Problems for source package rust-error-chain

BuildDepends

Package declares a build time dependency on libstd-rust-dev <!nocheck> which cannot be satisfied on s390x. Package rust-error-chain does not exist on s390x.
Package declares a build time dependency on libstd-rust-dev <!nocheck> which cannot be satisfied on mipsel. Package rust-error-chain does not exist on mipsel.
Package declares a build time dependency on libstd-rust-dev <!nocheck> which cannot be satisfied on mips. Package rust-error-chain does not exist on mips.
Package declares a build time dependency on libstd-rust-dev <!nocheck> which cannot be satisfied on ppc64el. Package rust-error-chain does not exist on ppc64el.
Package declares a build time dependency on libstd-rust-dev <!nocheck> which cannot be satisfied on mips64el. Package rust-error-chain does not exist on mips64el.
Package declares a build time dependency on libstd-rust-dev <!nocheck> which cannot be satisfied on armel. Package rust-error-chain does not exist on armel.
Package declares a build time dependency on dh-cargo (>= 10) which cannot be satisfied on ppc64el. Package rust-error-chain does not exist on ppc64el.
Package declares a build time dependency on dh-cargo (>= 10) which cannot be satisfied on mips. Package rust-error-chain does not exist on mips.
Package declares a build time dependency on dh-cargo (>= 10) which cannot be satisfied on armel. Package rust-error-chain does not exist on armel.
Package declares a build time dependency on dh-cargo (>= 10) which cannot be satisfied on mips64el. Package rust-error-chain does not exist on mips64el.
Package declares a build time dependency on dh-cargo (>= 10) which cannot be satisfied on s390x. Package rust-error-chain does not exist on s390x.
Package declares a build time dependency on dh-cargo (>= 10) which cannot be satisfied on mipsel. Package rust-error-chain does not exist on mipsel.
Package declares a build time dependency on debhelper (>= 11) which cannot be satisfied on mipsel. Package rust-error-chain does not exist on mipsel.
Package declares a build time dependency on debhelper (>= 11) which cannot be satisfied on s390x. Package rust-error-chain does not exist on s390x.
Package declares a build time dependency on debhelper (>= 11) which cannot be satisfied on armel. Package rust-error-chain does not exist on armel.
Package declares a build time dependency on debhelper (>= 11) which cannot be satisfied on mips64el. Package rust-error-chain does not exist on mips64el.
Package declares a build time dependency on debhelper (>= 11) which cannot be satisfied on ppc64el. Package rust-error-chain does not exist on ppc64el.
Package declares a build time dependency on debhelper (>= 11) which cannot be satisfied on mips. Package rust-error-chain does not exist on mips.
Package declares a build time dependency on librust-backtrace-0.3+default-dev (>= 0.3.3~~) <!nocheck> which cannot be satisfied on mipsel. Package rust-error-chain does not exist on mipsel.
Package declares a build time dependency on librust-backtrace-0.3+default-dev (>= 0.3.3~~) <!nocheck> which cannot be satisfied on s390x. Package rust-error-chain does not exist on s390x.
Package declares a build time dependency on librust-backtrace-0.3+default-dev (>= 0.3.3~~) <!nocheck> which cannot be satisfied on armel. Package rust-error-chain does not exist on armel.
Package declares a build time dependency on librust-backtrace-0.3+default-dev (>= 0.3.3~~) <!nocheck> which cannot be satisfied on mips64el. Package rust-error-chain does not exist on mips64el.
Package declares a build time dependency on librust-backtrace-0.3+default-dev (>= 0.3.3~~) <!nocheck> which cannot be satisfied on ppc64el. Package rust-error-chain does not exist on ppc64el.
Package declares a build time dependency on librust-backtrace-0.3+default-dev (>= 0.3.3~~) <!nocheck> which cannot be satisfied on mips. Package rust-error-chain does not exist on mips.

Malformed Build-Depends

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