Option::unwrap() in src/auditwheel/audit.rs:284 due to maturin publish

[andreafioraldi]

Bug Description

Hi,
I'm trying to publish my crate from Ubuntu 20.04 so I choose to target the manylinux_2_31_x86_64 platform.
Doing maturin publish --compatibility manylinux_2_31_x86_64 maturin panics on src/auditwheel/audit.rs:284.

The report is:

name = 'maturin'
operating_system = 'unix:Ubuntu'
crate_version = '0.12.4'
explanation = '''
Panic occurred in file 'src/auditwheel/audit.rs' at line 284
'''
cause = 'called `Option::unwrap()` on a `None` value'
method = 'Panic'
backtrace = '''

   0: 0x7ffff707260d - core::panicking::panic::he7efc04572bf92e9
                at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/core/src/panicking.rs:50
   1: 0x7ffff72223c4 - maturin::auditwheel::audit::auditwheel_rs::hcb80b09017ce3bb6
   2: 0x7ffff717a930 - maturin::build_context::BuildContext::auditwheel::h2c132b4339ba39b5
   3: 0x7ffff717b50c - maturin::build_context::BuildContext::build_binding_wheels::h3e46d0d423842f2b
   4: 0x7ffff717a0a0 - maturin::build_context::BuildContext::build_wheels::h12a4f5f720f32891
   5: 0x7ffff70f2070 - maturin::run::h2982cc821dc0d748
   6: 0x7ffff70f52e5 - maturin::main::h7a95056e5be13f8f
   7: 0x7ffff70d63e3 - std::sys_common::backtrace::__rust_begin_short_backtrace::h6fe87ad523208d48
   8: 0x7ffff70eae69 - std::rt::lang_start::{{closure}}::h03f2095f796bbe4e
   9: 0x7ffff7b5ef31 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h37d528e2b7386a19
                at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/core/src/ops/function.rs:259
                 - std::panicking::try::do_call::h21f3d980e271aebe
                at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/std/src/panicking.rs:403
                 - std::panicking::try::h6366c75894a5ee3f
                at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/std/src/panicking.rs:367
                 - std::panic::catch_unwind::hbab33c6a69c714f4
                at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/std/src/panic.rs:133
                 - std::rt::lang_start_internal::{{closure}}::h4a2c188522fb7f4a
                at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/std/src/rt.rs:128
                 - std::panicking::try::do_call::h9b4b672a4b3537ad
                at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/std/src/panicking.rs:403
                 - std::panicking::try::h9c95acfa69428cd5
                at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/std/src/panicking.rs:367
                 - std::panic::catch_unwind::h137c802160173f20
                at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/std/src/panic.rs:133
                 - std::rt::lang_start_internal::h89221b25a17002da
                at /rustc/f1edd0429582dd29cccacaf50fd134b05593bd9c/library/std/src/rt.rs:128
  10: 0x7ffff70f8662 - main'''

The maturin version is the last from PyPI, 0.12.4

Your Python version (python -V)

3.8.10

Your pip version (pip -V)

20.0.2

What bindings you're using

pyo3

Does cargo build work?

• Yes, it works

If on windows, have you checked that you aren't accidentally using unix path (those with the forward slash /)?

• Yes

Steps to Reproduce

maturin publish --compatibility manylinux_2_31_x86_64

[messense]

Thanks for the report. There isn't a manylinux_2_31 auditwheel policy yet, but I agree this shouldn't panic.

[messense]

For now you need to pass --skip-auditwheel to build a manylinux_2_31 wheel, we will add support for it when upstream auditwheel project defines the policy.

#740 will make it an error:

💥 maturin failed
  Caused by: Error ensuring manylinux_2_31 compliance
  Caused by: manylinux_2_31 compatibility policy is not defined by auditwheel yet, pass `--skip-auditwheel` to proceed anyway

[messense]

FYI, manylinux_2_31 support added in #755