Disable unnecessary architectures in the CI because they tend to randomly fail

Author: msuchane

.travis.yml

@@ -38,18 +38,18 @@ matrix:
 
                 # Linux
                 - env: TARGET=aarch64-unknown-linux-gnu
-                - env: TARGET=arm-unknown-linux-gnueabi
-                - env: TARGET=armv7-unknown-linux-gnueabihf
-                - env: TARGET=i686-unknown-linux-gnu
+                # - env: TARGET=arm-unknown-linux-gnueabi
+                # - env: TARGET=armv7-unknown-linux-gnueabihf
+                # - env: TARGET=i686-unknown-linux-gnu
                 # - env: TARGET=i686-unknown-linux-musl
-                - env: TARGET=mips-unknown-linux-gnu
-                - env: TARGET=mips64-unknown-linux-gnuabi64
-                - env: TARGET=mips64el-unknown-linux-gnuabi64
-                - env: TARGET=mipsel-unknown-linux-gnu
-                - env: TARGET=powerpc-unknown-linux-gnu
+                # - env: TARGET=mips-unknown-linux-gnu
+                # - env: TARGET=mips64-unknown-linux-gnuabi64
+                # - env: TARGET=mips64el-unknown-linux-gnuabi64
+                # - env: TARGET=mipsel-unknown-linux-gnu
+                # - env: TARGET=powerpc-unknown-linux-gnu
                 # - env: TARGET=powerpc64-unknown-linux-gnu
-                - env: TARGET=powerpc64le-unknown-linux-gnu
-                - env: TARGET=s390x-unknown-linux-gnu DISABLE_TESTS=1
+                # - env: TARGET=powerpc64le-unknown-linux-gnu
+                # - env: TARGET=s390x-unknown-linux-gnu DISABLE_TESTS=1
                 - env: TARGET=x86_64-unknown-linux-gnu
                 # - env: TARGET=x86_64-unknown-linux-musl
 
@@ -63,7 +63,7 @@ matrix:
                 # The FreeBSD build is failing. I'm disabling it for now.
                 # - env: TARGET=i686-unknown-freebsd DISABLE_TESTS=1
                 # - env: TARGET=x86_64-unknown-freebsd DISABLE_TESTS=1
-                - env: TARGET=x86_64-unknown-netbsd DISABLE_TESTS=1
+                # - env: TARGET=x86_64-unknown-netbsd DISABLE_TESTS=1
 
                 # Windows
                 - env: TARGET=x86_64-pc-windows-gnu