I got this error while trying to make or make rpm. My server is using CentOS8. Here are the process:

[root@webserver7 nginx-vts-exporter-0.10.7]# ls
_config.yml docker-entrypoint.sh go.mod LICENSE nginx_vts_exporter.go rpm vendor
dashboard Dockerfile go.sum Makefile README.md systemd VERSION
[root@webserver7 nginx-vts-exporter-0.10.7]# go env
GOARCH="amd64"
GOBIN=""
GOCACHE="/root/.cache/go-build"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOOS="linux"
GOPATH="/root/go"
GOPROXY=""
GORACE=""
GOROOT="/usr/lib/golang"
GOTMPDIR=""
GOTOOLDIR="/usr/lib/golang/pkg/tool/linux_amd64"
GCCGO="gccgo"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD="/root/nginx-vts-exporter-0.10.7/go.mod"
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build289474102=/tmp/go-build -gno-record-gcc-switches"
[root@webserver7 nginx-vts-exporter-0.10.7]# make rpm

building rpm package
./
./.dockerignore
./.gitignore
./.promu.yml
./.travis.yml
./Dockerfile
./LICENSE
./Makefile
./README.md
./VERSION
./_config.yml
./dashboard/
./dashboard/nginx-vts-exporter.json
./docker-entrypoint.sh
./go.mod
./go.sum
./nginx_vts_exporter.go
./rpm/
./rpm/makerpm.sh
./rpm/nginx_vts_exporter.spec.tmpl
./rpm/SRPMS/
./systemd/
./systemd/nginx_vts_exporter.default
./systemd/nginx_vts_exporter.service
./vendor/
./vendor/github.com/
./vendor/github.com/beorn7/
./vendor/github.com/beorn7/perks/
./vendor/github.com/beorn7/perks/LICENSE
./vendor/github.com/beorn7/perks/quantile/
./vendor/github.com/beorn7/perks/quantile/exampledata.txt
./vendor/github.com/beorn7/perks/quantile/stream.go
./vendor/github.com/cespare/
./vendor/github.com/cespare/xxhash/
./vendor/github.com/cespare/xxhash/v2/
./vendor/github.com/cespare/xxhash/v2/.travis.yml
./vendor/github.com/cespare/xxhash/v2/LICENSE.txt
./vendor/github.com/cespare/xxhash/v2/README.md
./vendor/github.com/cespare/xxhash/v2/go.mod
./vendor/github.com/cespare/xxhash/v2/go.sum
./vendor/github.com/cespare/xxhash/v2/xxhash.go
./vendor/github.com/cespare/xxhash/v2/xxhash_amd64.go
./vendor/github.com/cespare/xxhash/v2/xxhash_amd64.s
./vendor/github.com/cespare/xxhash/v2/xxhash_other.go
./vendor/github.com/cespare/xxhash/v2/xxhash_safe.go
./vendor/github.com/cespare/xxhash/v2/xxhash_unsafe.go
./vendor/github.com/golang/
./vendor/github.com/golang/protobuf/
./vendor/github.com/golang/protobuf/AUTHORS
./vendor/github.com/golang/protobuf/CONTRIBUTORS
./vendor/github.com/golang/protobuf/LICENSE
./vendor/github.com/golang/protobuf/proto/
./vendor/github.com/golang/protobuf/proto/clone.go
./vendor/github.com/golang/protobuf/proto/decode.go
./vendor/github.com/golang/protobuf/proto/deprecated.go
./vendor/github.com/golang/protobuf/proto/discard.go
./vendor/github.com/golang/protobuf/proto/encode.go
./vendor/github.com/golang/protobuf/proto/equal.go
./vendor/github.com/golang/protobuf/proto/extensions.go
./vendor/github.com/golang/protobuf/proto/lib.go
./vendor/github.com/golang/protobuf/proto/message_set.go
./vendor/github.com/golang/protobuf/proto/pointer_reflect.go
./vendor/github.com/golang/protobuf/proto/pointer_unsafe.go
./vendor/github.com/golang/protobuf/proto/properties.go
./vendor/github.com/golang/protobuf/proto/table_marshal.go
./vendor/github.com/golang/protobuf/proto/table_merge.go
./vendor/github.com/golang/protobuf/proto/table_unmarshal.go
./vendor/github.com/golang/protobuf/proto/text.go
./vendor/github.com/golang/protobuf/proto/text_parser.go
./vendor/github.com/golang/protobuf/ptypes/
./vendor/github.com/golang/protobuf/ptypes/any.go
./vendor/github.com/golang/protobuf/ptypes/any/
./vendor/github.com/golang/protobuf/ptypes/any/any.pb.go
./vendor/github.com/golang/protobuf/ptypes/any/any.proto
./vendor/github.com/golang/protobuf/ptypes/doc.go
./vendor/github.com/golang/protobuf/ptypes/duration.go
./vendor/github.com/golang/protobuf/ptypes/duration/
./vendor/github.com/golang/protobuf/ptypes/duration/duration.pb.go
./vendor/github.com/golang/protobuf/ptypes/duration/duration.proto
./vendor/github.com/golang/protobuf/ptypes/timestamp.go
./vendor/github.com/golang/protobuf/ptypes/timestamp/
./vendor/github.com/golang/protobuf/ptypes/timestamp/timestamp.pb.go
./vendor/github.com/golang/protobuf/ptypes/timestamp/timestamp.proto
./vendor/github.com/matttproud/
./vendor/github.com/matttproud/golang_protobuf_extensions/
./vendor/github.com/matttproud/golang_protobuf_extensions/LICENSE
./vendor/github.com/matttproud/golang_protobuf_extensions/NOTICE
./vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/
./vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/.gitignore
./vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/Makefile
./vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/decode.go
./vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/doc.go
./vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/encode.go
./vendor/github.com/prometheus/
./vendor/github.com/prometheus/client_golang/
./vendor/github.com/prometheus/client_golang/LICENSE
./vendor/github.com/prometheus/client_golang/NOTICE
./vendor/github.com/prometheus/client_golang/prometheus/
./vendor/github.com/prometheus/client_golang/prometheus/.gitignore
./vendor/github.com/prometheus/client_golang/prometheus/README.md
./vendor/github.com/prometheus/client_golang/prometheus/build_info.go
./vendor/github.com/prometheus/client_golang/prometheus/build_info_pre_1.12.go
./vendor/github.com/prometheus/client_golang/prometheus/collector.go
./vendor/github.com/prometheus/client_golang/prometheus/counter.go
./vendor/github.com/prometheus/client_golang/prometheus/desc.go
./vendor/github.com/prometheus/client_golang/prometheus/doc.go
./vendor/github.com/prometheus/client_golang/prometheus/expvar_collector.go
./vendor/github.com/prometheus/client_golang/prometheus/fnv.go
./vendor/github.com/prometheus/client_golang/prometheus/gauge.go
./vendor/github.com/prometheus/client_golang/prometheus/go_collector.go
./vendor/github.com/prometheus/client_golang/prometheus/histogram.go
./vendor/github.com/prometheus/client_golang/prometheus/internal/
./vendor/github.com/prometheus/client_golang/prometheus/internal/metric.go
./vendor/github.com/prometheus/client_golang/prometheus/labels.go
./vendor/github.com/prometheus/client_golang/prometheus/metric.go
./vendor/github.com/prometheus/client_golang/prometheus/observer.go
./vendor/github.com/prometheus/client_golang/prometheus/process_collector.go
./vendor/github.com/prometheus/client_golang/prometheus/process_collector_other.go
./vendor/github.com/prometheus/client_golang/prometheus/process_collector_windows.go
./vendor/github.com/prometheus/client_golang/prometheus/promhttp/
./vendor/github.com/prometheus/client_golang/prometheus/promhttp/delegator.go
./vendor/github.com/prometheus/client_golang/prometheus/promhttp/http.go
./vendor/github.com/prometheus/client_golang/prometheus/promhttp/instrument_client.go
./vendor/github.com/prometheus/client_golang/prometheus/promhttp/instrument_server.go
./vendor/github.com/prometheus/client_golang/prometheus/registry.go
./vendor/github.com/prometheus/client_golang/prometheus/summary.go
./vendor/github.com/prometheus/client_golang/prometheus/timer.go
./vendor/github.com/prometheus/client_golang/prometheus/untyped.go
./vendor/github.com/prometheus/client_golang/prometheus/value.go
./vendor/github.com/prometheus/client_golang/prometheus/vec.go
./vendor/github.com/prometheus/client_golang/prometheus/wrap.go
./vendor/github.com/prometheus/client_model/
./vendor/github.com/prometheus/client_model/LICENSE
./vendor/github.com/prometheus/client_model/NOTICE
./vendor/github.com/prometheus/client_model/go/
./vendor/github.com/prometheus/client_model/go/metrics.pb.go
./vendor/github.com/prometheus/common/
./vendor/github.com/prometheus/common/LICENSE
./vendor/github.com/prometheus/common/NOTICE
./vendor/github.com/prometheus/common/expfmt/
./vendor/github.com/prometheus/common/expfmt/decode.go
./vendor/github.com/prometheus/common/expfmt/encode.go
./vendor/github.com/prometheus/common/expfmt/expfmt.go
./vendor/github.com/prometheus/common/expfmt/fuzz.go
./vendor/github.com/prometheus/common/expfmt/openmetrics_create.go
./vendor/github.com/prometheus/common/expfmt/text_create.go
./vendor/github.com/prometheus/common/expfmt/text_parse.go
./vendor/github.com/prometheus/common/internal/
./vendor/github.com/prometheus/common/internal/bitbucket.org/
./vendor/github.com/prometheus/common/internal/bitbucket.org/ww/
./vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/
./vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/README.txt
./vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/autoneg.go
./vendor/github.com/prometheus/common/model/
./vendor/github.com/prometheus/common/model/alert.go
./vendor/github.com/prometheus/common/model/fingerprinting.go
./vendor/github.com/prometheus/common/model/fnv.go
./vendor/github.com/prometheus/common/model/labels.go
./vendor/github.com/prometheus/common/model/labelset.go
./vendor/github.com/prometheus/common/model/metric.go
./vendor/github.com/prometheus/common/model/model.go
./vendor/github.com/prometheus/common/model/signature.go
./vendor/github.com/prometheus/common/model/silence.go
./vendor/github.com/prometheus/common/model/time.go
./vendor/github.com/prometheus/common/model/value.go
./vendor/github.com/prometheus/common/version/
./vendor/github.com/prometheus/common/version/info.go
./vendor/github.com/prometheus/procfs/
./vendor/github.com/prometheus/procfs/.gitignore
./vendor/github.com/prometheus/procfs/.golangci.yml
./vendor/github.com/prometheus/procfs/CONTRIBUTING.md
./vendor/github.com/prometheus/procfs/LICENSE
./vendor/github.com/prometheus/procfs/MAINTAINERS.md
./vendor/github.com/prometheus/procfs/Makefile
./vendor/github.com/prometheus/procfs/Makefile.common
./vendor/github.com/prometheus/procfs/NOTICE
./vendor/github.com/prometheus/procfs/README.md
./vendor/github.com/prometheus/procfs/arp.go
./vendor/github.com/prometheus/procfs/buddyinfo.go
./vendor/github.com/prometheus/procfs/cpuinfo.go
./vendor/github.com/prometheus/procfs/crypto.go
./vendor/github.com/prometheus/procfs/doc.go
./vendor/github.com/prometheus/procfs/fixtures.ttar
./vendor/github.com/prometheus/procfs/fs.go
./vendor/github.com/prometheus/procfs/go.mod
./vendor/github.com/prometheus/procfs/go.sum
./vendor/github.com/prometheus/procfs/internal/
./vendor/github.com/prometheus/procfs/internal/fs/
./vendor/github.com/prometheus/procfs/internal/fs/fs.go
./vendor/github.com/prometheus/procfs/internal/util/
./vendor/github.com/prometheus/procfs/internal/util/parse.go
./vendor/github.com/prometheus/procfs/internal/util/readfile.go
./vendor/github.com/prometheus/procfs/internal/util/sysreadfile.go
./vendor/github.com/prometheus/procfs/internal/util/sysreadfile_compat.go
./vendor/github.com/prometheus/procfs/internal/util/valueparser.go
./vendor/github.com/prometheus/procfs/ipvs.go
./vendor/github.com/prometheus/procfs/mdstat.go
./vendor/github.com/prometheus/procfs/meminfo.go
./vendor/github.com/prometheus/procfs/mountinfo.go
./vendor/github.com/prometheus/procfs/mountstats.go
./vendor/github.com/prometheus/procfs/net_dev.go
./vendor/github.com/prometheus/procfs/net_sockstat.go
./vendor/github.com/prometheus/procfs/net_softnet.go
./vendor/github.com/prometheus/procfs/net_unix.go
./vendor/github.com/prometheus/procfs/proc.go
./vendor/github.com/prometheus/procfs/proc_environ.go
./vendor/github.com/prometheus/procfs/proc_fdinfo.go
./vendor/github.com/prometheus/procfs/proc_io.go
./vendor/github.com/prometheus/procfs/proc_limits.go
./vendor/github.com/prometheus/procfs/proc_ns.go
./vendor/github.com/prometheus/procfs/proc_psi.go
./vendor/github.com/prometheus/procfs/proc_stat.go
./vendor/github.com/prometheus/procfs/proc_status.go
./vendor/github.com/prometheus/procfs/schedstat.go
./vendor/github.com/prometheus/procfs/stat.go
./vendor/github.com/prometheus/procfs/ttar
./vendor/github.com/prometheus/procfs/vm.go
./vendor/github.com/prometheus/procfs/xfrm.go
./vendor/github.com/prometheus/procfs/zoneinfo.go
./vendor/golang.org/
./vendor/golang.org/x/
./vendor/golang.org/x/sys/
./vendor/golang.org/x/sys/AUTHORS
./vendor/golang.org/x/sys/CONTRIBUTORS
./vendor/golang.org/x/sys/LICENSE
./vendor/golang.org/x/sys/PATENTS
./vendor/golang.org/x/sys/windows/
./vendor/golang.org/x/sys/windows/aliases.go
./vendor/golang.org/x/sys/windows/dll_windows.go
./vendor/golang.org/x/sys/windows/empty.s
./vendor/golang.org/x/sys/windows/env_windows.go
./vendor/golang.org/x/sys/windows/eventlog.go
./vendor/golang.org/x/sys/windows/exec_windows.go
./vendor/golang.org/x/sys/windows/memory_windows.go
./vendor/golang.org/x/sys/windows/mkerrors.bash
./vendor/golang.org/x/sys/windows/mkknownfolderids.bash
./vendor/golang.org/x/sys/windows/mksyscall.go
./vendor/golang.org/x/sys/windows/race.go
./vendor/golang.org/x/sys/windows/race0.go
./vendor/golang.org/x/sys/windows/security_windows.go
./vendor/golang.org/x/sys/windows/service.go
./vendor/golang.org/x/sys/windows/str.go
./vendor/golang.org/x/sys/windows/syscall.go
./vendor/golang.org/x/sys/windows/syscall_windows.go
./vendor/golang.org/x/sys/windows/types_windows.go
./vendor/golang.org/x/sys/windows/types_windows_386.go
./vendor/golang.org/x/sys/windows/types_windows_amd64.go
./vendor/golang.org/x/sys/windows/types_windows_arm.go
./vendor/golang.org/x/sys/windows/zerrors_windows.go
./vendor/golang.org/x/sys/windows/zknownfolderids_windows.go
./vendor/golang.org/x/sys/windows/zsyscall_windows.go
./vendor/modules.txt
Last metadata expiration check: 0:05:14 ago on Mon 08 Jun 2020 10:25:17 PM WIB.
Package golang-1.12.12-4.module_el8.1.0+271+e71148fc.x86_64 is already installed.
Package make-1:4.2.1-9.el8.x86_64 is already installed.
Dependencies resolved.
Nothing to do.
Complete!
Executing(%prep): /bin/sh -e /var/tmp/rpm-tmp.RPju4H

• umask 022
• cd /root/nginx-vts-exporter-0.10.7/rpm/BUILD
• cd /root/nginx-vts-exporter-0.10.7/rpm/BUILD
• rm -rf nginx-vts-exporter-0.10.7
• /usr/bin/gzip -dc /root/nginx-vts-exporter-0.10.7/rpm/SOURCES/nginx_vts_exporter-0.10.7.tar.gz
• /usr/bin/tar -xof -
• STATUS=0
• '[' 0 -ne 0 ']'
• cd nginx-vts-exporter-0.10.7
• /usr/bin/chmod -Rf a+rX,u+w,g-w,o-w .
• /usr/bin/cp /root/nginx-vts-exporter-0.10.7/rpm/SOURCES/nginx_vts_exporter.service /root/nginx-vts-exporter-0.10.7/rpm/SOURCES/nginx_vts_exporter.default .
• exit 0
  Executing(%build): /bin/sh -e /var/tmp/rpm-tmp.pmJRK0
• umask 022
• cd /root/nginx-vts-exporter-0.10.7/rpm/BUILD
• cd nginx-vts-exporter-0.10.7
  ++ go env GOPATH
• export GOPATH=/root/go
• GOPATH=/root/go
• GO111MODULE=on
• make build
  make[1]: Entering directory '/root/nginx-vts-exporter-0.10.7/rpm/BUILD/nginx-vts-exporter-0.10.7'
  go: finding github.com/alecthomas/template latest
  go: finding github.com/alecthomas/units latest
  go: finding gopkg.in/check.v1 latest
  go: finding golang.org/x/oauth2 latest
  go: finding github.com/mwitkow/go-conntrack latest
  go: finding golang.org/x/net latest
  go: finding golang.org/x/sync latest
  go: finding golang.org/x/sys latest
  go: finding golang.org/x/crypto latest
  go: finding github.com/modern-go/concurrent latest
  go: finding golang.org/x/tools latest
  go: finding gopkg.in/yaml.v3 latest
  go: finding github.com/cncf/udpa/go latest
  go: finding golang.org/x/time latest
  go: finding golang.org/x/lint latest
  go: finding golang.org/x/exp latest
  go: finding github.com/kr/logfmt latest
  go: finding google.golang.org/genproto latest
  go: finding github.com/google/pprof latest
  go: finding golang.org/x/xerrors latest
  go: finding github.com/golang/glog latest
  go: finding github.com/chzyer/readline latest
  go: finding github.com/chzyer/test latest
  go: finding github.com/golang/groupcache latest
  go: finding github.com/go-gl/glfw/v3.3/glfw latest
  go: finding github.com/go-gl/glfw latest
  go: finding golang.org/x/mobile latest
  go: finding github.com/BurntSushi/xgb latest
  go: finding golang.org/x/image latest
  go: finding github.com/streadway/amqp latest
  go: finding golang.org/x/tools v0.0.0-20190628153133-6cdbf07be9d0
  go: finding github.com/eapache/go-xerial-snappy latest
  go: finding github.com/coreos/go-systemd latest
  go: finding github.com/coreos/pkg latest
  go: finding rsc.io/binaryregexp v0.2.0
  go: finding github.com/streadway/handy latest
  go: finding github.com/xiang90/probing latest
  go: finding github.com/tmc/grpc-websocket-proxy latest
  go: finding github.com/golang/protobuf v1.4.0-rc.2
  go: finding github.com/rcrowley/go-metrics latest
  go: finding github.com/gopherjs/gopherjs latest
  go: finding github.com/clbanning/x2j latest
  go: finding golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522
  go: finding github.com/influxdata/influxdb1-client latest
  go: finding github.com/samuel/go-zookeeper latest
  go: finding cloud.google.com/go/bigquery v1.7.0
  go: finding github.com/opentracing-contrib/go-observer latest
  go: finding golang.org/x/tools v0.0.0-20190312151545-0bb0c0a6e846
  go: finding golang.org/x/sys v0.0.0-20200511232937-7e40ca221e25
  go: finding golang.org/x/tools v0.0.0-20200512131952-2bc93b1c0c88
  go: finding golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6
  go: finding github.com/op/go-logging latest
  go: finding google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60
  go: finding github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208
  go: finding gopkg.in/tomb.v1 latest
  go: finding google.golang.org/genproto v0.0.0-20200511104702-f5ebc3bea380
  go: finding github.com/franela/goreq latest
  go: finding github.com/modocache/gover latest
  go: finding github.com/ianlancetaylor/demangle latest
  go: finding cloud.google.com/go/pubsub v1.3.1
  go: finding github.com/codahale/hdrhistogram latest
  go: finding sourcegraph.com/sourcegraph/appdash latest
  go: finding golang.org/x/tools v0.0.0-20180221164845-07fd8470d635
  go: finding github.com/xdg/scram latest
  go: finding golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e
  go: finding github.com/prometheus/tsdb v0.7.1
  go: finding github.com/aryann/difflib latest
  go: finding golang.org/x/net v0.0.0-20200506145744-7e3656a0809f
  go: finding google.golang.org/genproto v0.0.0-20200312145019-da6875a35672
  go: finding github.com/franela/goblin latest
  go: finding github.com/cockroachdb/datadriven latest
  go: finding golang.org/x/tools v0.0.0-20190816200558-6889da9d5479
  go: github.com/coreos/go-systemd@v0.0.0-20200602090505-b51e752dd1c9: go.mod has post-v0 module path "github.com/coreos/go-systemd/v22" at revision b51e752dd1c9
  go: finding golang.org/x/tools v0.0.0-20200312045724-11d5b4c81c7d
  go: finding google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64
  go: finding cloud.google.com/go v0.54.0
  go: finding github.com/golang/protobuf v1.3.4
  go: finding cloud.google.com/go/bigquery v1.5.0
  go: finding github.com/prometheus/common v0.4.0
  go: finding github.com/onsi/gomega v1.7.1
  go: finding github.com/prometheus/procfs v0.0.0-20190507164030-5867b95ac084
  go: finding github.com/frankban/quicktest v1.10.0
  go get: error loading module requirements
  make[1]: *** [Makefile:69: promu] Error 1
  make[1]: Leaving directory '/root/nginx-vts-exporter-0.10.7/rpm/BUILD/nginx-vts-exporter-0.10.7'
  error: Bad exit status from /var/tmp/rpm-tmp.pmJRK0 (%build)

Is there anything wrong with it? Hope you can help..

Thanks..