Problems for source package rust-crossbeam-channel

Malformed Build-Depends

Package declares a build time dependency on 'librust-crossbeam-utils-0.6+default-dev (>= 0.6.5-~~) ' which is broken Syntax.
Package declares a build time dependency on 'librust-smallvec-0.6+default-dev (>= 0.6.2-~~) ' which is broken Syntax.
Package declares a build time dependency on 'rustc:native ' which is broken Syntax.
Package declares a build time dependency on 'libstd-rust-dev ' which is broken Syntax.
Package declares a build time dependency on 'cargo:native ' which is broken Syntax.

Binary Package: librust-crossbeam-channel-dev (Version: 0.3.8-1)

Relationships

Package has a Depends on librust-crossbeam-utils-0.6+default-dev (>= 0.6.5-~~) which cannot be satisfied on i386.
Package has a Depends on librust-crossbeam-utils-0.6+default-dev (>= 0.6.5-~~) which cannot be satisfied on armhf.
Package has a Depends on librust-crossbeam-utils-0.6+default-dev (>= 0.6.5-~~) which cannot be satisfied on amd64.
Package has a Depends on librust-crossbeam-utils-0.6+default-dev (>= 0.6.5-~~) which cannot be satisfied on armel.
Package has a Depends on librust-crossbeam-utils-0.6+default-dev (>= 0.6.5-~~) which cannot be satisfied on mipsel.
Package has a Depends on librust-crossbeam-utils-0.6+default-dev (>= 0.6.5-~~) which cannot be satisfied on s390x.
Package has a Depends on librust-crossbeam-utils-0.6+default-dev (>= 0.6.5-~~) which cannot be satisfied on mips.
Package has a Depends on librust-crossbeam-utils-0.6+default-dev (>= 0.6.5-~~) which cannot be satisfied on ppc64el.
Package has a Depends on librust-crossbeam-utils-0.6+default-dev (>= 0.6.5-~~) which cannot be satisfied on arm64.
Package has a Depends on librust-crossbeam-utils-0.6+default-dev (>= 0.6.5-~~) which cannot be satisfied on mips64el.
Package has a Depends on librust-smallvec-0.6+default-dev (>= 0.6.2-~~) which cannot be satisfied on mipsel.
Package has a Depends on librust-smallvec-0.6+default-dev (>= 0.6.2-~~) which cannot be satisfied on arm64.
Package has a Depends on librust-smallvec-0.6+default-dev (>= 0.6.2-~~) which cannot be satisfied on mips64el.
Package has a Depends on librust-smallvec-0.6+default-dev (>= 0.6.2-~~) which cannot be satisfied on ppc64el.
Package has a Depends on librust-smallvec-0.6+default-dev (>= 0.6.2-~~) which cannot be satisfied on mips.
Package has a Depends on librust-smallvec-0.6+default-dev (>= 0.6.2-~~) which cannot be satisfied on s390x.
Package has a Depends on librust-smallvec-0.6+default-dev (>= 0.6.2-~~) which cannot be satisfied on armhf.
Package has a Depends on librust-smallvec-0.6+default-dev (>= 0.6.2-~~) which cannot be satisfied on i386.
Package has a Depends on librust-smallvec-0.6+default-dev (>= 0.6.2-~~) which cannot be satisfied on amd64.
Package has a Depends on librust-smallvec-0.6+default-dev (>= 0.6.2-~~) which cannot be satisfied on armel.