Problems for source package rust-liblzma

BuildDepends

Package declares a build time dependency on librust-liblzma-sys-0.3-dev (>= 0.3.7-~~) <!nocheck> which cannot be satisfied on i386. Package rust-liblzma does not exist on i386.
Package declares a build time dependency on librust-liblzma-sys-0.3-dev (>= 0.3.7-~~) <!nocheck> which cannot be satisfied on armhf. Package rust-liblzma does not exist on armhf.
Package declares a build time dependency on librust-liblzma-sys-0.3+bindgen-dev (>= 0.3.7-~~) <!nocheck> which cannot be satisfied on i386. Package rust-liblzma does not exist on i386.
Package declares a build time dependency on librust-liblzma-sys-0.3+bindgen-dev (>= 0.3.7-~~) <!nocheck> which cannot be satisfied on armhf. Package rust-liblzma does not exist on armhf.

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.