Problems for source package rust-c2-chacha

BuildDepends

Package declares a build time dependency on librust-lazy-static-1+default-dev (>= 1.2-~~) <!nocheck> which cannot be satisfied on armel. Package rust-c2-chacha does not exist on armel.
Package declares a build time dependency on librust-lazy-static-1+default-dev (>= 1.2-~~) <!nocheck> which cannot be satisfied on mips64el. Package rust-c2-chacha does not exist on mips64el.
Package declares a build time dependency on dh-cargo (>= 18) which cannot be satisfied on armel. Package rust-c2-chacha does not exist on armel.
Package declares a build time dependency on dh-cargo (>= 18) which cannot be satisfied on mips64el. Package rust-c2-chacha does not exist on mips64el.
Package declares a build time dependency on debhelper (>= 11) which cannot be satisfied on mips64el. Package rust-c2-chacha does not exist on mips64el.
Package declares a build time dependency on debhelper (>= 11) which cannot be satisfied on armel. Package rust-c2-chacha does not exist on armel.
Package declares a build time dependency on librust-byteorder-1+default-dev (>= 1.3-~~) <!nocheck> which cannot be satisfied on armel. Package rust-c2-chacha does not exist on armel.
Package declares a build time dependency on librust-byteorder-1+default-dev (>= 1.3-~~) <!nocheck> which cannot be satisfied on mips64el. Package rust-c2-chacha does not exist on mips64el.
Package declares a build time dependency on librust-ppv-lite86-0.2+simd-dev (>= 0.2.1-~~) <!nocheck> which cannot be satisfied on armel. Package rust-c2-chacha does not exist on armel.
Package declares a build time dependency on librust-ppv-lite86-0.2+simd-dev (>= 0.2.1-~~) <!nocheck> which cannot be satisfied on mips64el. Package rust-c2-chacha does not exist on mips64el.
Package declares a build time dependency on libstd-rust-dev <!nocheck> which cannot be satisfied on armel. Package rust-c2-chacha does not exist on armel.
Package declares a build time dependency on libstd-rust-dev <!nocheck> which cannot be satisfied on mips64el. Package rust-c2-chacha does not exist on mips64el.
Package declares a build time dependency on librust-ppv-lite86-0.2+default-dev (>= 0.2.1-~~) <!nocheck> which cannot be satisfied on armel. Package rust-c2-chacha does not exist on armel.
Package declares a build time dependency on librust-ppv-lite86-0.2+default-dev (>= 0.2.1-~~) <!nocheck> which cannot be satisfied on mips64el. Package rust-c2-chacha does not exist on mips64el.
Package declares a build time dependency on librust-stream-cipher-0.3+default-dev <!nocheck> which cannot be satisfied on armel. Package rust-c2-chacha does not exist on armel.
Package declares a build time dependency on librust-stream-cipher-0.3+default-dev <!nocheck> which cannot be satisfied on mips64el. Package rust-c2-chacha does not exist on mips64el.

Malformed Build-Depends

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