Snap not building on platforms without a cryptography wheel

[lengau]

Bug Description

The core22 snap isn't building on architectures that don't have a cryptography wheel

To Reproduce

Build the snap on armhf or something :-)

Environment

CI
https://launchpadlibrarian.net/695323802/buildlog_snap_ubuntu_jammy_ppc64el_charmcraft-edge_BUILDING.txt.gz
https://launchpadlibrarian.net/695324170/buildlog_snap_ubuntu_jammy_armhf_charmcraft-edge_BUILDING.txt.gz
https://launchpadlibrarian.net/695323868/buildlog_snap_ubuntu_jammy_s390x_charmcraft-edge_BUILDING.txt.gz

charmcraft.yaml

N/A

Relevant log output

::            Running `/tmp/pip-install-50bahshq/cryptography_46abaca5ca52471393e375cff8ae3c61/src/rust/target/release/build/cryptography-cffi-c7c4f1b7fb7b6d4d/build-script-build`
::            Running `rustc --crate-name pyo3 --edition=2018 /root/.cargo/registry/src/github.com-eae4ba8cbf2ce1c7/pyo3-0.18.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no -C overflow-checks=on --cfg 'feature="abi3"' --cfg 'feature="abi3-py310"' --cfg 'feature="abi3-py311"' --cfg 'feature="abi3-py37"' --cfg 'feature="abi3-py38"' --cfg 'feature="abi3-py39"' --cfg 'feature="default"' --cfg 'feature="extension-module"' --cfg 'feature="indoc"' --cfg 'feature="macros"' --cfg 'feature="pyo3-macros"' --cfg 'feature="unindent"' -C metadata=16e2c7395fc5b7bc -C extra-filename=-16e2c7395fc5b7bc --out-dir /tmp/pip-install-50bahshq/cryptography_46abaca5ca52471393e375cff8ae3c61/src/rust/target/release/deps -L dependency=/tmp/pip-install-50bahshq/cryptography_46abaca5ca52471393e375cff8ae3c61/src/rust/target/release/deps --extern cfg_if=/tmp/pip-install-50bahshq/cryptography_46abaca5ca52471393e375cff8ae3c61/src/rust/target/release/deps/libcfg_if-be72b868a3c3d5a7.rmeta --extern indoc=/tmp/pip-install-50bahshq/cryptography_46abaca5ca52471393e375cff8ae3c61/src/rust/target/release/deps/libindoc-80a5072bc114f06b.so --extern libc=/tmp/pip-install-50bahshq/cryptography_46abaca5ca52471393e375cff8ae3c61/src/rust/target/release/deps/liblibc-5b17f39703aaded0.rmeta --extern memoffset=/tmp/pip-install-50bahshq/cryptography_46abaca5ca52471393e375cff8ae3c61/src/rust/target/release/deps/libmemoffset-db9f0c4241d84ad0.rmeta --extern parking_lot=/tmp/pip-install-50bahshq/cryptography_46abaca5ca52471393e375cff8ae3c61/src/rust/target/release/deps/libparking_lot-ca5234cd28fd1e3c.rmeta --extern pyo3_ffi=/tmp/pip-install-50bahshq/cryptography_46abaca5ca52471393e375cff8ae3c61/src/rust/target/release/deps/libpyo3_ffi-030569d1c0f4330f.rmeta --extern pyo3_macros=/tmp/pip-install-50bahshq/cryptography_46abaca5ca52471393e375cff8ae3c61/src/rust/target/release/deps/libpyo3_macros-e15c269a5d312b8d.so --extern unindent=/tmp/pip-install-50bahshq/cryptography_46abaca5ca52471393e375cff8ae3c61/src/rust/target/release/deps/libunindent-4632c05659e18cb9.rmeta --cap-lints allow --cfg Py_3_6 --cfg Py_3_7 --cfg Py_LIMITED_API --cfg min_const_generics --cfg addr_of --cfg option_insert`
::       The following warnings were emitted during compilation:
::
::       warning: /tmp/pip-install-50bahshq/cryptography_46abaca5ca52471393e375cff8ae3c61/src/rust/target/release/build/cryptography-cffi-8c93290a3abf82cb/out/_openssl.c:57:10: fatal error: Python.h: No such file or directory
::       warning:    57 | #include <Python.h>
::       warning:       |          ^~~~~~~~~~
::       warning: compilation terminated.
::
::       error: failed to run custom build command for `cryptography-cffi v0.1.0 (/tmp/pip-install-50bahshq/cryptography_46abaca5ca52471393e375cff8ae3c61/src/rust/cryptography-cffi)`
::
::       Caused by:
::         process didn't exit successfully: `/tmp/pip-install-50bahshq/cryptography_46abaca5ca52471393e375cff8ae3c61/src/rust/target/release/build/cryptography-cffi-c7c4f1b7fb7b6d4d/build-script-build` (exit status: 1)
::         --- stdout
::         cargo:rerun-if-env-changed=PYO3_PYTHON
::         cargo:rerun-if-changed=../../_cffi_src/
::         cargo:rerun-if-changed=../../cryptography/__about__.py
::         cargo:rustc-cfg=python_implementation="CPython"
::         TARGET = Some("s390x-unknown-linux-gnu")
::         OPT_LEVEL = Some("3")
::         HOST = Some("s390x-unknown-linux-gnu")
::         cargo:rerun-if-env-changed=CC_s390x-unknown-linux-gnu
::         CC_s390x-unknown-linux-gnu = None
::         cargo:rerun-if-env-changed=CC_s390x_unknown_linux_gnu
::         CC_s390x_unknown_linux_gnu = None
::         cargo:rerun-if-env-changed=HOST_CC
::         HOST_CC = None
::         cargo:rerun-if-env-changed=CC
::         CC = None
::         cargo:rerun-if-env-changed=CFLAGS_s390x-unknown-linux-gnu
::         CFLAGS_s390x-unknown-linux-gnu = None
::         cargo:rerun-if-env-changed=CFLAGS_s390x_unknown_linux_gnu
::         CFLAGS_s390x_unknown_linux_gnu = None
::         cargo:rerun-if-env-changed=HOST_CFLAGS
::         HOST_CFLAGS = None
::         cargo:rerun-if-env-changed=CFLAGS
::         CFLAGS = None
::         cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS
::         CRATE_CC_NO_DEFAULTS = None
::         DEBUG = Some("false")
::         CARGO_CFG_TARGET_FEATURE = None
::         cargo:rerun-if-env-changed=CC_s390x-unknown-linux-gnu
::         CC_s390x-unknown-linux-gnu = None
::         cargo:rerun-if-env-changed=CC_s390x_unknown_linux_gnu
::         CC_s390x_unknown_linux_gnu = None
::         cargo:rerun-if-env-changed=HOST_CC
::         HOST_CC = None
::         cargo:rerun-if-env-changed=CC
::         CC = None
::         cargo:rerun-if-env-changed=CFLAGS_s390x-unknown-linux-gnu
::         CFLAGS_s390x-unknown-linux-gnu = None
::         cargo:rerun-if-env-changed=CFLAGS_s390x_unknown_linux_gnu
::         CFLAGS_s390x_unknown_linux_gnu = None
::         cargo:rerun-if-env-changed=HOST_CFLAGS
::         HOST_CFLAGS = None
::         cargo:rerun-if-env-changed=CFLAGS
::         CFLAGS = None
::         cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS
::         CRATE_CC_NO_DEFAULTS = None
::         CARGO_CFG_TARGET_FEATURE = None
::         cargo:rerun-if-env-changed=CC_s390x-unknown-linux-gnu
::         CC_s390x-unknown-linux-gnu = None
::         cargo:rerun-if-env-changed=CC_s390x_unknown_linux_gnu
::         CC_s390x_unknown_linux_gnu = None
::         cargo:rerun-if-env-changed=HOST_CC
::         HOST_CC = None
::         cargo:rerun-if-env-changed=CC
::         CC = None
::         cargo:rerun-if-env-changed=CFLAGS_s390x-unknown-linux-gnu
::         CFLAGS_s390x-unknown-linux-gnu = None
::         cargo:rerun-if-env-changed=CFLAGS_s390x_unknown_linux_gnu
::         CFLAGS_s390x_unknown_linux_gnu = None
::         cargo:rerun-if-env-changed=HOST_CFLAGS
::         HOST_CFLAGS = None
::         cargo:rerun-if-env-changed=CFLAGS
::         CFLAGS = None
::         cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS
::         CRATE_CC_NO_DEFAULTS = None
::         CARGO_CFG_TARGET_FEATURE = None
::         cargo:rerun-if-env-changed=CC_s390x-unknown-linux-gnu
::         CC_s390x-unknown-linux-gnu = None
::         cargo:rerun-if-env-changed=CC_s390x_unknown_linux_gnu
::         CC_s390x_unknown_linux_gnu = None
::         cargo:rerun-if-env-changed=HOST_CC
::         HOST_CC = None
::         cargo:rerun-if-env-changed=CC
::         CC = None
::         cargo:rerun-if-env-changed=CFLAGS_s390x-unknown-linux-gnu
::         CFLAGS_s390x-unknown-linux-gnu = None
::         cargo:rerun-if-env-changed=CFLAGS_s390x_unknown_linux_gnu
::         CFLAGS_s390x_unknown_linux_gnu = None
::         cargo:rerun-if-env-changed=HOST_CFLAGS
::         HOST_CFLAGS = None
::         cargo:rerun-if-env-changed=CFLAGS
::         CFLAGS = None
::         cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS
::         CRATE_CC_NO_DEFAULTS = None
::         CARGO_CFG_TARGET_FEATURE = None
::         running: "cc" "-O3" "-ffunction-sections" "-fdata-sections" "-fPIC" "-I" "/build/charmcraft/stage/usr/include/python3.10" "-I" "/usr/include" "-Wall" "-Wextra" "-Wconversion" "-Wno-error=sign-conversion" "-Wno-unused-parameter" "-DPy_LIMITED_API=0x030700f0" "-o" "/tmp/pip-install-50bahshq/cryptography_46abaca5ca52471393e375cff8ae3c61/src/rust/target/release/build/cryptography-cffi-8c93290a3abf82cb/out/a6bcb21c96c2f733-_openssl.o" "-c" "/tmp/pip-install-50bahshq/cryptography_46abaca5ca52471393e375cff8ae3c61/src/rust/target/release/build/cryptography-cffi-8c93290a3abf82cb/out/_openssl.c"
::         cargo:warning=/tmp/pip-install-50bahshq/cryptography_46abaca5ca52471393e375cff8ae3c61/src/rust/target/release/build/cryptography-cffi-8c93290a3abf82cb/out/_openssl.c:57:10: fatal error: Python.h: No such file or directory
::         cargo:warning=   57 | #include <Python.h>
::         cargo:warning=      |          ^~~~~~~~~~
::         cargo:warning=compilation terminated.
::         exit status: 1
::
::         --- stderr
::
::
::         error occurred: Command "cc" "-O3" "-ffunction-sections" "-fdata-sections" "-fPIC" "-I" "/build/charmcraft/stage/usr/include/python3.10" "-I" "/usr/include" "-Wall" "-Wextra" "-Wconversion" "-Wno-error=sign-conversion" "-Wno-unused-parameter" "-DPy_LIMITED_API=0x030700f0" "-o" "/tmp/pip-install-50bahshq/cryptography_46abaca5ca52471393e375cff8ae3c61/src/rust/target/release/build/cryptography-cffi-8c93290a3abf82cb/out/a6bcb21c96c2f733-_openssl.o" "-c" "/tmp/pip-install-50bahshq/cryptography_46abaca5ca52471393e375cff8ae3c61/src/rust/target/release/build/cryptography-cffi-8c93290a3abf82cb/out/_openssl.c" with args "cc" did not execute successfully (status code exit status: 1).
::
::
::       warning: build failed, waiting for other jobs to finish...
::
::           =============================DEBUG ASSISTANCE=============================
::           If you are seeing a compilation error please try the following steps to
::           successfully install cryptography:
::           1) Upgrade to the latest pip and try again. This will fix errors for most
::              users. See: https://pip.pypa.io/en/stable/installing/#upgrading-pip
::           2) Read https://cryptography.io/en/latest/installation/ for specific
::              instructions for your platform.
::           3) Check our frequently asked questions for more information:
::              https://cryptography.io/en/latest/faq/
::           4) Ensure you have a recent Rust toolchain installed:
::              https://cryptography.io/en/latest/installation/#rust
::
::           Python: 3.10.12
::           platform: Linux-5.4.0-164-generic-s390x-with-glibc2.35
::           pip: n/a
::           setuptools: 68.2.2
::           setuptools_rust: 1.8.1
::           rustc: 1.66.1 (90743e729 2023-01-10) (built from a source tarball)
::           =============================DEBUG ASSISTANCE=============================
::
::       error: `cargo rustc --lib --message-format=json-render-diagnostics --manifest-path src/rust/Cargo.toml --release -v --features pyo3/extension-module --crate-type cdylib --` failed with code 101
::       [end of output]
::
::   note: This error originates from a subprocess, and is likely not a problem with pip.
::   ERROR: Failed building wheel for cryptography