Problems for source package rust-proton-call

BuildDepends

Package declares a build time dependency on librust-toml-0.5+default-dev (>= 0.5.8-~~) which cannot be satisfied on mips64el. Package rust-proton-call does not exist on mips64el.
Package declares a build time dependency on librust-serde-1+derive-dev (>= 1.0.132-~~) which cannot be satisfied on mips64el. Package rust-proton-call does not exist on mips64el.
Package declares a build time dependency on dh-cargo (>= 25) which cannot be satisfied on mips64el. Package rust-proton-call does not exist on mips64el.
Package declares a build time dependency on librust-bincode-1+default-dev (>= 1.3.3-~~) which cannot be satisfied on mips64el. Package rust-proton-call does not exist on mips64el.
Package declares a build time dependency on librust-serde-1+default-dev (>= 1.0.132-~~) which cannot be satisfied on mips64el. Package rust-proton-call does not exist on mips64el.
Package declares a build time dependency on debhelper (>= 12) which cannot be satisfied on mips64el. Package rust-proton-call does not exist on mips64el.
Package declares a build time dependency on librust-jargon-args-0.2+default-dev (>= 0.2.5-~~) which cannot be satisfied on mips64el. Package rust-proton-call does not exist on mips64el.
Package declares a build time dependency on libstd-rust-dev which cannot be satisfied on mips64el. Package rust-proton-call does not exist on mips64el.
Package declares a build time dependency on librust-lliw-0.2+default-dev which cannot be satisfied on mips64el. Package rust-proton-call does not exist on mips64el.
Package declares a build time dependency on help2man which cannot be satisfied on mips64el. Package rust-proton-call does not exist on mips64el.

Malformed Build-Depends

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

Binary Package: proton-caller (Version: 3.1.2-1+b1)

Old Libraries

Package has a Suggests on steam which is in Section contrib/oldlibs on i386.

Relationships

Package has a Suggests on steam which cannot be satisfied on amd64.
Package has a Suggests on steam which cannot be satisfied on armhf.
Package has a Suggests on steam which cannot be satisfied on riscv64.
Package has a Suggests on steam which cannot be satisfied on ppc64el.
Package has a Suggests on steam which cannot be satisfied on s390x.
Package has a Suggests on steam which cannot be satisfied on arm64.
Package has a Suggests on steam which cannot be satisfied on armel.