fuchsia targets building error: unresolved import object

Rust nightly: compile with `-Zbuild-std and panic-immediate-abort` for all fuchsia targets ``` unresolved import `object` ╭▸ /rustc/e96bb7e44fbcc23c1e6009e8d0ee8ab208668fb4/library/std/src/../../backtrace/src/print/fuchsia.rs:4:5 │ 4 │ use object::NativeEndian as NE; │ ━━━━━━ use of unresolved module or unlinked crate `object` │ ╰ help: if you wanted to use a crate named `object`, use `cargo add object` to add it to your `Cargo.toml` ```