these 2 derivations will be built:
  /nix/store/nfqsr7pb7ryczdwzciv9xlwax0l8pvmb-cargo-vendor-dir.drv
  /nix/store/p1ds26xj6wn4qb50gsnjgxj9fn6vma87-nixfmt-rs-static-x86_64-unknown-linux-musl-0.5.2.drv