sed: no input files

[nikisalli]

when i run grep -Rl 'lib64' | xargs sed -i 's/lib64/lib/g' it returns sed: no input files

raspbian stretch

• Raspberry Pi model: raspberry pi 3b+
• Operating System used: raspbian stretch
• Version of Python used: 3.5.2
• SD card memory size: 16Gb
• Size of USB/other device used as swap (if building from source): 4Gb

if i skip the step and directly run ./configure it says:
You have bazel 0.4.5- (@non-git) installed.
Please upgrade your bazel installation to version 0.10.0 or higher to build TensorFlow!
Configuration finished