Problems for source package rust-nettle

BuildDepends

Package declares a build time dependency on librust-nettle-sys-2+default-dev (>= 2.2-~~) <!nocheck> which cannot be satisfied on mips64el. Package rust-nettle does not exist on mips64el.
Package declares a build time dependency on librust-nettle-sys-2+default-dev (>= 2.2-~~) <!nocheck> which cannot be satisfied on armel. Package rust-nettle does not exist on armel.
Package declares a build time dependency on dh-cargo (>= 25) which cannot be satisfied on mips64el. Package rust-nettle does not exist on mips64el.
Package declares a build time dependency on dh-cargo (>= 25) which cannot be satisfied on armel. Package rust-nettle does not exist on armel.
Package declares a build time dependency on librust-getrandom-0.2+default-dev <!nocheck> which cannot be satisfied on mips64el. Package rust-nettle does not exist on mips64el.
Package declares a build time dependency on librust-getrandom-0.2+default-dev <!nocheck> which cannot be satisfied on armel. Package rust-nettle does not exist on armel.
Package declares a build time dependency on librust-libc-0.2+default-dev (>= 0.2.33-~~) <!nocheck> which cannot be satisfied on armel. Package rust-nettle does not exist on armel.
Package declares a build time dependency on librust-libc-0.2+default-dev (>= 0.2.33-~~) <!nocheck> which cannot be satisfied on mips64el. Package rust-nettle does not exist on mips64el.
Package declares a build time dependency on librust-typenum-1+default-dev <!nocheck> which cannot be satisfied on mips64el. Package rust-nettle does not exist on mips64el.
Package declares a build time dependency on librust-typenum-1+default-dev <!nocheck> which cannot be satisfied on armel. Package rust-nettle does not exist on armel.
Package declares a build time dependency on debhelper (>= 12) which cannot be satisfied on armel. Package rust-nettle does not exist on armel.
Package declares a build time dependency on debhelper (>= 12) which cannot be satisfied on mips64el. Package rust-nettle does not exist on mips64el.
Package declares a build time dependency on libstd-rust-dev <!nocheck> which cannot be satisfied on mips64el. Package rust-nettle does not exist on mips64el.
Package declares a build time dependency on libstd-rust-dev <!nocheck> which cannot be satisfied on armel. Package rust-nettle does not exist on armel.
Package declares a build time dependency on librust-thiserror-1+default-dev <!nocheck> which cannot be satisfied on armel. Package rust-nettle does not exist on armel.
Package declares a build time dependency on librust-thiserror-1+default-dev <!nocheck> which cannot be satisfied on mips64el. Package rust-nettle does not exist on mips64el.

Malformed Build-Depends

Package declares a build time dependency on 'rustc:native <!nocheck>' which is broken Syntax.
Package declares a build time dependency on 'cargo:native <!nocheck>' which is broken Syntax.