manylinux builds fail with version GCC_4.3.0\' not found`

[joar]

Example: https://travis-ci.com/joar/rust-csv-py/jobs/164057776

Excerpt:

  cargo rustc --lib --manifest-path Cargo.toml --features pyo3/python3 pyo3/extension-module --release --verbose -- --crate-type cdylib
  error: process didn't exit successfully: `rustc -vV` (exit code: 1)
  --- stdout
  rustc 1.32.0-nightly (4a45578bc 2018-12-07)
  binary: rustc
  commit-hash: 4a45578bc58ff262864f72680cc02e83f5d2f5b3
  commit-date: 2018-12-07
  host: x86_64-unknown-linux-gnu
  release: 1.32.0-nightly
  
  --- stderr
  error: couldn't load codegen backend "/root/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/codegen-backends/librustc_codegen_llvm-llvm.so": "/lib64/libgcc_s.so.1: version `GCC_4.3.0\' not found (required by /root/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/codegen-backends/librustc_codegen_llvm-llvm.so)"
  
  
  error: cargo failed with code: 101
  
  
  ----------------------------------------
  Failed building wheel for rustcsv
  Running setup.py clean for rustcsv
Failed to build rustcsv
ERROR: Failed to build one or more wheels
Makefile:132: recipe for target 'build-wheels-manylinux' failed
make: *** [build-wheels-manylinux] Error 1
The command "bash travis/deploy.sh" exited with 2.

[joar]

I believe the upstream issue is rust-lang/rust#56849