diff --git a/.docker/build-image b/.docker/build-image
index f2b67a62..49fd9d07 100755
--- a/.docker/build-image
+++ b/.docker/build-image
@@ -22,6 +22,7 @@ load_docker_variables () {
 build_docker_image () {
     set -e
     time docker build --file $DOCKER_FILE --tag $DOCKER_TAG $APP_DIR
+    docker run --rm -it $DOCKER_TAG phpqa tools
 
     if [ -z "$TRAVIS_TAG" ]; then
         echo "Docker image is published only if the current build is for a git tag"
diff --git a/.travis.yml b/.travis.yml
index 5902aa6b..06494427 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,6 +12,7 @@ matrix:
     - php: 7.1
     - php: 7.2
     - php: 7.3
+    - php: 7.4
 install:
   - if [ -n "$GITHUB_OAUTH_TOKEN" ]; then composer config -g github-oauth.github.com ${GITHUB_OAUTH_TOKEN}; fi;
   - composer install --no-interaction
@@ -30,20 +31,21 @@ install:
         composer require sensiolabs/security-checker:~5;
     fi
     # test installing suggested tools like docker image
-    if [[ ${TRAVIS_PHP_VERSION:0:3} == "7.0" ]]; then
+    if [[ ${TRAVIS_PHP_VERSION:0:3} == "7.2" ]]; then
         bin/suggested-tools.sh install --prefer-dist;
     fi
 script:
   - vendor/phpunit/phpunit/phpunit
   - ./phpqa tools
   - bin/ci.sh
+  - ls -lAh build
 deploy:
   - provider: script
     script: .docker/build-image
     skip_cleanup: false
     on:
       all_branches: true
-      php: 7.0
+      php: 7.2
 # http://blog.wyrihaximus.net/2015/07/composer-cache-on-travis/
 cache:
   directories:
diff --git a/bin/suggested-tools.sh b/bin/suggested-tools.sh
index 6c5fc28f..ac9487dd 100755
--- a/bin/suggested-tools.sh
+++ b/bin/suggested-tools.sh
@@ -13,7 +13,7 @@ then
     echo "Installing suggested tools"
     if [ ! -z "$requireMode" ]; then
         # docker build OR travis + php 7.0 OR symfony2 (default composer.lock)
-        composer require symfony/filesystem:~2 symfony/process:~2 symfony/finder:~2 jakub-onderka/php-parallel-lint jakub-onderka/php-console-highlighter phpstan/phpstan:~0.8.0 friendsofphp/php-cs-fixer:~2.2 vimeo/psalm:~1 sensiolabs/security-checker:~5 $requireMode
+        composer require symfony/filesystem:~2 symfony/process:~2 symfony/finder:~2 jakub-onderka/php-parallel-lint jakub-onderka/php-console-highlighter phpstan/phpstan:~0.12.0 nette/neon friendsofphp/php-cs-fixer:~2.2 vimeo/psalm:~1 sensiolabs/security-checker:~5 $requireMode 
     else
         # symfony 3
         composer require jakub-onderka/php-parallel-lint jakub-onderka/php-console-highlighter phpstan/phpstan nette/neon friendsofphp/php-cs-fixer:~2.2 vimeo/psalm sensiolabs/security-checker
diff --git a/composer.lock b/composer.lock
index 8e6a646e..9dc49fbf 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1839,16 +1839,16 @@
         },
         {
             "name": "twig/twig",
-            "version": "v1.38.4",
+            "version": "v1.42.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/twigphp/Twig.git",
-                "reference": "7732e9e7017d751313811bd118de61302e9c8b35"
+                "reference": "21707d6ebd05476854805e4f91b836531941bcd4"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/twigphp/Twig/zipball/7732e9e7017d751313811bd118de61302e9c8b35",
-                "reference": "7732e9e7017d751313811bd118de61302e9c8b35",
+                "url": "https://api.github.com/repos/twigphp/Twig/zipball/21707d6ebd05476854805e4f91b836531941bcd4",
+                "reference": "21707d6ebd05476854805e4f91b836531941bcd4",
                 "shasum": ""
             },
             "require": {
@@ -1858,12 +1858,12 @@
             "require-dev": {
                 "psr/container": "^1.0",
                 "symfony/debug": "^2.7",
-                "symfony/phpunit-bridge": "^3.4.19|^4.1.8"
+                "symfony/phpunit-bridge": "^3.4.19|^4.1.8|^5.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.38-dev"
+                    "dev-master": "1.42-dev"
                 }
             },
             "autoload": {
@@ -1901,7 +1901,7 @@
             "keywords": [
                 "templating"
             ],
-            "time": "2019-03-23T14:27:19+00:00"
+            "time": "2019-06-18T15:35:16+00:00"
         }
     ],
     "packages-dev": [
diff --git a/src/RunningTool.php b/src/RunningTool.php
index f59b0513..17c5282a 100644
--- a/src/RunningTool.php
+++ b/src/RunningTool.php
@@ -84,11 +84,14 @@ public function analyzeResult($hasNoOutput = false)
         } elseif (!$xpath) {
             return [true, ''];
         } elseif (!file_exists($this->getMainXml())) {
-            return [false, 0];
+            return [$this->areErrorsIgnored(), "XML [{$this->getMainXml()}] not found"];
         }
 
-        $xml = simplexml_load_file($this->getMainXml());
-        $errorsCount = count($xml->xpath($xpath));
+        list($isInvalidXml, $xpathOrError) = xmlXpath($this->getMainXml(), $xpath);
+        if ($isInvalidXml) {
+            return [$this->areErrorsIgnored(), $xpathOrError];
+        }
+        $errorsCount = count($xpathOrError);
         return $this->evaluteErrorsCount($errorsCount);
     }
 
diff --git a/src/report.php b/src/report.php
index c390b2e9..b7712db7 100644
--- a/src/report.php
+++ b/src/report.php
@@ -48,6 +48,17 @@ function xmlToHtml(array $xmlDocuments, $style, $outputFile, array $params = [])
     }
 }
 
+function xmlXpath($xmlFile, $xpathQuery)
+{
+    convertPhpErrorsToExceptions();
+    try {
+        $xml = simplexml_load_file($xmlFile);
+        return [false, $xml->xpath($xpathQuery)];
+    } catch (Exception $e) {
+        return [true, $e->getMessage()];
+    }
+}
+
 function convertPhpErrorsToExceptions()
 {
     static $isNotLoaded = true;
diff --git a/tests/.travis/.phpqa.yml b/tests/.travis/.phpqa.yml
index c3be8c27..3fd9edd3 100644
--- a/tests/.travis/.phpqa.yml
+++ b/tests/.travis/.phpqa.yml
@@ -14,7 +14,7 @@ phpqa:
         - phpmetrics:0
         - phploc
         - phpcs:0
-        - php-cs-fixer:0
+        - php-cs-fixer
         - phpmd:0
         - pdepend
         - phpcpd:0
diff --git a/tests/RunningToolTest.php b/tests/RunningToolTest.php
index cb84c556..584bb264 100644
--- a/tests/RunningToolTest.php
+++ b/tests/RunningToolTest.php
@@ -20,13 +20,25 @@ public function testMarkSuccessWhenXPathIsNotDefined()
         assertThat($tool->analyzeResult(), is([true, '']));
     }
 
-    public function testMarkFailureWhenXmlFileDoesNotExist()
+    /** @dataProvider provideAllowedErrorsForNonexistentFile */
+    public function testMarkFailureWhenXmlFileDoesNotExist($allowedErrors, $expectedIsOk)
     {
         $tool = new RunningTool('tool', [
             'xml' => ['non-existent.xml'],
             'errorsXPath' => '//errors/error',
+            'allowedErrorsCount' => $allowedErrors,
         ]);
-        assertThat($tool->analyzeResult(), is([false, 0]));
+        list($isOk, $error) = $tool->analyzeResult();
+        assertThat($isOk, is($expectedIsOk));
+        assertThat($error, containsString('not found'));
+    }
+
+    public function provideAllowedErrorsForNonexistentFile()
+    {
+        return [
+            'success when allowed errors are not defined' => [null, true],
+            'success when errors count are defined' => [$this->errorsCountInXmlFile, false],
+        ];
     }
 
     /** @dataProvider provideAllowedErrors */