[joe@nixos:~/my-package]$ DEBUG=cypress:* CYPRESS_RUN_BINARY=`which Cypress` $(npm bin)/cypress verify
  cypress:cli cli starts with arguments ["/nix/store/zzszyrlq30ihglwr8i5d6h4j6fsf180f-nodejs-10.16.3/bin/node","/home/joe/intro-to-web-dev-v2/AJAX/node_modules/.bin/cypress","verify"] +0ms
  cypress:cli NODE_OPTIONS is not set +0ms
  cypress:cli program parsing arguments +6ms
  cypress:cli parsed cli options {} +2ms
  cypress:cli verifying Cypress app +0ms
  cypress:cli checking environment variables +1ms
  cypress:cli Using CYPRESS_RUN_BINARY from environment variable +71ms
  cypress:cli Using CYPRESS_RUN_BINARY from environment variable +0ms
  cypress:cli CYPRESS_RUN_BINARY exists, = /home/joe/.nix-profile/bin/Cypress +1ms
Note: You have set the environment variable:

CYPRESS_RUN_BINARY=/home/joe/.nix-profile/bin/Cypress

This overrides the default Cypress binary path used.

  cypress:cli CYPRESS_RUN_BINARY is executable? : true +12ms
  cypress:cli CYPRESS_RUN_BINARY has realpath: /nix/store/vrc808bqy220szgrl6j7f6wwwbb2vawx-cypress-3.4.1/bin/Cypress +0ms
  cypress:cli CYPRESS_RUN_BINARY has binaryDir: /nix/store/vrc808bqy220szgrl6j7f6wwwbb2vawx-cypress-3.4.1/bin +11ms
  cypress:cli checking if executable exists /nix/store/vrc808bqy220szgrl6j7f6wwwbb2vawx-cypress-3.4.1/bin/Cypress +1ms
  cypress:cli Binary is executable? : true +1ms
  cypress:cli binaryDir is  /nix/store/vrc808bqy220szgrl6j7f6wwwbb2vawx-cypress-3.4.1/bin +0ms
  cypress:cli Reading binary package.json from: /nix/store/vrc808bqy220szgrl6j7f6wwwbb2vawx-cypress-3.4.1/bin/resources/app/package.json +3ms
  cypress:cli no Cypress binary found for cli version  3.4.1 +2ms
No version of Cypress is installed in: /nix/store/vrc808bqy220szgrl6j7f6wwwbb2vawx-cypress-3.4.1/bin

Please reinstall Cypress by running: cypress install

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Cannot read binary version from: /nix/store/vrc808bqy220szgrl6j7f6wwwbb2vawx-cypress-3.4.1/bin/resources/app/package.json

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Platform: linux (Raspbian - 19.03.173522.021d733ea3f)
Cypress Version: 3.4.1