these 4 derivations will be built:
  /nix/store/kggzf2qw1fwrgmqzb0pbkl9hsnsq7c9r-crate-rustyline-19.0.0.tar.gz.drv
  /nix/store/cgaihfjc1xb6fgbf6p4z0nvj1zi0i92i-rustyline-19.0.0.drv
  /nix/store/30g4rbicbjaj1ammqnpn6g9r0w6nshkw-cargo-vendor-dir.drv
  /nix/store/9shs44bxfmwb2sz8gdawiwqfvd0pqhzf-peephole-0.1.0.drv