this derivation will be built:
  /nix/store/8lz3lp6bfkk64cm9w81p8vnjzlldkxs0-spec-just.drv
building '/nix/store/8lz3lp6bfkk64cm9w81p8vnjzlldkxs0-spec-just.drv'
spec-just> wrote justfile to `/build/shallow/justfile`
spec-just> wrote justfile to `/build/deep/x/y/justfile`
spec-just> error: expected '*', ':', '$', identifier, or '+', but found '::'
spec-just>  ——▶ invalid/justfile:3:9
spec-just>   │
spec-just> 3 │ invalid ::: {
spec-just>   │         ^^
spec-just> error: expected '*', ':', '$', identifier, or '+', but found '::'
spec-just>  ——▶ invalid/justfile:3:9
spec-just>   │
spec-just> 3 │ invalid ::: {
spec-just>   │         ^^

upload niks3: ok