diff --git a/tests/Composer/Test/Fixtures/installer/github-issues-7051.test b/tests/Composer/Test/Fixtures/installer/github-issues-7051.test
index ea365689d..55e758441 100644
--- a/tests/Composer/Test/Fixtures/installer/github-issues-7051.test
+++ b/tests/Composer/Test/Fixtures/installer/github-issues-7051.test
@@ -117,20 +117,25 @@ Your requirements could not be resolved to an installable set of packages.
   Problem 1
     - Conclusion: don't install friendsofphp/php-cs-fixer v2.10.5, learned rules:
         - friendsofphp/php-cs-fixer v2.10.5 requires symfony/console ^3.2 || ^4.0 -> satisfiable by symfony/console[v3.2.13, ..., v3.4.29].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - illuminate/console v5.2.25 requires symfony/console 3.1.* -> satisfiable by symfony/console[v3.1.9, v3.1.10].
         - Conclusion: don't install one of symfony/console[v3.1.10], friendsofphp/php-cs-fixer[v2.10.5] | install symfony/console[v3.4.29], learned rules:
         - friendsofphp/php-cs-fixer v2.10.5 requires symfony/console ^3.2 || ^4.0 -> satisfiable by symfony/console[v3.2.13, ..., v3.4.29].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - illuminate/queue v5.2.0 requires illuminate/console 5.2.* -> satisfiable by illuminate/console[v5.2.25, v5.2.26].
         - illuminate/console v5.2.26 requires symfony/console 2.8.* -> satisfiable by symfony/console[v2.8.7, v2.8.8].
         - Conclusion: don't install one of symfony/console[v2.8.7], friendsofphp/php-cs-fixer[v2.10.5] | install symfony/console[v3.4.29], learned rules:
         - friendsofphp/php-cs-fixer v2.10.5 requires symfony/console ^3.2 || ^4.0 -> satisfiable by symfony/console[v3.2.13, ..., v3.4.29].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - Conclusion: don't install symfony/console[v3.4.29] | install symfony/console[v2.8.8], learned rules:
         - illuminate/queue v5.2.0 requires illuminate/console 5.2.* -> satisfiable by illuminate/console[v5.2.25, v5.2.26].
         - illuminate/console v5.2.25 requires symfony/console 3.1.* -> satisfiable by symfony/console[v3.1.9, v3.1.10].
         - illuminate/console v5.2.26 requires symfony/console 2.8.* -> satisfiable by symfony/console[v2.8.7, v2.8.8].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - Root composer.json requires illuminate/queue * -> satisfiable by illuminate/queue[v5.2.0].
         - Conclusion: don't install one of symfony/console[v2.8.8], friendsofphp/php-cs-fixer[v2.10.5], learned rules:
         - friendsofphp/php-cs-fixer v2.10.5 requires symfony/console ^3.2 || ^4.0 -> satisfiable by symfony/console[v3.2.13, ..., v3.4.29].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - Root composer.json requires illuminate/queue * -> satisfiable by illuminate/queue[v5.2.0].
     - Conclusion: don't install symfony/console v3.4.29, learned rules:
         - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
@@ -138,100 +143,125 @@ Your requirements could not be resolved to an installable set of packages.
         - illuminate/queue v5.2.0 requires illuminate/console 5.2.* -> satisfiable by illuminate/console[v5.2.25, v5.2.26].
         - illuminate/console v5.2.25 requires symfony/console 3.1.* -> satisfiable by symfony/console[v3.1.9, v3.1.10].
         - illuminate/console v5.2.26 requires symfony/console 2.8.* -> satisfiable by symfony/console[v2.8.7, v2.8.8].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - Root composer.json requires illuminate/queue * -> satisfiable by illuminate/queue[v5.2.0].
     - Conclusion: don't install symfony/console v2.8.8, learned rules:
         - friendsofphp/php-cs-fixer v2.10.4 requires symfony/console ^3.2 || ^4.0 -> satisfiable by symfony/console[v3.2.13, ..., v3.4.29].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - Conclusion: don't install symfony/console v3.4.29, learned rules:
         - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - Conclusion: don't install symfony/console[v3.4.29] | install symfony/console[v2.8.8], learned rules:
         - illuminate/queue v5.2.0 requires illuminate/console 5.2.* -> satisfiable by illuminate/console[v5.2.25, v5.2.26].
         - illuminate/console v5.2.25 requires symfony/console 3.1.* -> satisfiable by symfony/console[v3.1.9, v3.1.10].
         - illuminate/console v5.2.26 requires symfony/console 2.8.* -> satisfiable by symfony/console[v2.8.7, v2.8.8].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - Root composer.json requires illuminate/queue * -> satisfiable by illuminate/queue[v5.2.0].
         - Root composer.json requires friendsofphp/php-cs-fixer * -> satisfiable by friendsofphp/php-cs-fixer[v2.10.4, v2.10.5].
         - Conclusion: don't install friendsofphp/php-cs-fixer v2.10.5, learned rules:
         - friendsofphp/php-cs-fixer v2.10.5 requires symfony/console ^3.2 || ^4.0 -> satisfiable by symfony/console[v3.2.13, ..., v3.4.29].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - illuminate/console v5.2.25 requires symfony/console 3.1.* -> satisfiable by symfony/console[v3.1.9, v3.1.10].
         - Conclusion: don't install one of symfony/console[v3.1.10], friendsofphp/php-cs-fixer[v2.10.5] | install symfony/console[v3.4.29], learned rules:
         - friendsofphp/php-cs-fixer v2.10.5 requires symfony/console ^3.2 || ^4.0 -> satisfiable by symfony/console[v3.2.13, ..., v3.4.29].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - illuminate/queue v5.2.0 requires illuminate/console 5.2.* -> satisfiable by illuminate/console[v5.2.25, v5.2.26].
         - illuminate/console v5.2.26 requires symfony/console 2.8.* -> satisfiable by symfony/console[v2.8.7, v2.8.8].
         - Conclusion: don't install one of symfony/console[v2.8.7], friendsofphp/php-cs-fixer[v2.10.5] | install symfony/console[v3.4.29], learned rules:
         - friendsofphp/php-cs-fixer v2.10.5 requires symfony/console ^3.2 || ^4.0 -> satisfiable by symfony/console[v3.2.13, ..., v3.4.29].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - Conclusion: don't install symfony/console[v3.4.29] | install symfony/console[v2.8.8], learned rules:
         - illuminate/queue v5.2.0 requires illuminate/console 5.2.* -> satisfiable by illuminate/console[v5.2.25, v5.2.26].
         - illuminate/console v5.2.25 requires symfony/console 3.1.* -> satisfiable by symfony/console[v3.1.9, v3.1.10].
         - illuminate/console v5.2.26 requires symfony/console 2.8.* -> satisfiable by symfony/console[v2.8.7, v2.8.8].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - Root composer.json requires illuminate/queue * -> satisfiable by illuminate/queue[v5.2.0].
         - Conclusion: don't install one of symfony/console[v2.8.8], friendsofphp/php-cs-fixer[v2.10.5], learned rules:
         - friendsofphp/php-cs-fixer v2.10.5 requires symfony/console ^3.2 || ^4.0 -> satisfiable by symfony/console[v3.2.13, ..., v3.4.29].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - Root composer.json requires illuminate/queue * -> satisfiable by illuminate/queue[v5.2.0].
     - Conclusion: don't install symfony/console v3.4.28, learned rules:
         - illuminate/queue v5.2.0 requires illuminate/console 5.2.* -> satisfiable by illuminate/console[v5.2.25, v5.2.26].
         - illuminate/console v5.2.25 requires symfony/console 3.1.* -> satisfiable by symfony/console[v3.1.9, v3.1.10].
         - illuminate/console v5.2.26 requires symfony/console 2.8.* -> satisfiable by symfony/console[v2.8.7, v2.8.8].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - Conclusion: don't install symfony/console v2.8.8, learned rules:
         - friendsofphp/php-cs-fixer v2.10.4 requires symfony/console ^3.2 || ^4.0 -> satisfiable by symfony/console[v3.2.13, ..., v3.4.29].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - Conclusion: don't install symfony/console v3.4.29, learned rules:
         - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - Conclusion: don't install symfony/console[v3.4.29] | install symfony/console[v2.8.8], learned rules:
         - illuminate/queue v5.2.0 requires illuminate/console 5.2.* -> satisfiable by illuminate/console[v5.2.25, v5.2.26].
         - illuminate/console v5.2.25 requires symfony/console 3.1.* -> satisfiable by symfony/console[v3.1.9, v3.1.10].
         - illuminate/console v5.2.26 requires symfony/console 2.8.* -> satisfiable by symfony/console[v2.8.7, v2.8.8].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - Root composer.json requires illuminate/queue * -> satisfiable by illuminate/queue[v5.2.0].
         - Root composer.json requires friendsofphp/php-cs-fixer * -> satisfiable by friendsofphp/php-cs-fixer[v2.10.4, v2.10.5].
         - Conclusion: don't install friendsofphp/php-cs-fixer v2.10.5, learned rules:
         - friendsofphp/php-cs-fixer v2.10.5 requires symfony/console ^3.2 || ^4.0 -> satisfiable by symfony/console[v3.2.13, ..., v3.4.29].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - illuminate/console v5.2.25 requires symfony/console 3.1.* -> satisfiable by symfony/console[v3.1.9, v3.1.10].
         - Conclusion: don't install one of symfony/console[v3.1.10], friendsofphp/php-cs-fixer[v2.10.5] | install symfony/console[v3.4.29], learned rules:
         - friendsofphp/php-cs-fixer v2.10.5 requires symfony/console ^3.2 || ^4.0 -> satisfiable by symfony/console[v3.2.13, ..., v3.4.29].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - illuminate/queue v5.2.0 requires illuminate/console 5.2.* -> satisfiable by illuminate/console[v5.2.25, v5.2.26].
         - illuminate/console v5.2.26 requires symfony/console 2.8.* -> satisfiable by symfony/console[v2.8.7, v2.8.8].
         - Conclusion: don't install one of symfony/console[v2.8.7], friendsofphp/php-cs-fixer[v2.10.5] | install symfony/console[v3.4.29], learned rules:
         - friendsofphp/php-cs-fixer v2.10.5 requires symfony/console ^3.2 || ^4.0 -> satisfiable by symfony/console[v3.2.13, ..., v3.4.29].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - Conclusion: don't install symfony/console[v3.4.29] | install symfony/console[v2.8.8], learned rules:
         - illuminate/queue v5.2.0 requires illuminate/console 5.2.* -> satisfiable by illuminate/console[v5.2.25, v5.2.26].
         - illuminate/console v5.2.25 requires symfony/console 3.1.* -> satisfiable by symfony/console[v3.1.9, v3.1.10].
         - illuminate/console v5.2.26 requires symfony/console 2.8.* -> satisfiable by symfony/console[v2.8.7, v2.8.8].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - Root composer.json requires illuminate/queue * -> satisfiable by illuminate/queue[v5.2.0].
         - Conclusion: don't install one of symfony/console[v2.8.8], friendsofphp/php-cs-fixer[v2.10.5], learned rules:
         - friendsofphp/php-cs-fixer v2.10.5 requires symfony/console ^3.2 || ^4.0 -> satisfiable by symfony/console[v3.2.13, ..., v3.4.29].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - Root composer.json requires illuminate/queue * -> satisfiable by illuminate/queue[v5.2.0].
         - Root composer.json requires illuminate/queue * -> satisfiable by illuminate/queue[v5.2.0].
     - illuminate/queue v5.2.0 requires illuminate/console 5.2.* -> satisfiable by illuminate/console[v5.2.25, v5.2.26].
     - illuminate/console v5.2.26 requires symfony/console 2.8.* -> satisfiable by symfony/console[v2.8.7, v2.8.8].
     - Conclusion: don't install symfony/console v2.8.7, learned rules:
         - friendsofphp/php-cs-fixer v2.10.4 requires symfony/console ^3.2 || ^4.0 -> satisfiable by symfony/console[v3.2.13, ..., v3.4.29].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - Conclusion: don't install symfony/console v3.4.28, learned rules:
         - illuminate/queue v5.2.0 requires illuminate/console 5.2.* -> satisfiable by illuminate/console[v5.2.25, v5.2.26].
         - illuminate/console v5.2.25 requires symfony/console 3.1.* -> satisfiable by symfony/console[v3.1.9, v3.1.10].
         - illuminate/console v5.2.26 requires symfony/console 2.8.* -> satisfiable by symfony/console[v2.8.7, v2.8.8].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - Conclusion: don't install symfony/console v2.8.8, learned rules:
         - friendsofphp/php-cs-fixer v2.10.4 requires symfony/console ^3.2 || ^4.0 -> satisfiable by symfony/console[v3.2.13, ..., v3.4.29].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - Conclusion: don't install symfony/console v3.4.29, learned rules:
         - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - Conclusion: don't install symfony/console[v3.4.29] | install symfony/console[v2.8.8], learned rules:
         - illuminate/queue v5.2.0 requires illuminate/console 5.2.* -> satisfiable by illuminate/console[v5.2.25, v5.2.26].
         - illuminate/console v5.2.25 requires symfony/console 3.1.* -> satisfiable by symfony/console[v3.1.9, v3.1.10].
         - illuminate/console v5.2.26 requires symfony/console 2.8.* -> satisfiable by symfony/console[v2.8.7, v2.8.8].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - Root composer.json requires illuminate/queue * -> satisfiable by illuminate/queue[v5.2.0].
         - Root composer.json requires friendsofphp/php-cs-fixer * -> satisfiable by friendsofphp/php-cs-fixer[v2.10.4, v2.10.5].
         - Conclusion: don't install friendsofphp/php-cs-fixer v2.10.5, learned rules:
         - friendsofphp/php-cs-fixer v2.10.5 requires symfony/console ^3.2 || ^4.0 -> satisfiable by symfony/console[v3.2.13, ..., v3.4.29].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - illuminate/console v5.2.25 requires symfony/console 3.1.* -> satisfiable by symfony/console[v3.1.9, v3.1.10].
         - Conclusion: don't install one of symfony/console[v3.1.10], friendsofphp/php-cs-fixer[v2.10.5] | install symfony/console[v3.4.29], learned rules:
         - friendsofphp/php-cs-fixer v2.10.5 requires symfony/console ^3.2 || ^4.0 -> satisfiable by symfony/console[v3.2.13, ..., v3.4.29].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - illuminate/queue v5.2.0 requires illuminate/console 5.2.* -> satisfiable by illuminate/console[v5.2.25, v5.2.26].
         - illuminate/console v5.2.26 requires symfony/console 2.8.* -> satisfiable by symfony/console[v2.8.7, v2.8.8].
         - Conclusion: don't install one of symfony/console[v2.8.7], friendsofphp/php-cs-fixer[v2.10.5] | install symfony/console[v3.4.29], learned rules:
         - friendsofphp/php-cs-fixer v2.10.5 requires symfony/console ^3.2 || ^4.0 -> satisfiable by symfony/console[v3.2.13, ..., v3.4.29].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - Conclusion: don't install symfony/console[v3.4.29] | install symfony/console[v2.8.8], learned rules:
         - illuminate/queue v5.2.0 requires illuminate/console 5.2.* -> satisfiable by illuminate/console[v5.2.25, v5.2.26].
         - illuminate/console v5.2.25 requires symfony/console 3.1.* -> satisfiable by symfony/console[v3.1.9, v3.1.10].
         - illuminate/console v5.2.26 requires symfony/console 2.8.* -> satisfiable by symfony/console[v2.8.7, v2.8.8].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - Root composer.json requires illuminate/queue * -> satisfiable by illuminate/queue[v5.2.0].
         - Conclusion: don't install one of symfony/console[v2.8.8], friendsofphp/php-cs-fixer[v2.10.5], learned rules:
         - friendsofphp/php-cs-fixer v2.10.5 requires symfony/console ^3.2 || ^4.0 -> satisfiable by symfony/console[v3.2.13, ..., v3.4.29].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - Root composer.json requires illuminate/queue * -> satisfiable by illuminate/queue[v5.2.0].
         - Root composer.json requires illuminate/queue * -> satisfiable by illuminate/queue[v5.2.0].
         - Conclusion: don't install symfony/console v3.4.29, learned rules:
@@ -240,24 +270,30 @@ Your requirements could not be resolved to an installable set of packages.
         - illuminate/queue v5.2.0 requires illuminate/console 5.2.* -> satisfiable by illuminate/console[v5.2.25, v5.2.26].
         - illuminate/console v5.2.25 requires symfony/console 3.1.* -> satisfiable by symfony/console[v3.1.9, v3.1.10].
         - illuminate/console v5.2.26 requires symfony/console 2.8.* -> satisfiable by symfony/console[v2.8.7, v2.8.8].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - Root composer.json requires illuminate/queue * -> satisfiable by illuminate/queue[v5.2.0].
         - Root composer.json requires friendsofphp/php-cs-fixer * -> satisfiable by friendsofphp/php-cs-fixer[v2.10.4, v2.10.5].
         - Conclusion: don't install friendsofphp/php-cs-fixer v2.10.5, learned rules:
         - friendsofphp/php-cs-fixer v2.10.5 requires symfony/console ^3.2 || ^4.0 -> satisfiable by symfony/console[v3.2.13, ..., v3.4.29].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - illuminate/console v5.2.25 requires symfony/console 3.1.* -> satisfiable by symfony/console[v3.1.9, v3.1.10].
         - Conclusion: don't install one of symfony/console[v3.1.10], friendsofphp/php-cs-fixer[v2.10.5] | install symfony/console[v3.4.29], learned rules:
         - friendsofphp/php-cs-fixer v2.10.5 requires symfony/console ^3.2 || ^4.0 -> satisfiable by symfony/console[v3.2.13, ..., v3.4.29].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - illuminate/queue v5.2.0 requires illuminate/console 5.2.* -> satisfiable by illuminate/console[v5.2.25, v5.2.26].
         - illuminate/console v5.2.26 requires symfony/console 2.8.* -> satisfiable by symfony/console[v2.8.7, v2.8.8].
         - Conclusion: don't install one of symfony/console[v2.8.7], friendsofphp/php-cs-fixer[v2.10.5] | install symfony/console[v3.4.29], learned rules:
         - friendsofphp/php-cs-fixer v2.10.5 requires symfony/console ^3.2 || ^4.0 -> satisfiable by symfony/console[v3.2.13, ..., v3.4.29].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - Conclusion: don't install symfony/console[v3.4.29] | install symfony/console[v2.8.8], learned rules:
         - illuminate/queue v5.2.0 requires illuminate/console 5.2.* -> satisfiable by illuminate/console[v5.2.25, v5.2.26].
         - illuminate/console v5.2.25 requires symfony/console 3.1.* -> satisfiable by symfony/console[v3.1.9, v3.1.10].
         - illuminate/console v5.2.26 requires symfony/console 2.8.* -> satisfiable by symfony/console[v2.8.7, v2.8.8].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - Root composer.json requires illuminate/queue * -> satisfiable by illuminate/queue[v5.2.0].
         - Conclusion: don't install one of symfony/console[v2.8.8], friendsofphp/php-cs-fixer[v2.10.5], learned rules:
         - friendsofphp/php-cs-fixer v2.10.5 requires symfony/console ^3.2 || ^4.0 -> satisfiable by symfony/console[v3.2.13, ..., v3.4.29].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - Root composer.json requires illuminate/queue * -> satisfiable by illuminate/queue[v5.2.0].
     - Root composer.json requires friendsofphp/php-cs-fixer * -> satisfiable by friendsofphp/php-cs-fixer[v2.10.4, v2.10.5].
     - Root composer.json requires illuminate/queue * -> satisfiable by illuminate/queue[v5.2.0].
@@ -266,64 +302,40 @@ Your requirements could not be resolved to an installable set of packages.
     - illuminate/console v5.2.25 requires symfony/console 3.1.* -> satisfiable by symfony/console[v3.1.9, v3.1.10].
     - Conclusion: don't install symfony/console v3.1.10, learned rules:
         - friendsofphp/php-cs-fixer v2.10.4 requires symfony/console ^3.2 || ^4.0 -> satisfiable by symfony/console[v3.2.13, ..., v3.4.29].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - Conclusion: don't install symfony/console v3.4.28, learned rules:
         - illuminate/queue v5.2.0 requires illuminate/console 5.2.* -> satisfiable by illuminate/console[v5.2.25, v5.2.26].
         - illuminate/console v5.2.25 requires symfony/console 3.1.* -> satisfiable by symfony/console[v3.1.9, v3.1.10].
         - illuminate/console v5.2.26 requires symfony/console 2.8.* -> satisfiable by symfony/console[v2.8.7, v2.8.8].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - Conclusion: don't install symfony/console v2.8.8, learned rules:
         - friendsofphp/php-cs-fixer v2.10.4 requires symfony/console ^3.2 || ^4.0 -> satisfiable by symfony/console[v3.2.13, ..., v3.4.29].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - Conclusion: don't install symfony/console v3.4.29, learned rules:
         - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - Conclusion: don't install symfony/console[v3.4.29] | install symfony/console[v2.8.8], learned rules:
         - illuminate/queue v5.2.0 requires illuminate/console 5.2.* -> satisfiable by illuminate/console[v5.2.25, v5.2.26].
         - illuminate/console v5.2.25 requires symfony/console 3.1.* -> satisfiable by symfony/console[v3.1.9, v3.1.10].
         - illuminate/console v5.2.26 requires symfony/console 2.8.* -> satisfiable by symfony/console[v2.8.7, v2.8.8].
-        - Root composer.json requires illuminate/queue * -> satisfiable by illuminate/queue[v5.2.0].
-        - Root composer.json requires friendsofphp/php-cs-fixer * -> satisfiable by friendsofphp/php-cs-fixer[v2.10.4, v2.10.5].
-        - Conclusion: don't install friendsofphp/php-cs-fixer v2.10.5, learned rules:
-        - friendsofphp/php-cs-fixer v2.10.5 requires symfony/console ^3.2 || ^4.0 -> satisfiable by symfony/console[v3.2.13, ..., v3.4.29].
-        - illuminate/console v5.2.25 requires symfony/console 3.1.* -> satisfiable by symfony/console[v3.1.9, v3.1.10].
-        - Conclusion: don't install one of symfony/console[v3.1.10], friendsofphp/php-cs-fixer[v2.10.5] | install symfony/console[v3.4.29], learned rules:
-        - friendsofphp/php-cs-fixer v2.10.5 requires symfony/console ^3.2 || ^4.0 -> satisfiable by symfony/console[v3.2.13, ..., v3.4.29].
-        - illuminate/queue v5.2.0 requires illuminate/console 5.2.* -> satisfiable by illuminate/console[v5.2.25, v5.2.26].
-        - illuminate/console v5.2.26 requires symfony/console 2.8.* -> satisfiable by symfony/console[v2.8.7, v2.8.8].
-        - Conclusion: don't install one of symfony/console[v2.8.7], friendsofphp/php-cs-fixer[v2.10.5] | install symfony/console[v3.4.29], learned rules:
-        - friendsofphp/php-cs-fixer v2.10.5 requires symfony/console ^3.2 || ^4.0 -> satisfiable by symfony/console[v3.2.13, ..., v3.4.29].
-        - Conclusion: don't install symfony/console[v3.4.29] | install symfony/console[v2.8.8], learned rules:
-        - illuminate/queue v5.2.0 requires illuminate/console 5.2.* -> satisfiable by illuminate/console[v5.2.25, v5.2.26].
-        - illuminate/console v5.2.25 requires symfony/console 3.1.* -> satisfiable by symfony/console[v3.1.9, v3.1.10].
-        - illuminate/console v5.2.26 requires symfony/console 2.8.* -> satisfiable by symfony/console[v2.8.7, v2.8.8].
-        - Root composer.json requires illuminate/queue * -> satisfiable by illuminate/queue[v5.2.0].
-        - Conclusion: don't install one of symfony/console[v2.8.8], friendsofphp/php-cs-fixer[v2.10.5], learned rules:
-        - friendsofphp/php-cs-fixer v2.10.5 requires symfony/console ^3.2 || ^4.0 -> satisfiable by symfony/console[v3.2.13, ..., v3.4.29].
-        - Root composer.json requires illuminate/queue * -> satisfiable by illuminate/queue[v5.2.0].
-        - Root composer.json requires illuminate/queue * -> satisfiable by illuminate/queue[v5.2.0].
-        - Conclusion: don't install symfony/console v3.4.29, learned rules:
         - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
-        - Conclusion: don't install symfony/console[v3.4.29] | install symfony/console[v2.8.8], learned rules:
-        - illuminate/queue v5.2.0 requires illuminate/console 5.2.* -> satisfiable by illuminate/console[v5.2.25, v5.2.26].
-        - illuminate/console v5.2.25 requires symfony/console 3.1.* -> satisfiable by symfony/console[v3.1.9, v3.1.10].
-        - illuminate/console v5.2.26 requires symfony/console 2.8.* -> satisfiable by symfony/console[v2.8.7, v2.8.8].
         - Root composer.json requires illuminate/queue * -> satisfiable by illuminate/queue[v5.2.0].
         - Root composer.json requires friendsofphp/php-cs-fixer * -> satisfiable by friendsofphp/php-cs-fixer[v2.10.4, v2.10.5].
         - Conclusion: don't install friendsofphp/php-cs-fixer v2.10.5, learned rules:
         - friendsofphp/php-cs-fixer v2.10.5 requires symfony/console ^3.2 || ^4.0 -> satisfiable by symfony/console[v3.2.13, ..., v3.4.29].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - illuminate/console v5.2.25 requires symfony/console 3.1.* -> satisfiable by symfony/console[v3.1.9, v3.1.10].
         - Conclusion: don't install one of symfony/console[v3.1.10], friendsofphp/php-cs-fixer[v2.10.5] | install symfony/console[v3.4.29], learned rules:
-        - friendsofphp/php-cs-fixer v2.10.5 requires symfony/console ^3.2 || ^4.0 -> satisfiable by symfony/console[v3.2.13, ..., v3.4.29].
-        - illuminate/queue v5.2.0 requires illuminate/console 5.2.* -> satisfiable by illuminate/console[v5.2.25, v5.2.26].
-        - illuminate/console v5.2.26 requires symfony/console 2.8.* -> satisfiable by symfony/console[v2.8.7, v2.8.8].
-        - Conclusion: don't install one of symfony/console[v2.8.7], friendsofphp/php-cs-fixer[v2.10.5] | install symfony/console[v3.4.29], learned rules:
-        - friendsofphp/php-cs-fixer v2.10.5 requires symfony/console ^3.2 || ^4.0 -> satisfiable by symfony/console[v3.2.13, ..., v3.4.29].
+        %A
         - Conclusion: don't install symfony/console[v3.4.29] | install symfony/console[v2.8.8], learned rules:
         - illuminate/queue v5.2.0 requires illuminate/console 5.2.* -> satisfiable by illuminate/console[v5.2.25, v5.2.26].
         - illuminate/console v5.2.25 requires symfony/console 3.1.* -> satisfiable by symfony/console[v3.1.9, v3.1.10].
         - illuminate/console v5.2.26 requires symfony/console 2.8.* -> satisfiable by symfony/console[v2.8.7, v2.8.8].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - Root composer.json requires illuminate/queue * -> satisfiable by illuminate/queue[v5.2.0].
         - Conclusion: don't install one of symfony/console[v2.8.8], friendsofphp/php-cs-fixer[v2.10.5], learned rules:
         - friendsofphp/php-cs-fixer v2.10.5 requires symfony/console ^3.2 || ^4.0 -> satisfiable by symfony/console[v3.2.13, ..., v3.4.29].
+        - You can only install one version of a package, so only one of these can be installed: symfony/console[v2.8.7, v2.8.8, v3.1.9, ..., v3.4.29].
         - Root composer.json requires illuminate/queue * -> satisfiable by illuminate/queue[v5.2.0].
-
 --EXPECT--
 
 --EXPECT-EXIT-CODE--