>>> flannel v0.5.5 Downloading
--2018-09-25 04:48:14--  https://github.com/coreos/flannel/archive/v0.5.5.tar.gz
Resolving github.com (github.com)... 192.30.253.113, 192.30.253.112
Connecting to github.com (github.com)|192.30.253.113|:443... connected.
HTTP request sent, awaiting response... 302 Found
Location: https://codeload.github.com/coreos/flannel/tar.gz/v0.5.5 [following]
--2018-09-25 04:48:15--  https://codeload.github.com/coreos/flannel/tar.gz/v0.5.5
Resolving codeload.github.com (codeload.github.com)... 192.30.253.121, 192.30.253.120
Connecting to codeload.github.com (codeload.github.com)|192.30.253.121|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: unspecified [application/x-gzip]
Saving to: '/home/buildroot/autobuild/run/instance-1/output/build/.v0.5.5.tar.gz.PUW3iO/output'

     0K .......... .......... .......... .......... ..........  313K
    50K .......... .......... .......... .......... ..........  662K
   100K .......... .......... .......... .......... .......... 43.0M
   150K .......... .......... .......... .......... ..........  739K
   200K .......... .......... .......... .......... .......... 6.42M
   250K .......... .......... .......... .......... .......... 54.3M
   300K .......... .......... .......... .......... .......... 11.9M
   350K .......... .......... .......... .......... ..........  803K
   400K .......... .......... .......... .......... .......... 5.59M
   450K .......... .......... .......... .......... .......... 39.8M
   500K .......... .......... .......... .......... .......... 41.5M
   550K .......... .......... ........                         38.5M=0.4s

2018-09-25 04:48:15 (1.45 MB/s) - '/home/buildroot/autobuild/run/instance-1/output/build/.v0.5.5.tar.gz.PUW3iO/output' saved [592242]

ERROR: v0.5.5.tar.gz has wrong sha256 hash:
ERROR: expected: dbbcb08c0e70713b0c920387a9967e5b30ef833c8118c847edbbca4f68ff0562
ERROR: got     : f97cff12074a5fcea6673a56677b893c97e4b8f22e1f8f6d04763cca801299bf
ERROR: Incomplete download, or man-in-the-middle (MITM) attack
--2018-09-25 04:48:15--  http://sources.buildroot.net/flannel/v0.5.5.tar.gz
Resolving sources.buildroot.net (sources.buildroot.net)... 104.25.210.19, 104.25.211.19, 2400:cb00:2048:1::6819:d213, ...
Connecting to sources.buildroot.net (sources.buildroot.net)|104.25.210.19|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 592235 (578K) [application/x-gtar-compressed]
Saving to: '/home/buildroot/autobuild/run/instance-1/output/build/.v0.5.5.tar.gz.L6YNGL/output'

     0K .......... .......... .......... .......... ..........  8% 2.52M 0s
    50K .......... .......... .......... .......... .......... 17% 2.11M 0s
   100K .......... .......... .......... .......... .......... 25% 1.54M 0s
   150K .......... .......... .......... .......... .......... 34% 2.36M 0s
   200K .......... .......... .......... .......... .......... 43% 1.56M 0s
   250K .......... .......... .......... .......... .......... 51% 1.44M 0s
   300K .......... .......... .......... .......... .......... 60% 1.12M 0s
   350K .......... .......... .......... .......... .......... 69% 1.01M 0s
   400K .......... .......... .......... .......... .......... 77% 3.11M 0s
   450K .......... .......... .......... .......... .......... 86% 3.20M 0s
   500K .......... .......... .......... .......... .......... 95% 3.37M 0s
   550K .......... .......... ........                        100% 5.21M=0.3s

2018-09-25 04:48:16 (1.86 MB/s) - '/home/buildroot/autobuild/run/instance-1/output/build/.v0.5.5.tar.gz.L6YNGL/output' saved [592235/592235]

v0.5.5.tar.gz: OK (sha256: dbbcb08c0e70713b0c920387a9967e5b30ef833c8118c847edbbca4f68ff0562)
>>> flannel v0.5.5 Extracting
gzip -d -c /home/buildroot/autobuild/run/instance-1/dl/flannel/v0.5.5.tar.gz | tar --strip-components=1 -C /home/buildroot/autobuild/run/instance-1/output/build/flannel-v0.5.5   -xf -
>>> flannel v0.5.5 Patching
>>> flannel v0.5.5 Configuring
mkdir -p /home/buildroot/autobuild/run/instance-1/output/build/flannel-v0.5.5/_gopath/src/github.com/coreos/
ln -sf /home/buildroot/autobuild/run/instance-1/output/build/flannel-v0.5.5 /home/buildroot/autobuild/run/instance-1/output/build/flannel-v0.5.5/_gopath/src/github.com/coreos/flannel
>>> flannel v0.5.5 Building
cd /home/buildroot/autobuild/run/instance-1/output/build/flannel-v0.5.5/_gopath/src/github.com/coreos/flannel; GOARCH=amd64 GOROOT="/home/buildroot/autobuild/run/instance-1/output/host/lib/go" CC="/home/buildroot/autobuild/run/instance-1/output/host/bin/x86_64-amd-linux-gnu-gcc" CXX="/home/buildroot/autobuild/run/instance-1/output/host/bin/x86_64-amd-linux-gnu-g++" GOTOOLDIR="/home/buildroot/autobuild/run/instance-1/output/host/lib/go/pkg/tool/linux_amd64" PATH="/home/buildroot/autobuild/run/instance-1/output/host/bin:/home/buildroot/autobuild/run/instance-1/output/host/sbin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games:/snap/bin" GOBIN= CGO_ENABLED=1 GOPATH="/home/buildroot/autobuild/run/instance-1/output/build/flannel-v0.5.5/_gopath"  /home/buildroot/autobuild/run/instance-1/output/host/bin/go build -v -ldflags "-X github.com/coreos/flannel/version.Version=v0.5.5" -tags "" -o /home/buildroot/autobuild/run/instance-1/output/build/flannel-v0.5.5/bin/flannel ./.
runtime/cgo
github.com/coreos/flannel/Godeps/_workspace/src/golang.org/x/net/context
github.com/coreos/flannel/Godeps/_workspace/src/github.com/coreos/go-iptables/iptables
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/awserr
github.com/coreos/flannel/Godeps/_workspace/src/github.com/vaughan0/go-ini
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/awsutil
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/credentials
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/internal/endpoints
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/internal/protocol/query/queryutil
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/internal/protocol/xml/xmlutil
github.com/coreos/flannel/Godeps/_workspace/src/code.google.com/p/google-api-go-client/googleapi/internal/uritemplates
os/user
net
github.com/coreos/flannel/Godeps/_workspace/src/github.com/golang/glog
github.com/coreos/flannel/Godeps/_workspace/src/github.com/coreos/go-systemd/daemon
github.com/coreos/flannel/Godeps/_workspace/src/github.com/vishvananda/netlink/nl
github.com/coreos/flannel/Godeps/_workspace/src/github.com/coreos/etcd/pkg/types
github.com/coreos/flannel/Godeps/_workspace/src/github.com/coreos/pkg/flagutil
crypto/x509
github.com/coreos/flannel/Godeps/_workspace/src/github.com/vishvananda/netlink
net/textproto
vendor/golang_org/x/net/http/httpproxy
github.com/coreos/flannel/Godeps/_workspace/src/github.com/coreos/go-systemd/activation
vendor/golang_org/x/net/http/httpguts
crypto/tls
github.com/coreos/flannel/pkg/ip
github.com/coreos/flannel/backend
net/http/httptrace
net/http
github.com/coreos/flannel/Godeps/_workspace/src/github.com/coreos/etcd/client
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws
github.com/coreos/flannel/Godeps/_workspace/src/github.com/coreos/etcd/pkg/transport
net/http/httputil
github.com/coreos/flannel/Godeps/_workspace/src/code.google.com/p/goauth2/oauth
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/service/serviceinfo
github.com/coreos/flannel/subnet
github.com/coreos/flannel/Godeps/_workspace/src/code.google.com/p/google-api-go-client/googleapi
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/request
github.com/coreos/flannel/Godeps/_workspace/src/code.google.com/p/google-api-go-client/compute/v1
github.com/coreos/flannel/Godeps/_workspace/src/code.google.com/p/goauth2/compute/serviceaccount
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/corehandlers
github.com/coreos/flannel/backend/alloc
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/internal/protocol/ec2query
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/internal/protocol/rest
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/service
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/ec2metadata
github.com/coreos/flannel/backend/hostgw
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/internal/signer/v4
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/credentials/ec2rolecreds
github.com/coreos/flannel/backend/udp
github.com/coreos/flannel/backend/gce
github.com/coreos/flannel/backend/vxlan
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/aws/defaults
github.com/coreos/flannel/Godeps/_workspace/src/github.com/gorilla/context
github.com/coreos/flannel/Godeps/_workspace/src/github.com/aws/aws-sdk-go/service/ec2
github.com/coreos/flannel/Godeps/_workspace/src/github.com/gorilla/mux
github.com/coreos/flannel/remote
github.com/coreos/flannel/backend/awsvpc
github.com/coreos/flannel/network
github.com/coreos/flannel
# github.com/coreos/flannel
/home/buildroot/autobuild/run/instance-1/output/host/lib/go/pkg/tool/linux_amd64/link: running /home/buildroot/autobuild/run/instance-1/output/host/bin/x86_64-amd-linux-gnu-gcc failed: exit status 1
/tmp/go-build269830241/b001/exe/a.out: final close failed: Invalid operation
collect2: error: ld returned 1 exit status

package/pkg-generic.mk:229: recipe for target '/home/buildroot/autobuild/run/instance-1/output/build/flannel-v0.5.5/.stamp_built' failed
make: *** [/home/buildroot/autobuild/run/instance-1/output/build/flannel-v0.5.5/.stamp_built] Error 2
make: Leaving directory '/home/buildroot/autobuild/run/instance-1/buildroot'