Problems for source package rust-merlin

BuildDepends

Package declares a build time dependency on librust-zeroize-1+zeroize-derive-dev <!nocheck> which cannot be satisfied on armel. Package rust-merlin does not exist on armel.
Package declares a build time dependency on librust-zeroize-1+zeroize-derive-dev <!nocheck> which cannot be satisfied on mips64el. Package rust-merlin does not exist on mips64el.
Package declares a build time dependency on librust-byteorder-1+std-dev (>= 1.2.4-~~) <!nocheck> which cannot be satisfied on mips64el. Package rust-merlin does not exist on mips64el.
Package declares a build time dependency on librust-byteorder-1+std-dev (>= 1.2.4-~~) <!nocheck> which cannot be satisfied on armel. Package rust-merlin does not exist on armel.
Package declares a build time dependency on libstd-rust-dev <!nocheck> which cannot be satisfied on mips64el. Package rust-merlin does not exist on mips64el.
Package declares a build time dependency on libstd-rust-dev <!nocheck> which cannot be satisfied on armel. Package rust-merlin does not exist on armel.
Package declares a build time dependency on librust-rand-core-0.6-dev <!nocheck> which cannot be satisfied on armel. Package rust-merlin does not exist on armel.
Package declares a build time dependency on librust-rand-core-0.6-dev <!nocheck> which cannot be satisfied on mips64el. Package rust-merlin does not exist on mips64el.
Package declares a build time dependency on librust-keccak-0.1-dev <!nocheck> which cannot be satisfied on mips64el. Package rust-merlin does not exist on mips64el.
Package declares a build time dependency on librust-keccak-0.1-dev <!nocheck> which cannot be satisfied on armel. Package rust-merlin does not exist on armel.
Package declares a build time dependency on librust-byteorder-1-dev (>= 1.2.4-~~) <!nocheck> which cannot be satisfied on armel. Package rust-merlin does not exist on armel.
Package declares a build time dependency on librust-byteorder-1-dev (>= 1.2.4-~~) <!nocheck> which cannot be satisfied on mips64el. Package rust-merlin does not exist on mips64el.
Package declares a build time dependency on dh-cargo (>= 25) which cannot be satisfied on armel. Package rust-merlin does not exist on armel.
Package declares a build time dependency on dh-cargo (>= 25) which cannot be satisfied on mips64el. Package rust-merlin does not exist on mips64el.
Package declares a build time dependency on librust-rand-core-0.6+std-dev <!nocheck> which cannot be satisfied on mips64el. Package rust-merlin does not exist on mips64el.
Package declares a build time dependency on librust-rand-core-0.6+std-dev <!nocheck> which cannot be satisfied on armel. Package rust-merlin does not exist on armel.
Package declares a build time dependency on debhelper (>= 12) which cannot be satisfied on mips64el. Package rust-merlin does not exist on mips64el.
Package declares a build time dependency on debhelper (>= 12) which cannot be satisfied on armel. Package rust-merlin does not exist on armel.

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.