diff --git a/composer/spec/fixtures/projects/autoload/composer.lock b/composer/spec/fixtures/projects/autoload/composer.lock
index 9779c178ed..ce461adfe8 100644
--- a/composer/spec/fixtures/projects/autoload/composer.lock
+++ b/composer/spec/fixtures/projects/autoload/composer.lock
@@ -1,11 +1,10 @@
 {
     "_readme": [
         "This file locks the dependencies of your project to a known state",
-        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
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+    "content-hash": "35f84202ad25d09f1311c7afc05db63c",
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             "name": "doctrine/inflector",
@@ -72,7 +71,7 @@
                 "singularize",
                 "string"
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-            "time": "2015-11-06 14:35:42"
+            "time": "2015-11-06T14:35:42+00:00"
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             "name": "erusev/parsedown",
@@ -111,7 +110,7 @@
                 "markdown",
                 "parser"
             ],
-            "time": "2015-10-04 16:44:32"
+            "time": "2015-10-04T16:44:32+00:00"
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@@ -153,7 +152,7 @@
             ],
             "description": "The Illuminate Contracts package.",
             "homepage": "http://laravel.com",
-            "time": "2015-12-19 14:25:38"
+            "time": "2015-12-19T14:25:38+00:00"
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@@ -190,12 +189,12 @@
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-                },
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@@ -209,7 +208,7 @@
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@@ -265,7 +264,21 @@
                 "constructor",
                 "instantiate"
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-            "time": "2015-06-14 21:17:01"
+            "funding": [
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@@ -307,7 +320,7 @@
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+            "time": "2015-11-07T22:20:37+00:00"
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@@ -356,7 +369,7 @@
                     "email": "mike.vanriel@naenius.com"
                 }
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+            "time": "2015-02-03T12:10:50+00:00"
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@@ -416,7 +429,7 @@
                 "spy",
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+            "time": "2015-08-13T10:07:40+00:00"
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@@ -478,7 +491,7 @@
                 "testing",
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-            "time": "2015-11-12 21:08:20"
+            "time": "2015-11-12T21:08:20+00:00"
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@@ -525,7 +538,7 @@
                 "filesystem",
                 "iterator"
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-            "time": "2015-06-21 13:08:43"
+            "time": "2015-06-21T13:08:43+00:00"
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@@ -566,7 +579,7 @@
             "keywords": [
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-            "time": "2015-06-21 13:50:34"
+            "time": "2015-06-21T13:50:34+00:00"
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@@ -607,7 +620,7 @@
             "keywords": [
                 "timer"
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-            "time": "2015-06-21 08:01:12"
+            "time": "2015-06-21T08:01:12+00:00"
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@@ -656,7 +669,8 @@
             "keywords": [
                 "tokenizer"
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-            "time": "2015-09-15 10:49:45"
+            "abandoned": true,
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@@ -730,7 +744,7 @@
                 "testing",
                 "xunit"
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-            "time": "2015-12-10 07:54:54"
+            "time": "2015-12-10T07:54:54+00:00"
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@@ -786,7 +800,8 @@
                 "mock",
                 "xunit"
             ],
-            "time": "2015-12-08 08:47:06"
+            "abandoned": true,
+            "time": "2015-12-08T08:47:06+00:00"
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@@ -850,7 +865,7 @@
                 "compare",
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-            "time": "2015-07-26 15:48:44"
+            "time": "2015-07-26T15:48:44+00:00"
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@@ -902,7 +917,7 @@
             "keywords": [
                 "diff"
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-            "time": "2015-12-08 07:14:41"
+            "time": "2015-12-08T07:14:41+00:00"
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             "name": "sebastian/environment",
@@ -952,7 +967,7 @@
                 "environment",
                 "hhvm"
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-            "time": "2015-12-02 08:37:27"
+            "time": "2015-12-02T08:37:27+00:00"
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@@ -1018,7 +1033,7 @@
                 "export",
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-            "time": "2015-06-21 07:55:53"
+            "time": "2015-06-21T07:55:53+00:00"
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@@ -1069,7 +1084,7 @@
             "keywords": [
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-            "time": "2015-10-12 03:26:01"
+            "time": "2015-10-12T03:26:01+00:00"
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@@ -1122,7 +1137,7 @@
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-            "time": "2015-11-11 19:50:13"
+            "time": "2015-11-11T19:50:13+00:00"
         },
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@@ -1164,7 +1179,7 @@
             ],
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             "homepage": "https://www.github.com/sebastianbergmann/resource-operations",
-            "time": "2015-07-28 20:34:47"
+            "time": "2015-07-28T20:34:47+00:00"
         },
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@@ -1199,7 +1214,7 @@
             ],
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             "homepage": "https://github.com/sebastianbergmann/version",
-            "time": "2015-06-21 13:59:46"
+            "time": "2015-06-21T13:59:46+00:00"
         },
         {
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@@ -1248,7 +1263,7 @@
             ],
             "description": "Symfony Yaml Component",
             "homepage": "https://symfony.com",
-            "time": "2015-12-26 13:39:53"
+            "time": "2015-12-26T13:39:53+00:00"
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@@ -1256,8 +1271,7 @@
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-    },
-    "platform-dev": []
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+    "platform-dev": [],
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 }
diff --git a/composer/spec/fixtures/projects/missing_extension/composer.lock b/composer/spec/fixtures/projects/missing_extension/composer.lock
index 8d83609e23..7bdba8519b 100644
--- a/composer/spec/fixtures/projects/missing_extension/composer.lock
+++ b/composer/spec/fixtures/projects/missing_extension/composer.lock
@@ -1,282 +1,284 @@
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index c92b6b9ee0..ea73e79e98 100644
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index 4f29bed7d7..78812ffb76 100644
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