diff --git a/package-lock.json b/package-lock.json
index 5322acf1..c9f9898c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
       "integrity": "sha512-F9OalGhk60p/DnACfa1SWtmVTMni0+w9t/qfb5Bu7CsurkEjZFN7Z+ii/VGmYpaViPz7o3tBahRQae9O7skFlQ==",
       "dev": true,
       "requires": {
-        "@types/node": "8.10.9"
+        "@types/node": "8.10.10"
       }
     },
     "@types/fs-extra": {
@@ -19,7 +19,7 @@
       "integrity": "sha512-PlKJw6ujJXLJjbvB3T0UCbY3jibKM6/Ya5cc9j1q+mYDeK3aR4Dp+20ZwxSuvJr9mIoPxp7+IL4aMOEvsscRTA==",
       "dev": true,
       "requires": {
-        "@types/node": "8.10.9"
+        "@types/node": "8.10.10"
       }
     },
     "@types/mz": {
@@ -28,13 +28,13 @@
       "integrity": "sha1-pNgMCC/v5x5Ap8DwfR5lVbu8e1I=",
       "dev": true,
       "requires": {
-        "@types/node": "8.10.9"
+        "@types/node": "8.10.10"
       }
     },
     "@types/node": {
-      "version": "8.10.9",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-8.10.9.tgz",
-      "integrity": "sha512-GUUTbeDaJSRaoLkqVQ5jwwKbDiLWFX3JrKLvC078q2P51Z9Dcb5F5UdnApSYqdMk4X0VrKod1gzeoX8bGl8DMg=="
+      "version": "8.10.10",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-8.10.10.tgz",
+      "integrity": "sha512-p3W/hFzQs76RlYRIZsZc5a9bht6m0TspmWYYbKhRswmLnwj9fsE40EbuGifeu/XWR/c0UJQ1DDbvTxIsm/OOAA=="
     },
     "@types/oboe": {
       "version": "2.0.28",
@@ -42,7 +42,7 @@
       "integrity": "sha1-OvywzJSfzfd3hh2W6FcfO0hvD6c=",
       "dev": true,
       "requires": {
-        "@types/node": "8.10.9"
+        "@types/node": "8.10.10"
       }
     },
     "@types/parsimmon": {
@@ -56,7 +56,7 @@
       "integrity": "sha512-9oVAi1Jlr274pbMGPEe0S3IPImV9knVNafa6E4MookD/fjOZAE6EmLkFX5ZjtZ9OXNPi2FCIZzUSMvwAUUKeSg==",
       "dev": true,
       "requires": {
-        "@types/node": "8.10.9"
+        "@types/node": "8.10.10"
       }
     },
     "@types/tar": {
@@ -65,9 +65,15 @@
       "integrity": "sha1-qvBknYO6pE9Ji/ezVP0ECtjIubM=",
       "dev": true,
       "requires": {
-        "@types/node": "8.10.9"
+        "@types/node": "8.10.10"
       }
     },
+    "@types/travis-fold": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/@types/travis-fold/-/travis-fold-0.1.0.tgz",
+      "integrity": "sha512-qrXB0Div8vIzA8P809JRlh9lD4mSOYwRBJbU1zcj0BWhULP15Zx0oQyJtjaOnkNR5RZcYQDbgimj40M1GDmhcQ==",
+      "dev": true
+    },
     "@types/yargs": {
       "version": "8.0.3",
       "resolved": "https://registry.npmjs.org/@types/yargs/-/yargs-8.0.3.tgz",
@@ -79,7 +85,7 @@
       "resolved": "https://registry.npmjs.org/adal-node/-/adal-node-0.1.28.tgz",
       "integrity": "sha1-RoxLs+u9lrEnBmn0ucuk4AZepIU=",
       "requires": {
-        "@types/node": "8.10.9",
+        "@types/node": "8.10.10",
         "async": "2.6.0",
         "date-utils": "1.2.21",
         "jws": "3.1.4",
@@ -155,7 +161,7 @@
       "resolved": "https://registry.npmjs.org/async/-/async-2.6.0.tgz",
       "integrity": "sha512-xAfGg1/NTLBBKlHFmnd7PlmUW9KhVQIUuSrYem9xzFUZy13ScvtyGGejaae9iAVRiRq9+Cx7DPFaAAhCpyxyPw==",
       "requires": {
-        "lodash": "4.17.5"
+        "lodash": "4.17.10"
       }
     },
     "asynckit": {
@@ -237,7 +243,7 @@
             "oauth-sign": "0.8.2",
             "performance-now": "2.1.0",
             "qs": "6.5.1",
-            "safe-buffer": "5.1.1",
+            "safe-buffer": "5.1.2",
             "stringstream": "0.0.5",
             "tough-cookie": "2.3.4",
             "tunnel-agent": "0.6.0",
@@ -451,7 +457,7 @@
             "inherits": "2.0.3",
             "isarray": "1.0.0",
             "process-nextick-args": "2.0.0",
-            "safe-buffer": "5.1.1",
+            "safe-buffer": "5.1.2",
             "string_decoder": "1.1.1",
             "util-deprecate": "1.0.2"
           }
@@ -461,7 +467,7 @@
           "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
           "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
           "requires": {
-            "safe-buffer": "5.1.1"
+            "safe-buffer": "5.1.2"
           }
         }
       }
@@ -546,13 +552,13 @@
       "integrity": "sha512-A46qtFgd+g7pDZinpnwiRJtxbC1hpgf0uzP3iG89scHk0AUC7A1TGxf5OiiOUv/JMZR8GOt8hL900hV0bOy5xA=="
     },
     "dtslint": {
-      "version": "github:Microsoft/dtslint#ea50267c1caff214482767ef304b4038b2b0aae6",
+      "version": "github:Microsoft/dtslint#887768341b08d45d1bb1edf6ae9ad5ebaa683920",
       "requires": {
         "definitelytyped-header-parser": "github:Microsoft/definitelytyped-header-parser#f074e863231ef0d79a31c0a9edaf1b82c98469ef",
         "fs-promise": "2.0.3",
         "strip-json-comments": "2.0.1",
         "tslint": "5.9.1",
-        "typescript": "2.9.0-dev.20180422"
+        "typescript": "2.9.0-dev.20180425"
       }
     },
     "duplexer": {
@@ -575,7 +581,7 @@
       "integrity": "sha1-S8kmJ07Dtau1AW5+HWCSGsJisqE=",
       "requires": {
         "base64url": "2.0.0",
-        "safe-buffer": "5.1.1"
+        "safe-buffer": "5.1.2"
       }
     },
     "error-ex": {
@@ -820,7 +826,7 @@
       "integrity": "sha1-X8hoaEfs1zSZQDMZprCj8/auSRg=",
       "requires": {
         "inherits": "2.0.3",
-        "safe-buffer": "5.1.1"
+        "safe-buffer": "5.1.2"
       }
     },
     "hawk": {
@@ -1026,7 +1032,7 @@
         "base64url": "2.0.0",
         "buffer-equal-constant-time": "1.0.1",
         "ecdsa-sig-formatter": "1.0.9",
-        "safe-buffer": "5.1.1"
+        "safe-buffer": "5.1.2"
       }
     },
     "jws": {
@@ -1036,7 +1042,7 @@
       "requires": {
         "base64url": "2.0.0",
         "jwa": "1.1.5",
-        "safe-buffer": "5.1.1"
+        "safe-buffer": "5.1.2"
       }
     },
     "lcid": {
@@ -1068,9 +1074,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.5",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.5.tgz",
-      "integrity": "sha512-svL3uiZf1RwhH+cWrfZn3A4+U58wbP0tGVTLQPbjplZxZ8ROD9VLuNgsRniTlLe7OlSqR79RUehXgpBW/s0IQw=="
+      "version": "4.17.10",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.10.tgz",
+      "integrity": "sha512-UejweD1pDoXu+AD825lWwp4ZGtSwgnpZxb3JDViD7StjQz+Nb/6l093lx4OQ0foGWNRoc19mWy7BzL+UAK2iVg=="
     },
     "longjohn": {
       "version": "0.2.12",
@@ -5214,7 +5220,7 @@
         "once": "1.4.0",
         "request": "2.85.0",
         "retry": "0.10.1",
-        "safe-buffer": "5.1.1",
+        "safe-buffer": "5.1.2",
         "semver": "5.5.0",
         "slide": "1.1.6",
         "ssri": "5.3.0"
@@ -5464,7 +5470,7 @@
         "oauth-sign": "0.8.2",
         "performance-now": "2.1.0",
         "qs": "6.5.1",
-        "safe-buffer": "5.1.1",
+        "safe-buffer": "5.1.2",
         "stringstream": "0.0.5",
         "tough-cookie": "2.3.4",
         "tunnel-agent": "0.6.0",
@@ -5503,9 +5509,9 @@
       }
     },
     "safe-buffer": {
-      "version": "5.1.1",
-      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.1.tgz",
-      "integrity": "sha512-kKvNJn6Mm93gAczWVJg7wH+wGYWNrDHdWvpUmHyEsgCtIwwo3bqPtV4tR5tuPaUhTOo/kvhVwd8XwwOllGYkbg=="
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
+      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
     },
     "sax": {
       "version": "0.5.8",
@@ -5619,7 +5625,7 @@
       "resolved": "https://registry.npmjs.org/ssri/-/ssri-5.3.0.tgz",
       "integrity": "sha512-XRSIPqLij52MtgoQavH/x/dU1qVKtWUAAZeOHsR9c2Ddi4XerFy3mc1alf+dLJKl9EUIm/Ht+EowFkTUOA6GAQ==",
       "requires": {
-        "safe-buffer": "5.1.1"
+        "safe-buffer": "5.1.2"
       }
     },
     "string-width": {
@@ -5709,6 +5715,11 @@
         "punycode": "1.4.1"
       }
     },
+    "travis-fold": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/travis-fold/-/travis-fold-0.1.2.tgz",
+      "integrity": "sha1-/sAF+dyqJZo/lFnOWmkGq6TFRdo="
+    },
     "tslib": {
       "version": "1.9.0",
       "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.9.0.tgz",
@@ -5779,7 +5790,7 @@
       "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
       "integrity": "sha1-J6XeoGs2sEoKmWZ3SykIaPD8QP0=",
       "requires": {
-        "safe-buffer": "5.1.1"
+        "safe-buffer": "5.1.2"
       }
     },
     "tweetnacl": {
@@ -5794,9 +5805,9 @@
       "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c="
     },
     "typescript": {
-      "version": "2.9.0-dev.20180422",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-2.9.0-dev.20180422.tgz",
-      "integrity": "sha512-ZoshrwzODq7xGMgxo5o1NimTC3+9W+eeSdgiDY6gd8KTtzm0roLk1LlVheUrqGWmpZO8rTdP3tCKsuBIPf7R4A=="
+      "version": "2.9.0-dev.20180425",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-2.9.0-dev.20180425.tgz",
+      "integrity": "sha512-6t/l13ofVeTSJVD78b20E0rkoOcFPrst5bK9vCGDbbjzx+Ab3HoV7fSTuwB8zMEvpxHwQtR+0kR3XUy06HzwUg=="
     },
     "underscore": {
       "version": "1.9.0",
diff --git a/package.json b/package.json
index f1a97f1b..5797681d 100644
--- a/package.json
+++ b/package.json
@@ -19,6 +19,7 @@
     "oboe": "^2.1.3",
     "source-map-support": "^0.4.0",
     "tar": "^2.2.1",
+    "travis-fold": "^0.1.2",
     "typescript": "next",
     "yargs": "^8.0.2"
   },
@@ -30,6 +31,7 @@
     "@types/oboe": "^2.0.28",
     "@types/source-map-support": "^0.4.0",
     "@types/tar": "^1.0.27",
+    "@types/travis-fold": "^0.1.0",
     "@types/yargs": "^8.0.1",
     "tslint": "^5.8.0"
   },
diff --git a/src/check-parse-results.ts b/src/check-parse-results.ts
index e0f19c7a..1b0b28b1 100644
--- a/src/check-parse-results.ts
+++ b/src/check-parse-results.ts
@@ -1,3 +1,5 @@
+import * as fold from "travis-fold";
+
 import { Options } from "./lib/common";
 import { fetchNpmInfo, NpmInfoVersion, NpmInfoVersions } from "./lib/npm-client";
 import { AllPackages, AnyPackage, TypingsData } from "./lib/packages";
@@ -18,9 +20,11 @@ export default async function main(includeNpmChecks: boolean, options: Options,
 
 	checkPathMappings(allPackages);
 
+	if (fold.isTravis()) { console.log(fold.start("Duplicate packages")); }
 	const packages = allPackages.allPackages();
 	checkForDuplicates(packages, pkg => pkg.libraryName, "Library Name", log);
 	checkForDuplicates(packages, pkg => pkg.projectName, "Project Name", log);
+	if (fold.isTravis()) { console.log(fold.end("Duplicate packages")); }
 
 	const dependedOn = new Set<string>();
 	for (const pkg of packages) {
diff --git a/src/tester/test-runner.ts b/src/tester/test-runner.ts
index 80099187..9cebf551 100644
--- a/src/tester/test-runner.ts
+++ b/src/tester/test-runner.ts
@@ -1,4 +1,5 @@
 import { pathExists } from "fs-extra";
+import * as fold from "travis-fold";
 import * as yargs from "yargs";
 
 import { Options } from "../lib/common";
@@ -86,6 +87,7 @@ async function runTests(
 ): Promise<void> {
 	const allFailures: Array<[string, string]> = [];
 
+	if (fold.isTravis()) { console.log(fold.start("tests")); }
 	await runWithListeningChildProcesses({
 		inputs: packages.map(p => ({ path: p.subDirectoryPath, onlyTestTsNext: !changed.has(p) })),
 		commandLineArgs: ["--listen"],
@@ -103,6 +105,7 @@ async function runTests(
 			}
 		},
 	});
+	if (fold.isTravis()) { console.log(fold.end("tests")); }
 
 	if (allFailures.length === 0) {
 		return;