Problems for source package rust-crossbeam

BuildDepends

Package declares a build time dependency on librust-crossbeam-epoch-0.9+alloc-dev (>= 0.9.17-~~) <!nocheck> which cannot be satisfied on armel. Package rust-crossbeam does not exist on armel.
Package declares a build time dependency on librust-crossbeam-epoch-0.9+alloc-dev (>= 0.9.17-~~) <!nocheck> which cannot be satisfied on mips64el. Package rust-crossbeam does not exist on mips64el.
Package declares a build time dependency on librust-crossbeam-utils-0.8-dev (>= 0.8.18-~~) <!nocheck> which cannot be satisfied on armel. Package rust-crossbeam does not exist on armel.
Package declares a build time dependency on librust-crossbeam-utils-0.8-dev (>= 0.8.18-~~) <!nocheck> which cannot be satisfied on mips64el. Package rust-crossbeam does not exist on mips64el.
Package declares a build time dependency on libstd-rust-dev <!nocheck> which cannot be satisfied on armel. Package rust-crossbeam does not exist on armel.
Package declares a build time dependency on libstd-rust-dev <!nocheck> which cannot be satisfied on mips64el. Package rust-crossbeam does not exist on mips64el.
Package declares a build time dependency on librust-crossbeam-utils-0.8+std-dev (>= 0.8.18-~~) <!nocheck> which cannot be satisfied on armel. Package rust-crossbeam does not exist on armel.
Package declares a build time dependency on librust-crossbeam-utils-0.8+std-dev (>= 0.8.18-~~) <!nocheck> which cannot be satisfied on mips64el. Package rust-crossbeam does not exist on mips64el.
Package declares a build time dependency on dh-cargo (>= 25) which cannot be satisfied on mips64el. Package rust-crossbeam does not exist on mips64el.
Package declares a build time dependency on dh-cargo (>= 25) which cannot be satisfied on armel. Package rust-crossbeam does not exist on armel.
Package declares a build time dependency on librust-crossbeam-deque-0.8+std-dev (>= 0.8.4-~~) <!nocheck> which cannot be satisfied on mips64el. Package rust-crossbeam does not exist on mips64el.
Package declares a build time dependency on librust-crossbeam-deque-0.8+std-dev (>= 0.8.4-~~) <!nocheck> which cannot be satisfied on armel. Package rust-crossbeam does not exist on armel.
Package declares a build time dependency on librust-crossbeam-channel-0.5+std-dev (>= 0.5.10-~~) <!nocheck> which cannot be satisfied on mips64el. Package rust-crossbeam does not exist on mips64el.
Package declares a build time dependency on librust-crossbeam-channel-0.5+std-dev (>= 0.5.10-~~) <!nocheck> which cannot be satisfied on armel. Package rust-crossbeam does not exist on armel.
Package declares a build time dependency on librust-crossbeam-queue-0.3+alloc-dev (>= 0.3.10-~~) <!nocheck> which cannot be satisfied on mips64el. Package rust-crossbeam does not exist on mips64el.
Package declares a build time dependency on librust-crossbeam-queue-0.3+alloc-dev (>= 0.3.10-~~) <!nocheck> which cannot be satisfied on armel. Package rust-crossbeam does not exist on armel.
Package declares a build time dependency on librust-crossbeam-queue-0.3+std-dev (>= 0.3.10-~~) <!nocheck> which cannot be satisfied on mips64el. Package rust-crossbeam does not exist on mips64el.
Package declares a build time dependency on librust-crossbeam-queue-0.3+std-dev (>= 0.3.10-~~) <!nocheck> which cannot be satisfied on armel. Package rust-crossbeam does not exist on armel.
Package declares a build time dependency on debhelper (>= 12) which cannot be satisfied on mips64el. Package rust-crossbeam does not exist on mips64el.
Package declares a build time dependency on debhelper (>= 12) which cannot be satisfied on armel. Package rust-crossbeam does not exist on armel.
Package declares a build time dependency on librust-crossbeam-epoch-0.9+std-dev (>= 0.9.17-~~) <!nocheck> which cannot be satisfied on armel. Package rust-crossbeam does not exist on armel.
Package declares a build time dependency on librust-crossbeam-epoch-0.9+std-dev (>= 0.9.17-~~) <!nocheck> which cannot be satisfied on mips64el. Package rust-crossbeam does not exist on mips64el.

Malformed Build-Depends

Package declares a build time dependency on 'rustc:native (>= 1.61) <!nocheck>' which is broken Syntax.
Package declares a build time dependency on 'cargo:native <!nocheck>' which is broken Syntax.