diff --git a/mercurial/error.py b/mercurial/error.py
--- a/mercurial/error.py
+++ b/mercurial/error.py
@@ -72,9 +72,9 @@
         # Python 2.6+ complain about the 'message' property being deprecated
         self.lookupmessage = message
         if isinstance(name, bytes) and len(name) == 20:
-            from .node import short
+            from .node import hex
 
-            name = short(name)
+            name = hex(name)
         # if name is a binary node, it can be None
         RevlogError.__init__(
             self, b'%s@%s: %s' % (index, pycompat.bytestr(name), message)
diff --git a/tests/test-bundle-r.t b/tests/test-bundle-r.t
--- a/tests/test-bundle-r.t
+++ b/tests/test-bundle-r.t
@@ -223,7 +223,7 @@
   adding changesets
   transaction abort!
   rollback completed
-  abort: 00changelog.i@93ee6ab32777: unknown parent
+  abort: 00changelog.i@93ee6ab32777cd430e07da694794fb6a4f917712: unknown parent
   [50]
 
 revision 2
diff --git a/tests/test-bundle.t b/tests/test-bundle.t
--- a/tests/test-bundle.t
+++ b/tests/test-bundle.t
@@ -733,7 +733,7 @@
 partial history bundle, fails w/ unknown parent
 
   $ hg -R bundle.hg verify
-  abort: 00changelog.i@bbd179dfa0a7: unknown parent
+  abort: 00changelog.i@bbd179dfa0a71671c253b3ae0aa1513b60d199fa: unknown parent
   [50]
 
 full history bundle, refuses to verify non-local repo
diff --git a/tests/test-convert-filemap.t b/tests/test-convert-filemap.t
--- a/tests/test-convert-filemap.t
+++ b/tests/test-convert-filemap.t
@@ -292,12 +292,12 @@
   $ rm -rf source/.hg/store/data/dir/file4
 #endif
   $ hg -q convert --filemap renames.fmap --datesort source dummydest
-  abort: data/dir/file3.i@e96dce0bc6a2: no match found (reporevlogstore !)
+  abort: data/dir/file3.i@e96dce0bc6a217656a3a410e5e6bec2c4f42bf7c: no match found (reporevlogstore !)
   abort: data/dir/file3/index@e96dce0bc6a2: no node (reposimplestore !)
   [50]
   $ hg -q convert --filemap renames.fmap --datesort --config convert.hg.ignoreerrors=1 source renames.repo
-  ignoring: data/dir/file3.i@e96dce0bc6a2: no match found (reporevlogstore !)
-  ignoring: data/dir/file4.i@6edd55f559cd: no match found (reporevlogstore !)
+  ignoring: data/dir/file3.i@e96dce0bc6a217656a3a410e5e6bec2c4f42bf7c: no match found (reporevlogstore !)
+  ignoring: data/dir/file4.i@6edd55f559cdce67132b12ca09e09cee08b60442: no match found (reporevlogstore !)
   ignoring: data/dir/file3/index@e96dce0bc6a2: no node (reposimplestore !)
   ignoring: data/dir/file4/index@6edd55f559cd: no node (reposimplestore !)
   $ hg up -q -R renames.repo
diff --git a/tests/test-convert-hg-source.t b/tests/test-convert-hg-source.t
--- a/tests/test-convert-hg-source.t
+++ b/tests/test-convert-hg-source.t
@@ -182,7 +182,7 @@
   sorting...
   converting...
   4 init
-  ignoring: data/b.i@1e88685f5dde: no match found (reporevlogstore !)
+  ignoring: data/b.i@1e88685f5ddec574a34c70af492f95b6debc8741: no match found (reporevlogstore !)
   ignoring: data/b/index@1e88685f5dde: no node (reposimplestore !)
   3 changeall
   2 changebagain
diff --git a/tests/test-hgweb-filelog.t b/tests/test-hgweb-filelog.t
--- a/tests/test-hgweb-filelog.t
+++ b/tests/test-hgweb-filelog.t
@@ -656,7 +656,7 @@
   An error occurred while processing your request:
   </p>
   <p>
-  a@6563da9dcf87: not found in manifest
+  a@6563da9dcf87b1949716e38ff3e3dfaa3198eb06: not found in manifest
   </p>
   </div>
   </div>
diff --git a/tests/test-hgweb.t b/tests/test-hgweb.t
--- a/tests/test-hgweb.t
+++ b/tests/test-hgweb.t
@@ -149,7 +149,7 @@
   404 Not Found
   
   
-  error: bork@2ef0ac749a14: not found in manifest
+  error: bork@2ef0ac749a14e4f57a5a822464a0902c6f7f448f: not found in manifest
   [1]
   $ get-with-headers.py localhost:$HGPORT 'file/tip/bork'
   404 Not Found
@@ -202,7 +202,7 @@
   An error occurred while processing your request:
   </p>
   <p>
-  bork@2ef0ac749a14: not found in manifest
+  bork@2ef0ac749a14e4f57a5a822464a0902c6f7f448f: not found in manifest
   </p>
   </div>
   </div>
@@ -218,7 +218,7 @@
   404 Not Found
   
   
-  error: bork@2ef0ac749a14: not found in manifest
+  error: bork@2ef0ac749a14e4f57a5a822464a0902c6f7f448f: not found in manifest
   [1]
 
 try bad style
diff --git a/tests/test-hgwebdir.t b/tests/test-hgwebdir.t
--- a/tests/test-hgwebdir.t
+++ b/tests/test-hgwebdir.t
@@ -103,7 +103,7 @@
   404 Not Found
   
   
-  error: bork@8580ff50825a: not found in manifest
+  error: bork@8580ff50825a50c8f716709acdf8de0deddcd6ab: not found in manifest
   [1]
 
 should succeed
diff --git a/tests/test-narrow-exchange.t b/tests/test-narrow-exchange.t
--- a/tests/test-narrow-exchange.t
+++ b/tests/test-narrow-exchange.t
@@ -105,7 +105,7 @@
   remote: adding file changes
   remote: transaction abort!
   remote: rollback completed
-  remote: abort: data/inside2/f.i@4a1aa07735e6: unknown parent (reporevlogstore !)
+  remote: abort: data/inside2/f.i@4a1aa07735e673e20c00fae80f40dc301ee30616: unknown parent (reporevlogstore !)
   remote: abort: data/inside2/f/index@4a1aa07735e6: no node (reposimplestore !)
   abort: stream ended unexpectedly (got 0 bytes, expected 4)
   [255]
@@ -218,8 +218,8 @@
   remote: adding manifests
   remote: adding file changes
   remote: added 1 changesets with 0 changes to 0 files (no-lfs-on !)
-  remote: error: pretxnchangegroup.lfs hook raised an exception: data/inside2/f.i@f59b4e021835: no match found (lfs-on !)
+  remote: error: pretxnchangegroup.lfs hook raised an exception: data/inside2/f.i@f59b4e0218355383d2789196f1092abcf2262b0c: no match found (lfs-on !)
   remote: transaction abort! (lfs-on !)
   remote: rollback completed (lfs-on !)
-  remote: abort: data/inside2/f.i@f59b4e021835: no match found (lfs-on !)
+  remote: abort: data/inside2/f.i@f59b4e0218355383d2789196f1092abcf2262b0c: no match found (lfs-on !)
   abort: stream ended unexpectedly (got 0 bytes, expected 4) (lfs-on !)
diff --git a/tests/test-pull-bundle.t b/tests/test-pull-bundle.t
--- a/tests/test-pull-bundle.t
+++ b/tests/test-pull-bundle.t
@@ -185,7 +185,7 @@
   adding changesets
   adding manifests
   adding file changes
-  abort: 00changelog.i@66f7d451a68b: no node
+  abort: 00changelog.i@66f7d451a68b85ed82ff5fcc254daf50c74144bd: no node
   [50]
   $ cd ..
   $ killdaemons.py