Problems for source package rust-lofty-attr

BuildDepends

Package declares a build time dependency on dh-sequence-cargo which cannot be satisfied on armel. Package rust-lofty-attr does not exist on armel.
Package declares a build time dependency on dh-sequence-cargo which cannot be satisfied on mips64el. Package rust-lofty-attr does not exist on mips64el.
Package declares a build time dependency on debhelper-compat (= 13) which cannot be satisfied on mips64el. Package rust-lofty-attr does not exist on mips64el.
Package declares a build time dependency on debhelper-compat (= 13) which cannot be satisfied on armel. Package rust-lofty-attr does not exist on armel.
Package declares a build time dependency on librust-syn-2+parsing-dev (>= 2.0.72-~~) <!nocheck> which cannot be satisfied on mips64el. Package rust-lofty-attr does not exist on mips64el.
Package declares a build time dependency on librust-syn-2+parsing-dev (>= 2.0.72-~~) <!nocheck> which cannot be satisfied on armel. Package rust-lofty-attr does not exist on armel.
Package declares a build time dependency on libstd-rust-dev <!nocheck> which cannot be satisfied on armel. Package rust-lofty-attr does not exist on armel.
Package declares a build time dependency on libstd-rust-dev <!nocheck> which cannot be satisfied on mips64el. Package rust-lofty-attr does not exist on mips64el.
Package declares a build time dependency on librust-quote-1+default-dev (>= 1.0.36-~~) <!nocheck> which cannot be satisfied on armel. Package rust-lofty-attr does not exist on armel.
Package declares a build time dependency on librust-quote-1+default-dev (>= 1.0.36-~~) <!nocheck> which cannot be satisfied on mips64el. Package rust-lofty-attr does not exist on mips64el.
Package declares a build time dependency on librust-proc-macro2-1+default-dev (>= 1.0.86-~~) <!nocheck> which cannot be satisfied on mips64el. Package rust-lofty-attr does not exist on mips64el.
Package declares a build time dependency on librust-proc-macro2-1+default-dev (>= 1.0.86-~~) <!nocheck> which cannot be satisfied on armel. Package rust-lofty-attr does not exist on armel.
Package declares a build time dependency on librust-syn-2+full-dev (>= 2.0.72-~~) <!nocheck> which cannot be satisfied on mips64el. Package rust-lofty-attr does not exist on mips64el.
Package declares a build time dependency on librust-syn-2+full-dev (>= 2.0.72-~~) <!nocheck> which cannot be satisfied on armel. Package rust-lofty-attr does not exist on armel.
Package declares a build time dependency on librust-syn-2+default-dev (>= 2.0.72-~~) <!nocheck> which cannot be satisfied on armel. Package rust-lofty-attr does not exist on armel.
Package declares a build time dependency on librust-syn-2+default-dev (>= 2.0.72-~~) <!nocheck> which cannot be satisfied on mips64el. Package rust-lofty-attr 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 <!nocheck>' which is broken Syntax.