Problems for source package rust-regex

Malformed Build-Depends

Package declares a build time dependency on 'libstd-rust-dev ' which is broken Syntax.
Package declares a build time dependency on 'librust-thread-local-0.3+default-dev (>= 0.3.6-~~) ' which is broken Syntax.
Package declares a build time dependency on 'rustc:native ' which is broken Syntax.
Package declares a build time dependency on 'librust-memchr-2+default-dev (>= 2.2.1-~~) ' which is broken Syntax.
Package declares a build time dependency on 'cargo:native ' which is broken Syntax.
Package declares a build time dependency on 'librust-regex-syntax-0.6+default-dev (>= 0.6.11-~~) ' which is broken Syntax.
Package declares a build time dependency on 'librust-aho-corasick-0.7+default-dev (>= 0.7.6-~~) ' which is broken Syntax.

Binary Package: librust-regex-dev (Version: 1.2.1-3)

Relationships

Package has a Depends on librust-memchr-2+default-dev (>= 2.2.1-~~) which cannot be satisfied on armhf.
Package has a Depends on librust-memchr-2+default-dev (>= 2.2.1-~~) which cannot be satisfied on arm64.
Package has a Depends on librust-memchr-2+default-dev (>= 2.2.1-~~) which cannot be satisfied on s390x.
Package has a Depends on librust-memchr-2+default-dev (>= 2.2.1-~~) which cannot be satisfied on i386.
Package has a Depends on librust-memchr-2+default-dev (>= 2.2.1-~~) which cannot be satisfied on mipsel.
Package has a Depends on librust-memchr-2+default-dev (>= 2.2.1-~~) which cannot be satisfied on amd64.
Package has a Depends on librust-memchr-2+default-dev (>= 2.2.1-~~) which cannot be satisfied on ppc64el.
Package has a Depends on librust-memchr-2+default-dev (>= 2.2.1-~~) which cannot be satisfied on armel.
Package has a Depends on librust-memchr-2+default-dev (>= 2.2.1-~~) which cannot be satisfied on mips64el.
Package has a Depends on librust-regex-syntax-0.6+default-dev (>= 0.6.11-~~) which cannot be satisfied on armhf.
Package has a Depends on librust-regex-syntax-0.6+default-dev (>= 0.6.11-~~) which cannot be satisfied on arm64.
Package has a Depends on librust-regex-syntax-0.6+default-dev (>= 0.6.11-~~) which cannot be satisfied on amd64.
Package has a Depends on librust-regex-syntax-0.6+default-dev (>= 0.6.11-~~) which cannot be satisfied on s390x.
Package has a Depends on librust-regex-syntax-0.6+default-dev (>= 0.6.11-~~) which cannot be satisfied on i386.
Package has a Depends on librust-regex-syntax-0.6+default-dev (>= 0.6.11-~~) which cannot be satisfied on mipsel.
Package has a Depends on librust-regex-syntax-0.6+default-dev (>= 0.6.11-~~) which cannot be satisfied on armel.
Package has a Depends on librust-regex-syntax-0.6+default-dev (>= 0.6.11-~~) which cannot be satisfied on ppc64el.
Package has a Depends on librust-regex-syntax-0.6+default-dev (>= 0.6.11-~~) which cannot be satisfied on mips64el.
Package has a Depends on librust-aho-corasick-0.7+default-dev (>= 0.7.6-~~) which cannot be satisfied on mips64el.
Package has a Depends on librust-aho-corasick-0.7+default-dev (>= 0.7.6-~~) which cannot be satisfied on ppc64el.
Package has a Depends on librust-aho-corasick-0.7+default-dev (>= 0.7.6-~~) which cannot be satisfied on armel.
Package has a Depends on librust-aho-corasick-0.7+default-dev (>= 0.7.6-~~) which cannot be satisfied on amd64.
Package has a Depends on librust-aho-corasick-0.7+default-dev (>= 0.7.6-~~) which cannot be satisfied on mipsel.
Package has a Depends on librust-aho-corasick-0.7+default-dev (>= 0.7.6-~~) which cannot be satisfied on i386.
Package has a Depends on librust-aho-corasick-0.7+default-dev (>= 0.7.6-~~) which cannot be satisfied on s390x.
Package has a Depends on librust-aho-corasick-0.7+default-dev (>= 0.7.6-~~) which cannot be satisfied on arm64.
Package has a Depends on librust-aho-corasick-0.7+default-dev (>= 0.7.6-~~) which cannot be satisfied on armhf.
Package has a Depends on librust-thread-local-0.3+default-dev (>= 0.3.6-~~) which cannot be satisfied on armhf.
Package has a Depends on librust-thread-local-0.3+default-dev (>= 0.3.6-~~) which cannot be satisfied on arm64.
Package has a Depends on librust-thread-local-0.3+default-dev (>= 0.3.6-~~) which cannot be satisfied on ppc64el.
Package has a Depends on librust-thread-local-0.3+default-dev (>= 0.3.6-~~) which cannot be satisfied on armel.
Package has a Depends on librust-thread-local-0.3+default-dev (>= 0.3.6-~~) which cannot be satisfied on mips64el.
Package has a Depends on librust-thread-local-0.3+default-dev (>= 0.3.6-~~) which cannot be satisfied on amd64.
Package has a Depends on librust-thread-local-0.3+default-dev (>= 0.3.6-~~) which cannot be satisfied on i386.
Package has a Depends on librust-thread-local-0.3+default-dev (>= 0.3.6-~~) which cannot be satisfied on s390x.
Package has a Depends on librust-thread-local-0.3+default-dev (>= 0.3.6-~~) which cannot be satisfied on mipsel.