these 3 derivations will be built:
  /nix/store/vmhrbdbfy5nla3fd6svmnv87i1qawi16-devshell-env.bash.drv
  /nix/store/42s2swprsdnas6l53rf5jwh8rz12gaa4-devshell-dir.drv
  /nix/store/zba7m59nksmy3h4kfnac907lwy9khigk-devshell.drv
these 4 paths will be fetched (3.4 KiB download, 13.6 KiB unpacked):
  /nix/store/n17p4y03iknmyjpnfk30rj7i0klr448n-builder.pl
  /nix/store/mmc0q9vsjp9nkdb4mb79v0k5hf536zcn-devshell-entrypoint
  /nix/store/xnb9fdf8l5190bbbgr6xc7c43qrj2rd2-menu
  /nix/store/dvvr4xqbnwpcawm2xw93yv33d5w398db-naked-stdenv