Build Failure on ports-10.8_x86_64: alertmanager, go, node_exporter, prometheus, rust, websocat

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.8_x86_64
Full logs:    https://build.macports.org/builders/ports-10.8_x86_64-watcher/builds/664
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    alertmanager miller node_exporter prometheus websocat fstar z3
Subport list:
	- alertmanager
	- node_exporter
	- prometheus
	- websocat
Variants:     None
Revision:     f1cf37b6fdbdab8f549514f9abd39a3937e802f0
Build time:   0:03:20
Author:       Ryan Schmidt <ryandesign at macports.org>

Log from failed builds:
	Building 'alertmanager' ... [ERROR] (failed to install dependency 'go')
	> maintainers: herbygillot at gmail.com,ciserlohn at macports.org.
	Building 'node_exporter' ... [ERROR] (failed to install dependency 'go')
	> maintainers: herbygillot at gmail.com,ciserlohn at macports.org.
	Building 'prometheus' ... [ERROR] (failed to install dependency 'go')
	> maintainers: herby.gillot at gmail.com,ciserlohn at macports.org.
	Building 'websocat' ... [ERROR] (failed to install dependency 'rust')
	> maintainers: herby.gillot at gmail.com,g5pw at macports.org.

Broken ports:
	- alertmanager
	- go
	- node_exporter
	- prometheus
	- rust
	- websocat

Responsible maintainers:
	- ciserlohn at macports.org
	- g5pw at macports.org
	- herby.gillot at gmail.com
	- herbygillot at gmail.com

Links to individual build jobs:
- ports-10.8_x86_64-builder #4307
  https://build.macports.org/builders/ports-10.8_x86_64-builder/builds/4307
- ports-10.8_x86_64-builder #4308
  https://build.macports.org/builders/ports-10.8_x86_64-builder/builds/4308
- ports-10.8_x86_64-builder #4309
  https://build.macports.org/builders/ports-10.8_x86_64-builder/builds/4309
- ports-10.8_x86_64-builder #4310
  https://build.macports.org/builders/ports-10.8_x86_64-builder/builds/4310

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