travis, Dockerfile, appveyor: bump to Go 1.13

.travis.yml

@@ -18,7 +18,7 @@ jobs:
     - stage: build
       os: linux
       dist: xenial
-      go: 1.10.x
+      go: 1.11.x
       script:
         - go run build/ci.go install
         - go run build/ci.go test -coverage $TEST_PACKAGES
@@ -26,7 +26,7 @@ jobs:
     - stage: build
       os: linux
       dist: xenial
-      go: 1.11.x
+      go: 1.12.x
       script:
         - go run build/ci.go install
         - go run build/ci.go test -coverage $TEST_PACKAGES
@@ -35,14 +35,14 @@ jobs:
     - stage: build
       os: linux
       dist: xenial
-      go: 1.12.x
+      go: 1.13.x
       script:
         - go run build/ci.go install
         - go run build/ci.go test -coverage $TEST_PACKAGES
 
     - stage: build
       os: osx
-      go: 1.12.x
+      go: 1.13.x
       script:
         - echo "Increase the maximum number of open file descriptors on macOS"
         - NOFILE=20480
@@ -61,7 +61,7 @@ jobs:
       if: type = push
       os: linux
       dist: xenial
-      go: 1.12.x
+      go: 1.13.x
       env:
         - ubuntu-ppa
       git:
@@ -85,7 +85,7 @@ jobs:
       os: linux
       dist: xenial
       sudo: required
-      go: 1.12.x
+      go: 1.13.x
       env:
         - azure-linux
       git:
@@ -121,7 +121,7 @@ jobs:
       dist: xenial
       services:
         - docker
-      go: 1.12.x
+      go: 1.13.x
       env:
         - azure-linux-mips
       git:
@@ -167,7 +167,7 @@ jobs:
       git:
         submodules: false # avoid cloning ethereum/tests
       before_install:
-        - curl https://dl.google.com/go/go1.12.linux-amd64.tar.gz | tar -xz
+        - curl https://dl.google.com/go/go1.13.linux-amd64.tar.gz | tar -xz
         - export PATH=`pwd`/go/bin:$PATH
         - export GOROOT=`pwd`/go
         - export GOPATH=$HOME/go
@@ -185,7 +185,7 @@ jobs:
     - stage: build
       if: type = push
       os: osx
-      go: 1.12.x
+      go: 1.13.x
       env:
         - azure-osx
         - azure-ios
@@ -216,7 +216,7 @@ jobs:
       if: type = cron
       os: linux
       dist: xenial
-      go: 1.12.x
+      go: 1.13.x
       env:
         - azure-purge
       git:

Dockerfile

@@ -1,5 +1,5 @@
 # Build Geth in a stock Go builder container
-FROM golang:1.12-alpine as builder
+FROM golang:1.13-alpine as builder
 
 RUN apk add --no-cache make gcc musl-dev linux-headers git
 

Dockerfile.alltools

@@ -1,5 +1,5 @@
 # Build Geth in a stock Go builder container
-FROM golang:1.12-alpine as builder
+FROM golang:1.13-alpine as builder
 
 RUN apk add --no-cache make gcc musl-dev linux-headers git
 

appveyor.yml

@@ -23,8 +23,8 @@ environment:
 install:
   - git submodule update --init
   - rmdir C:\go /s /q
-  - appveyor DownloadFile https://dl.google.com/go/go1.12.9.windows-%GETH_ARCH%.zip
-  - 7z x go1.12.9.windows-%GETH_ARCH%.zip -y -oC:\ > NUL
+  - appveyor DownloadFile https://dl.google.com/go/go1.13.windows-%GETH_ARCH%.zip
+  - 7z x go1.13.windows-%GETH_ARCH%.zip -y -oC:\ > NUL
   - go version
   - gcc --version