Build Failure on ports-10.7_x86_64

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.7_x86_64
Full logs:    https://build.macports.org/builders/ports-10.7_x86_64-watcher/builds/2511
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    octave-nan
Subport list:
	- octave-nan
Variants:     None
Revision:     69bab5d693c1cf9a093edea3af1b576d1d091afa
Build time:   0:14:31
Author:       Marius Schamschula <mps at macports.org>

Log from failed builds:

Links to individual build jobs:
- ports-10.7_x86_64-builder #11535
  https://build.macports.org/builders/ports-10.7_x86_64-builder/builds/11535

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MacPorts Buildbot
https://build.macports.org/