Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires infection/infection ^0.27.0 -> satisfiable by infection/infection[0.27.0, ..., 0.27.11]. - Root composer.json requires psalm/plugin-symfony ^5.1.0 -> satisfiable by psalm/plugin-symfony[v5.1.0, ..., v5.2.7]. - infection/infection[0.27.0, ..., 0.27.9] require nikic/php-parser ^4.15.1 -> satisfiable by nikic/php-parser[v4.15.1, ..., v4.19.4]. - Conclusion: don't install one of nikic/php-parser[v5.4.0], infection/infection[0.27.11] (conflict analysis result) - Conclusion: install nikic/php-parser v5.4.0 (conflict analysis result) - You can only install one version of a package, so only one of these can be installed: nikic/php-parser[v4.10.0, ..., v4.19.4, v5.0.0, ..., v5.4.0]. Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.

Process completed with exit code 2.

The job was canceled because "highest_8_3_ubuntu-latest" failed.

The job was canceled because "highest_8_3_ubuntu-latest" failed.

The operation was canceled.

The job was canceled because "highest_8_3_ubuntu-latest" failed.

The operation was canceled.

The job was canceled because "highest_8_3_ubuntu-latest" failed.

The operation was canceled.

The job was canceled because "highest_8_3_ubuntu-latest" failed.

The operation was canceled.

The job was canceled because "highest_8_3_ubuntu-latest" failed.

The operation was canceled.

The job was canceled because "highest_8_3_ubuntu-latest" failed.

The job was canceled because "highest_8_3_ubuntu-latest" failed.

The operation was canceled.