Problems for source package rust-ecdsa

BuildDepends

Package declares a build time dependency on librust-elliptic-curve-0.13+sec1-dev (>= 0.13.6-~~) <!nocheck> which cannot be satisfied on armel. Package rust-ecdsa does not exist on armel.
Package declares a build time dependency on librust-elliptic-curve-0.13+sec1-dev (>= 0.13.6-~~) <!nocheck> which cannot be satisfied on mips64el. Package rust-ecdsa does not exist on mips64el.
Package declares a build time dependency on librust-signature-2+digest-dev (>= 2.2-~~) <!nocheck> which cannot be satisfied on armel. Package rust-ecdsa does not exist on armel.
Package declares a build time dependency on librust-signature-2+digest-dev (>= 2.2-~~) <!nocheck> which cannot be satisfied on mips64el. Package rust-ecdsa does not exist on mips64el.
Package declares a build time dependency on debhelper-compat (= 13) which cannot be satisfied on mips64el. Package rust-ecdsa does not exist on mips64el.
Package declares a build time dependency on debhelper-compat (= 13) which cannot be satisfied on armel. Package rust-ecdsa does not exist on armel.
Package declares a build time dependency on librust-digest-0.10+oid-dev (>= 0.10.7-~~) <!nocheck> which cannot be satisfied on mips64el. Package rust-ecdsa does not exist on mips64el.
Package declares a build time dependency on librust-digest-0.10+oid-dev (>= 0.10.7-~~) <!nocheck> which cannot be satisfied on armel. Package rust-ecdsa does not exist on armel.
Package declares a build time dependency on dh-sequence-cargo which cannot be satisfied on armel. Package rust-ecdsa does not exist on armel.
Package declares a build time dependency on dh-sequence-cargo which cannot be satisfied on mips64el. Package rust-ecdsa does not exist on mips64el.
Package declares a build time dependency on libstd-rust-dev <!nocheck> which cannot be satisfied on armel. Package rust-ecdsa does not exist on armel.
Package declares a build time dependency on libstd-rust-dev <!nocheck> which cannot be satisfied on mips64el. Package rust-ecdsa does not exist on mips64el.
Package declares a build time dependency on librust-elliptic-curve-0.13+digest-dev (>= 0.13.6-~~) <!nocheck> which cannot be satisfied on armel. Package rust-ecdsa does not exist on armel.
Package declares a build time dependency on librust-elliptic-curve-0.13+digest-dev (>= 0.13.6-~~) <!nocheck> which cannot be satisfied on mips64el. Package rust-ecdsa does not exist on mips64el.
Package declares a build time dependency on librust-signature-2+rand-core-dev (>= 2.2-~~) <!nocheck> which cannot be satisfied on armel. Package rust-ecdsa does not exist on armel.
Package declares a build time dependency on librust-signature-2+rand-core-dev (>= 2.2-~~) <!nocheck> which cannot be satisfied on mips64el. Package rust-ecdsa 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 (>= 1.65) <!nocheck>' which is broken Syntax.