I tried to enter the nix development flake with nix develop git+https://git.m-labs.hk/M-Labs/artiq-zynq\?ref=release-9, but then I get:
error:
… while evaluating a branch condition
at /nix/store/ds2x1l37fidk2b65c4cwg77vp976fbd4-source/lib/trivial.nix:913:27:
912| */
913| throwIfNot = cond: msg: if cond then x: x else throw msg;
| ^
914|
… while calling the 'all' builtin
at /nix/store/ds2x1l37fidk2b65c4cwg77vp976fbd4-source/pkgs/top-level/default.nix:83:20:
82| (throwIfNot (lib.isList overlays) "The overlays argument to nixpkgs must be a list.")
83| (throwIfNot (lib.all lib.isFunction overlays) "All overlays passed to nixpkgs must be functions.")
| ^
84| (throwIfNot (lib.isList crossOverlays) "The crossOverlays argument to nixpkgs must be a list.")
(stack trace truncated; use '--show-trace' to show the full, detailed trace)
error: Failed to open archive (Source threw exception: error: unable to download 'https://api.github.com/repos/oxalica/rust-overlay/tarball/d7a86c8a4df49002446737603a3e0d7ef91a9637': HTTP error 401
response body:
{
"message": "Bad credentials",
"documentation_url": "https://docs.github.com/rest",
"status": "401"
})