2023-09-26T18:22:11,628 Created temporary directory: /tmp/pip-build-tracker-ok8rv736
2023-09-26T18:22:11,630 Initialized build tracking at /tmp/pip-build-tracker-ok8rv736
2023-09-26T18:22:11,630 Created build tracker: /tmp/pip-build-tracker-ok8rv736
2023-09-26T18:22:11,631 Entered build tracker: /tmp/pip-build-tracker-ok8rv736
2023-09-26T18:22:11,632 Created temporary directory: /tmp/pip-wheel-hm5jxfax
2023-09-26T18:22:11,635 Created temporary directory: /tmp/pip-ephem-wheel-cache-7g3vew8x
2023-09-26T18:22:11,872 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2023-09-26T18:22:11,876 2 location(s) to search for versions of opt-solver:
2023-09-26T18:22:11,876 * https://pypi.org/simple/opt-solver/
2023-09-26T18:22:11,876 * https://www.piwheels.org/simple/opt-solver/
2023-09-26T18:22:11,877 Fetching project page and analyzing links: https://pypi.org/simple/opt-solver/
2023-09-26T18:22:11,877 Getting page https://pypi.org/simple/opt-solver/
2023-09-26T18:22:11,879 Found index url https://pypi.org/simple/
2023-09-26T18:22:12,125 Fetched page https://pypi.org/simple/opt-solver/ as application/vnd.pypi.simple.v1+json
2023-09-26T18:22:12,127   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)
2023-09-26T18:22:12,128   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
2023-09-26T18:22:12,129   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)
2023-09-26T18:22:12,129   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
2023-09-26T18:22:12,130 Fetching project page and analyzing links: https://www.piwheels.org/simple/opt-solver/
2023-09-26T18:22:12,131 Getting page https://www.piwheels.org/simple/opt-solver/
2023-09-26T18:22:12,132 Found index url https://www.piwheels.org/simple/
2023-09-26T18:22:12,291 Fetched page https://www.piwheels.org/simple/opt-solver/ as text/html
2023-09-26T18:22:12,292 Skipping link: not a file: https://www.piwheels.org/simple/opt-solver/
2023-09-26T18:22:12,292 Skipping link: not a file: https://pypi.org/simple/opt-solver/
2023-09-26T18:22:12,312 Given no hashes to check 1 links for project 'opt-solver': discarding no candidates
2023-09-26T18:22:12,330 Collecting opt-solver==0.1.1
2023-09-26T18:22:12,332   Created temporary directory: /tmp/pip-unpack-94jkbcb6
2023-09-26T18:22:12,541   Downloading opt_solver-0.1.1.tar.gz (18 kB)
2023-09-26T18:22:12,595   Added opt-solver==0.1.1 from https://files.pythonhosted.org/packages/b2/1e/c4958465301987ab71689aaa572b90316dd39be814aca4ac037f47e46c3b/opt_solver-0.1.1.tar.gz to build tracker '/tmp/pip-build-tracker-ok8rv736'
2023-09-26T18:22:12,598   Created temporary directory: /tmp/pip-build-env-6qfppbmg
2023-09-26T18:22:12,603   Installing build dependencies: started
2023-09-26T18:22:12,604   Running command pip subprocess to install build dependencies
2023-09-26T18:22:13,766   Using pip 23.2.1 from /usr/local/lib/python3.11/dist-packages/pip (python 3.11)
2023-09-26T18:22:14,255   Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2023-09-26T18:22:15,747   Collecting maturin<2.0,>=1.1
2023-09-26T18:22:15,748     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
2023-09-26T18:22:15,754     Using cached maturin-1.2.3-py3-none-manylinux_2_17_armv7l.manylinux2014_armv7l.musllinux_1_1_armv7l.whl.metadata (18 kB)
2023-09-26T18:22:15,909   Using cached maturin-1.2.3-py3-none-manylinux_2_17_armv7l.manylinux2014_armv7l.musllinux_1_1_armv7l.whl (9.2 MB)
2023-09-26T18:22:18,409   Installing collected packages: maturin
2023-09-26T18:22:19,114   Successfully installed maturin-1.2.3
2023-09-26T18:22:19,648   Installing build dependencies: finished with status 'done'
2023-09-26T18:22:19,651   Getting requirements to build wheel: started
2023-09-26T18:22:19,652   Running command Getting requirements to build wheel
2023-09-26T18:22:19,847   Getting requirements to build wheel: finished with status 'done'
2023-09-26T18:22:19,850   Created temporary directory: /tmp/pip-modern-metadata-hvzmzdru
2023-09-26T18:22:19,852   Preparing metadata (pyproject.toml): started
2023-09-26T18:22:19,853   Running command Preparing metadata (pyproject.toml)
2023-09-26T18:22:20,488       Updating crates.io index
2023-09-26T18:22:20,650    Downloading crates ...
2023-09-26T18:22:21,131     Downloaded rust_decimal v1.31.0
2023-09-26T18:22:21,442     Downloaded array-init v2.1.0
2023-09-26T18:22:21,506   🔗 Found pyo3 bindings
2023-09-26T18:22:21,811   🐍 Found CPython 3.11 at /usr/bin/python3
2023-09-26T18:22:21,812   📡 Using build options features from pyproject.toml
2023-09-26T18:22:21,821   opt_solver-0.1.1.dist-info
2023-09-26T18:22:21,821   Checking for Rust toolchain....
2023-09-26T18:22:21,822   Running `maturin pep517 write-dist-info --metadata-directory /tmp/pip-modern-metadata-hvzmzdru --interpreter /usr/bin/python3`
2023-09-26T18:22:21,845   Preparing metadata (pyproject.toml): finished with status 'done'
2023-09-26T18:22:21,849   Source in /tmp/pip-wheel-hm5jxfax/opt-solver_8640e35f433c40489de942fa93b0f3e4 has version 0.1.1, which satisfies requirement opt-solver==0.1.1 from https://files.pythonhosted.org/packages/b2/1e/c4958465301987ab71689aaa572b90316dd39be814aca4ac037f47e46c3b/opt_solver-0.1.1.tar.gz
2023-09-26T18:22:21,850   Removed opt-solver==0.1.1 from https://files.pythonhosted.org/packages/b2/1e/c4958465301987ab71689aaa572b90316dd39be814aca4ac037f47e46c3b/opt_solver-0.1.1.tar.gz from build tracker '/tmp/pip-build-tracker-ok8rv736'
2023-09-26T18:22:21,855 Created temporary directory: /tmp/pip-unpack-j4jz5zu6
2023-09-26T18:22:21,856 Created temporary directory: /tmp/pip-unpack-b2fima93
2023-09-26T18:22:21,858 Building wheels for collected packages: opt-solver
2023-09-26T18:22:21,862   Created temporary directory: /tmp/pip-wheel-78ebgk38
2023-09-26T18:22:21,863   Destination directory: /tmp/pip-wheel-78ebgk38
2023-09-26T18:22:21,865   Building wheel for opt-solver (pyproject.toml): started
2023-09-26T18:22:21,866   Running command Building wheel for opt-solver (pyproject.toml)
2023-09-26T18:22:22,033   Running `maturin pep517 build-wheel -i /usr/bin/python3 --compatibility off`
2023-09-26T18:22:22,560   🔗 Found pyo3 bindings
2023-09-26T18:22:22,836   🐍 Found CPython 3.11 at /usr/bin/python3
2023-09-26T18:22:22,836   📡 Using build options features from pyproject.toml
2023-09-26T18:22:23,484      Compiling autocfg v1.1.0
2023-09-26T18:22:23,485      Compiling libc v0.2.147
2023-09-26T18:22:23,486      Compiling cfg-if v1.0.0
2023-09-26T18:22:23,486      Compiling target-lexicon v0.12.11
2023-09-26T18:22:23,658      Compiling scopeguard v1.2.0
2023-09-26T18:22:23,957      Compiling crossbeam-utils v0.8.16
2023-09-26T18:22:25,746      Compiling once_cell v1.18.0
2023-09-26T18:22:26,631      Compiling num-traits v0.2.16
2023-09-26T18:22:27,500      Compiling memoffset v0.9.0
2023-09-26T18:22:27,944      Compiling proc-macro2 v1.0.66
2023-09-26T18:22:31,341      Compiling unicode-ident v1.0.11
2023-09-26T18:22:31,781      Compiling ppv-lite86 v0.2.17
2023-09-26T18:22:31,874      Compiling pyo3-build-config v0.19.2
2023-09-26T18:22:34,183      Compiling getrandom v0.2.10
2023-09-26T18:22:35,897      Compiling rand_core v0.6.4
2023-09-26T18:22:37,781      Compiling rand_chacha v0.3.1
2023-09-26T18:22:44,838      Compiling crossbeam-epoch v0.9.15
2023-09-26T18:22:46,427      Compiling syn v1.0.109
2023-09-26T18:22:47,654      Compiling rand v0.8.5
2023-09-26T18:22:48,934      Compiling quote v1.0.32
2023-09-26T18:22:51,019      Compiling num-integer v0.1.45
2023-09-26T18:22:51,895      Compiling lock_api v0.4.10
2023-09-26T18:22:52,207      Compiling serde v1.0.183
2023-09-26T18:22:53,118      Compiling pyo3-ffi v0.19.2
2023-09-26T18:22:53,151      Compiling parking_lot_core v0.9.8
2023-09-26T18:22:57,519      Compiling num-bigint v0.4.3
2023-09-26T18:22:59,308      Compiling rayon-core v1.11.0
2023-09-26T18:23:00,447      Compiling rust_decimal v1.31.0
2023-09-26T18:23:01,899      Compiling smallvec v1.11.0
2023-09-26T18:23:03,679      Compiling crossbeam-deque v0.8.3
2023-09-26T18:23:07,790      Compiling pyo3 v0.19.2
2023-09-26T18:23:09,356      Compiling crossbeam-channel v0.5.8
2023-09-26T18:23:10,322      Compiling num_cpus v1.16.0
2023-09-26T18:23:17,463      Compiling arrayvec v0.7.4
2023-09-26T18:23:42,723      Compiling pyo3-macros-backend v0.19.2
2023-09-26T18:24:01,968      Compiling parking_lot v0.12.1
2023-09-26T18:24:07,969      Compiling num-complex v0.4.3
2023-09-26T18:24:09,887      Compiling either v1.9.0
2023-09-26T18:24:10,957      Compiling indoc v1.0.9
2023-09-26T18:24:12,182      Compiling unindent v0.1.11
2023-09-26T18:24:14,470      Compiling rayon v1.7.0
2023-09-26T18:24:15,222      Compiling array-init v2.1.0
2023-09-26T18:24:18,582      Compiling pyo3-macros v0.19.2
2023-09-26T18:24:59,697      Compiling opt_solver v0.1.1 (/tmp/pip-wheel-hm5jxfax/opt-solver_8640e35f433c40489de942fa93b0f3e4)
2023-09-26T18:25:00,214   error[E0554]: `#![feature]` may not be used on the stable release channel
2023-09-26T18:25:00,215    --> src/lib.rs:1:1
2023-09-26T18:25:00,216     |
2023-09-26T18:25:00,217   1 | #![feature(test)]
2023-09-26T18:25:00,218     | ^^^^^^^^^^^^^^^^^

2023-09-26T18:25:00,219   error[E0554]: `#![feature]` may not be used on the stable release channel
2023-09-26T18:25:00,221    --> src/lib.rs:3:1
2023-09-26T18:25:00,223     |
2023-09-26T18:25:00,224   3 | #![feature(associated_const_equality)]
2023-09-26T18:25:00,226     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

2023-09-26T18:25:00,227   error[E0554]: `#![feature]` may not be used on the stable release channel
2023-09-26T18:25:00,228    --> src/lib.rs:4:1
2023-09-26T18:25:00,228     |
2023-09-26T18:25:00,229   4 | #![feature(auto_traits, negative_impls)]
2023-09-26T18:25:00,230     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

2023-09-26T18:25:00,308   error[E0554]: `#![feature]` may not be used on the stable release channel
2023-09-26T18:25:00,309    --> src/lib.rs:1:12
2023-09-26T18:25:00,311     |
2023-09-26T18:25:00,311   1 | #![feature(test)]
2023-09-26T18:25:00,312     |            ^^^^

2023-09-26T18:25:02,586   For more information about this error, try `rustc --explain E0554`.
2023-09-26T18:25:02,602   error: could not compile `opt_solver` (lib) due to 4 previous errors
2023-09-26T18:25:02,613   💥 maturin failed
2023-09-26T18:25:02,614     Caused by: Failed to build a native library through cargo
2023-09-26T18:25:02,614     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-hm5jxfax/opt-solver_8640e35f433c40489de942fa93b0f3e4/Cargo.toml" "--release" "--lib" "--crate-type" "cdylib"`
2023-09-26T18:25:02,617   Error: command ['maturin', 'pep517', 'build-wheel', '-i', '/usr/bin/python3', '--compatibility', 'off'] returned non-zero exit status 1
2023-09-26T18:25:02,639   ERROR: [present-rich] Building wheel for opt-solver (pyproject.toml) exited with 1
2023-09-26T18:25:02,653   [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/tmppd7gonj3[/]
2023-09-26T18:25:02,654   [bold magenta]cwd[/]: /tmp/pip-wheel-hm5jxfax/opt-solver_8640e35f433c40489de942fa93b0f3e4
2023-09-26T18:25:02,655   Building wheel for opt-solver (pyproject.toml): finished with status 'error'
2023-09-26T18:25:02,658   ERROR: Failed building wheel for opt-solver
2023-09-26T18:25:02,660 Failed to build opt-solver
2023-09-26T18:25:02,662 ERROR: Failed to build one or more wheels
2023-09-26T18:25:02,663 Exception information:
2023-09-26T18:25:02,663 Traceback (most recent call last):
2023-09-26T18:25:02,663   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/cli/base_command.py", line 180, in exc_logging_wrapper
2023-09-26T18:25:02,663     status = run_func(*args)
2023-09-26T18:25:02,663              ^^^^^^^^^^^^^^^
2023-09-26T18:25:02,663   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/cli/req_command.py", line 248, in wrapper
2023-09-26T18:25:02,663     return func(self, options, args)
2023-09-26T18:25:02,663            ^^^^^^^^^^^^^^^^^^^^^^^^^
2023-09-26T18:25:02,663   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/commands/wheel.py", line 181, in run
2023-09-26T18:25:02,663     raise CommandError("Failed to build one or more wheels")
2023-09-26T18:25:02,663 pip._internal.exceptions.CommandError: Failed to build one or more wheels
2023-09-26T18:25:02,667 Removed build tracker: '/tmp/pip-build-tracker-ok8rv736'