Problems for source package rust-serde-yaml

BuildDepends

Package declares a build time dependency on dh-cargo (>= 25) which cannot be satisfied on mips64el. Package rust-serde-yaml does not exist on mips64el.
Package declares a build time dependency on dh-cargo (>= 25) which cannot be satisfied on armel. Package rust-serde-yaml does not exist on armel.
Package declares a build time dependency on debhelper (>= 12) which cannot be satisfied on armel. Package rust-serde-yaml does not exist on armel.
Package declares a build time dependency on debhelper (>= 12) which cannot be satisfied on mips64el. Package rust-serde-yaml does not exist on mips64el.
Package declares a build time dependency on librust-ryu-1+default-dev <!nocheck> which cannot be satisfied on armel. Package rust-serde-yaml does not exist on armel.
Package declares a build time dependency on librust-ryu-1+default-dev <!nocheck> which cannot be satisfied on mips64el. Package rust-serde-yaml does not exist on mips64el.
Package declares a build time dependency on librust-indexmap+default-dev (>= 1.9.3-~~) <!nocheck> which cannot be satisfied on armel. Package rust-serde-yaml does not exist on armel.
Package declares a build time dependency on librust-indexmap+default-dev (>= 1.9.3-~~) <!nocheck> which cannot be satisfied on mips64el. Package rust-serde-yaml does not exist on mips64el.
Package declares a build time dependency on libstd-rust-dev <!nocheck> which cannot be satisfied on armel. Package rust-serde-yaml does not exist on armel.
Package declares a build time dependency on libstd-rust-dev <!nocheck> which cannot be satisfied on mips64el. Package rust-serde-yaml does not exist on mips64el.
Package declares a build time dependency on librust-unsafe-libyaml-0.2+default-dev (>= 0.2.11-~~) <!nocheck> which cannot be satisfied on armel. Package rust-serde-yaml does not exist on armel.
Package declares a build time dependency on librust-unsafe-libyaml-0.2+default-dev (>= 0.2.11-~~) <!nocheck> which cannot be satisfied on mips64el. Package rust-serde-yaml does not exist on mips64el.
Package declares a build time dependency on librust-itoa-1+default-dev <!nocheck> which cannot be satisfied on armel. Package rust-serde-yaml does not exist on armel.
Package declares a build time dependency on librust-itoa-1+default-dev <!nocheck> which cannot be satisfied on mips64el. Package rust-serde-yaml does not exist on mips64el.
Package declares a build time dependency on librust-serde-1+default-dev (>= 1.0.195-~~) <!nocheck> which cannot be satisfied on armel. Package rust-serde-yaml does not exist on armel.
Package declares a build time dependency on librust-serde-1+default-dev (>= 1.0.195-~~) <!nocheck> which cannot be satisfied on mips64el. Package rust-serde-yaml does not exist on mips64el.

Malformed Build-Depends

Package declares a build time dependency on 'rustc:native (>= 1.64) <!nocheck>' which is broken Syntax.
Package declares a build time dependency on 'cargo:native <!nocheck>' which is broken Syntax.