Process completed with exit code 2.

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires doctrine/coding-standard ^12.0 -> satisfiable by doctrine/coding-standard[12.0.0]. - Root composer.json requires slevomat/coding-standard dev-master#f2cc4c553eae68772624ffd7dd99022343b69c31 as 8.11.9999 -> satisfiable by slevomat/coding-standard[dev-master]. - doctrine/coding-standard 12.0.0 requires squizlabs/php_codesniffer ^3.7 -> satisfiable by squizlabs/php_codesniffer[3.7.0, ..., 3.13.4]. - slevomat/coding-standard dev-master requires squizlabs/php_codesniffer ^4.0.0 -> satisfiable by squizlabs/php_codesniffer[4.0.0]. - You can only install one version of a package, so only one of these can be installed: squizlabs/php_codesniffer[2.0.0, ..., 2.9.2, 3.0.0, ..., 3.13.4, 4.0.0].

Process completed with exit code 2.

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires doctrine/coding-standard ^12.0 -> satisfiable by doctrine/coding-standard[12.0.0, 12.0.x-dev]. - Root composer.json requires slevomat/coding-standard dev-master#f2cc4c553eae68772624ffd7dd99022343b69c31 as 8.11.9999 -> satisfiable by slevomat/coding-standard[dev-master]. - doctrine/coding-standard[12.0.0, ..., 12.0.x-dev] require squizlabs/php_codesniffer ^3.7 -> satisfiable by squizlabs/php_codesniffer[3.7.0, ..., 3.x-dev]. - slevomat/coding-standard dev-master requires squizlabs/php_codesniffer ^4.0.0 -> satisfiable by squizlabs/php_codesniffer[4.0.0beta1, 4.0.0-RC1, 4.0.0, 4.x-dev]. - You can only install one version of a package, so only one of these can be installed: squizlabs/php_codesniffer[2.0.0a1, ..., 2.9.x-dev, 3.0.0a1, ..., 3.x-dev, 4.0.0beta1, 4.0.0-RC1, 4.0.0, 4.x-dev].

Process completed with exit code 2.

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires doctrine/coding-standard ^12.0 -> satisfiable by doctrine/coding-standard[12.0.0]. - Root composer.json requires slevomat/coding-standard dev-master#f2cc4c553eae68772624ffd7dd99022343b69c31 as 8.11.9999 -> satisfiable by slevomat/coding-standard[dev-master]. - doctrine/coding-standard 12.0.0 requires squizlabs/php_codesniffer ^3.7 -> satisfiable by squizlabs/php_codesniffer[3.7.0, ..., 3.13.4]. - slevomat/coding-standard dev-master requires squizlabs/php_codesniffer ^4.0.0 -> satisfiable by squizlabs/php_codesniffer[4.0.0]. - You can only install one version of a package, so only one of these can be installed: squizlabs/php_codesniffer[2.0.0, ..., 2.9.2, 3.0.0, ..., 3.13.4, 4.0.0].

Process completed with exit code 2.

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires doctrine/coding-standard ^12.0 -> satisfiable by doctrine/coding-standard[12.0.0]. - Root composer.json requires slevomat/coding-standard dev-master#f2cc4c553eae68772624ffd7dd99022343b69c31 as 8.11.9999 -> satisfiable by slevomat/coding-standard[dev-master]. - doctrine/coding-standard 12.0.0 requires squizlabs/php_codesniffer ^3.7 -> satisfiable by squizlabs/php_codesniffer[3.7.0, ..., 3.13.4]. - slevomat/coding-standard dev-master requires squizlabs/php_codesniffer ^4.0.0 -> satisfiable by squizlabs/php_codesniffer[4.0.0]. - You can only install one version of a package, so only one of these can be installed: squizlabs/php_codesniffer[2.0.0, ..., 2.9.2, 3.0.0, ..., 3.13.4, 4.0.0].

Process completed with exit code 2.

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires doctrine/coding-standard ^12.0 -> satisfiable by doctrine/coding-standard[12.0.0]. - Root composer.json requires slevomat/coding-standard dev-master#f2cc4c553eae68772624ffd7dd99022343b69c31 as 8.11.9999 -> satisfiable by slevomat/coding-standard[dev-master]. - doctrine/coding-standard 12.0.0 requires squizlabs/php_codesniffer ^3.7 -> satisfiable by squizlabs/php_codesniffer[3.7.0, ..., 3.13.4]. - slevomat/coding-standard dev-master requires squizlabs/php_codesniffer ^4.0.0 -> satisfiable by squizlabs/php_codesniffer[4.0.0]. - You can only install one version of a package, so only one of these can be installed: squizlabs/php_codesniffer[2.0.0, ..., 2.9.2, 3.0.0, ..., 3.13.4, 4.0.0].

Process completed with exit code 2.

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires doctrine/coding-standard ^12.0 -> satisfiable by doctrine/coding-standard[12.0.0]. - Root composer.json requires slevomat/coding-standard dev-master#f2cc4c553eae68772624ffd7dd99022343b69c31 as 8.11.9999 -> satisfiable by slevomat/coding-standard[dev-master]. - doctrine/coding-standard 12.0.0 requires squizlabs/php_codesniffer ^3.7 -> satisfiable by squizlabs/php_codesniffer[3.7.0, ..., 3.13.4]. - slevomat/coding-standard dev-master requires squizlabs/php_codesniffer ^4.0.0 -> satisfiable by squizlabs/php_codesniffer[4.0.0]. - You can only install one version of a package, so only one of these can be installed: squizlabs/php_codesniffer[2.0.0, ..., 2.9.2, 3.0.0, ..., 3.13.4, 4.0.0].

Process completed with exit code 2.

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires doctrine/coding-standard ^12.0 -> satisfiable by doctrine/coding-standard[12.0.0]. - Root composer.json requires slevomat/coding-standard dev-master#f2cc4c553eae68772624ffd7dd99022343b69c31 as 8.11.9999 -> satisfiable by slevomat/coding-standard[dev-master]. - doctrine/coding-standard 12.0.0 requires squizlabs/php_codesniffer ^3.7 -> satisfiable by squizlabs/php_codesniffer[3.7.0, ..., 3.13.4]. - slevomat/coding-standard dev-master requires squizlabs/php_codesniffer ^4.0.0 -> satisfiable by squizlabs/php_codesniffer[4.0.0]. - You can only install one version of a package, so only one of these can be installed: squizlabs/php_codesniffer[2.0.0, ..., 2.9.2, 3.0.0, ..., 3.13.4, 4.0.0].

Process completed with exit code 2.

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires doctrine/coding-standard ^12.0 -> satisfiable by doctrine/coding-standard[12.0.0]. - Root composer.json requires slevomat/coding-standard dev-master#f2cc4c553eae68772624ffd7dd99022343b69c31 as 8.11.9999 -> satisfiable by slevomat/coding-standard[dev-master]. - doctrine/coding-standard 12.0.0 requires squizlabs/php_codesniffer ^3.7 -> satisfiable by squizlabs/php_codesniffer[3.7.0, ..., 3.13.4]. - slevomat/coding-standard dev-master requires squizlabs/php_codesniffer ^4.0.0 -> satisfiable by squizlabs/php_codesniffer[4.0.0]. - You can only install one version of a package, so only one of these can be installed: squizlabs/php_codesniffer[2.0.0, ..., 2.9.2, 3.0.0, ..., 3.13.4, 4.0.0].

Process completed with exit code 2.

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires doctrine/coding-standard ^12.0 -> satisfiable by doctrine/coding-standard[12.0.0]. - Root composer.json requires slevomat/coding-standard dev-master#f2cc4c553eae68772624ffd7dd99022343b69c31 as 8.11.9999 -> satisfiable by slevomat/coding-standard[dev-master]. - doctrine/coding-standard 12.0.0 requires squizlabs/php_codesniffer ^3.7 -> satisfiable by squizlabs/php_codesniffer[3.7.0, ..., 3.13.4]. - slevomat/coding-standard dev-master requires squizlabs/php_codesniffer ^4.0.0 -> satisfiable by squizlabs/php_codesniffer[4.0.0]. - You can only install one version of a package, so only one of these can be installed: squizlabs/php_codesniffer[2.0.0, ..., 2.9.2, 3.0.0, ..., 3.13.4, 4.0.0].

Process completed with exit code 2.

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires doctrine/coding-standard ^12.0 -> satisfiable by doctrine/coding-standard[12.0.0]. - Root composer.json requires slevomat/coding-standard dev-master#f2cc4c553eae68772624ffd7dd99022343b69c31 as 8.11.9999 -> satisfiable by slevomat/coding-standard[dev-master]. - doctrine/coding-standard 12.0.0 requires squizlabs/php_codesniffer ^3.7 -> satisfiable by squizlabs/php_codesniffer[3.7.0, ..., 3.13.4]. - slevomat/coding-standard dev-master requires squizlabs/php_codesniffer ^4.0.0 -> satisfiable by squizlabs/php_codesniffer[4.0.0]. - You can only install one version of a package, so only one of these can be installed: squizlabs/php_codesniffer[2.0.0, ..., 2.9.2, 3.0.0, ..., 3.13.4, 4.0.0].

Process completed with exit code 2.

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires doctrine/coding-standard ^12.0 -> satisfiable by doctrine/coding-standard[12.0.0]. - Root composer.json requires slevomat/coding-standard dev-master#f2cc4c553eae68772624ffd7dd99022343b69c31 as 8.11.9999 -> satisfiable by slevomat/coding-standard[dev-master]. - doctrine/coding-standard 12.0.0 requires squizlabs/php_codesniffer ^3.7 -> satisfiable by squizlabs/php_codesniffer[3.7.0, ..., 3.13.4]. - slevomat/coding-standard dev-master requires squizlabs/php_codesniffer ^4.0.0 -> satisfiable by squizlabs/php_codesniffer[4.0.0]. - You can only install one version of a package, so only one of these can be installed: squizlabs/php_codesniffer[2.0.0, ..., 2.9.2, 3.0.0, ..., 3.13.4, 4.0.0].

Process completed with exit code 2.

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires doctrine/coding-standard ^12.0 -> satisfiable by doctrine/coding-standard[12.0.0]. - Root composer.json requires slevomat/coding-standard dev-master#f2cc4c553eae68772624ffd7dd99022343b69c31 as 8.11.9999 -> satisfiable by slevomat/coding-standard[dev-master]. - doctrine/coding-standard 12.0.0 requires squizlabs/php_codesniffer ^3.7 -> satisfiable by squizlabs/php_codesniffer[3.7.0, ..., 3.13.4]. - slevomat/coding-standard dev-master requires squizlabs/php_codesniffer ^4.0.0 -> satisfiable by squizlabs/php_codesniffer[4.0.0]. - You can only install one version of a package, so only one of these can be installed: squizlabs/php_codesniffer[2.0.0, ..., 2.9.2, 3.0.0, ..., 3.13.4, 4.0.0].

Process completed with exit code 2.