; go test -v 
=== RUN TestArchivePipe
--- PASS: TestArchivePipe (0.00s)
=== RUN TestArchiveDirectory
--- PASS: TestArchiveDirectory (1.36s)
        archiver_test.go:129: snapshot archived as c4c9322ded3d05095533b980de9e5c079502a699963ccb4bd4b72cd6f027b604
=== RUN TestArchiveDedup
--- FAIL: TestArchiveDedup (1.42s)
        archiver_test.go:168: archived snapshot 6b67f200
        archiver_test.go:175: packs 2, data blobs 131, tree blobs 36
        archiver_test.go:179: archived snapshot d07ec39e
        archiver_test.go:186: packs 3, data blobs 131, tree blobs 71
        archiver_test.go:191: TestArchiverDedup: too many packs in repository: before 2, after 3
=== RUN TestCache
--- PASS: TestCache (1.47s)
=== RUN TestNewSnapshot
--- PASS: TestNewSnapshot (0.02s)
=== RUN TestTree
--- PASS: TestTree (0.01s)
=== RUN TestNodeMarshal
--- PASS: TestNodeMarshal (0.00s)
=== RUN TestNodeComparison
--- PASS: TestNodeComparison (0.00s)
=== RUN TestLoadTree
--- PASS: TestLoadTree (1.50s)
=== RUN TestWalkTree
--- PASS: TestWalkTree (1.30s)
FAIL

and from the testsuite:

run test testsuite/test-backup.sh

0: ModTime does not match
0/0: ModTime does not match
0/0/0: ModTime does not match
0/0/1: ModTime does not match
0/0/2: ModTime does not match
0/0/3: ModTime does not match
0/0/4: ModTime does not match
0/0/5: ModTime does not match
0/0/6: ModTime does not match
0/0/7: ModTime does not match
0/0/8: ModTime does not match
0/0/9: ModTime does not match
0/tests: ModTime does not match
0/tests/testfile-symlink: ModTime does not match
0: ModTime does not match
0/0: ModTime does not match
0/0/0: ModTime does not match
0/0/1: ModTime does not match
0/0/2: ModTime does not match
0/0/3: ModTime does not match
0/0/4: ModTime does not match
0/0/5: ModTime does not match
0/0/6: ModTime does not match
0/0/7: ModTime does not match
0/0/8: ModTime does not match
0/0/9: ModTime does not match
0/tests: ModTime does not match
0/tests/testfile-symlink: ModTime does not match
test-backup pass