Problems for source package fretboard

BuildDepends

Package declares a build time dependency on librust-gettext-rs-0.7+gettext-system-dev which cannot be satisfied on armel. Package fretboard does not exist on armel.
Package declares a build time dependency on librust-once-cell-1+default-dev (>= 1.18.0-~~) which cannot be satisfied on armel. Package fretboard does not exist on armel.
Package declares a build time dependency on librust-gtk4-0.9+v4-16-dev which cannot be satisfied on armel. Package fretboard does not exist on armel.
Package declares a build time dependency on librust-gtk4-0.9+default-dev which cannot be satisfied on armel. Package fretboard does not exist on armel.
Package declares a build time dependency on librust-serde-1+derive-dev (>= 1.0.164-~~) which cannot be satisfied on armel. Package fretboard does not exist on armel.
Package declares a build time dependency on librust-libadwaita-0.7+v1-7-dev which cannot be satisfied on armel. Package fretboard does not exist on armel.
Package declares a build time dependency on librust-libadwaita-0.7+default-dev which cannot be satisfied on armel. Package fretboard does not exist on armel.
Package declares a build time dependency on desktop-file-utils which cannot be satisfied on armel. Package fretboard does not exist on armel.
Package declares a build time dependency on librust-gvdb-macros-0.1+default-dev (>= 0.1.12-~~) which cannot be satisfied on armel. Package fretboard does not exist on armel.
Package declares a build time dependency on librust-gettext-rs-0.7+default-dev which cannot be satisfied on armel. Package fretboard does not exist on armel.
Package declares a build time dependency on librust-serde-json-1+default-dev (>= 1.0.99-~~) which cannot be satisfied on armel. Package fretboard does not exist on armel.
Package declares a build time dependency on librust-rayon-1+default-dev (>= 1.7.0-~~) which cannot be satisfied on armel. Package fretboard does not exist on armel.
Package declares a build time dependency on libglib2.0-dev (>= 2.76) which cannot be satisfied on armel. Package fretboard does not exist on armel.
Package declares a build time dependency on librust-itertools-0.13+default-dev which cannot be satisfied on armel. Package fretboard does not exist on armel.
Package declares a build time dependency on libadwaita-1-dev (>= 1.5) which cannot be satisfied on armel. Package fretboard does not exist on armel.
Package declares a build time dependency on appstream <!nocheck> which cannot be satisfied on armel. Package fretboard does not exist on armel.
Package declares a build time dependency on libstd-rust-dev which cannot be satisfied on armel. Package fretboard does not exist on armel.
Package declares a build time dependency on librust-gtk4-0.9+blueprint-dev which cannot be satisfied on armel. Package fretboard does not exist on armel.
Package declares a build time dependency on librust-serde-1+default-dev (>= 1.0.164-~~) which cannot be satisfied on armel. Package fretboard does not exist on armel.

Malformed Build-Depends

Package declares a build time dependency on 'rustc:native' which is broken Syntax.
Package declares a build time dependency on 'cargo:native' which is broken Syntax.