Build Failure on ports-10.15_x86_64: gcc10, gcc6, gcc8, libgcc-devel, libgcc6, libgcc7

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.15_x86_64
Full logs:    https://build.macports.org/builders/ports-10.15_x86_64-watcher/builds/2388
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    gcc6 gcc10 gcc9 gcc8
Subport list:
	- libgcc6
	- gcc6
	- gcc8
	- libgcc-devel
	- gcc10
Variants:     None
Revision:     6428e9a620e44787d2fa43ccb52ccd1abd5587c8
Build time:   0:30:37
Author:       Marcus Calhoun-Lopez <mcalhoun at macports.org>

Log from failed builds:
	Building 'libgcc6' ... [ERROR] (failed to install dependency 'libgcc7')
	> maintainers: .
	Building 'gcc6' ... [ERROR] (failed to install dependency 'libgcc7')
	> maintainers: .
	Building 'gcc8' ... [ERROR]
	> maintainers: .
	Building 'libgcc-devel' ... [ERROR]
	> maintainers: .
	Building 'gcc10' ... [ERROR] (failed to install dependency 'libgcc-devel')
	> maintainers: .

Broken ports:
	- gcc10
	- gcc6
	- gcc8
	- libgcc-devel
	- libgcc6
	- libgcc7

Links to individual build jobs:
- ports-10.15_x86_64-builder #21625
  https://build.macports.org/builders/ports-10.15_x86_64-builder/builds/21625
- ports-10.15_x86_64-builder #21626
  https://build.macports.org/builders/ports-10.15_x86_64-builder/builds/21626
- ports-10.15_x86_64-builder #21627
  https://build.macports.org/builders/ports-10.15_x86_64-builder/builds/21627
- ports-10.15_x86_64-builder #21628
  https://build.macports.org/builders/ports-10.15_x86_64-builder/builds/21628
- ports-10.15_x86_64-builder #21629
  https://build.macports.org/builders/ports-10.15_x86_64-builder/builds/21629

-- 
Best regards,
MacPorts Buildbot
https://build.macports.org/