these 2 derivations will be built:
  /nix/store/jxvl4n1h5ijxw25gx9hwyq5w9rqlxyms-hol-guard-3.0.189.tar.gz.drv
  /nix/store/xlqhfn8gn9n1phwync5bmji5jjwbxfwl-hol-guard-3.0.189.drv
error: Cannot build '/nix/store/1fhz2li35l80d5144dr7vynvr4zzk2kj-hol-guard-3.0.189.tar.gz.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/xa21p4zvrjy8q5z639xgy9azcvpdw4yq-hol-guard-3.0.189.tar.gz
       Last 25 log lines:
       > Warning: Problem (retrying all errors). Retrying in 2 seconds. 2 retries left.
       >
       >   0      0   0      0   0      0      0      0                              0
       > 100    122 100    122   0      0  15059      0                              0
       > 100    122 100    122   0      0  14898      0                              0
       >
       >   0      0   0      0   0      0      0      0                              0
       > 100    280 100    280   0      0  17180      0                              0
       > 100    280 100    280   0      0  17087      0                              0
       >
       >   0      0   0      0   0      0      0      0                              0
       > curl: (22) The requested URL returned error: 404
       > Warning: Problem (retrying all errors). Retrying in 4 seconds. 1 retry left.
       >
       >   0      0   0      0   0      0      0      0                              0
       > 100    122 100    122   0      0  15108      0                              0
       > 100    122 100    122   0      0  14945      0                              0
       >
       >   0      0   0      0   0      0      0      0                              0
       > 100    280 100    280   0      0  17128      0                              0
       > 100    280 100    280   0      0  17037      0                              0
       >
       >   0      0   0      0   0      0      0      0                              0
       > curl: (22) The requested URL returned error: 404
       > error: cannot download hol-guard-3.0.189.tar.gz from any mirror
       For full logs, run:
         nix log /nix/store/1fhz2li35l80d5144dr7vynvr4zzk2kj-hol-guard-3.0.189.tar.gz.drv
error: build of resolved derivation '/nix/store/1fhz2li35l80d5144dr7vynvr4zzk2kj-hol-guard-3.0.189.tar.gz.drv' failed
error: Cannot build '/nix/store/xlqhfn8gn9n1phwync5bmji5jjwbxfwl-hol-guard-3.0.189.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/4c480ljnlfib7m278r7fjc6b39ks3cma-hol-guard-3.0.189
         /nix/store/q8rficmw4xxg30pj3044s0y480bvgzh9-hol-guard-3.0.189-dist