Clippy (nightly): this implementation is unsound, as some fields in World are !Send

[HackerFoo]

Bevy version

main @ 3a9d5a6

Operating system & version

MacOS 12.1

What you did

cargo clippy --workspace --all-targets --all-features -- -D warnings -A clippy::type_complexity

What you expected to happen

No warnings.

What actually happened

    Checking bevy_ecs v0.5.0 (/Users/dusty/src/noumenal/crates/bevy/crates/bevy_ecs)
error: this implementation is unsound, as some fields in `World` are `!Send`
    --> crates/bevy_ecs/src/world/mod.rs:1162:1
     |
1162 | unsafe impl Send for World {}
     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
     |
     = note: `-D clippy::non-send-fields-in-send-ty` implied by `-D warnings`
note: the type of field `archetypes` is `!Send`
    --> crates/bevy_ecs/src/world/mod.rs:75:5
     |
75   |     pub(crate) archetypes: Archetypes,
     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
     = help: use a thread-safe type that implements `Send`
note: the type of field `storages` is `!Send`
    --> crates/bevy_ecs/src/world/mod.rs:76:5
     |
76   |     pub(crate) storages: Storages,
     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
     = help: use a thread-safe type that implements `Send`
     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#non_send_fields_in_send_ty

error: could not compile `bevy_ecs` due to previous error
warning: build failed, waiting for other jobs to finish...
error: build failed

Additional information

cargo clippy --version
clippy 0.1.58 (efec5452 2021-12-04)

[james7132]

Closing this as #3666 covers the same issue, but already has several points linked to it.