use `dyn`: `dyn BinImpl<Self>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:219:53
[INFO] [stdout]     |
[INFO] [stdout] 219 |         impl<T: ElementBase> ElementImpl<T> for Box<$name<T>>
[INFO] [stdout]     |                                                     ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/pipeline.rs:90:1
[INFO] [stdout]     |
[INFO] [stdout] 90  | box_pipeline_impl!(PipelineImpl);
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:238:27
[INFO] [stdout]     |
[INFO] [stdout] 238 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_sink.rs:291:1
[INFO] [stdout]     |
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:228:27
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/pipeline.rs:90:1
[INFO] [stdout]     |
[INFO] [stdout] 90  | box_pipeline_impl!(PipelineImpl);
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:243:27
[INFO] [stdout]     |
[INFO] [stdout] 243 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_sink.rs:291:1
[INFO] [stdout]     |
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:233:27
[INFO] [stdout]     |
[INFO] [stdout] 233 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/pipeline.rs:90:1
[INFO] [stdout]     |
[INFO] [stdout] 90  | box_pipeline_impl!(PipelineImpl);
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:248:27
[INFO] [stdout]     |
[INFO] [stdout] 248 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_sink.rs:291:1
[INFO] [stdout]     |
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:238:27
[INFO] [stdout]     |
[INFO] [stdout] 238 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/pipeline.rs:90:1
[INFO] [stdout]     |
[INFO] [stdout] 90  | box_pipeline_impl!(PipelineImpl);
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:243:27
[INFO] [stdout]     |
[INFO] [stdout] 243 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/pipeline.rs:90:1
[INFO] [stdout]     |
[INFO] [stdout] 90  | box_pipeline_impl!(PipelineImpl);
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:253:27
[INFO] [stdout]     |
[INFO] [stdout] 253 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_sink.rs:291:1
[INFO] [stdout]     |
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:248:27
[INFO] [stdout]     |
[INFO] [stdout] 248 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/pipeline.rs:90:1
[INFO] [stdout]     |
[INFO] [stdout] 90  | box_pipeline_impl!(PipelineImpl);
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_sink.rs:219:55
[INFO] [stdout]     |
[INFO] [stdout] 219 |         impl<T: BaseSinkBase> BaseSinkImpl<T> for Box<$name<T>>
[INFO] [stdout]     |                                                       ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_sink_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:253:27
[INFO] [stdout]     |
[INFO] [stdout] 253 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/pipeline.rs:90:1
[INFO] [stdout]     |
[INFO] [stdout] 90  | box_pipeline_impl!(PipelineImpl);
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_sink.rs:224:27
[INFO] [stdout]     |
[INFO] [stdout] 224 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_sink_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin.rs:124:45
[INFO] [stdout]     |
[INFO] [stdout] 124 |         impl<T: BinBase> BinImpl<T> for Box<$name<T>>
[INFO] [stdout]     |                                             ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/pipeline.rs:90:1
[INFO] [stdout]     |
[INFO] [stdout] 90  | box_pipeline_impl!(PipelineImpl);
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_bin_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_sink.rs:229:27
[INFO] [stdout]     |
[INFO] [stdout] 229 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_sink_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin.rs:129:27
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/pipeline.rs:90:1
[INFO] [stdout]     |
[INFO] [stdout] 90  | box_pipeline_impl!(PipelineImpl);
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_bin_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin.rs:134:27
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/pipeline.rs:90:1
[INFO] [stdout]     |
[INFO] [stdout] 90  | box_pipeline_impl!(PipelineImpl);
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_bin_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_sink.rs:234:27
[INFO] [stdout]     |
[INFO] [stdout] 234 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_sink_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin.rs:139:27
[INFO] [stdout]     |
[INFO] [stdout] 139 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/pipeline.rs:90:1
[INFO] [stdout]     |
[INFO] [stdout] 90  | box_pipeline_impl!(PipelineImpl);
[INFO] [stdout]     | --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_bin_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pipeline.rs:83:55
[INFO] [stdout]    |
[INFO] [stdout] 83 |         impl<T: PipelineBase> PipelineImpl<T> for Box<$name<T>>
[INFO] [stdout]    |                                                       ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 90 | box_pipeline_impl!(PipelineImpl);
[INFO] [stdout]    | --------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `box_pipeline_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_sink.rs:239:27
[INFO] [stdout]     |
[INFO] [stdout] 239 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_sink_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pipeline.rs:95:25
[INFO] [stdout]    |
[INFO] [stdout] 95 |     type ImplType = Box<PipelineImpl<Self>>;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PipelineImpl<Self>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_sink.rs:244:27
[INFO] [stdout]     |
[INFO] [stdout] 244 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_sink_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:219:53
[INFO] [stdout]     |
[INFO] [stdout] 219 |         impl<T: ElementBase> ElementImpl<T> for Box<$name<T>>
[INFO] [stdout]     |                                                     ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_src.rs:362:1
[INFO] [stdout]     |
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_sink.rs:249:27
[INFO] [stdout]     |
[INFO] [stdout] 249 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_sink_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:228:27
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_src.rs:362:1
[INFO] [stdout]     |
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_sink.rs:254:27
[INFO] [stdout]     |
[INFO] [stdout] 254 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_sink_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_sink.rs:259:27
[INFO] [stdout]     |
[INFO] [stdout] 259 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_sink_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:233:27
[INFO] [stdout]     |
[INFO] [stdout] 233 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_src.rs:362:1
[INFO] [stdout]     |
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_sink.rs:264:27
[INFO] [stdout]     |
[INFO] [stdout] 264 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_sink_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:238:27
[INFO] [stdout]     |
[INFO] [stdout] 238 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_src.rs:362:1
[INFO] [stdout]     |
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_sink.rs:269:27
[INFO] [stdout]     |
[INFO] [stdout] 269 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_sink_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:243:27
[INFO] [stdout]     |
[INFO] [stdout] 243 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_src.rs:362:1
[INFO] [stdout]     |
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_sink.rs:274:27
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_sink_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:248:27
[INFO] [stdout]     |
[INFO] [stdout] 248 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_src.rs:362:1
[INFO] [stdout]     |
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_sink.rs:279:27
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_sink_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_sink.rs:284:27
[INFO] [stdout]     |
[INFO] [stdout] 284 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_sink_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_sink.rs:296:25
[INFO] [stdout]     |
[INFO] [stdout] 296 |     type ImplType = Box<BaseSinkImpl<Self>>;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BaseSinkImpl<Self>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:253:27
[INFO] [stdout]     |
[INFO] [stdout] 253 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_src.rs:362:1
[INFO] [stdout]     |
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_src.rs:270:53
[INFO] [stdout]     |
[INFO] [stdout] 270 |         impl<T: BaseSrcBase> BaseSrcImpl<T> for Box<$name<T>>
[INFO] [stdout]     |                                                     ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_src_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:219:53
[INFO] [stdout]     |
[INFO] [stdout] 219 |         impl<T: ElementBase> ElementImpl<T> for Box<$name<T>>
[INFO] [stdout]     |                                                     ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_transform.rs:424:1
[INFO] [stdout]     |
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_src.rs:275:27
[INFO] [stdout]     |
[INFO] [stdout] 275 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_src_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_src.rs:280:27
[INFO] [stdout]     |
[INFO] [stdout] 280 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_src_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:228:27
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_transform.rs:424:1
[INFO] [stdout]     |
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_src.rs:285:27
[INFO] [stdout]     |
[INFO] [stdout] 285 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_src_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_src.rs:290:27
[INFO] [stdout]     |
[INFO] [stdout] 290 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_src_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:233:27
[INFO] [stdout]     |
[INFO] [stdout] 233 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_transform.rs:424:1
[INFO] [stdout]     |
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_src.rs:301:27
[INFO] [stdout]     |
[INFO] [stdout] 301 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_src_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:238:27
[INFO] [stdout]     |
[INFO] [stdout] 238 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_transform.rs:424:1
[INFO] [stdout]     |
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_src.rs:311:27
[INFO] [stdout]     |
[INFO] [stdout] 311 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_src_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_src.rs:316:27
[INFO] [stdout]     |
[INFO] [stdout] 316 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_src_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:243:27
[INFO] [stdout]     |
[INFO] [stdout] 243 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_transform.rs:424:1
[INFO] [stdout]     |
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_src.rs:321:27
[INFO] [stdout]     |
[INFO] [stdout] 321 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_src_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_src.rs:326:27
[INFO] [stdout]     |
[INFO] [stdout] 326 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_src_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:248:27
[INFO] [stdout]     |
[INFO] [stdout] 248 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_transform.rs:424:1
[INFO] [stdout]     |
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_src.rs:331:27
[INFO] [stdout]     |
[INFO] [stdout] 331 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_src_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_src.rs:336:27
[INFO] [stdout]     |
[INFO] [stdout] 336 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_src_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:253:27
[INFO] [stdout]     |
[INFO] [stdout] 253 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_transform.rs:424:1
[INFO] [stdout]     |
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_src.rs:341:27
[INFO] [stdout]     |
[INFO] [stdout] 341 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_src_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_transform.rs:348:65
[INFO] [stdout]     |
[INFO] [stdout] 348 |         impl<T: BaseTransformBase> BaseTransformImpl<T> for Box<$name<T>>
[INFO] [stdout]     |                                                                 ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_transform_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_src.rs:346:27
[INFO] [stdout]     |
[INFO] [stdout] 346 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_src_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_transform.rs:353:27
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_transform_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_src.rs:351:27
[INFO] [stdout]     |
[INFO] [stdout] 351 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_src_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_src.rs:356:27
[INFO] [stdout]     |
[INFO] [stdout] 356 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 362 | box_base_src_impl!(BaseSrcImpl);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_src_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_transform.rs:358:27
[INFO] [stdout]     |
[INFO] [stdout] 358 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_transform_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_src.rs:367:25
[INFO] [stdout]     |
[INFO] [stdout] 367 |     type ImplType = Box<BaseSrcImpl<Self>>;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BaseSrcImpl<Self>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:219:53
[INFO] [stdout]     |
[INFO] [stdout] 219 |         impl<T: ElementBase> ElementImpl<T> for Box<$name<T>>
[INFO] [stdout]     |                                                     ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_sink.rs:291:1
[INFO] [stdout]     |
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_transform.rs:363:27
[INFO] [stdout]     |
[INFO] [stdout] 363 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_transform_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:228:27
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_sink.rs:291:1
[INFO] [stdout]     |
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_transform.rs:368:27
[INFO] [stdout]     |
[INFO] [stdout] 368 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_transform_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:233:27
[INFO] [stdout]     |
[INFO] [stdout] 233 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_sink.rs:291:1
[INFO] [stdout]     |
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_transform.rs:373:27
[INFO] [stdout]     |
[INFO] [stdout] 373 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_transform_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:238:27
[INFO] [stdout]     |
[INFO] [stdout] 238 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_sink.rs:291:1
[INFO] [stdout]     |
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_transform.rs:378:27
[INFO] [stdout]     |
[INFO] [stdout] 378 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_transform_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:243:27
[INFO] [stdout]     |
[INFO] [stdout] 243 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_sink.rs:291:1
[INFO] [stdout]     |
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_transform.rs:383:27
[INFO] [stdout]     |
[INFO] [stdout] 383 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_transform_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:248:27
[INFO] [stdout]     |
[INFO] [stdout] 248 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_sink.rs:291:1
[INFO] [stdout]     |
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_transform.rs:388:27
[INFO] [stdout]     |
[INFO] [stdout] 388 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_transform_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:253:27
[INFO] [stdout]     |
[INFO] [stdout] 253 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_sink.rs:291:1
[INFO] [stdout]     |
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_sink.rs:219:55
[INFO] [stdout]     |
[INFO] [stdout] 219 |         impl<T: BaseSinkBase> BaseSinkImpl<T> for Box<$name<T>>
[INFO] [stdout]     |                                                       ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_sink_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_transform.rs:393:27
[INFO] [stdout]     |
[INFO] [stdout] 393 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_transform_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_sink.rs:224:27
[INFO] [stdout]     |
[INFO] [stdout] 224 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_sink_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_sink.rs:229:27
[INFO] [stdout]     |
[INFO] [stdout] 229 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_sink_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_transform.rs:398:27
[INFO] [stdout]     |
[INFO] [stdout] 398 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_transform_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_transform.rs:403:27
[INFO] [stdout]     |
[INFO] [stdout] 403 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_transform_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_sink.rs:234:27
[INFO] [stdout]     |
[INFO] [stdout] 234 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_sink_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_sink.rs:239:27
[INFO] [stdout]     |
[INFO] [stdout] 239 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_sink_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_transform.rs:408:27
[INFO] [stdout]     |
[INFO] [stdout] 408 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_transform_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_sink.rs:244:27
[INFO] [stdout]     |
[INFO] [stdout] 244 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_sink_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_transform.rs:413:27
[INFO] [stdout]     |
[INFO] [stdout] 413 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_transform_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_sink.rs:249:27
[INFO] [stdout]     |
[INFO] [stdout] 249 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_sink_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_transform.rs:418:27
[INFO] [stdout]     |
[INFO] [stdout] 418 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_transform_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_transform.rs:429:25
[INFO] [stdout]     |
[INFO] [stdout] 429 |     type ImplType = Box<BaseTransformImpl<Self>>;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BaseTransformImpl<Self>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_sink.rs:254:27
[INFO] [stdout]     |
[INFO] [stdout] 254 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_sink_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/pad.rs:98:45
[INFO] [stdout]     |
[INFO] [stdout] 98  |         impl<T: PadBase> PadImpl<T> for Box<$name<T>>
[INFO] [stdout]     |                                             ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 112 | box_pad_impl!(PadImpl);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_pad_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_sink.rs:259:27
[INFO] [stdout]     |
[INFO] [stdout] 259 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_sink_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/pad.rs:101:27
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 112 | box_pad_impl!(PadImpl);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_pad_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/pad.rs:106:27
[INFO] [stdout]     |
[INFO] [stdout] 106 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 112 | box_pad_impl!(PadImpl);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_pad_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/pad.rs:117:25
[INFO] [stdout]     |
[INFO] [stdout] 117 |     type ImplType = Box<PadImpl<Self>>;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^ help: use `dyn`: `dyn PadImpl<Self>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_sink.rs:264:27
[INFO] [stdout]     |
[INFO] [stdout] 264 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_sink_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pad.rs:98:45
[INFO] [stdout]    |
[INFO] [stdout] 98 |         impl<T: PadBase> PadImpl<T> for Box<$name<T>>
[INFO] [stdout]    |                                             ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/ghost_pad.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | box_ghost_pad_impl!(GhostPadImpl);
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `box_pad_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_sink.rs:269:27
[INFO] [stdout]     |
[INFO] [stdout] 269 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_sink_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/pad.rs:101:27
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/ghost_pad.rs:75:1
[INFO] [stdout]     |
[INFO] [stdout] 75  | box_ghost_pad_impl!(GhostPadImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_pad_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/pad.rs:106:27
[INFO] [stdout]     |
[INFO] [stdout] 106 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/ghost_pad.rs:75:1
[INFO] [stdout]     |
[INFO] [stdout] 75  | box_ghost_pad_impl!(GhostPadImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_pad_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ghost_pad.rs:70:55
[INFO] [stdout]    |
[INFO] [stdout] 70 |         impl<T: GhostPadBase> GhostPadImpl<T> for Box<$name<T>>
[INFO] [stdout]    |                                                       ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 75 | box_ghost_pad_impl!(GhostPadImpl);
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `box_ghost_pad_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_sink.rs:274:27
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_sink_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ghost_pad.rs:80:25
[INFO] [stdout]    |
[INFO] [stdout] 80 |     type ImplType = Box<GhostPadImpl<Self>>;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GhostPadImpl<Self>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/child_proxy.rs:49:57
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn get_impl<'a>(&self, imp: &'a T::ImplType) -> &'a ChildProxyImpl;
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ChildProxyImpl`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/child_proxy.rs:53:24
[INFO] [stdout]    |
[INFO] [stdout] 53 |     imp_static: *const ChildProxyImplStatic<T>,
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ChildProxyImplStatic<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/child_proxy.rs:180:27
[INFO] [stdout]     |
[INFO] [stdout] 180 |         let imp = imp as &ChildProxyImplStatic<T> as *const ChildProxyImplStatic<T>;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ChildProxyImplStatic<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/child_proxy.rs:180:61
[INFO] [stdout]     |
[INFO] [stdout] 180 |         let imp = imp as &ChildProxyImplStatic<T> as *const ChildProxyImplStatic<T>;
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ChildProxyImplStatic<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_sink.rs:279:27
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_sink_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/uri_handler.rs:30:57
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn get_impl<'a>(&self, imp: &'a T::ImplType) -> &'a URIHandlerImpl;
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn URIHandlerImpl`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/uri_handler.rs:36:24
[INFO] [stdout]    |
[INFO] [stdout] 36 |     imp_static: *const URIHandlerImplStatic<T>,
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn URIHandlerImplStatic<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/uri_handler.rs:131:27
[INFO] [stdout]     |
[INFO] [stdout] 131 |         let imp = imp as &URIHandlerImplStatic<T> as *const URIHandlerImplStatic<T>;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn URIHandlerImplStatic<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_sink.rs:284:27
[INFO] [stdout]     |
[INFO] [stdout] 284 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 291 | box_base_sink_impl!(BaseSinkImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_sink_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/uri_handler.rs:131:61
[INFO] [stdout]     |
[INFO] [stdout] 131 |         let imp = imp as &URIHandlerImplStatic<T> as *const URIHandlerImplStatic<T>;
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn URIHandlerImplStatic<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_sink.rs:296:25
[INFO] [stdout]     |
[INFO] [stdout] 296 |     type ImplType = Box<BaseSinkImpl<Self>>;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BaseSinkImpl<Self>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:219:53
[INFO] [stdout]     |
[INFO] [stdout] 219 |         impl<T: ElementBase> ElementImpl<T> for Box<$name<T>>
[INFO] [stdout]     |                                                     ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_transform.rs:424:1
[INFO] [stdout]     |
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:228:27
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_transform.rs:424:1
[INFO] [stdout]     |
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:233:27
[INFO] [stdout]     |
[INFO] [stdout] 233 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_transform.rs:424:1
[INFO] [stdout]     |
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:238:27
[INFO] [stdout]     |
[INFO] [stdout] 238 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_transform.rs:424:1
[INFO] [stdout]     |
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:243:27
[INFO] [stdout]     |
[INFO] [stdout] 243 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_transform.rs:424:1
[INFO] [stdout]     |
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:248:27
[INFO] [stdout]     |
[INFO] [stdout] 248 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_transform.rs:424:1
[INFO] [stdout]     |
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/element.rs:253:27
[INFO] [stdout]     |
[INFO] [stdout] 253 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/base_transform.rs:424:1
[INFO] [stdout]     |
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_element_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_transform.rs:348:65
[INFO] [stdout]     |
[INFO] [stdout] 348 |         impl<T: BaseTransformBase> BaseTransformImpl<T> for Box<$name<T>>
[INFO] [stdout]     |                                                                 ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_transform_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_transform.rs:353:27
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_transform_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_transform.rs:358:27
[INFO] [stdout]     |
[INFO] [stdout] 358 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_transform_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_transform.rs:363:27
[INFO] [stdout]     |
[INFO] [stdout] 363 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_transform_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_transform.rs:368:27
[INFO] [stdout]     |
[INFO] [stdout] 368 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_transform_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_transform.rs:373:27
[INFO] [stdout]     |
[INFO] [stdout] 373 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_transform_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_transform.rs:378:27
[INFO] [stdout]     |
[INFO] [stdout] 378 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_transform_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_transform.rs:383:27
[INFO] [stdout]     |
[INFO] [stdout] 383 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_transform_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_transform.rs:388:27
[INFO] [stdout]     |
[INFO] [stdout] 388 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_transform_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_transform.rs:393:27
[INFO] [stdout]     |
[INFO] [stdout] 393 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_transform_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_transform.rs:398:27
[INFO] [stdout]     |
[INFO] [stdout] 398 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_transform_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_transform.rs:403:27
[INFO] [stdout]     |
[INFO] [stdout] 403 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_transform_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_transform.rs:408:27
[INFO] [stdout]     |
[INFO] [stdout] 408 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_transform_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_transform.rs:413:27
[INFO] [stdout]     |
[INFO] [stdout] 413 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_transform_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_transform.rs:418:27
[INFO] [stdout]     |
[INFO] [stdout] 418 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 424 | box_base_transform_impl!(BaseTransformImpl);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_base_transform_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/base_transform.rs:429:25
[INFO] [stdout]     |
[INFO] [stdout] 429 |     type ImplType = Box<BaseTransformImpl<Self>>;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BaseTransformImpl<Self>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/pad.rs:98:45
[INFO] [stdout]     |
[INFO] [stdout] 98  |         impl<T: PadBase> PadImpl<T> for Box<$name<T>>
[INFO] [stdout]     |                                             ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 112 | box_pad_impl!(PadImpl);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_pad_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/pad.rs:101:27
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 112 | box_pad_impl!(PadImpl);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_pad_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/pad.rs:106:27
[INFO] [stdout]     |
[INFO] [stdout] 106 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 112 | box_pad_impl!(PadImpl);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_pad_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/pad.rs:117:25
[INFO] [stdout]     |
[INFO] [stdout] 117 |     type ImplType = Box<PadImpl<Self>>;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^ help: use `dyn`: `dyn PadImpl<Self>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pad.rs:98:45
[INFO] [stdout]    |
[INFO] [stdout] 98 |         impl<T: PadBase> PadImpl<T> for Box<$name<T>>
[INFO] [stdout]    |                                             ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/ghost_pad.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | box_ghost_pad_impl!(GhostPadImpl);
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `box_pad_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/pad.rs:101:27
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/ghost_pad.rs:75:1
[INFO] [stdout]     |
[INFO] [stdout] 75  | box_ghost_pad_impl!(GhostPadImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_pad_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/pad.rs:106:27
[INFO] [stdout]     |
[INFO] [stdout] 106 |                 let imp: &$name<T> = self.as_ref();
[INFO] [stdout]     |                           ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/ghost_pad.rs:75:1
[INFO] [stdout]     |
[INFO] [stdout] 75  | box_ghost_pad_impl!(GhostPadImpl);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `box_pad_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ghost_pad.rs:70:55
[INFO] [stdout]    |
[INFO] [stdout] 70 |         impl<T: GhostPadBase> GhostPadImpl<T> for Box<$name<T>>
[INFO] [stdout]    |                                                       ^^^^^^^^ help: use `dyn`: `dyn $name<T>`
[INFO] [stdout] ...
[INFO] [stdout] 75 | box_ghost_pad_impl!(GhostPadImpl);
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `box_ghost_pad_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ghost_pad.rs:80:25
[INFO] [stdout]    |
[INFO] [stdout] 80 |     type ImplType = Box<GhostPadImpl<Self>>;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GhostPadImpl<Self>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/child_proxy.rs:49:57
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn get_impl<'a>(&self, imp: &'a T::ImplType) -> &'a ChildProxyImpl;
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ChildProxyImpl`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/child_proxy.rs:53:24
[INFO] [stdout]    |
[INFO] [stdout] 53 |     imp_static: *const ChildProxyImplStatic<T>,
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ChildProxyImplStatic<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/child_proxy.rs:180:27
[INFO] [stdout]     |
[INFO] [stdout] 180 |         let imp = imp as &ChildProxyImplStatic<T> as *const ChildProxyImplStatic<T>;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ChildProxyImplStatic<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/child_proxy.rs:180:61
[INFO] [stdout]     |
[INFO] [stdout] 180 |         let imp = imp as &ChildProxyImplStatic<T> as *const ChildProxyImplStatic<T>;
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ChildProxyImplStatic<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/uri_handler.rs:30:57
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn get_impl<'a>(&self, imp: &'a T::ImplType) -> &'a URIHandlerImpl;
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn URIHandlerImpl`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/uri_handler.rs:36:24
[INFO] [stdout]    |
[INFO] [stdout] 36 |     imp_static: *const URIHandlerImplStatic<T>,
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn URIHandlerImplStatic<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/uri_handler.rs:131:27
[INFO] [stdout]     |
[INFO] [stdout] 131 |         let imp = imp as &URIHandlerImplStatic<T> as *const URIHandlerImplStatic<T>;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn URIHandlerImplStatic<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/uri_handler.rs:131:61
[INFO] [stdout]     |
[INFO] [stdout] 131 |         let imp = imp as &URIHandlerImplStatic<T> as *const URIHandlerImplStatic<T>;
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn URIHandlerImplStatic<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:73:70
[INFO] [stdout]    |
[INFO] [stdout] 73 |             FlowError::Flushing | FlowError::Eos => f.write_str(self.description()),
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:75:57
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 f.write_fmt(format_args!("{}: {}", self.description(), m))
[INFO] [stdout]    |                                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:77:80
[INFO] [stdout]    |
[INFO] [stdout] 77 |             FlowError::Error(ref m) => f.write_fmt(format_args!("{}: {}", self.description(), m)),
[INFO] [stdout]    |                                                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:73:70
[INFO] [stdout]    |
[INFO] [stdout] 73 |             FlowError::Flushing | FlowError::Eos => f.write_str(self.description()),
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:75:57
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 f.write_fmt(format_args!("{}: {}", self.description(), m))
[INFO] [stdout]    |                                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:77:80
[INFO] [stdout]    |
[INFO] [stdout] 77 |             FlowError::Error(ref m) => f.write_fmt(format_args!("{}: {}", self.description(), m)),
[INFO] [stdout]    |                                                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/element.rs:83:19
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let imp = Any::downcast_ref::<Box<ElementImpl<T> + 'static>>(imp).unwrap();
[INFO] [stdout]    |                   ^^^ help: use `dyn`: `<dyn Any>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/element.rs:83:19
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let imp = Any::downcast_ref::<Box<ElementImpl<T> + 'static>>(imp).unwrap();
[INFO] [stdout]    |                   ^^^ help: use `dyn`: `<dyn Any>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 124 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 124 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.72s
[INFO] running `Command { std: "docker" "inspect" "ce7c0a55007f4d82b7f623c06b9286c5a3c1c94ff6a510e8ace1f0a69c115cf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce7c0a55007f4d82b7f623c06b9286c5a3c1c94ff6a510e8ace1f0a69c115cf1", kill_on_drop: false }`
[INFO] [stdout] ce7c0a55007f4d82b7f623c06b9286c5a3c1c94ff6a510e8ace1f0a69c115cf1
