rustc: /usr/lib/libm.so.6: version GLIBC_2.27' not found (required by /usr/lib/x86_64-linux-gnu/librustc_driver-77b5a7345ef49dcd.so) error: could not compilelibc`.
Please make an effort to include more details about the error log, your operating system, version of rust, etc. It is completely unclear what you did, we cannot reproduce any problem from the above.
rustc: /usr/lib/libm.so.6: version
GLIBC_2.27' not found (required by /usr/lib/x86_64-linux-gnu/librustc_driver-77b5a7345ef49dcd.so) error: could not compile
libc`.