[INFO] cloning repository https://github.com/clinuxrulz/sodium-rust-push-pull
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/clinuxrulz/sodium-rust-push-pull" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclinuxrulz%2Fsodium-rust-push-pull", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclinuxrulz%2Fsodium-rust-push-pull'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 429266536d15d61ba65c328596fabd832480f1b8
[INFO] building clinuxrulz/sodium-rust-push-pull against master#f9988fefd3add01f414f52b414308e7872622fee for pr-155114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclinuxrulz%2Fsodium-rust-push-pull" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/clinuxrulz/sodium-rust-push-pull
[INFO] finished tweaking git repo https://github.com/clinuxrulz/sodium-rust-push-pull
[INFO] tweaked toml for git repo https://github.com/clinuxrulz/sodium-rust-push-pull written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/clinuxrulz/sodium-rust-push-pull on toolchain f9988fefd3add01f414f52b414308e7872622fee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/clinuxrulz/sodium-rust-push-pull already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0727f36001b620d91e1f953bed6e4b70c2b6bcc2de383ea56a74634023cef2c6
[INFO] running `Command { std: "docker" "start" "-a" "0727f36001b620d91e1f953bed6e4b70c2b6bcc2de383ea56a74634023cef2c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0727f36001b620d91e1f953bed6e4b70c2b6bcc2de383ea56a74634023cef2c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0727f36001b620d91e1f953bed6e4b70c2b6bcc2de383ea56a74634023cef2c6", kill_on_drop: false }`
[INFO] [stdout] 0727f36001b620d91e1f953bed6e4b70c2b6bcc2de383ea56a74634023cef2c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 308b51f8a046b9def213a5591ddae965b8fded9006191798dd665b6c36a2c68b
[INFO] running `Command { std: "docker" "start" "-a" "308b51f8a046b9def213a5591ddae965b8fded9006191798dd665b6c36a2c68b", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling sodium-rust-push-pull v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::sodium_ctx::SodiumCtxData`
[INFO] [stdout]   --> src/sodium/impl_/mod.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub use self::sodium_ctx::SodiumCtxData;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sodium::impl_::MemoLazy`
[INFO] [stdout]  --> src/sodium/impl_/cell_loop.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sodium::impl_::MemoLazy;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sodium::impl_::Node`
[INFO] [stdout]  --> src/sodium/impl_/cell_loop.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use sodium::impl_::Node;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sodium::impl_::gc::Gc`
[INFO] [stdout]  --> src/sodium/impl_/cell_loop.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use sodium::impl_::gc::Gc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `lambda`
[INFO] [stdout]   --> src/sodium/impl_/lambda.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 | macro_rules! lambda {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sodium::impl_::Listener`
[INFO] [stdout]  --> src/sodium/impl_/sodium_ctx.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sodium::impl_::Listener;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sodium::impl_::Latch`
[INFO] [stdout]  --> src/sodium/impl_/stream_loop.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sodium::impl_::Latch;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sodium::impl_::MemoLazy`
[INFO] [stdout]  --> src/sodium/impl_/stream_loop.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use sodium::impl_::MemoLazy;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sodium::impl_::Node`
[INFO] [stdout]  --> src/sodium/impl_/stream_loop.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sodium::impl_::Node;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sodium::impl_::gc::Gc`
[INFO] [stdout]  --> src/sodium/impl_/stream_loop.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use sodium::impl_::gc::Gc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:487:16
[INFO] [stdout]     |
[INFO] [stdout] 487 |     trace: Box<Fn(&mut FnMut(*mut Node))>,
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 487 |     trace: Box<dyn Fn(&mut FnMut(*mut Node))>,
[INFO] [stdout]     |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:487:24
[INFO] [stdout]     |
[INFO] [stdout] 487 |     trace: Box<Fn(&mut FnMut(*mut Node))>,
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 487 |     trace: Box<Fn(&mut dyn FnMut(*mut Node))>,
[INFO] [stdout]     |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:488:19
[INFO] [stdout]     |
[INFO] [stdout] 488 |     finalize: Box<Fn()>,
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 488 |     finalize: Box<dyn Fn()>,
[INFO] [stdout]     |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:490:18
[INFO] [stdout]     |
[INFO] [stdout] 490 |     cleanup: Box<Fn()>
[INFO] [stdout]     |                  ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 490 |     cleanup: Box<dyn Fn()>
[INFO] [stdout]     |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/latch.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |     thunk: Box<Fn()->A>,
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 |     thunk: Box<dyn Fn()->A>,
[INFO] [stdout]    |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/memo_lazy.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     thunk: Box<IsLambda0<A>>,
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 |     thunk: Box<dyn IsLambda0<A>>,
[INFO] [stdout]    |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/node.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |     update: Box<FnMut()->bool>,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 31 |     update: Box<dyn FnMut()->bool>,
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/node.rs:35:18
[INFO] [stdout]    |
[INFO] [stdout] 35 |     cleanup: Box<FnMut()>,
[INFO] [stdout]    |                  ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 35 |     cleanup: Box<dyn FnMut()>,
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/sodium_ctx.rs:30:28
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub pre_trans: Vec<Box<FnMut()>>,
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub pre_trans: Vec<Box<dyn FnMut()>>,
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/sodium_ctx.rs:31:29
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub post_trans: Vec<Box<FnMut()>>,
[INFO] [stdout]    |                             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub post_trans: Vec<Box<dyn FnMut()>>,
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/stream_sink.rs:20:29
[INFO] [stdout]    |
[INFO] [stdout] 20 |     coalescer_op: Option<Rc<Fn(&A,&A)->A>>
[INFO] [stdout]    |                             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     coalescer_op: Option<Rc<dyn Fn(&A,&A)->A>>
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:186:29
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn trace(&self, f: &mut FnMut(&GcDep));
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn trace(&self, f: &mut dyn FnMut(&GcDep));
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/cell.rs:112:29
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/cell.rs:35:29
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/cell.rs:466:29
[INFO] [stdout]     |
[INFO] [stdout] 466 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 466 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:196:29
[INFO] [stdout]     |
[INFO] [stdout] 196 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 196 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:202:29
[INFO] [stdout]     |
[INFO] [stdout] 202 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 202 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:209:29
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:218:29
[INFO] [stdout]     |
[INFO] [stdout] 218 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 218 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:230:29
[INFO] [stdout]     |
[INFO] [stdout] 230 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 230 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:258:29
[INFO] [stdout]     |
[INFO] [stdout] 258 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 258 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/latch.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/memo_lazy.rs:20:29
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/memo_lazy.rs:31:29
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/stream.rs:33:29
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/stream.rs:513:29
[INFO] [stdout]     |
[INFO] [stdout] 513 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 513 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/stream_sink.rs:32:65
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn _new(sodium_ctx: &SodiumCtx, coalescer_op: Option<Rc<Fn(&A,&A)->A>>) -> StreamSink<A> {
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn _new(sodium_ctx: &SodiumCtx, coalescer_op: Option<Rc<dyn Fn(&A,&A)->A>>) -> StreamSink<A> {
[INFO] [stdout]    |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/stream_sink.rs:125:29
[INFO] [stdout]     |
[INFO] [stdout] 125 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 125 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/stream.rs:158:29
[INFO] [stdout]     |
[INFO] [stdout] 158 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 158 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/stream_sink.rs:38:29
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:226:30
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn trace(&self, _f: &mut FnMut(&GcDep)) {}
[INFO] [stdout]     |                              ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn trace(&self, _f: &mut dyn FnMut(&GcDep)) {}
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:238:30
[INFO] [stdout]     |
[INFO] [stdout] 238 |     fn trace(&self, _f: &mut FnMut(&GcDep)) {}
[INFO] [stdout]     |                              ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 238 |     fn trace(&self, _f: &mut dyn FnMut(&GcDep)) {}
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:242:30
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn trace(&self, _f: &mut FnMut(&GcDep)) {}
[INFO] [stdout]     |                              ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn trace(&self, _f: &mut dyn FnMut(&GcDep)) {}
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:246:30
[INFO] [stdout]     |
[INFO] [stdout] 246 |     fn trace(&self, _f: &mut FnMut(&GcDep)) {}
[INFO] [stdout]     |                              ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 246 |     fn trace(&self, _f: &mut dyn FnMut(&GcDep)) {}
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:250:30
[INFO] [stdout]     |
[INFO] [stdout] 250 |     fn trace(&self, _f: &mut FnMut(&GcDep)) {}
[INFO] [stdout]     |                              ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 250 |     fn trace(&self, _f: &mut dyn FnMut(&GcDep)) {}
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:254:30
[INFO] [stdout]     |
[INFO] [stdout] 254 |     fn trace(&self, _f: &mut FnMut(&GcDep)) {}
[INFO] [stdout]     |                              ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 254 |     fn trace(&self, _f: &mut dyn FnMut(&GcDep)) {}
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/listener.rs:51:29
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/node.rs:294:29
[INFO] [stdout]     |
[INFO] [stdout] 294 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 294 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/node.rs:305:29
[INFO] [stdout]     |
[INFO] [stdout] 305 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 305 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:494:29
[INFO] [stdout]     |
[INFO] [stdout] 494 |     fn trace(&self, f: &mut FnMut(*mut Node)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 494 |     fn trace(&self, f: &mut dyn FnMut(*mut Node)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:576:47
[INFO] [stdout]     |
[INFO] [stdout] 576 |                 trace: Box::new(move |f: &mut FnMut(*mut Node)| {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 576 |                 trace: Box::new(move |f: &mut dyn FnMut(*mut Node)| {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/sodium/impl_/stream.rs:323:36
[INFO] [stdout]     |
[INFO] [stdout] 323 |             let es_out = ebs.map(|(ref a,ref b):&(B,S)| b.clone());
[INFO] [stdout]     |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/sodium/impl_/stream.rs:322:38
[INFO] [stdout]     |
[INFO] [stdout] 322 |             let eb = ebs.map(|(ref a,ref b):&(B,S)| a.clone());
[INFO] [stdout]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Latch` is never constructed
[INFO] [stdout]  --> src/sodium/impl_/latch.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Latch<A> {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LatchData` is never constructed
[INFO] [stdout]   --> src/sodium/impl_/latch.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct LatchData<A> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `const_` is never used
[INFO] [stdout]   --> src/sodium/impl_/latch.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl<A:Clone + 'static> Latch<A> {
[INFO] [stdout]    | -------------------------------- associated function in this implementation
[INFO] [stdout] 31 |     pub fn const_(value:  A) -> Latch<A> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get`, `get_mut`, and `reset` are never used
[INFO] [stdout]   --> src/sodium/impl_/latch.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl<A> Latch<A> {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 37 |     pub fn new<F: Fn()->A + 'static>(thunk: F) -> Latch<A> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn get(&self) -> &A {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn get_mut(&mut self) -> &mut A {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn reset(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:161:26
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 unsafe { Box::from_raw(node); }
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 unsafe { let _ = Box::from_raw(node); }
[INFO] [stdout]     |                          +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:400:19
[INFO] [stdout]     |
[INFO] [stdout] 400 |     pub fn borrow(&self) -> GcCellRef<A> {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 400 |     pub fn borrow(&self) -> GcCellRef<'_, A> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:413:23
[INFO] [stdout]     |
[INFO] [stdout] 413 |     pub fn borrow_mut(&self) -> GcCellRefMut<A> {
[INFO] [stdout]     |                       ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 413 |     pub fn borrow_mut(&self) -> GcCellRefMut<'_, A> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:584:30
[INFO] [stdout]     |
[INFO] [stdout] 584 |                     unsafe { Box::from_raw(value); }
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 584 |                     unsafe { let _ = Box::from_raw(value); }
[INFO] [stdout]     |                              +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:631:26
[INFO] [stdout]     |
[INFO] [stdout] 631 |                 unsafe { Box::from_raw(s); }
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 631 |                 unsafe { let _ = Box::from_raw(s); }
[INFO] [stdout]     |                          +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "308b51f8a046b9def213a5591ddae965b8fded9006191798dd665b6c36a2c68b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "308b51f8a046b9def213a5591ddae965b8fded9006191798dd665b6c36a2c68b", kill_on_drop: false }`
[INFO] [stdout] 308b51f8a046b9def213a5591ddae965b8fded9006191798dd665b6c36a2c68b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43691fc21832cc367824731d2a13aa6b8d6dcb912b542e74f7ff0dfdd81bcbf9
[INFO] running `Command { std: "docker" "start" "-a" "43691fc21832cc367824731d2a13aa6b8d6dcb912b542e74f7ff0dfdd81bcbf9", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stdout] warning: unused import: `self::sodium_ctx::SodiumCtxData`
[INFO] [stdout]   --> src/sodium/impl_/mod.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub use self::sodium_ctx::SodiumCtxData;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sodium::impl_::MemoLazy`
[INFO] [stdout]  --> src/sodium/impl_/cell_loop.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sodium::impl_::MemoLazy;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sodium::impl_::Node`
[INFO] [stdout]  --> src/sodium/impl_/cell_loop.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use sodium::impl_::Node;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sodium::impl_::gc::Gc`
[INFO] [stdout]  --> src/sodium/impl_/cell_loop.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use sodium::impl_::gc::Gc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `lambda`
[INFO] [stdout]   --> src/sodium/impl_/lambda.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 | macro_rules! lambda {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sodium::impl_::Listener`
[INFO] [stdout]  --> src/sodium/impl_/sodium_ctx.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sodium::impl_::Listener;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sodium::impl_::Latch`
[INFO] [stdout]  --> src/sodium/impl_/stream_loop.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sodium::impl_::Latch;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sodium::impl_::MemoLazy`
[INFO] [stdout]  --> src/sodium/impl_/stream_loop.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use sodium::impl_::MemoLazy;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sodium::impl_::Node`
[INFO] [stdout]  --> src/sodium/impl_/stream_loop.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sodium::impl_::Node;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sodium::impl_::gc::Gc`
[INFO] [stdout]  --> src/sodium/impl_/stream_loop.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use sodium::impl_::gc::Gc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:487:16
[INFO] [stdout]     |
[INFO] [stdout] 487 |     trace: Box<Fn(&mut FnMut(*mut Node))>,
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 487 |     trace: Box<dyn Fn(&mut FnMut(*mut Node))>,
[INFO] [stdout]     |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:487:24
[INFO] [stdout]     |
[INFO] [stdout] 487 |     trace: Box<Fn(&mut FnMut(*mut Node))>,
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 487 |     trace: Box<Fn(&mut dyn FnMut(*mut Node))>,
[INFO] [stdout]     |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:488:19
[INFO] [stdout]     |
[INFO] [stdout] 488 |     finalize: Box<Fn()>,
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 488 |     finalize: Box<dyn Fn()>,
[INFO] [stdout]     |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:490:18
[INFO] [stdout]     |
[INFO] [stdout] 490 |     cleanup: Box<Fn()>
[INFO] [stdout]     |                  ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 490 |     cleanup: Box<dyn Fn()>
[INFO] [stdout]     |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/latch.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |     thunk: Box<Fn()->A>,
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 |     thunk: Box<dyn Fn()->A>,
[INFO] [stdout]    |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/memo_lazy.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     thunk: Box<IsLambda0<A>>,
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 |     thunk: Box<dyn IsLambda0<A>>,
[INFO] [stdout]    |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/node.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |     update: Box<FnMut()->bool>,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 31 |     update: Box<dyn FnMut()->bool>,
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/node.rs:35:18
[INFO] [stdout]    |
[INFO] [stdout] 35 |     cleanup: Box<FnMut()>,
[INFO] [stdout]    |                  ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 35 |     cleanup: Box<dyn FnMut()>,
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/sodium_ctx.rs:30:28
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub pre_trans: Vec<Box<FnMut()>>,
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub pre_trans: Vec<Box<dyn FnMut()>>,
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/sodium_ctx.rs:31:29
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub post_trans: Vec<Box<FnMut()>>,
[INFO] [stdout]    |                             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub post_trans: Vec<Box<dyn FnMut()>>,
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/stream_sink.rs:20:29
[INFO] [stdout]    |
[INFO] [stdout] 20 |     coalescer_op: Option<Rc<Fn(&A,&A)->A>>
[INFO] [stdout]    |                             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     coalescer_op: Option<Rc<dyn Fn(&A,&A)->A>>
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:186:29
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn trace(&self, f: &mut FnMut(&GcDep));
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn trace(&self, f: &mut dyn FnMut(&GcDep));
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/cell.rs:112:29
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/cell.rs:35:29
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/cell.rs:466:29
[INFO] [stdout]     |
[INFO] [stdout] 466 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 466 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:196:29
[INFO] [stdout]     |
[INFO] [stdout] 196 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 196 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:202:29
[INFO] [stdout]     |
[INFO] [stdout] 202 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 202 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:209:29
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:218:29
[INFO] [stdout]     |
[INFO] [stdout] 218 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 218 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:230:29
[INFO] [stdout]     |
[INFO] [stdout] 230 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 230 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:258:29
[INFO] [stdout]     |
[INFO] [stdout] 258 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 258 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/latch.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/memo_lazy.rs:20:29
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/memo_lazy.rs:31:29
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/stream.rs:33:29
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/stream.rs:513:29
[INFO] [stdout]     |
[INFO] [stdout] 513 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 513 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/stream_sink.rs:32:65
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn _new(sodium_ctx: &SodiumCtx, coalescer_op: Option<Rc<Fn(&A,&A)->A>>) -> StreamSink<A> {
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn _new(sodium_ctx: &SodiumCtx, coalescer_op: Option<Rc<dyn Fn(&A,&A)->A>>) -> StreamSink<A> {
[INFO] [stdout]    |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/stream_sink.rs:125:29
[INFO] [stdout]     |
[INFO] [stdout] 125 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 125 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/stream.rs:158:29
[INFO] [stdout]     |
[INFO] [stdout] 158 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 158 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/stream_sink.rs:38:29
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:226:30
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn trace(&self, _f: &mut FnMut(&GcDep)) {}
[INFO] [stdout]     |                              ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn trace(&self, _f: &mut dyn FnMut(&GcDep)) {}
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:238:30
[INFO] [stdout]     |
[INFO] [stdout] 238 |     fn trace(&self, _f: &mut FnMut(&GcDep)) {}
[INFO] [stdout]     |                              ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 238 |     fn trace(&self, _f: &mut dyn FnMut(&GcDep)) {}
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:242:30
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn trace(&self, _f: &mut FnMut(&GcDep)) {}
[INFO] [stdout]     |                              ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn trace(&self, _f: &mut dyn FnMut(&GcDep)) {}
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:246:30
[INFO] [stdout]     |
[INFO] [stdout] 246 |     fn trace(&self, _f: &mut FnMut(&GcDep)) {}
[INFO] [stdout]     |                              ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 246 |     fn trace(&self, _f: &mut dyn FnMut(&GcDep)) {}
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:250:30
[INFO] [stdout]     |
[INFO] [stdout] 250 |     fn trace(&self, _f: &mut FnMut(&GcDep)) {}
[INFO] [stdout]     |                              ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 250 |     fn trace(&self, _f: &mut dyn FnMut(&GcDep)) {}
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:254:30
[INFO] [stdout]     |
[INFO] [stdout] 254 |     fn trace(&self, _f: &mut FnMut(&GcDep)) {}
[INFO] [stdout]     |                              ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 254 |     fn trace(&self, _f: &mut dyn FnMut(&GcDep)) {}
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/listener.rs:51:29
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/node.rs:294:29
[INFO] [stdout]     |
[INFO] [stdout] 294 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 294 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/node.rs:305:29
[INFO] [stdout]     |
[INFO] [stdout] 305 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 305 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:494:29
[INFO] [stdout]     |
[INFO] [stdout] 494 |     fn trace(&self, f: &mut FnMut(*mut Node)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 494 |     fn trace(&self, f: &mut dyn FnMut(*mut Node)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:576:47
[INFO] [stdout]     |
[INFO] [stdout] 576 |                 trace: Box::new(move |f: &mut FnMut(*mut Node)| {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 576 |                 trace: Box::new(move |f: &mut dyn FnMut(*mut Node)| {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/sodium/impl_/stream.rs:323:36
[INFO] [stdout]     |
[INFO] [stdout] 323 |             let es_out = ebs.map(|(ref a,ref b):&(B,S)| b.clone());
[INFO] [stdout]     |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/sodium/impl_/stream.rs:322:38
[INFO] [stdout]     |
[INFO] [stdout] 322 |             let eb = ebs.map(|(ref a,ref b):&(B,S)| a.clone());
[INFO] [stdout]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Latch` is never constructed
[INFO] [stdout]  --> src/sodium/impl_/latch.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Latch<A> {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LatchData` is never constructed
[INFO] [stdout]   --> src/sodium/impl_/latch.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct LatchData<A> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sodium-rust-push-pull v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `const_` is never used
[INFO] [stdout]   --> src/sodium/impl_/latch.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl<A:Clone + 'static> Latch<A> {
[INFO] [stdout]    | -------------------------------- associated function in this implementation
[INFO] [stdout] 31 |     pub fn const_(value:  A) -> Latch<A> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get`, `get_mut`, and `reset` are never used
[INFO] [stdout]   --> src/sodium/impl_/latch.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl<A> Latch<A> {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 37 |     pub fn new<F: Fn()->A + 'static>(thunk: F) -> Latch<A> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn get(&self) -> &A {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn get_mut(&mut self) -> &mut A {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn reset(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:161:26
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 unsafe { Box::from_raw(node); }
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 unsafe { let _ = Box::from_raw(node); }
[INFO] [stdout]     |                          +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:400:19
[INFO] [stdout]     |
[INFO] [stdout] 400 |     pub fn borrow(&self) -> GcCellRef<A> {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 400 |     pub fn borrow(&self) -> GcCellRef<'_, A> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:413:23
[INFO] [stdout]     |
[INFO] [stdout] 413 |     pub fn borrow_mut(&self) -> GcCellRefMut<A> {
[INFO] [stdout]     |                       ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 413 |     pub fn borrow_mut(&self) -> GcCellRefMut<'_, A> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:584:30
[INFO] [stdout]     |
[INFO] [stdout] 584 |                     unsafe { Box::from_raw(value); }
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 584 |                     unsafe { let _ = Box::from_raw(value); }
[INFO] [stdout]     |                              +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:631:26
[INFO] [stdout]     |
[INFO] [stdout] 631 |                 unsafe { Box::from_raw(s); }
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 631 |                 unsafe { let _ = Box::from_raw(s); }
[INFO] [stdout]     |                          +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::sodium_ctx::SodiumCtxData`
[INFO] [stdout]   --> src/sodium/impl_/mod.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub use self::sodium_ctx::SodiumCtxData;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sodium::impl_::MemoLazy`
[INFO] [stdout]  --> src/sodium/impl_/cell_loop.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sodium::impl_::MemoLazy;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sodium::impl_::Node`
[INFO] [stdout]  --> src/sodium/impl_/cell_loop.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use sodium::impl_::Node;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sodium::impl_::gc::Gc`
[INFO] [stdout]  --> src/sodium/impl_/cell_loop.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use sodium::impl_::gc::Gc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `lambda`
[INFO] [stdout]   --> src/sodium/impl_/lambda.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 | macro_rules! lambda {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sodium::impl_::Listener`
[INFO] [stdout]  --> src/sodium/impl_/sodium_ctx.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sodium::impl_::Listener;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sodium::impl_::Latch`
[INFO] [stdout]  --> src/sodium/impl_/stream_loop.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sodium::impl_::Latch;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sodium::impl_::MemoLazy`
[INFO] [stdout]  --> src/sodium/impl_/stream_loop.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use sodium::impl_::MemoLazy;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sodium::impl_::Node`
[INFO] [stdout]  --> src/sodium/impl_/stream_loop.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sodium::impl_::Node;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sodium::impl_::gc::Gc`
[INFO] [stdout]  --> src/sodium/impl_/stream_loop.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use sodium::impl_::gc::Gc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sodium::CellSink`
[INFO] [stdout]  --> src/tests/cell_test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sodium::CellSink;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sodium::CellLoop`
[INFO] [stdout]  --> src/tests/cell_loop_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use sodium::CellLoop;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sodium::CellSink`
[INFO] [stdout]  --> src/tests/cell_loop_test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sodium::CellSink;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sodium::StreamSink`
[INFO] [stdout]  --> src/tests/cell_loop_test.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use sodium::StreamSink;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sodium::CellLoop`
[INFO] [stdout]  --> src/tests/stream_test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sodium::CellLoop;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sodium::CellSink`
[INFO] [stdout]  --> src/tests/stream_test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use sodium::CellSink;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sodium::StreamLoop`
[INFO] [stdout]   --> src/tests/stream_test.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use sodium::StreamLoop;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:487:16
[INFO] [stdout]     |
[INFO] [stdout] 487 |     trace: Box<Fn(&mut FnMut(*mut Node))>,
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 487 |     trace: Box<dyn Fn(&mut FnMut(*mut Node))>,
[INFO] [stdout]     |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:487:24
[INFO] [stdout]     |
[INFO] [stdout] 487 |     trace: Box<Fn(&mut FnMut(*mut Node))>,
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 487 |     trace: Box<Fn(&mut dyn FnMut(*mut Node))>,
[INFO] [stdout]     |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:488:19
[INFO] [stdout]     |
[INFO] [stdout] 488 |     finalize: Box<Fn()>,
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 488 |     finalize: Box<dyn Fn()>,
[INFO] [stdout]     |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:490:18
[INFO] [stdout]     |
[INFO] [stdout] 490 |     cleanup: Box<Fn()>
[INFO] [stdout]     |                  ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 490 |     cleanup: Box<dyn Fn()>
[INFO] [stdout]     |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/latch.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |     thunk: Box<Fn()->A>,
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 |     thunk: Box<dyn Fn()->A>,
[INFO] [stdout]    |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/memo_lazy.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     thunk: Box<IsLambda0<A>>,
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 |     thunk: Box<dyn IsLambda0<A>>,
[INFO] [stdout]    |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/node.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |     update: Box<FnMut()->bool>,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 31 |     update: Box<dyn FnMut()->bool>,
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/node.rs:35:18
[INFO] [stdout]    |
[INFO] [stdout] 35 |     cleanup: Box<FnMut()>,
[INFO] [stdout]    |                  ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 35 |     cleanup: Box<dyn FnMut()>,
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/sodium_ctx.rs:30:28
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub pre_trans: Vec<Box<FnMut()>>,
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub pre_trans: Vec<Box<dyn FnMut()>>,
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/sodium_ctx.rs:31:29
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub post_trans: Vec<Box<FnMut()>>,
[INFO] [stdout]    |                             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub post_trans: Vec<Box<dyn FnMut()>>,
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/stream_sink.rs:20:29
[INFO] [stdout]    |
[INFO] [stdout] 20 |     coalescer_op: Option<Rc<Fn(&A,&A)->A>>
[INFO] [stdout]    |                             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     coalescer_op: Option<Rc<dyn Fn(&A,&A)->A>>
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:186:29
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn trace(&self, f: &mut FnMut(&GcDep));
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn trace(&self, f: &mut dyn FnMut(&GcDep));
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/cell.rs:112:29
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/cell.rs:35:29
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/cell.rs:466:29
[INFO] [stdout]     |
[INFO] [stdout] 466 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 466 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:196:29
[INFO] [stdout]     |
[INFO] [stdout] 196 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 196 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:202:29
[INFO] [stdout]     |
[INFO] [stdout] 202 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 202 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:209:29
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:218:29
[INFO] [stdout]     |
[INFO] [stdout] 218 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 218 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:230:29
[INFO] [stdout]     |
[INFO] [stdout] 230 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 230 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:258:29
[INFO] [stdout]     |
[INFO] [stdout] 258 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 258 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/latch.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/memo_lazy.rs:20:29
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/memo_lazy.rs:31:29
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/stream.rs:33:29
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/stream.rs:513:29
[INFO] [stdout]     |
[INFO] [stdout] 513 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 513 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/stream_sink.rs:32:65
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn _new(sodium_ctx: &SodiumCtx, coalescer_op: Option<Rc<Fn(&A,&A)->A>>) -> StreamSink<A> {
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn _new(sodium_ctx: &SodiumCtx, coalescer_op: Option<Rc<dyn Fn(&A,&A)->A>>) -> StreamSink<A> {
[INFO] [stdout]    |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/stream_sink.rs:125:29
[INFO] [stdout]     |
[INFO] [stdout] 125 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 125 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/stream.rs:158:29
[INFO] [stdout]     |
[INFO] [stdout] 158 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 158 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/stream_sink.rs:38:29
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:226:30
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn trace(&self, _f: &mut FnMut(&GcDep)) {}
[INFO] [stdout]     |                              ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn trace(&self, _f: &mut dyn FnMut(&GcDep)) {}
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:238:30
[INFO] [stdout]     |
[INFO] [stdout] 238 |     fn trace(&self, _f: &mut FnMut(&GcDep)) {}
[INFO] [stdout]     |                              ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 238 |     fn trace(&self, _f: &mut dyn FnMut(&GcDep)) {}
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:242:30
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn trace(&self, _f: &mut FnMut(&GcDep)) {}
[INFO] [stdout]     |                              ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn trace(&self, _f: &mut dyn FnMut(&GcDep)) {}
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:246:30
[INFO] [stdout]     |
[INFO] [stdout] 246 |     fn trace(&self, _f: &mut FnMut(&GcDep)) {}
[INFO] [stdout]     |                              ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 246 |     fn trace(&self, _f: &mut dyn FnMut(&GcDep)) {}
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:250:30
[INFO] [stdout]     |
[INFO] [stdout] 250 |     fn trace(&self, _f: &mut FnMut(&GcDep)) {}
[INFO] [stdout]     |                              ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 250 |     fn trace(&self, _f: &mut dyn FnMut(&GcDep)) {}
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:254:30
[INFO] [stdout]     |
[INFO] [stdout] 254 |     fn trace(&self, _f: &mut FnMut(&GcDep)) {}
[INFO] [stdout]     |                              ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 254 |     fn trace(&self, _f: &mut dyn FnMut(&GcDep)) {}
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sodium/impl_/listener.rs:51:29
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/node.rs:294:29
[INFO] [stdout]     |
[INFO] [stdout] 294 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 294 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/node.rs:305:29
[INFO] [stdout]     |
[INFO] [stdout] 305 |     fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 305 |     fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tests/gc_test.rs:33:33
[INFO] [stdout]    |
[INFO] [stdout] 33 |         fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 |         fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tests/gc_test.rs:86:33
[INFO] [stdout]    |
[INFO] [stdout] 86 |         fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 86 |         fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tests/gc_test.rs:142:33
[INFO] [stdout]     |
[INFO] [stdout] 142 |         fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 142 |         fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tests/gc_test.rs:203:33
[INFO] [stdout]     |
[INFO] [stdout] 203 |         fn trace(&self, f: &mut FnMut(&GcDep)) {}
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 203 |         fn trace(&self, f: &mut dyn FnMut(&GcDep)) {}
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tests/stream_test.rs:541:37
[INFO] [stdout]     |
[INFO] [stdout] 541 |             fn trace(&self, f: &mut FnMut(&GcDep)) {}
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 541 |             fn trace(&self, f: &mut dyn FnMut(&GcDep)) {}
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tests/stream_test.rs:608:37
[INFO] [stdout]     |
[INFO] [stdout] 608 |             fn trace(&self, f: &mut FnMut(&GcDep)) {}
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 608 |             fn trace(&self, f: &mut dyn FnMut(&GcDep)) {}
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tests/stream_test.rs:675:37
[INFO] [stdout]     |
[INFO] [stdout] 675 |             fn trace(&self, f: &mut FnMut(&GcDep)) {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 675 |             fn trace(&self, f: &mut dyn FnMut(&GcDep)) {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:494:29
[INFO] [stdout]     |
[INFO] [stdout] 494 |     fn trace(&self, f: &mut FnMut(*mut Node)) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 494 |     fn trace(&self, f: &mut dyn FnMut(*mut Node)) {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:576:47
[INFO] [stdout]     |
[INFO] [stdout] 576 |                 trace: Box::new(move |f: &mut FnMut(*mut Node)| {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 576 |                 trace: Box::new(move |f: &mut dyn FnMut(*mut Node)| {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tests/gc_test.rs:219:42
[INFO] [stdout]     |
[INFO] [stdout] 219 |                 .upcast(|x| x as &GcCell<Inc>);
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 219 |                 .upcast(|x| x as &GcCell<dyn Inc>);
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/sodium/impl_/stream.rs:323:36
[INFO] [stdout]     |
[INFO] [stdout] 323 |             let es_out = ebs.map(|(ref a,ref b):&(B,S)| b.clone());
[INFO] [stdout]     |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/sodium/impl_/stream.rs:322:38
[INFO] [stdout]     |
[INFO] [stdout] 322 |             let eb = ebs.map(|(ref a,ref b):&(B,S)| a.clone());
[INFO] [stdout]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tests/cell_loop_test.rs:24:25
[INFO] [stdout]    |
[INFO] [stdout] 24 |                     let mut b = sodium_ctx.new_cell_loop();
[INFO] [stdout]    |                         ----^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tests/cell_loop_test.rs:54:21
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 let mut a = sodium_ctx.new_cell_loop();
[INFO] [stdout]    |                     ----^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tests/cell_loop_test.rs:86:21
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 let mut a = sodium_ctx.new_cell_loop();
[INFO] [stdout]    |                     ----^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/tests/gc_test.rs:203:25
[INFO] [stdout]     |
[INFO] [stdout] 203 |         fn trace(&self, f: &mut FnMut(&GcDep)) {}
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tests/stream_test.rs:287:21
[INFO] [stdout]     |
[INFO] [stdout] 287 |                 let mut sb = sodium_ctx2.new_stream_loop();
[INFO] [stdout]     |                     ----^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sodium_ctx`
[INFO] [stdout]    --> src/tests/stream_test.rs:286:14
[INFO] [stdout]     |
[INFO] [stdout] 286 |             |sodium_ctx| {
[INFO] [stdout]     |              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sodium_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sodium_ctx2`
[INFO] [stdout]    --> src/tests/stream_test.rs:544:13
[INFO] [stdout]     |
[INFO] [stdout] 544 |         let sodium_ctx2 = sodium_ctx.clone();
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sodium_ctx2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/tests/stream_test.rs:541:29
[INFO] [stdout]     |
[INFO] [stdout] 541 |             fn trace(&self, f: &mut FnMut(&GcDep)) {}
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sodium_ctx2`
[INFO] [stdout]    --> src/tests/stream_test.rs:614:13
[INFO] [stdout]     |
[INFO] [stdout] 614 |         let sodium_ctx2 = &mut sodium_ctx2;
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sodium_ctx2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/tests/stream_test.rs:608:29
[INFO] [stdout]     |
[INFO] [stdout] 608 |             fn trace(&self, f: &mut FnMut(&GcDep)) {}
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sodium_ctx`
[INFO] [stdout]    --> src/tests/stream_test.rs:708:14
[INFO] [stdout]     |
[INFO] [stdout] 708 |             |sodium_ctx| {
[INFO] [stdout]     |              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sodium_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sodium_ctx2`
[INFO] [stdout]    --> src/tests/stream_test.rs:685:13
[INFO] [stdout]     |
[INFO] [stdout] 685 |         let sodium_ctx2 = &sodium_ctx2;
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sodium_ctx2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tests/stream_test.rs:729:21
[INFO] [stdout]     |
[INFO] [stdout] 729 |                 let mut sum = sodium_ctx.new_cell_loop();
[INFO] [stdout]     |                     ----^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Latch` is never constructed
[INFO] [stdout]  --> src/sodium/impl_/latch.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Latch<A> {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LatchData` is never constructed
[INFO] [stdout]   --> src/sodium/impl_/latch.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct LatchData<A> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `const_` is never used
[INFO] [stdout]   --> src/sodium/impl_/latch.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl<A:Clone + 'static> Latch<A> {
[INFO] [stdout]    | -------------------------------- associated function in this implementation
[INFO] [stdout] 31 |     pub fn const_(value:  A) -> Latch<A> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get`, `get_mut`, and `reset` are never used
[INFO] [stdout]   --> src/sodium/impl_/latch.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl<A> Latch<A> {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 37 |     pub fn new<F: Fn()->A + 'static>(thunk: F) -> Latch<A> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn get(&self) -> &A {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn get_mut(&mut self) -> &mut A {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn reset(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:161:26
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 unsafe { Box::from_raw(node); }
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 unsafe { let _ = Box::from_raw(node); }
[INFO] [stdout]     |                          +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:400:19
[INFO] [stdout]     |
[INFO] [stdout] 400 |     pub fn borrow(&self) -> GcCellRef<A> {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 400 |     pub fn borrow(&self) -> GcCellRef<'_, A> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:413:23
[INFO] [stdout]     |
[INFO] [stdout] 413 |     pub fn borrow_mut(&self) -> GcCellRefMut<A> {
[INFO] [stdout]     |                       ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 413 |     pub fn borrow_mut(&self) -> GcCellRefMut<'_, A> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:584:30
[INFO] [stdout]     |
[INFO] [stdout] 584 |                     unsafe { Box::from_raw(value); }
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 584 |                     unsafe { let _ = Box::from_raw(value); }
[INFO] [stdout]     |                              +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/sodium/impl_/gc.rs:631:26
[INFO] [stdout]     |
[INFO] [stdout] 631 |                 unsafe { Box::from_raw(s); }
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 631 |                 unsafe { let _ = Box::from_raw(s); }
[INFO] [stdout]     |                          +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]   --> src/tests/cell_loop_test.rs:67:49
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 move |x| out.borrow_mut().push(x.clone())
[INFO] [stdout]    |                                                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/tests/stream_test.rs:611:38
[INFO] [stdout]     |
[INFO] [stdout] 611 |         let sa = sss.map(|s: &SS| s.a.clone());
[INFO] [stdout]     |                                      ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/tests/stream_test.rs:612:38
[INFO] [stdout]     |
[INFO] [stdout] 612 |         let sb = sss.map(|s: &SS| s.b.clone());
[INFO] [stdout]     |                                      ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.36s
[INFO] running `Command { std: "docker" "inspect" "43691fc21832cc367824731d2a13aa6b8d6dcb912b542e74f7ff0dfdd81bcbf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43691fc21832cc367824731d2a13aa6b8d6dcb912b542e74f7ff0dfdd81bcbf9", kill_on_drop: false }`
[INFO] [stdout] 43691fc21832cc367824731d2a13aa6b8d6dcb912b542e74f7ff0dfdd81bcbf9
