$ ./build-support/bin/release.sh -t

[== 00:00 Installing and testing the latest released packages. ==]

Using /usr/local/bin/python2.7
New python executable in /var/folders/x_/f8zzwzds7nqfzjv7ch83ppfw0000gn/T/pants.XXXXX.xWGV1lHz/bin/python2.7
Also creating executable in /var/folders/x_/f8zzwzds7nqfzjv7ch83ppfw0000gn/T/pants.XXXXX.xWGV1lHz/bin/python
Installing setuptools, pip...done.

[== 00:03 Installing and testing package pantsbuild.pants-0.0.40 ... ==]

You are using pip version 6.1.1, however version 7.1.0 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
  Could not find a version that satisfies the requirement pantsbuild.pants==0.0.40 (from versions: 0.0.17, 0.0.18, 0.0.20, 0.0.21, 0.0.22, 0.0.23, 0.0.24, 0.0.25, 0.0.26, 0.0.27, 0.0.28, 0.0.29, 0.0.30, 0.0.31, 0.0.32, 0.0.33, 0.0.34, 0.0.35, 0.0.36, 0.0.37, 0.0.38, 0.0.39)
  No matching distribution found for pantsbuild.pants==0.0.40

pip install of pantsbuild.pants failed!

Failed to install and test the latest released packages.