spirv-builder: build rustc_codegen_spirv with the right toolchain via build script.
#2928
| Job | Run time |
|---|---|
| 4m 37s | |
| 21s | |
| 4m 48s | |
| 1m 13s | |
| 5m 11s | |
| 3m 2s | |
| 19m 12s |