Because of versioning issues; the spirv_headers crate is unmaintained. Use spirv for parsing spirv files.
spirv_headers
{ "license": "CC0-1.0" }
{ "affected_functions": null, "affects": { "os": [], "functions": [], "arch": [] } }
"unmaintained"
[]
null
"https://github.com/rustsec/advisory-db/blob/osv/crates/RUSTSEC-2021-0096.json"