nix: don't check

module.nix

@@ -12,7 +12,7 @@ with lib; let
       inherit (cfg.mqtt) hostname port username;
       "password-file" = "$CREDENTIALS_DIRECTORY/mqtt_password";
     };
-    device."password-file" = cfg.devicePasswordFile;
+    device."password-file" = "$CREDENTIALS_DIRECTORY/device_password";
   };
   cfg = config.services.tasmota-backup;
 in {
@@ -75,6 +75,7 @@ in {
         ExecStart = "${cfg.package}/bin/tasmota-backup ${configFile}";
         LoadCredential = [
           "mqtt_password:${cfg.mqtt.passwordFile}"
+          "device_password:${cfg.devicePasswordFile}"
         ];
         ReadWritePaths = [cfg.outputPath];
         Restart = "on-failure";

package.nix

@@ -14,6 +14,8 @@ in
 
     inherit src;
 
+    doCheck = false;
+
     cargoLock = {
       lockFile = ./Cargo.lock;