Out of Memory error when building orjson wheel for armv7 Docker on Ubuntu64

[magicse]

I'm trying to compile Docker image on Ubuntu64 for Home Assistant, but it always fails with an Out of Memory error when it tries to build the armv7 version.

#0 24.80   Downloading orjson-3.8.6.tar.gz (655 kB)                                                                                                                                    
#0 25.86      ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 655.1/655.1 kB 902.5 kB/s eta 0:00:00                                                                                              
#0 29.00   Installing build dependencies: started                                                                                                                                      
#0 73.69   Installing build dependencies: finished with status 'done'
#0 73.81   Getting requirements to build wheel: started
#0 76.44   Getting requirements to build wheel: finished with status 'done'
#0 76.50   Preparing metadata (pyproject.toml): started
#0 596.0   Preparing metadata (pyproject.toml): still running...
#0 1078.8   Preparing metadata (pyproject.toml): still running...
#0 1527.7   Preparing metadata (pyproject.toml): still running...
#0 1528.0   Preparing metadata (pyproject.toml): finished with status 'error'
#0 1528.3   error: subprocess-exited-with-error
#0 1528.3   
#0 1528.3   × Preparing metadata (pyproject.toml) did not run successfully.
#0 1528.3   │ exit code: 1
#0 1528.3   ╰─> [16 lines of output]
#0 1528.3           Updating crates.io index
#0 1528.3       warning: spurious network error (2 tries remaining): failed to mmap. Could not write data: Out of memory; class=Os (2)
#0 1528.3       warning: spurious network error (1 tries remaining): failed to mmap. Could not write data: Out of memory; class=Os (2)
#0 1528.3       error: failed to get `ahash` as a dependency of package `orjson v3.8.6 (/tmp/pip-install-d1umdm0e/orjson)`
#0 1528.3       
#0 1528.3       Caused by:
#0 1528.3         failed to fetch `https://github.com/rust-lang/crates.io-index`
#0 1528.3       
#0 1528.3       Caused by:
#0 1528.3         failed to mmap. Could not write data: Out of memory; class=Os (2)
#0 1528.3       💥 maturin failed
#0 1528.3         Caused by: Cargo metadata failed. Does your crate compile with `cargo build`?
#0 1528.3         Caused by: `cargo metadata` exited with an error:
#0 1528.3       Error running maturin: Command '['maturin', 'pep517', 'write-dist-info', '--metadata-directory', '/tmp/pip-modern-metadata-6jp59nkn', '--interpreter', '/usr/bin/python3']' returned non-zero exit status 1.
#0 1528.3       Checking for Rust toolchain....
#0 1528.3       Running `maturin pep517 write-dist-info --metadata-directory /tmp/pip-modern-metadata-6jp59nkn --interpreter /usr/bin/python3`
#0 1528.3       [end of output]
#0 1528.3   
#0 1528.3   note: This error originates from a subprocess, and is likely not a problem with pip.
#0 1528.4 error: metadata-generation-failed
#0 1528.4 
#0 1528.4 × Encountered error while generating package metadata.
#0 1528.4 ╰─> orjson
#0 1528.4 
#0 1528.4 note: This is an issue with the package mentioned above, not pip.
#0 1528.4 hint: See above for details.

[magicse]

rust-lang/cargo#2808