diff --git a/compiler/integration-tests/src/org/jetbrains/kotlin/KotlinIntegrationTestBase.java b/compiler/integration-tests/src/org/jetbrains/kotlin/KotlinIntegrationTestBase.java
index 067044153e1..7ac3f89692b 100644
--- a/compiler/integration-tests/src/org/jetbrains/kotlin/KotlinIntegrationTestBase.java
+++ b/compiler/integration-tests/src/org/jetbrains/kotlin/KotlinIntegrationTestBase.java
@@ -19,13 +19,10 @@ package org.jetbrains.kotlin;
 import com.google.common.base.Charsets;
 import com.google.common.io.Files;
 import com.intellij.execution.ExecutionException;
+import com.intellij.execution.OutputListener;
 import com.intellij.execution.configurations.GeneralCommandLine;
 import com.intellij.execution.process.OSProcessHandler;
-import com.intellij.execution.process.ProcessAdapter;
-import com.intellij.execution.process.ProcessEvent;
-import com.intellij.execution.process.ProcessOutputTypes;
 import com.intellij.openapi.application.PathManager;
-import com.intellij.openapi.util.Key;
 import com.intellij.openapi.util.SystemInfo;
 import com.intellij.openapi.util.io.FileUtil;
 import com.intellij.openapi.util.text.StringUtil;
@@ -119,6 +116,7 @@ public abstract class KotlinIntegrationTestBase {
         content = normalizePath(content, testDataDir, "[TestData]");
         content = normalizePath(content, tmpdir.getTmpDir(), "[Temp]");
         content = normalizePath(content, getCompilerLib(), "[CompilerLib]");
+        content = StringUtil.convertLineSeparators(content);
         return content;
     }
 
@@ -135,6 +133,7 @@ public abstract class KotlinIntegrationTestBase {
         else {
             try {
                 JetTestUtils.assertEqualsToFile(expectedFile, normalizedContent);
+                //noinspection ResultOfMethodCallIgnored
                 actualFile.delete();
             }
             catch (ComparisonFailure e) {
@@ -148,41 +147,30 @@ public abstract class KotlinIntegrationTestBase {
         OSProcessHandler handler =
                 new OSProcessHandler(commandLine.createProcess(), commandLine.getCommandLineString(), commandLine.getCharset());
 
-        final StringBuilder outContent = new StringBuilder();
-        final StringBuilder errContent = new StringBuilder();
+        StringBuilder outContent = new StringBuilder();
+        StringBuilder errContent = new StringBuilder();
 
-        handler.addProcessListener(new ProcessAdapter() {
-            @Override
-            public void onTextAvailable(ProcessEvent event, Key outputType) {
-                if (outputType == ProcessOutputTypes.SYSTEM) {
-                    System.out.print(event.getText());
-                }
-                else if (outputType == ProcessOutputTypes.STDOUT) {
-                    appendToContent(outContent, "OUT ", event.getText());
-                }
-                else if (outputType == ProcessOutputTypes.STDERR) {
-                    appendToContent(errContent, "ERR ", event.getText());
-                }
-            }
-
-            private synchronized void appendToContent(StringBuilder content, String prefix, String line) {
-                content.append(prefix);
-                content.append(StringUtil.trimTrailing(line));
-                content.append("\n");
-            }
-        });
+        handler.addProcessListener(new OutputListener(outContent, errContent));
 
         handler.startNotify();
         handler.waitFor();
         int exitCode = handler.getProcess().exitValue();
 
-        executionLog.append(outContent);
-        executionLog.append(errContent);
-        executionLog.append("Return code: ").append(exitCode).append("\n");
+        appendIfNotEmpty(executionLog, "OUT:\n", outContent);
+        appendIfNotEmpty(executionLog, "\nERR:\n", errContent);
+
+        executionLog.append("\nReturn code: ").append(exitCode).append("\n");
 
         return exitCode;
     }
 
+    private static void appendIfNotEmpty(StringBuilder executionLog, String prefix, StringBuilder content) {
+        if (content.length() > 0) {
+            executionLog.append(prefix);
+            executionLog.append(content);
+        }
+    }
+
     protected static File getJavaRuntime() {
         File javaHome = new File(System.getProperty("java.home"));
         String javaExe = SystemInfo.isWindows ? "java.exe" : "java";
diff --git a/compiler/integration-tests/testData/antTaskJvm/build.log.expected b/compiler/integration-tests/testData/antTaskJvm/build.log.expected
index c71b096d7e8..34c09a5fcbf 100644
--- a/compiler/integration-tests/testData/antTaskJvm/build.log.expected
+++ b/compiler/integration-tests/testData/antTaskJvm/build.log.expected
@@ -1,8 +1,10 @@
-OUT Buildfile: [TestData]/build.xml
-OUT 
-OUT build:
-OUT   [kotlinc] Compiling [[[TestData]/hello.kt]] => [[Temp]/hello.jar]
-OUT 
-OUT BUILD SUCCESSFUL
-OUT Total time: [time]
+OUT:
+Buildfile: [TestData]/build.xml
+
+build:
+  [kotlinc] Compiling [[[TestData]/hello.kt]] => [[Temp]/hello.jar]
+
+BUILD SUCCESSFUL
+Total time: [time]
+
 Return code: 0
diff --git a/compiler/integration-tests/testData/antTaskJvm/hello.run.expected b/compiler/integration-tests/testData/antTaskJvm/hello.run.expected
index a408df3552b..96c6fc52793 100644
--- a/compiler/integration-tests/testData/antTaskJvm/hello.run.expected
+++ b/compiler/integration-tests/testData/antTaskJvm/hello.run.expected
@@ -1,2 +1,4 @@
-OUT Hello, a!
+OUT:
+Hello, a!
+
 Return code: 0
diff --git a/compiler/integration-tests/testData/antTaskJvmManyRoots/build.log.expected b/compiler/integration-tests/testData/antTaskJvmManyRoots/build.log.expected
index 7607db6a4ad..7dcbaeb2979 100644
--- a/compiler/integration-tests/testData/antTaskJvmManyRoots/build.log.expected
+++ b/compiler/integration-tests/testData/antTaskJvmManyRoots/build.log.expected
@@ -1,8 +1,10 @@
-OUT Buildfile: [TestData]/build.xml
-OUT 
-OUT build:
-OUT   [kotlinc] Compiling [[[TestData]/root1, [TestData]/root2]] => [[Temp]/hello.jar]
-OUT 
-OUT BUILD SUCCESSFUL
-OUT Total time: [time]
+OUT:
+Buildfile: [TestData]/build.xml
+
+build:
+  [kotlinc] Compiling [[[TestData]/root1, [TestData]/root2]] => [[Temp]/hello.jar]
+
+BUILD SUCCESSFUL
+Total time: [time]
+
 Return code: 0
diff --git a/compiler/integration-tests/testData/antTaskJvmManyRoots/hello.run.expected b/compiler/integration-tests/testData/antTaskJvmManyRoots/hello.run.expected
index a408df3552b..96c6fc52793 100644
--- a/compiler/integration-tests/testData/antTaskJvmManyRoots/hello.run.expected
+++ b/compiler/integration-tests/testData/antTaskJvmManyRoots/hello.run.expected
@@ -1,2 +1,4 @@
-OUT Hello, a!
+OUT:
+Hello, a!
+
 Return code: 0
diff --git a/compiler/integration-tests/testData/compilationFailed/hello.compile.expected b/compiler/integration-tests/testData/compilationFailed/hello.compile.expected
index 9b29ffd47d5..3a2a7c38bc3 100644
--- a/compiler/integration-tests/testData/compilationFailed/hello.compile.expected
+++ b/compiler/integration-tests/testData/compilationFailed/hello.compile.expected
@@ -1,3 +1,7 @@
-OUT ERROR: [TestData]/hello.kt: (4, 5) Unresolved reference: a
-ERR exec() finished with COMPILATION_ERROR return code
+OUT:
+ERROR: [TestData]/hello.kt: (4, 5) Unresolved reference: a
+
+ERR:
+exec() finished with COMPILATION_ERROR return code
+
 Return code: 1
diff --git a/compiler/integration-tests/testData/compileAndRunHelloApp/hello.run.expected b/compiler/integration-tests/testData/compileAndRunHelloApp/hello.run.expected
index fc47ec99014..fd58d467c30 100644
--- a/compiler/integration-tests/testData/compileAndRunHelloApp/hello.run.expected
+++ b/compiler/integration-tests/testData/compileAndRunHelloApp/hello.run.expected
@@ -1,2 +1,4 @@
-OUT Hello!
+OUT:
+Hello!
+
 Return code: 0
diff --git a/compiler/integration-tests/testData/compileAndRunModule/Smoke.run.expected b/compiler/integration-tests/testData/compileAndRunModule/Smoke.run.expected
index 83e2a5a6dc9..6960c2f4ace 100644
--- a/compiler/integration-tests/testData/compileAndRunModule/Smoke.run.expected
+++ b/compiler/integration-tests/testData/compileAndRunModule/Smoke.run.expected
@@ -1,2 +1,3 @@
-OUT 1|2|3
+OUT:
+1|2|3
 Return code: 0
diff --git a/compiler/integration-tests/testData/externalAnnotations/build.log.expected b/compiler/integration-tests/testData/externalAnnotations/build.log.expected
index bc21d11bbfc..a49d8d0e5d7 100644
--- a/compiler/integration-tests/testData/externalAnnotations/build.log.expected
+++ b/compiler/integration-tests/testData/externalAnnotations/build.log.expected
@@ -1,12 +1,14 @@
-OUT Buildfile: [TestData]/build.xml
-OUT 
-OUT build:
-OUT     [mkdir] Created dir: [Temp]/classes
-OUT     [javac] Compiling 1 source file to [Temp]/classes
-OUT     [javac] Compiling [[[TestData]/root1]] => [[Temp]/classes]
-OUT     [javac] Running javac...
-OUT       [jar] Building jar: [Temp]/hello.jar
-OUT 
-OUT BUILD SUCCESSFUL
-OUT Total time: [time]
+OUT:
+Buildfile: [TestData]/build.xml
+
+build:
+    [mkdir] Created dir: [Temp]/classes
+    [javac] Compiling 1 source file to [Temp]/classes
+    [javac] Compiling [[[TestData]/root1]] => [[Temp]/classes]
+    [javac] Running javac...
+      [jar] Building jar: [Temp]/hello.jar
+
+BUILD SUCCESSFUL
+Total time: [time]
+
 Return code: 0
diff --git a/compiler/integration-tests/testData/externalAnnotations/hello.run.expected b/compiler/integration-tests/testData/externalAnnotations/hello.run.expected
index de564d891df..f36d0378368 100644
--- a/compiler/integration-tests/testData/externalAnnotations/hello.run.expected
+++ b/compiler/integration-tests/testData/externalAnnotations/hello.run.expected
@@ -1,3 +1,5 @@
-OUT Hello, a!
-OUT Java Hello
+OUT:
+Hello, a!
+Java Hello
+
 Return code: 0
diff --git a/compiler/integration-tests/testData/javacCompiler/build.log.expected b/compiler/integration-tests/testData/javacCompiler/build.log.expected
index bc21d11bbfc..a49d8d0e5d7 100644
--- a/compiler/integration-tests/testData/javacCompiler/build.log.expected
+++ b/compiler/integration-tests/testData/javacCompiler/build.log.expected
@@ -1,12 +1,14 @@
-OUT Buildfile: [TestData]/build.xml
-OUT 
-OUT build:
-OUT     [mkdir] Created dir: [Temp]/classes
-OUT     [javac] Compiling 1 source file to [Temp]/classes
-OUT     [javac] Compiling [[[TestData]/root1]] => [[Temp]/classes]
-OUT     [javac] Running javac...
-OUT       [jar] Building jar: [Temp]/hello.jar
-OUT 
-OUT BUILD SUCCESSFUL
-OUT Total time: [time]
+OUT:
+Buildfile: [TestData]/build.xml
+
+build:
+    [mkdir] Created dir: [Temp]/classes
+    [javac] Compiling 1 source file to [Temp]/classes
+    [javac] Compiling [[[TestData]/root1]] => [[Temp]/classes]
+    [javac] Running javac...
+      [jar] Building jar: [Temp]/hello.jar
+
+BUILD SUCCESSFUL
+Total time: [time]
+
 Return code: 0
diff --git a/compiler/integration-tests/testData/javacCompiler/hello.run.expected b/compiler/integration-tests/testData/javacCompiler/hello.run.expected
index a3346aed731..3f9a7b7bf67 100644
--- a/compiler/integration-tests/testData/javacCompiler/hello.run.expected
+++ b/compiler/integration-tests/testData/javacCompiler/hello.run.expected
@@ -1,3 +1,5 @@
-OUT Hello, a!
-OUT Java
+OUT:
+Hello, a!
+Java
+
 Return code: 0
diff --git a/compiler/integration-tests/testData/k2jsManySources/build.log.expected b/compiler/integration-tests/testData/k2jsManySources/build.log.expected
index 2f64f91c577..cd08097efff 100644
--- a/compiler/integration-tests/testData/k2jsManySources/build.log.expected
+++ b/compiler/integration-tests/testData/k2jsManySources/build.log.expected
@@ -1,8 +1,10 @@
-OUT Buildfile: [TestData]/build.xml
-OUT 
-OUT build:
-OUT [kotlin2js] Compiling [[TestData]/root1,[TestData]/bar.kt,[TestData]/root2/Foo.kt] => [[Temp]/out.js]
-OUT 
-OUT BUILD SUCCESSFUL
-OUT Total time: [time]
+OUT:
+Buildfile: [TestData]/build.xml
+
+build:
+[kotlin2js] Compiling [[TestData]/root1,[TestData]/bar.kt,[TestData]/root2/Foo.kt] => [[Temp]/out.js]
+
+BUILD SUCCESSFUL
+Total time: [time]
+
 Return code: 0
diff --git a/compiler/integration-tests/testData/k2jsSimple/build.log.expected b/compiler/integration-tests/testData/k2jsSimple/build.log.expected
index c29fac465a5..438f56679ca 100644
--- a/compiler/integration-tests/testData/k2jsSimple/build.log.expected
+++ b/compiler/integration-tests/testData/k2jsSimple/build.log.expected
@@ -1,8 +1,10 @@
-OUT Buildfile: [TestData]/build.xml
-OUT 
-OUT build:
-OUT [kotlin2js] Compiling [[TestData]/root1] => [[Temp]/out.js]
-OUT 
-OUT BUILD SUCCESSFUL
-OUT Total time: [time]
+OUT:
+Buildfile: [TestData]/build.xml
+
+build:
+[kotlin2js] Compiling [[TestData]/root1] => [[Temp]/out.js]
+
+BUILD SUCCESSFUL
+Total time: [time]
+
 Return code: 0
diff --git a/compiler/integration-tests/testData/k2jsWithMain/build.log.expected b/compiler/integration-tests/testData/k2jsWithMain/build.log.expected
index c29fac465a5..438f56679ca 100644
--- a/compiler/integration-tests/testData/k2jsWithMain/build.log.expected
+++ b/compiler/integration-tests/testData/k2jsWithMain/build.log.expected
@@ -1,8 +1,10 @@
-OUT Buildfile: [TestData]/build.xml
-OUT 
-OUT build:
-OUT [kotlin2js] Compiling [[TestData]/root1] => [[Temp]/out.js]
-OUT 
-OUT BUILD SUCCESSFUL
-OUT Total time: [time]
+OUT:
+Buildfile: [TestData]/build.xml
+
+build:
+[kotlin2js] Compiling [[TestData]/root1] => [[Temp]/out.js]
+
+BUILD SUCCESSFUL
+Total time: [time]
+
 Return code: 0
diff --git a/compiler/integration-tests/testData/k2jsWithPostfix/build.log.expected b/compiler/integration-tests/testData/k2jsWithPostfix/build.log.expected
index c29fac465a5..438f56679ca 100644
--- a/compiler/integration-tests/testData/k2jsWithPostfix/build.log.expected
+++ b/compiler/integration-tests/testData/k2jsWithPostfix/build.log.expected
@@ -1,8 +1,10 @@
-OUT Buildfile: [TestData]/build.xml
-OUT 
-OUT build:
-OUT [kotlin2js] Compiling [[TestData]/root1] => [[Temp]/out.js]
-OUT 
-OUT BUILD SUCCESSFUL
-OUT Total time: [time]
+OUT:
+Buildfile: [TestData]/build.xml
+
+build:
+[kotlin2js] Compiling [[TestData]/root1] => [[Temp]/out.js]
+
+BUILD SUCCESSFUL
+Total time: [time]
+
 Return code: 0
diff --git a/compiler/integration-tests/testData/k2jsWithPrefix/build.log.expected b/compiler/integration-tests/testData/k2jsWithPrefix/build.log.expected
index c29fac465a5..438f56679ca 100644
--- a/compiler/integration-tests/testData/k2jsWithPrefix/build.log.expected
+++ b/compiler/integration-tests/testData/k2jsWithPrefix/build.log.expected
@@ -1,8 +1,10 @@
-OUT Buildfile: [TestData]/build.xml
-OUT 
-OUT build:
-OUT [kotlin2js] Compiling [[TestData]/root1] => [[Temp]/out.js]
-OUT 
-OUT BUILD SUCCESSFUL
-OUT Total time: [time]
+OUT:
+Buildfile: [TestData]/build.xml
+
+build:
+[kotlin2js] Compiling [[TestData]/root1] => [[Temp]/out.js]
+
+BUILD SUCCESSFUL
+Total time: [time]
+
 Return code: 0
diff --git a/compiler/integration-tests/testData/k2jsWithPrefixAndPostfix/build.log.expected b/compiler/integration-tests/testData/k2jsWithPrefixAndPostfix/build.log.expected
index c29fac465a5..438f56679ca 100644
--- a/compiler/integration-tests/testData/k2jsWithPrefixAndPostfix/build.log.expected
+++ b/compiler/integration-tests/testData/k2jsWithPrefixAndPostfix/build.log.expected
@@ -1,8 +1,10 @@
-OUT Buildfile: [TestData]/build.xml
-OUT 
-OUT build:
-OUT [kotlin2js] Compiling [[TestData]/root1] => [[Temp]/out.js]
-OUT 
-OUT BUILD SUCCESSFUL
-OUT Total time: [time]
+OUT:
+Buildfile: [TestData]/build.xml
+
+build:
+[kotlin2js] Compiling [[TestData]/root1] => [[Temp]/out.js]
+
+BUILD SUCCESSFUL
+Total time: [time]
+
 Return code: 0
diff --git a/compiler/integration-tests/testData/k2jsWithSourcemap/build.log.expected b/compiler/integration-tests/testData/k2jsWithSourcemap/build.log.expected
index c29fac465a5..438f56679ca 100644
--- a/compiler/integration-tests/testData/k2jsWithSourcemap/build.log.expected
+++ b/compiler/integration-tests/testData/k2jsWithSourcemap/build.log.expected
@@ -1,8 +1,10 @@
-OUT Buildfile: [TestData]/build.xml
-OUT 
-OUT build:
-OUT [kotlin2js] Compiling [[TestData]/root1] => [[Temp]/out.js]
-OUT 
-OUT BUILD SUCCESSFUL
-OUT Total time: [time]
+OUT:
+Buildfile: [TestData]/build.xml
+
+build:
+[kotlin2js] Compiling [[TestData]/root1] => [[Temp]/out.js]
+
+BUILD SUCCESSFUL
+Total time: [time]
+
 Return code: 0
diff --git a/compiler/integration-tests/testData/k2jsWithoutOutputParam/build.log.expected b/compiler/integration-tests/testData/k2jsWithoutOutputParam/build.log.expected
index 20045e2e76d..995c1550e2c 100644
--- a/compiler/integration-tests/testData/k2jsWithoutOutputParam/build.log.expected
+++ b/compiler/integration-tests/testData/k2jsWithoutOutputParam/build.log.expected
@@ -1,9 +1,13 @@
-OUT Buildfile: [TestData]/build.xml
-OUT 
-OUT build:
-ERR 
-ERR BUILD FAILED
-ERR [TestData]/build.xml:5: "output" should be specified
-ERR 
-ERR Total time: [time]
+OUT:
+Buildfile: [TestData]/build.xml
+
+build:
+
+ERR:
+
+BUILD FAILED
+[TestData]/build.xml:5: "output" should be specified
+
+Total time: [time]
+
 Return code: 1
diff --git a/compiler/integration-tests/testData/k2jsWithoutSrcParam/build.log.expected b/compiler/integration-tests/testData/k2jsWithoutSrcParam/build.log.expected
index 70834e184c6..e27b44df889 100644
--- a/compiler/integration-tests/testData/k2jsWithoutSrcParam/build.log.expected
+++ b/compiler/integration-tests/testData/k2jsWithoutSrcParam/build.log.expected
@@ -1,9 +1,13 @@
-OUT Buildfile: [TestData]/build.xml
-OUT 
-OUT build:
-ERR 
-ERR BUILD FAILED
-ERR [TestData]/build.xml:5: "src" should be specified
-ERR 
-ERR Total time: [time]
+OUT:
+Buildfile: [TestData]/build.xml
+
+build:
+
+ERR:
+
+BUILD FAILED
+[TestData]/build.xml:5: "src" should be specified
+
+Total time: [time]
+
 Return code: 1
diff --git a/compiler/integration-tests/testData/kotlinCompiler/build.log.expected b/compiler/integration-tests/testData/kotlinCompiler/build.log.expected
index 25ee1864938..62250d3a0ad 100644
--- a/compiler/integration-tests/testData/kotlinCompiler/build.log.expected
+++ b/compiler/integration-tests/testData/kotlinCompiler/build.log.expected
@@ -1,11 +1,13 @@
-OUT Buildfile: [TestData]/build.xml
-OUT 
-OUT build:
-OUT     [mkdir] Created dir: [Temp]/classes
-OUT   [kotlinc] Compiling [[[TestData]/root1]] => [[Temp]/classes]
-OUT     [javac] Compiling 1 source file to [Temp]/classes
-OUT       [jar] Building jar: [Temp]/hello.jar
-OUT 
-OUT BUILD SUCCESSFUL
-OUT Total time: [time]
+OUT:
+Buildfile: [TestData]/build.xml
+
+build:
+    [mkdir] Created dir: [Temp]/classes
+  [kotlinc] Compiling [[[TestData]/root1]] => [[Temp]/classes]
+    [javac] Compiling 1 source file to [Temp]/classes
+      [jar] Building jar: [Temp]/hello.jar
+
+BUILD SUCCESSFUL
+Total time: [time]
+
 Return code: 0
diff --git a/compiler/integration-tests/testData/kotlinCompiler/hello.run.expected b/compiler/integration-tests/testData/kotlinCompiler/hello.run.expected
index de564d891df..f36d0378368 100644
--- a/compiler/integration-tests/testData/kotlinCompiler/hello.run.expected
+++ b/compiler/integration-tests/testData/kotlinCompiler/hello.run.expected
@@ -1,3 +1,5 @@
-OUT Hello, a!
-OUT Java Hello
+OUT:
+Hello, a!
+Java Hello
+
 Return code: 0
diff --git a/compiler/integration-tests/testData/syntaxErrors/test.compile.expected b/compiler/integration-tests/testData/syntaxErrors/test.compile.expected
index 9e7cf8182e1..eb371a9470c 100644
--- a/compiler/integration-tests/testData/syntaxErrors/test.compile.expected
+++ b/compiler/integration-tests/testData/syntaxErrors/test.compile.expected
@@ -1,3 +1,7 @@
-OUT ERROR: [TestData]/test.kt: (4, 20) Expecting an element
-ERR exec() finished with COMPILATION_ERROR return code
+OUT:
+ERROR: [TestData]/test.kt: (4, 20) Expecting an element
+
+ERR:
+exec() finished with COMPILATION_ERROR return code
+
 Return code: 1