default.nix

let
  overlay = import (builtins.fetchTarball https://github.com/mozilla/nixpkgs-mozilla/archive/master.tar.gz);
in
  with import <nixpkgs> { overlays = [ overlay ]; };
  let
    buildRustPackage = rustPlatform.buildRustPackage.override {
      rust = latest.rustChannels.nightly;
    };
  in buildRustPackage {
    name = "nix-lsp";
    src = builtins.filterSource(path: _type: path != (toString ./target)) ./.;
    cargoSha256 = "0l1bmj9lckv81biff8z1nbq5j5n2p4mikbnjn67szkvk4kjw3sg9";
  }

errors

patching sources
configuring
building
Running cargo build --release
error: failed to load source for a dependency on `rnix`

Caused by:
  Unable to update https://gitlab.com/jD91mZM2/rnix.git?branch=errors#9aeb53e6

Caused by:
  failed to open: /homeless-shelter/.cargo/git/.cargo-lock-git

Caused by:
  Permission denied (os error 13)
builder for '/nix/store/fzfd6f7p8yax8p2qhfn6anypfj8qaxkp-nix-lsp.drv' failed with exit code 101
error: build of '/nix/store/fzfd6f7p8yax8p2qhfn6anypfj8qaxkp-nix-lsp.drv' failed