[Bug 2147337] [NEW] rpds-py: FTBFS in Resolute (riscv64)

[Graham Inggs]

Public bug reported:

rpds-py 0.27.1-2ubuntu1 FTBFS in Resolute:

https://people.canonical.com/~ginggs/ftbfs-report/test-
rebuild-20260320-resolute-resolute.html

error: failed to run custom build command for `target-lexicon v0.13.2`

Caused by:
  process didn't exit successfully: `/<<PKGBUILDDIR>>/target/release/build/target-lexicon-2c7af130b5c88fb6/build-script-build` (exit status: 101)
  --- stderr

  thread 'main' (12871) panicked at /<<PKGBUILDDIR>>/debian/../vendor/target-lexicon/build.rs:52:54:
  Invalid target name: 'riscv64a23-unknown-linux-gnu'
  note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
warning: build failed, waiting for other jobs to finish...
💥 maturin failed
  Caused by: Failed to build a native library through cargo
  Caused by: Cargo build finished with "exit status: 101": `env -u CARGO PYO3_BUILD_EXTENSION_MODULE="1" PYO3_ENVIRONMENT_SIGNATURE="cpython-3.14-64bit" PYO3_PYTHON="/usr/bin/python3.14" PYTHON_SYS_EXECUTABLE="/usr/bin/python3.14" "cargo" "rustc" "--features" "pyo3/extension-module" "--message-format" "json-render-diagnostics" "--manifest-path" "/<<PKGBUILDDIR>>/Cargo.toml" "--release" "--lib"`
Error: command ['maturin', 'pep517', 'build-wheel', '-i', '/usr/bin/python3.14', '--compatibility', 'off'] returned non-zero exit status 1

ERROR Backend subprocess exited when trying to invoke build_wheel

** Affects: rpds-py (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: ftbfs update-excuse

** Tags added: update-excuse

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https://bugs.launchpad.net/bugs/2147337

Title:
  rpds-py: FTBFS in Resolute (riscv64)

Status in rpds-py package in Ubuntu:
  New

Bug description:
  rpds-py 0.27.1-2ubuntu1 FTBFS in Resolute:

  https://people.canonical.com/~ginggs/ftbfs-report/test-
  rebuild-20260320-resolute-resolute.html

  error: failed to run custom build command for `target-lexicon v0.13.2`

  Caused by:
    process didn't exit successfully: `/<<PKGBUILDDIR>>/target/release/build/target-lexicon-2c7af130b5c88fb6/build-script-build` (exit status: 101)
    --- stderr

    thread 'main' (12871) panicked at /<<PKGBUILDDIR>>/debian/../vendor/target-lexicon/build.rs:52:54:
    Invalid target name: 'riscv64a23-unknown-linux-gnu'
    note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
  warning: build failed, waiting for other jobs to finish...
  💥 maturin failed
    Caused by: Failed to build a native library through cargo
    Caused by: Cargo build finished with "exit status: 101": `env -u CARGO PYO3_BUILD_EXTENSION_MODULE="1" PYO3_ENVIRONMENT_SIGNATURE="cpython-3.14-64bit" PYO3_PYTHON="/usr/bin/python3.14" PYTHON_SYS_EXECUTABLE="/usr/bin/python3.14" "cargo" "rustc" "--features" "pyo3/extension-module" "--message-format" "json-render-diagnostics" "--manifest-path" "/<<PKGBUILDDIR>>/Cargo.toml" "--release" "--lib"`
  Error: command ['maturin', 'pep517', 'build-wheel', '-i', '/usr/bin/python3.14', '--compatibility', 'off'] returned non-zero exit status 1

  ERROR Backend subprocess exited when trying to invoke build_wheel

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