gistfile1.txt

nix-repl> :b pkgs.runCommandNoCC "foo" {} "touch $out"                            
[1 built, 0.0 MiB DL]

this derivation produced the following outputs:
  out -> /nix/store/dyw8bl14y7rdp25qx2m7j4bk5rs3lrx0-foo

nix-repl> :b pkgs.runCommandNoCC "foo" { __structuredAttrs = true; } "touch $out"
builder for '/nix/store/hrzdfvwadb4hjazj2l1mlxkwzfis7ajv-foo.drv' failed with exit code 1; last 1 log lines:
  /nix/store/9krlzvny65gdc8s7kpb6lkx8cd02c25b-default-builder.sh: line 1: /setup: No such file or directory
[0 built (1 failed)]
error: build of '/nix/store/hrzdfvwadb4hjazj2l1mlxkwzfis7ajv-foo.drv' failed