unix/linux: update Dockerfile to Go 1.16beta1

Change-Id: Iee6d0bdbbb4f36adb8e963e482c0d62c7a3fb147
Reviewed-on: https://go-review.googlesource.com/c/sys/+/279113
Trust: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Matt Layher <mdlayher@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>

unix/linux/Dockerfile

@@ -21,9 +21,9 @@ RUN git clone --branch v5.10 --depth 1 https://kernel.googlesource.com/pub/scm/l
 RUN git clone --branch release/2.32/master --depth 1 git://sourceware.org/git/glibc.git
 
 # Get Go
-ENV GOLANG_VERSION 1.15.6
+ENV GOLANG_VERSION 1.16beta1
 ENV GOLANG_DOWNLOAD_URL https://golang.org/dl/go$GOLANG_VERSION.linux-amd64.tar.gz
-ENV GOLANG_DOWNLOAD_SHA256 3918e6cc85e7eaaa6f859f1bdbaac772e7a825b0eb423c63d3ae68b21f84b844
+ENV GOLANG_DOWNLOAD_SHA256 3931a0d493d411d6c697df6f15d5292fdd8031fde7014fded399effdad4c12d8
 
 RUN curl -fsSL "$GOLANG_DOWNLOAD_URL" -o golang.tar.gz \
     && echo "$GOLANG_DOWNLOAD_SHA256  golang.tar.gz" | sha256sum -c - \

unix/zerrors_linux_386.go

@@ -4,7 +4,7 @@
 // +build 386,linux
 
 // Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs -- -Wall -Werror -static -I/tmp/include -m32 _const.go
+// cgo -godefs -- -Wall -Werror -static -I/tmp/include -m32 /build/_const.go
 
 package unix
 

unix/zerrors_linux_amd64.go

@@ -4,7 +4,7 @@
 // +build amd64,linux
 
 // Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs -- -Wall -Werror -static -I/tmp/include -m64 _const.go
+// cgo -godefs -- -Wall -Werror -static -I/tmp/include -m64 /build/_const.go
 
 package unix
 

unix/zerrors_linux_arm.go

@@ -4,7 +4,7 @@
 // +build arm,linux
 
 // Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs -- -Wall -Werror -static -I/tmp/include _const.go
+// cgo -godefs -- -Wall -Werror -static -I/tmp/include /build/_const.go
 
 package unix
 

unix/zerrors_linux_arm64.go

@@ -4,7 +4,7 @@
 // +build arm64,linux
 
 // Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs -- -Wall -Werror -static -I/tmp/include -fsigned-char _const.go
+// cgo -godefs -- -Wall -Werror -static -I/tmp/include -fsigned-char /build/_const.go
 
 package unix
 

unix/zerrors_linux_mips.go

@@ -4,7 +4,7 @@
 // +build mips,linux
 
 // Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs -- -Wall -Werror -static -I/tmp/include _const.go
+// cgo -godefs -- -Wall -Werror -static -I/tmp/include /build/_const.go
 
 package unix
 

unix/zerrors_linux_mips64.go

@@ -4,7 +4,7 @@
 // +build mips64,linux
 
 // Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs -- -Wall -Werror -static -I/tmp/include _const.go
+// cgo -godefs -- -Wall -Werror -static -I/tmp/include /build/_const.go
 
 package unix
 

unix/zerrors_linux_mips64le.go

@@ -4,7 +4,7 @@
 // +build mips64le,linux
 
 // Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs -- -Wall -Werror -static -I/tmp/include _const.go
+// cgo -godefs -- -Wall -Werror -static -I/tmp/include /build/_const.go
 
 package unix
 

unix/zerrors_linux_mipsle.go

@@ -4,7 +4,7 @@
 // +build mipsle,linux
 
 // Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs -- -Wall -Werror -static -I/tmp/include _const.go
+// cgo -godefs -- -Wall -Werror -static -I/tmp/include /build/_const.go
 
 package unix
 

unix/zerrors_linux_ppc64.go

@@ -4,7 +4,7 @@
 // +build ppc64,linux
 
 // Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs -- -Wall -Werror -static -I/tmp/include _const.go
+// cgo -godefs -- -Wall -Werror -static -I/tmp/include /build/_const.go
 
 package unix
 

unix/zerrors_linux_ppc64le.go

@@ -4,7 +4,7 @@
 // +build ppc64le,linux
 
 // Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs -- -Wall -Werror -static -I/tmp/include _const.go
+// cgo -godefs -- -Wall -Werror -static -I/tmp/include /build/_const.go
 
 package unix
 

unix/zerrors_linux_riscv64.go

@@ -4,7 +4,7 @@
 // +build riscv64,linux
 
 // Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs -- -Wall -Werror -static -I/tmp/include _const.go
+// cgo -godefs -- -Wall -Werror -static -I/tmp/include /build/_const.go
 
 package unix
 

unix/zerrors_linux_s390x.go

@@ -4,7 +4,7 @@
 // +build s390x,linux
 
 // Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs -- -Wall -Werror -static -I/tmp/include -fsigned-char _const.go
+// cgo -godefs -- -Wall -Werror -static -I/tmp/include -fsigned-char /build/_const.go
 
 package unix
 

unix/zerrors_linux_sparc64.go

@@ -4,7 +4,7 @@
 // +build sparc64,linux
 
 // Code generated by cmd/cgo -godefs; DO NOT EDIT.
-// cgo -godefs -- -Wall -Werror -static -I/tmp/include _const.go
+// cgo -godefs -- -Wall -Werror -static -I/tmp/include /build/_const.go
 
 package unix
 

unix/ztypes_linux_386.go

@@ -1,4 +1,4 @@
-// cgo -godefs -- -Wall -Werror -static -I/tmp/include -m32 linux/types.go | go run mkpost.go
+// cgo -godefs -- -Wall -Werror -static -I/tmp/include -m32 /build/linux/types.go | go run mkpost.go
 // Code generated by the command above; see README.md. DO NOT EDIT.
 
 // +build 386,linux

unix/ztypes_linux_amd64.go

@@ -1,4 +1,4 @@
-// cgo -godefs -- -Wall -Werror -static -I/tmp/include -m64 linux/types.go | go run mkpost.go
+// cgo -godefs -- -Wall -Werror -static -I/tmp/include -m64 /build/linux/types.go | go run mkpost.go
 // Code generated by the command above; see README.md. DO NOT EDIT.
 
 // +build amd64,linux

unix/ztypes_linux_arm.go

@@ -1,4 +1,4 @@
-// cgo -godefs -- -Wall -Werror -static -I/tmp/include linux/types.go | go run mkpost.go
+// cgo -godefs -- -Wall -Werror -static -I/tmp/include /build/linux/types.go | go run mkpost.go
 // Code generated by the command above; see README.md. DO NOT EDIT.
 
 // +build arm,linux

unix/ztypes_linux_arm64.go

@@ -1,4 +1,4 @@
-// cgo -godefs -- -Wall -Werror -static -I/tmp/include -fsigned-char linux/types.go | go run mkpost.go
+// cgo -godefs -- -Wall -Werror -static -I/tmp/include -fsigned-char /build/linux/types.go | go run mkpost.go
 // Code generated by the command above; see README.md. DO NOT EDIT.
 
 // +build arm64,linux

unix/ztypes_linux_mips.go

@@ -1,4 +1,4 @@
-// cgo -godefs -- -Wall -Werror -static -I/tmp/include linux/types.go | go run mkpost.go
+// cgo -godefs -- -Wall -Werror -static -I/tmp/include /build/linux/types.go | go run mkpost.go
 // Code generated by the command above; see README.md. DO NOT EDIT.
 
 // +build mips,linux

unix/ztypes_linux_mips64.go

@@ -1,4 +1,4 @@
-// cgo -godefs -- -Wall -Werror -static -I/tmp/include linux/types.go | go run mkpost.go
+// cgo -godefs -- -Wall -Werror -static -I/tmp/include /build/linux/types.go | go run mkpost.go
 // Code generated by the command above; see README.md. DO NOT EDIT.
 
 // +build mips64,linux

unix/ztypes_linux_mips64le.go

@@ -1,4 +1,4 @@
-// cgo -godefs -- -Wall -Werror -static -I/tmp/include linux/types.go | go run mkpost.go
+// cgo -godefs -- -Wall -Werror -static -I/tmp/include /build/linux/types.go | go run mkpost.go
 // Code generated by the command above; see README.md. DO NOT EDIT.
 
 // +build mips64le,linux

unix/ztypes_linux_mipsle.go

@@ -1,4 +1,4 @@
-// cgo -godefs -- -Wall -Werror -static -I/tmp/include linux/types.go | go run mkpost.go
+// cgo -godefs -- -Wall -Werror -static -I/tmp/include /build/linux/types.go | go run mkpost.go
 // Code generated by the command above; see README.md. DO NOT EDIT.
 
 // +build mipsle,linux

unix/ztypes_linux_ppc64.go

@@ -1,4 +1,4 @@
-// cgo -godefs -- -Wall -Werror -static -I/tmp/include linux/types.go | go run mkpost.go
+// cgo -godefs -- -Wall -Werror -static -I/tmp/include /build/linux/types.go | go run mkpost.go
 // Code generated by the command above; see README.md. DO NOT EDIT.
 
 // +build ppc64,linux

unix/ztypes_linux_ppc64le.go

@@ -1,4 +1,4 @@
-// cgo -godefs -- -Wall -Werror -static -I/tmp/include linux/types.go | go run mkpost.go
+// cgo -godefs -- -Wall -Werror -static -I/tmp/include /build/linux/types.go | go run mkpost.go
 // Code generated by the command above; see README.md. DO NOT EDIT.
 
 // +build ppc64le,linux

unix/ztypes_linux_riscv64.go

@@ -1,4 +1,4 @@
-// cgo -godefs -- -Wall -Werror -static -I/tmp/include linux/types.go | go run mkpost.go
+// cgo -godefs -- -Wall -Werror -static -I/tmp/include /build/linux/types.go | go run mkpost.go
 // Code generated by the command above; see README.md. DO NOT EDIT.
 
 // +build riscv64,linux

unix/ztypes_linux_s390x.go

@@ -1,4 +1,4 @@
-// cgo -godefs -- -Wall -Werror -static -I/tmp/include -fsigned-char linux/types.go | go run mkpost.go
+// cgo -godefs -- -Wall -Werror -static -I/tmp/include -fsigned-char /build/linux/types.go | go run mkpost.go
 // Code generated by the command above; see README.md. DO NOT EDIT.
 
 // +build s390x,linux

unix/ztypes_linux_sparc64.go

@@ -1,4 +1,4 @@
-// cgo -godefs -- -Wall -Werror -static -I/tmp/include linux/types.go | go run mkpost.go
+// cgo -godefs -- -Wall -Werror -static -I/tmp/include /build/linux/types.go | go run mkpost.go
 // Code generated by the command above; see README.md. DO NOT EDIT.
 
 // +build sparc64,linux