Job site on ubuntu-latest
Checking out challenges/string-solutions at 107bcdd2
Container started from catthehacker/ubuntu:act-latest
▸ Post actions/setup-python@v5
OCI runtime exec failed: exec failed: unable to start container process: exec: "node": executable file not found in $PATH: unknown
The post step completed with exit code 127.
Cleaning up the job container

▸ actions/checkout@v4
Using mochi's built-in checkout (actions/checkout@v4)
challenges/string-solutions is already checked out at 107bcdd2 (mochi checks out before the job starts)

▸ Get the challenge repository (specifications and tools)
Cloning into 'challenge-repo'...

▸ actions/setup-python@v5
Using cached actions/setup-python@v5 (a26af69be951)
▾ Installed versions
Version 3.12 was not found in the local cache
(node:35) [DEP0040] DeprecationWarning: The `punycode` module is deprecated. Please use a userland alternative instead.
(Use `node --trace-deprecation ...` to show where the warning was created)
Version 3.12 is available for downloading
Download from "https://github.com/actions/python-versions/releases/download/3.12.14-31661455385/python-3.12.14-linux-24.04-x64.tar.gz"
Extract downloaded archive
[command]/usr/bin/tar xz --warning=no-unknown-keyword --overwrite -C /mochi/temp/051dfef3-8bb8-4f96-9f9f-f1a33b7c1686 -f /mochi/temp/ae98c0c0-f2de-4bf6-9bdf-065b293939c0
Execute installation script
Check if Python hostedtoolcache folder exist...
Creating Python hostedtoolcache folder...
Create Python 3.12.14 folder
Copy Python binaries to hostedtoolcache folder
Create additional symlinks (Required for the UsePythonVersion Azure Pipelines task and the setup-python GitHub Action)
Upgrading pip...
Collecting pip
Downloading pip-26.2.1-py3-none-any.whl.metadata (4.6 kB)
Downloading pip-26.2.1-py3-none-any.whl (1.8 MB)
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 1.8/1.8 MB 10.0 MB/s eta 0:00:00

Installing collected packages: pip
Attempting uninstall: pip
Found existing installation: pip 25.0.1
Uninstalling pip-25.0.1:
Successfully uninstalled pip-25.0.1
Successfully installed pip-26.2.1
Create complete file
Successfully set up CPython (3.12.14)

▸ Run pip install git+https://vault1.magland.org/challenges/challenge-tools
Collecting git+https://vault1.magland.org/challenges/challenge-tools
  Cloning https://vault1.magland.org/challenges/challenge-tools to /tmp/pip-req-build-d_xrrtvx
  Running command git clone --filter=blob:none --quiet https://vault1.magland.org/challenges/challenge-tools /tmp/pip-req-build-d_xrrtvx
  warning: filtering not recognized by server, ignoring
  Resolved https://vault1.magland.org/challenges/challenge-tools to commit 248673f5d767996d46732fe5dcceab16693f979e
  Installing build dependencies: started
  Installing build dependencies: finished with status 'done'
  Getting requirements to build wheel: started
  Getting requirements to build wheel: finished with status 'done'
  Preparing metadata (pyproject.toml): started
  Preparing metadata (pyproject.toml): finished with status 'done'
Collecting numpy (from challenge-tools==0.1.0)
  Downloading numpy-2.5.3-cp312-cp312-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl.metadata (6.6 kB)
Collecting scipy (from challenge-tools==0.1.0)
  Downloading scipy-1.18.1-cp312-cp312-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl.metadata (62 kB)
Collecting jsonschema (from challenge-tools==0.1.0)
  Downloading jsonschema-4.26.0-py3-none-any.whl.metadata (7.6 kB)
Collecting h5py (from challenge-tools==0.1.0)
  Downloading h5py-3.16.0-cp312-cp312-manylinux_2_28_x86_64.whl.metadata (3.0 kB)
Collecting attrs>=22.2.0 (from jsonschema->challenge-tools==0.1.0)
  Downloading attrs-26.1.0-py3-none-any.whl.metadata (8.8 kB)
Collecting jsonschema-specifications>=2023.03.6 (from jsonschema->challenge-tools==0.1.0)
  Downloading jsonschema_specifications-2025.9.1-py3-none-any.whl.metadata (2.9 kB)
Collecting referencing>=0.28.4 (from jsonschema->challenge-tools==0.1.0)
  Downloading referencing-0.37.0-py3-none-any.whl.metadata (2.8 kB)
Collecting rpds-py>=0.25.0 (from jsonschema->challenge-tools==0.1.0)
  Downloading rpds_py-2026.6.3-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl.metadata (4.1 kB)
Collecting typing-extensions>=4.4.0 (from referencing>=0.28.4->jsonschema->challenge-tools==0.1.0)
  Downloading typing_extensions-4.16.0-py3-none-any.whl.metadata (3.3 kB)
Downloading h5py-3.16.0-cp312-cp312-manylinux_2_28_x86_64.whl (5.4 MB)
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 5.4/5.4 MB 12.8 MB/s  0:00:00
Downloading numpy-2.5.3-cp312-cp312-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl (16.7 MB)
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 16.7/16.7 MB 43.6 MB/s  0:00:00
Downloading jsonschema-4.26.0-py3-none-any.whl (90 kB)
Downloading attrs-26.1.0-py3-none-any.whl (67 kB)
Downloading jsonschema_specifications-2025.9.1-py3-none-any.whl (18 kB)
Downloading referencing-0.37.0-py3-none-any.whl (26 kB)
Downloading rpds_py-2026.6.3-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl (366 kB)
Downloading typing_extensions-4.16.0-py3-none-any.whl (45 kB)
Downloading scipy-1.18.1-cp312-cp312-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl (35.3 MB)
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 35.3/35.3 MB 13.7 MB/s  0:00:02
Building wheels for collected packages: challenge-tools
  Building wheel for challenge-tools (pyproject.toml): started
  Building wheel for challenge-tools (pyproject.toml): finished with status 'done'
  Created wheel for challenge-tools: filename=challenge_tools-0.1.0-py3-none-any.whl size=22614 sha256=c92f909431672b0cd7277a36e2982e8423ec6f5308587907b9ee2de6c86e469d
  Stored in directory: /tmp/pip-ephem-wheel-cache-4wvtb9p7/wheels/e3/cb/fd/7e45ed86fd46c82e653d987283215b318522fc6016aae5b6c2
Successfully built challenge-tools
Installing collected packages: typing-extensions, rpds-py, numpy, attrs, scipy, referencing, h5py, jsonschema-specifications, jsonschema, challenge-tools

Successfully installed attrs-26.1.0 challenge-tools-0.1.0 h5py-3.16.0 jsonschema-4.26.0 jsonschema-specifications-2025.9.1 numpy-2.5.3 referencing-0.37.0 rpds-py-2026.6.3 scipy-1.18.1 typing-extensions-4.16.0
WARNING: Running pip as the 'root' user can result in broken permissions and conflicting behaviour with the system package manager, possibly rendering your system unusable. It is recommended to use a virtual environment instead: https://pip.pypa.io/warnings/venv. Use the --root-user-action option if you know what you are doing and want to suppress this warning.

▸ Validate submissions
0 problem(s)

▸ Build this repository's site
site written to site

▸ actions/configure-pages@v4
Using mochi's built-in configure-pages (actions/configure-pages@v4)
This site will be served at https://string-solutions--challenges.vault1-sites.magland.org/

▸ actions/upload-pages-artifact@v3
Using cached actions/upload-pages-artifact@v3 (56afc609e742)
▸ Archive artifact
▾ Archive artifact
./
./viewer.js
./manifest.json
./solutions/
./solutions/string-pluck-v1/
./solutions/string-pluck-v1/fd-second-order.json
./solutions/string-pluck-v1/modal-series.json
./solutions/string-pluck-v1/modal-series/
./solutions/string-pluck-v1/modal-series/modal-n32.wav
./solutions/string-pluck-v1/modal-series/modal-n8.wav
./solutions/string-pluck-v1/modal-series/modal-n16.wav
./solutions/string-pluck-v1/modal-series/modal-n1024.h5
./solutions/string-pluck-v1/modal-series/modal-n64.wav
./solutions/string-pluck-v1/modal-series/modal-n1024.wav
./solutions/string-pluck-v1/modal-series/modal-n256.wav
./solutions/string-pluck-v1/modal-series/modal-n4.wav
./solutions/string-pluck-v1/fd-second-order/
./solutions/string-pluck-v1/fd-second-order/fd-m2.wav
./solutions/string-pluck-v1/fd-second-order/fd-m16.h5
./solutions/string-pluck-v1/fd-second-order/fd-m1.wav
./solutions/string-pluck-v1/fd-second-order/fd-m8.wav
./solutions/string-pluck-v1/fd-second-order/fd-m16.wav
./solutions/string-pluck-v1/fd-second-order/fd-m4.wav
./player.js
./index.html
▸ Upload artifact
Using mochi's built-in upload-artifact (actions/upload-artifact@v4)
Uploading artifact github-pages (1 file, 10681856 bytes)

▸ actions/deploy-pages@v4
Using mochi's built-in deploy-pages (actions/deploy-pages@v4)
Deployed 20 files to https://string-solutions--challenges.vault1-sites.magland.org/