2023-09-26T18:22:38,492 Created temporary directory: /tmp/pip-build-tracker-9iv9wnpf
2023-09-26T18:22:38,494 Initialized build tracking at /tmp/pip-build-tracker-9iv9wnpf
2023-09-26T18:22:38,494 Created build tracker: /tmp/pip-build-tracker-9iv9wnpf
2023-09-26T18:22:38,495 Entered build tracker: /tmp/pip-build-tracker-9iv9wnpf
2023-09-26T18:22:38,496 Created temporary directory: /tmp/pip-wheel-rb7py_b0
2023-09-26T18:22:38,499 Created temporary directory: /tmp/pip-ephem-wheel-cache-k3n3uswi
2023-09-26T18:22:38,525 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2023-09-26T18:22:38,529 2 location(s) to search for versions of opt-solver:
2023-09-26T18:22:38,529 * https://pypi.org/simple/opt-solver/
2023-09-26T18:22:38,529 * https://www.piwheels.org/simple/opt-solver/
2023-09-26T18:22:38,530 Fetching project page and analyzing links: https://pypi.org/simple/opt-solver/
2023-09-26T18:22:38,531 Getting page https://pypi.org/simple/opt-solver/
2023-09-26T18:22:38,533 Found index url https://pypi.org/simple/
2023-09-26T18:22:38,691 Fetched page https://pypi.org/simple/opt-solver/ as application/vnd.pypi.simple.v1+json
2023-09-26T18:22:38,693   Skipping link: No binaries permitted for opt-solver: https://files.pythonhosted.org/packages/a2/86/f0d9e18610e4ea692363ad27e33d81164efa8f03ee9fcb9382531136014c/opt_solver-0.1.1-cp310-none-win_amd64.whl (from https://pypi.org/simple/opt-solver/) (requires-python:>=3.7)
2023-09-26T18:22:38,694   Found link https://files.pythonhosted.org/packages/b2/1e/c4958465301987ab71689aaa572b90316dd39be814aca4ac037f47e46c3b/opt_solver-0.1.1.tar.gz (from https://pypi.org/simple/opt-solver/) (requires-python:>=3.7), version: 0.1.1
2023-09-26T18:22:38,695   Skipping link: No binaries permitted for opt-solver: https://files.pythonhosted.org/packages/20/a1/9f4d580a8226deffabbdc2afc251ed857dd98e4a524eec9826a9c888d45a/opt_solver-0.1.2-cp310-none-win_amd64.whl (from https://pypi.org/simple/opt-solver/) (requires-python:>=3.7)
2023-09-26T18:22:38,696   Found link https://files.pythonhosted.org/packages/ca/7a/a8a84858cf4e2a5fce436b8d0c0a815cc1f5e9b1153f09f62d27b9a13bfa/opt_solver-0.1.2.tar.gz (from https://pypi.org/simple/opt-solver/) (requires-python:>=3.7), version: 0.1.2
2023-09-26T18:22:38,697 Fetching project page and analyzing links: https://www.piwheels.org/simple/opt-solver/
2023-09-26T18:22:38,698 Getting page https://www.piwheels.org/simple/opt-solver/
2023-09-26T18:22:38,699 Found index url https://www.piwheels.org/simple/
2023-09-26T18:22:38,896 Fetched page https://www.piwheels.org/simple/opt-solver/ as text/html
2023-09-26T18:22:38,897 Skipping link: not a file: https://www.piwheels.org/simple/opt-solver/
2023-09-26T18:22:38,898 Skipping link: not a file: https://pypi.org/simple/opt-solver/
2023-09-26T18:22:38,919 Given no hashes to check 1 links for project 'opt-solver': discarding no candidates
2023-09-26T18:22:38,941 Collecting opt-solver==0.1.2
2023-09-26T18:22:38,944   Created temporary directory: /tmp/pip-unpack-aumjw1di
2023-09-26T18:22:39,490   Downloading opt_solver-0.1.2.tar.gz (18 kB)
2023-09-26T18:22:42,087   Added opt-solver==0.1.2 from https://files.pythonhosted.org/packages/ca/7a/a8a84858cf4e2a5fce436b8d0c0a815cc1f5e9b1153f09f62d27b9a13bfa/opt_solver-0.1.2.tar.gz to build tracker '/tmp/pip-build-tracker-9iv9wnpf'
2023-09-26T18:22:42,092   Created temporary directory: /tmp/pip-build-env-rgbr3mh0
2023-09-26T18:22:42,097   Installing build dependencies: started
2023-09-26T18:22:42,099   Running command pip subprocess to install build dependencies
2023-09-26T18:22:43,771   Using pip 23.2.1 from /usr/local/lib/python3.11/dist-packages/pip (python 3.11)
2023-09-26T18:22:44,915   Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2023-09-26T18:22:46,830   Collecting maturin<2.0,>=1.1
2023-09-26T18:22:46,832     Obtaining dependency information for maturin<2.0,>=1.1 from https://files.pythonhosted.org/packages/c1/22/4e716c0dfe799391176605ee4175c9dd1562dd057bb44f0358a365b6d8ce/maturin-1.2.3-py3-none-manylinux_2_17_armv7l.manylinux2014_armv7l.musllinux_1_1_armv7l.whl.metadata
2023-09-26T18:22:46,840     Using cached maturin-1.2.3-py3-none-manylinux_2_17_armv7l.manylinux2014_armv7l.musllinux_1_1_armv7l.whl.metadata (18 kB)
2023-09-26T18:22:47,009   Using cached maturin-1.2.3-py3-none-manylinux_2_17_armv7l.manylinux2014_armv7l.musllinux_1_1_armv7l.whl (9.2 MB)
2023-09-26T18:22:50,018   Installing collected packages: maturin
2023-09-26T18:22:50,758   Successfully installed maturin-1.2.3
2023-09-26T18:22:51,349   Installing build dependencies: finished with status 'done'
2023-09-26T18:22:51,353   Getting requirements to build wheel: started
2023-09-26T18:22:51,354   Running command Getting requirements to build wheel
2023-09-26T18:22:51,573   Getting requirements to build wheel: finished with status 'done'
2023-09-26T18:22:51,577   Created temporary directory: /tmp/pip-modern-metadata-6940dvua
2023-09-26T18:22:51,580   Preparing metadata (pyproject.toml): started
2023-09-26T18:22:51,581   Running command Preparing metadata (pyproject.toml)
2023-09-26T18:22:52,222       Updating crates.io index
2023-09-26T18:22:52,424    Downloading crates ...
2023-09-26T18:22:52,985     Downloaded rust_decimal v1.31.0
2023-09-26T18:22:53,399     Downloaded array-init v2.1.0
2023-09-26T18:22:53,460   🔗 Found pyo3 bindings
2023-09-26T18:22:53,758   🐍 Found CPython 3.11 at /usr/bin/python3
2023-09-26T18:22:53,758   📡 Using build options features from pyproject.toml
2023-09-26T18:22:53,767   opt_solver-0.1.2.dist-info
2023-09-26T18:22:53,768   Checking for Rust toolchain....
2023-09-26T18:22:53,769   Running `maturin pep517 write-dist-info --metadata-directory /tmp/pip-modern-metadata-6940dvua --interpreter /usr/bin/python3`
2023-09-26T18:22:53,795   Preparing metadata (pyproject.toml): finished with status 'done'
2023-09-26T18:22:53,800   Source in /tmp/pip-wheel-rb7py_b0/opt-solver_a809e92e48ce4fff9e3a6e475074f418 has version 0.1.2, which satisfies requirement opt-solver==0.1.2 from https://files.pythonhosted.org/packages/ca/7a/a8a84858cf4e2a5fce436b8d0c0a815cc1f5e9b1153f09f62d27b9a13bfa/opt_solver-0.1.2.tar.gz
2023-09-26T18:22:53,801   Removed opt-solver==0.1.2 from https://files.pythonhosted.org/packages/ca/7a/a8a84858cf4e2a5fce436b8d0c0a815cc1f5e9b1153f09f62d27b9a13bfa/opt_solver-0.1.2.tar.gz from build tracker '/tmp/pip-build-tracker-9iv9wnpf'
2023-09-26T18:22:53,807 Created temporary directory: /tmp/pip-unpack-gdabumue
2023-09-26T18:22:53,808 Created temporary directory: /tmp/pip-unpack-o1cv1ymd
2023-09-26T18:22:53,811 Building wheels for collected packages: opt-solver
2023-09-26T18:22:53,816   Created temporary directory: /tmp/pip-wheel-bz5adm3e
2023-09-26T18:22:53,816   Destination directory: /tmp/pip-wheel-bz5adm3e
2023-09-26T18:22:53,819   Building wheel for opt-solver (pyproject.toml): started
2023-09-26T18:22:53,820   Running command Building wheel for opt-solver (pyproject.toml)
2023-09-26T18:22:54,006   Running `maturin pep517 build-wheel -i /usr/bin/python3 --compatibility off`
2023-09-26T18:22:54,563   🔗 Found pyo3 bindings
2023-09-26T18:22:56,837   🐍 Found CPython 3.11 at /usr/bin/python3
2023-09-26T18:22:56,838   📡 Using build options features from pyproject.toml
2023-09-26T18:22:57,517      Compiling autocfg v1.1.0
2023-09-26T18:22:57,518      Compiling cfg-if v1.0.0
2023-09-26T18:22:57,519      Compiling libc v0.2.147
2023-09-26T18:22:57,519      Compiling target-lexicon v0.12.11
2023-09-26T18:22:57,675      Compiling scopeguard v1.2.0
2023-09-26T18:22:58,162      Compiling crossbeam-utils v0.8.16
2023-09-26T18:23:00,539      Compiling proc-macro2 v1.0.66
2023-09-26T18:23:01,106      Compiling num-traits v0.2.16
2023-09-26T18:23:03,786      Compiling memoffset v0.9.0
2023-09-26T18:23:04,135      Compiling once_cell v1.18.0
2023-09-26T18:23:06,660      Compiling ppv-lite86 v0.2.17
2023-09-26T18:23:08,846      Compiling getrandom v0.2.10
2023-09-26T18:23:08,849      Compiling pyo3-build-config v0.19.2
2023-09-26T18:23:10,213      Compiling rand_core v0.6.4
2023-09-26T18:23:10,374      Compiling unicode-ident v1.0.11
2023-09-26T18:23:12,628      Compiling rand_chacha v0.3.1
2023-09-26T18:23:21,285      Compiling crossbeam-epoch v0.9.15
2023-09-26T18:23:23,488      Compiling syn v1.0.109
2023-09-26T18:23:26,377      Compiling quote v1.0.32
2023-09-26T18:23:26,588      Compiling rand v0.8.5
2023-09-26T18:23:29,277      Compiling pyo3-ffi v0.19.2
2023-09-26T18:23:30,437      Compiling num-integer v0.1.45
2023-09-26T18:23:30,929      Compiling lock_api v0.4.10
2023-09-26T18:23:31,505      Compiling parking_lot_core v0.9.8
2023-09-26T18:23:31,996      Compiling serde v1.0.183
2023-09-26T18:23:34,428      Compiling num-bigint v0.4.3
2023-09-26T18:23:36,499      Compiling rust_decimal v1.31.0
2023-09-26T18:23:38,793      Compiling rayon-core v1.11.0
2023-09-26T18:23:40,221      Compiling smallvec v1.11.0
2023-09-26T18:23:41,704      Compiling crossbeam-deque v0.8.3
2023-09-26T18:23:50,352      Compiling pyo3 v0.19.2
2023-09-26T18:23:50,403      Compiling crossbeam-channel v0.5.8
2023-09-26T18:23:53,939      Compiling num_cpus v1.16.0
2023-09-26T18:24:00,231      Compiling arrayvec v0.7.4
2023-09-26T18:24:05,939      Compiling parking_lot v0.12.1
2023-09-26T18:24:20,017      Compiling pyo3-macros-backend v0.19.2
2023-09-26T18:24:56,487      Compiling num-complex v0.4.3
2023-09-26T18:25:03,795      Compiling either v1.9.0
2023-09-26T18:25:04,960      Compiling indoc v1.0.9
2023-09-26T18:25:06,894      Compiling unindent v0.1.11
2023-09-26T18:25:08,447      Compiling pyo3-macros v0.19.2
2023-09-26T18:25:09,035      Compiling rayon v1.7.0
2023-09-26T18:25:09,139      Compiling array-init v2.1.0
2023-09-26T18:25:51,139      Compiling opt_solver v0.1.2 (/tmp/pip-wheel-rb7py_b0/opt-solver_a809e92e48ce4fff9e3a6e475074f418)
2023-09-26T18:25:51,652   error[E0554]: `#![feature]` may not be used on the stable release channel
2023-09-26T18:25:51,653    --> src/lib.rs:1:1
2023-09-26T18:25:51,653     |
2023-09-26T18:25:51,654   1 | #![feature(test)]
2023-09-26T18:25:51,655     | ^^^^^^^^^^^^^^^^^

2023-09-26T18:25:51,656   error[E0554]: `#![feature]` may not be used on the stable release channel
2023-09-26T18:25:51,657    --> src/lib.rs:3:1
2023-09-26T18:25:51,658     |
2023-09-26T18:25:51,658   3 | #![feature(associated_const_equality)]
2023-09-26T18:25:51,659     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

2023-09-26T18:25:51,660   error[E0554]: `#![feature]` may not be used on the stable release channel
2023-09-26T18:25:51,661    --> src/lib.rs:4:1
2023-09-26T18:25:51,661     |
2023-09-26T18:25:51,662   4 | #![feature(auto_traits, negative_impls)]
2023-09-26T18:25:51,662     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

2023-09-26T18:25:51,746   error[E0554]: `#![feature]` may not be used on the stable release channel
2023-09-26T18:25:51,747    --> src/lib.rs:1:12
2023-09-26T18:25:51,748     |
2023-09-26T18:25:51,750   1 | #![feature(test)]
2023-09-26T18:25:51,750     |            ^^^^

2023-09-26T18:25:54,111   For more information about this error, try `rustc --explain E0554`.
2023-09-26T18:25:54,126   error: could not compile `opt_solver` (lib) due to 4 previous errors
2023-09-26T18:25:54,141   💥 maturin failed
2023-09-26T18:25:54,142     Caused by: Failed to build a native library through cargo
2023-09-26T18:25:54,143     Caused by: Cargo build finished with "exit status: 101": `"cargo" "rustc" "--features" "pyo3/extension-module" "--message-format" "json-render-diagnostics" "--manifest-path" "/tmp/pip-wheel-rb7py_b0/opt-solver_a809e92e48ce4fff9e3a6e475074f418/Cargo.toml" "--release" "--lib" "--crate-type" "cdylib"`
2023-09-26T18:25:54,144   Error: command ['maturin', 'pep517', 'build-wheel', '-i', '/usr/bin/python3', '--compatibility', 'off'] returned non-zero exit status 1
2023-09-26T18:25:54,163   ERROR: [present-rich] Building wheel for opt-solver (pyproject.toml) exited with 1
2023-09-26T18:25:54,176   [bold magenta]full command[/]: [blue]/usr/bin/python3 /usr/local/lib/python3.11/dist-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py build_wheel /tmp/tmpb4cc_0r9[/]
2023-09-26T18:25:54,177   [bold magenta]cwd[/]: /tmp/pip-wheel-rb7py_b0/opt-solver_a809e92e48ce4fff9e3a6e475074f418
2023-09-26T18:25:54,178   Building wheel for opt-solver (pyproject.toml): finished with status 'error'
2023-09-26T18:25:54,180   ERROR: Failed building wheel for opt-solver
2023-09-26T18:25:54,183 Failed to build opt-solver
2023-09-26T18:25:54,184 ERROR: Failed to build one or more wheels
2023-09-26T18:25:54,185 Exception information:
2023-09-26T18:25:54,185 Traceback (most recent call last):
2023-09-26T18:25:54,185   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/cli/base_command.py", line 180, in exc_logging_wrapper
2023-09-26T18:25:54,185     status = run_func(*args)
2023-09-26T18:25:54,185              ^^^^^^^^^^^^^^^
2023-09-26T18:25:54,185   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/cli/req_command.py", line 248, in wrapper
2023-09-26T18:25:54,185     return func(self, options, args)
2023-09-26T18:25:54,185            ^^^^^^^^^^^^^^^^^^^^^^^^^
2023-09-26T18:25:54,185   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/commands/wheel.py", line 181, in run
2023-09-26T18:25:54,185     raise CommandError("Failed to build one or more wheels")
2023-09-26T18:25:54,185 pip._internal.exceptions.CommandError: Failed to build one or more wheels
2023-09-26T18:25:54,189 Removed build tracker: '/tmp/pip-build-tracker-9iv9wnpf'