os: TestRootMultiMkdirAllShallow failures on openbsd [consistent failure]

[gopherbot]

#!watchflakes
default <- pkg == "os" && test ~ `TestRootMultiMkdirAllShallow.*` && goos == "openbsd"

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestRootMultiMkdirAllShallow/bsSbA
    root_test.go:2322: inconsistent errors in/out of root
    root_test.go:2323: root.MkdirAll("target/", 0o777):
    root_test.go:2324:   error: <nil>
    root_test.go:2325: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA1207003100/002/ROOT/target/", 0o777):
    root_test.go:2326:   error: mkdir /home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA1207003100/002/ROOT/target/: file exists
    root_test.go:2333: inconsistent filesystem after running in/out of root
    root_test.go:2334: root.MkdirAll("target/", 0o777):
    root_test.go:2336:   drwxr-xr-x DIR/
    root_test.go:2336:   drwxr-xr-x s_target/
    root_test.go:2336:   Lrwxr-xr-x target => s_target
    root_test.go:2338: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA1207003100/002/ROOT/target/", 0o777):
    root_test.go:2340:   drwxr-xr-x DIR/
    root_test.go:2340:   Lrwxr-xr-x target => s_target
    root_test.go:2237: Initial directory contents:
    root_test.go:2239:   drwxr-xr-x DIR/
    root_test.go:2239:   Lrwxr-xr-x target => s_target
--- FAIL: TestRootMultiMkdirAllShallow/bsSbA (0.04s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "os" && test == "TestRootMultiMkdirAllShallow/bsSbA"

2026-07-10 19:31 gotip-openbsd-amd64 go@668ec589 os.TestRootMultiMkdirAllShallow/bsSbA (log)

=== RUN   TestRootMultiMkdirAllShallow/bsSbA
    root_test.go:2322: inconsistent errors in/out of root
    root_test.go:2323: root.MkdirAll("target/", 0o777):
    root_test.go:2324:   error: <nil>
    root_test.go:2325: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA1207003100/002/ROOT/target/", 0o777):
    root_test.go:2326:   error: mkdir /home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA1207003100/002/ROOT/target/: file exists
    root_test.go:2333: inconsistent filesystem after running in/out of root
    root_test.go:2334: root.MkdirAll("target/", 0o777):
    root_test.go:2336:   drwxr-xr-x DIR/
    root_test.go:2336:   drwxr-xr-x s_target/
    root_test.go:2336:   Lrwxr-xr-x target => s_target
    root_test.go:2338: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA1207003100/002/ROOT/target/", 0o777):
    root_test.go:2340:   drwxr-xr-x DIR/
    root_test.go:2340:   Lrwxr-xr-x target => s_target
    root_test.go:2237: Initial directory contents:
    root_test.go:2239:   drwxr-xr-x DIR/
    root_test.go:2239:   Lrwxr-xr-x target => s_target
--- FAIL: TestRootMultiMkdirAllShallow/bsSbA (0.04s)

2026-07-10 19:31 gotip-openbsd-amd64 go@03845e30 os.TestRootMultiMkdirAllShallow/bsSbA (log)

=== RUN   TestRootMultiMkdirAllShallow/bsSbA
    root_test.go:2322: inconsistent errors in/out of root
    root_test.go:2323: root.MkdirAll("target/", 0o777):
    root_test.go:2324:   error: <nil>
    root_test.go:2325: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA933021399/002/ROOT/target/", 0o777):
    root_test.go:2326:   error: mkdir /home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA933021399/002/ROOT/target/: file exists
    root_test.go:2333: inconsistent filesystem after running in/out of root
    root_test.go:2334: root.MkdirAll("target/", 0o777):
    root_test.go:2336:   drwxr-xr-x DIR/
    root_test.go:2336:   drwxr-xr-x s_target/
    root_test.go:2336:   Lrwxr-xr-x target => s_target
    root_test.go:2338: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA933021399/002/ROOT/target/", 0o777):
    root_test.go:2340:   drwxr-xr-x DIR/
    root_test.go:2340:   Lrwxr-xr-x target => s_target
    root_test.go:2237: Initial directory contents:
    root_test.go:2239:   drwxr-xr-x DIR/
    root_test.go:2239:   Lrwxr-xr-x target => s_target
--- FAIL: TestRootMultiMkdirAllShallow/bsSbA (0.04s)

2026-07-13 12:55 gotip-openbsd-amd64 go@1e282a30 os.TestRootMultiMkdirAllShallow/bsSbA (log)

=== RUN   TestRootMultiMkdirAllShallow/bsSbA
    root_test.go:2322: inconsistent errors in/out of root
    root_test.go:2323: root.MkdirAll("target/", 0o777):
    root_test.go:2324:   error: <nil>
    root_test.go:2325: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA3397185246/002/ROOT/target/", 0o777):
    root_test.go:2326:   error: mkdir /home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA3397185246/002/ROOT/target/: file exists
    root_test.go:2333: inconsistent filesystem after running in/out of root
    root_test.go:2334: root.MkdirAll("target/", 0o777):
    root_test.go:2336:   drwxr-xr-x DIR/
    root_test.go:2336:   drwxr-xr-x s_target/
    root_test.go:2336:   Lrwxr-xr-x target => s_target
    root_test.go:2338: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA3397185246/002/ROOT/target/", 0o777):
    root_test.go:2340:   drwxr-xr-x DIR/
    root_test.go:2340:   Lrwxr-xr-x target => s_target
    root_test.go:2237: Initial directory contents:
    root_test.go:2239:   drwxr-xr-x DIR/
    root_test.go:2239:   Lrwxr-xr-x target => s_target
--- FAIL: TestRootMultiMkdirAllShallow/bsSbA (0.03s)

2026-07-13 14:52 gotip-openbsd-amd64 go@09697517 os.TestRootMultiMkdirAllShallow/bsSbA (log)

=== RUN   TestRootMultiMkdirAllShallow/bsSbA
    root_test.go:2322: inconsistent errors in/out of root
    root_test.go:2323: root.MkdirAll("target/", 0o777):
    root_test.go:2324:   error: <nil>
    root_test.go:2325: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA129587157/002/ROOT/target/", 0o777):
    root_test.go:2326:   error: mkdir /home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA129587157/002/ROOT/target/: file exists
    root_test.go:2333: inconsistent filesystem after running in/out of root
    root_test.go:2334: root.MkdirAll("target/", 0o777):
    root_test.go:2336:   drwxr-xr-x DIR/
    root_test.go:2336:   drwxr-xr-x s_target/
    root_test.go:2336:   Lrwxr-xr-x target => s_target
    root_test.go:2338: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA129587157/002/ROOT/target/", 0o777):
    root_test.go:2340:   drwxr-xr-x DIR/
    root_test.go:2340:   Lrwxr-xr-x target => s_target
    root_test.go:2237: Initial directory contents:
    root_test.go:2239:   drwxr-xr-x DIR/
    root_test.go:2239:   Lrwxr-xr-x target => s_target
--- FAIL: TestRootMultiMkdirAllShallow/bsSbA (0.03s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "os" && test == "TestRootMultiMkdirAllShallow/bsSbA"

2026-07-13 17:07 gotip-openbsd-amd64 go@31525e9d os.TestRootMultiMkdirAllShallow/bsSbA (log)

=== RUN   TestRootMultiMkdirAllShallow/bsSbA
    root_test.go:2322: inconsistent errors in/out of root
    root_test.go:2323: root.MkdirAll("target/", 0o777):
    root_test.go:2324:   error: <nil>
    root_test.go:2325: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA1682115179/002/ROOT/target/", 0o777):
    root_test.go:2326:   error: mkdir /home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA1682115179/002/ROOT/target/: file exists
    root_test.go:2333: inconsistent filesystem after running in/out of root
    root_test.go:2334: root.MkdirAll("target/", 0o777):
    root_test.go:2336:   drwxr-xr-x DIR/
    root_test.go:2336:   drwxr-xr-x s_target/
    root_test.go:2336:   Lrwxr-xr-x target => s_target
    root_test.go:2338: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA1682115179/002/ROOT/target/", 0o777):
    root_test.go:2340:   drwxr-xr-x DIR/
    root_test.go:2340:   Lrwxr-xr-x target => s_target
    root_test.go:2237: Initial directory contents:
    root_test.go:2239:   drwxr-xr-x DIR/
    root_test.go:2239:   Lrwxr-xr-x target => s_target
--- FAIL: TestRootMultiMkdirAllShallow/bsSbA (0.04s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "os" && test == "TestRootMultiMkdirAllShallow/bsSbA"

2026-07-13 19:15 gotip-openbsd-amd64 go@96307fb5 os.TestRootMultiMkdirAllShallow/bsSbA (log)

=== RUN   TestRootMultiMkdirAllShallow/bsSbA
    root_test.go:2322: inconsistent errors in/out of root
    root_test.go:2323: root.MkdirAll("target/", 0o777):
    root_test.go:2324:   error: <nil>
    root_test.go:2325: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA3958605414/002/ROOT/target/", 0o777):
    root_test.go:2326:   error: mkdir /home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA3958605414/002/ROOT/target/: file exists
    root_test.go:2333: inconsistent filesystem after running in/out of root
    root_test.go:2334: root.MkdirAll("target/", 0o777):
    root_test.go:2336:   drwxr-xr-x DIR/
    root_test.go:2336:   drwxr-xr-x s_target/
    root_test.go:2336:   Lrwxr-xr-x target => s_target
    root_test.go:2338: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA3958605414/002/ROOT/target/", 0o777):
    root_test.go:2340:   drwxr-xr-x DIR/
    root_test.go:2340:   Lrwxr-xr-x target => s_target
    root_test.go:2237: Initial directory contents:
    root_test.go:2239:   drwxr-xr-x DIR/
    root_test.go:2239:   Lrwxr-xr-x target => s_target
--- FAIL: TestRootMultiMkdirAllShallow/bsSbA (0.04s)

2026-07-13 19:22 gotip-openbsd-amd64 go@94635846 os.TestRootMultiMkdirAllShallow/bsSbA (log)

=== RUN   TestRootMultiMkdirAllShallow/bsSbA
    root_test.go:2322: inconsistent errors in/out of root
    root_test.go:2323: root.MkdirAll("target/", 0o777):
    root_test.go:2324:   error: <nil>
    root_test.go:2325: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA218186565/002/ROOT/target/", 0o777):
    root_test.go:2326:   error: mkdir /home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA218186565/002/ROOT/target/: file exists
    root_test.go:2333: inconsistent filesystem after running in/out of root
    root_test.go:2334: root.MkdirAll("target/", 0o777):
    root_test.go:2336:   drwxr-xr-x DIR/
    root_test.go:2336:   drwxr-xr-x s_target/
    root_test.go:2336:   Lrwxr-xr-x target => s_target
    root_test.go:2338: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA218186565/002/ROOT/target/", 0o777):
    root_test.go:2340:   drwxr-xr-x DIR/
    root_test.go:2340:   Lrwxr-xr-x target => s_target
    root_test.go:2237: Initial directory contents:
    root_test.go:2239:   drwxr-xr-x DIR/
    root_test.go:2239:   Lrwxr-xr-x target => s_target
--- FAIL: TestRootMultiMkdirAllShallow/bsSbA (0.03s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "os" && test == "TestRootMultiMkdirAllShallow/bsSbA"

2026-07-13 19:37 gotip-openbsd-amd64 go@25de5ebd os.TestRootMultiMkdirAllShallow/bsSbA (log)

=== RUN   TestRootMultiMkdirAllShallow/bsSbA
    root_test.go:2322: inconsistent errors in/out of root
    root_test.go:2323: root.MkdirAll("target/", 0o777):
    root_test.go:2324:   error: <nil>
    root_test.go:2325: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA1477791040/002/ROOT/target/", 0o777):
    root_test.go:2326:   error: mkdir /home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA1477791040/002/ROOT/target/: file exists
    root_test.go:2333: inconsistent filesystem after running in/out of root
    root_test.go:2334: root.MkdirAll("target/", 0o777):
    root_test.go:2336:   drwxr-xr-x DIR/
    root_test.go:2336:   drwxr-xr-x s_target/
    root_test.go:2336:   Lrwxr-xr-x target => s_target
    root_test.go:2338: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA1477791040/002/ROOT/target/", 0o777):
    root_test.go:2340:   drwxr-xr-x DIR/
    root_test.go:2340:   Lrwxr-xr-x target => s_target
    root_test.go:2237: Initial directory contents:
    root_test.go:2239:   drwxr-xr-x DIR/
    root_test.go:2239:   Lrwxr-xr-x target => s_target
--- FAIL: TestRootMultiMkdirAllShallow/bsSbA (0.05s)

2026-07-13 19:39 gotip-openbsd-amd64 go@0b9d3175 os.TestRootMultiMkdirAllShallow/bsSbA (log)

=== RUN   TestRootMultiMkdirAllShallow/bsSbA
    root_test.go:2322: inconsistent errors in/out of root
    root_test.go:2323: root.MkdirAll("target/", 0o777):
    root_test.go:2324:   error: <nil>
    root_test.go:2325: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA3766210657/002/ROOT/target/", 0o777):
    root_test.go:2326:   error: mkdir /home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA3766210657/002/ROOT/target/: file exists
    root_test.go:2333: inconsistent filesystem after running in/out of root
    root_test.go:2334: root.MkdirAll("target/", 0o777):
    root_test.go:2336:   drwxr-xr-x DIR/
    root_test.go:2336:   drwxr-xr-x s_target/
    root_test.go:2336:   Lrwxr-xr-x target => s_target
    root_test.go:2338: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA3766210657/002/ROOT/target/", 0o777):
    root_test.go:2340:   drwxr-xr-x DIR/
    root_test.go:2340:   Lrwxr-xr-x target => s_target
    root_test.go:2237: Initial directory contents:
    root_test.go:2239:   drwxr-xr-x DIR/
    root_test.go:2239:   Lrwxr-xr-x target => s_target
--- FAIL: TestRootMultiMkdirAllShallow/bsSbA (0.04s)

2026-07-13 19:41 gotip-openbsd-amd64 go@ba26848a os.TestRootMultiMkdirAllShallow/bsSbA (log)

=== RUN   TestRootMultiMkdirAllShallow/bsSbA
    root_test.go:2322: inconsistent errors in/out of root
    root_test.go:2323: root.MkdirAll("target/", 0o777):
    root_test.go:2324:   error: <nil>
    root_test.go:2325: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA2849249224/002/ROOT/target/", 0o777):
    root_test.go:2326:   error: mkdir /home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA2849249224/002/ROOT/target/: file exists
    root_test.go:2333: inconsistent filesystem after running in/out of root
    root_test.go:2334: root.MkdirAll("target/", 0o777):
    root_test.go:2336:   drwxr-xr-x DIR/
    root_test.go:2336:   drwxr-xr-x s_target/
    root_test.go:2336:   Lrwxr-xr-x target => s_target
    root_test.go:2338: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA2849249224/002/ROOT/target/", 0o777):
    root_test.go:2340:   drwxr-xr-x DIR/
    root_test.go:2340:   Lrwxr-xr-x target => s_target
    root_test.go:2237: Initial directory contents:
    root_test.go:2239:   drwxr-xr-x DIR/
    root_test.go:2239:   Lrwxr-xr-x target => s_target
--- FAIL: TestRootMultiMkdirAllShallow/bsSbA (0.04s)

2026-07-13 19:41 gotip-openbsd-amd64 go@92efe23b os.TestRootMultiMkdirAllShallow/bsSbA (log)

=== RUN   TestRootMultiMkdirAllShallow/bsSbA
    root_test.go:2322: inconsistent errors in/out of root
    root_test.go:2323: root.MkdirAll("target/", 0o777):
    root_test.go:2324:   error: <nil>
    root_test.go:2325: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA3958934529/002/ROOT/target/", 0o777):
    root_test.go:2326:   error: mkdir /home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA3958934529/002/ROOT/target/: file exists
    root_test.go:2333: inconsistent filesystem after running in/out of root
    root_test.go:2334: root.MkdirAll("target/", 0o777):
    root_test.go:2336:   drwxr-xr-x DIR/
    root_test.go:2336:   drwxr-xr-x s_target/
    root_test.go:2336:   Lrwxr-xr-x target => s_target
    root_test.go:2338: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA3958934529/002/ROOT/target/", 0o777):
    root_test.go:2340:   drwxr-xr-x DIR/
    root_test.go:2340:   Lrwxr-xr-x target => s_target
    root_test.go:2237: Initial directory contents:
    root_test.go:2239:   drwxr-xr-x DIR/
    root_test.go:2239:   Lrwxr-xr-x target => s_target
--- FAIL: TestRootMultiMkdirAllShallow/bsSbA (0.04s)

2026-07-13 20:13 gotip-openbsd-amd64 go@eb18b3bb os.TestRootMultiMkdirAllShallow/bsSbA (log)

=== RUN   TestRootMultiMkdirAllShallow/bsSbA
    root_test.go:2322: inconsistent errors in/out of root
    root_test.go:2323: root.MkdirAll("target/", 0o777):
    root_test.go:2324:   error: <nil>
    root_test.go:2325: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA744811852/002/ROOT/target/", 0o777):
    root_test.go:2326:   error: mkdir /home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA744811852/002/ROOT/target/: file exists
    root_test.go:2333: inconsistent filesystem after running in/out of root
    root_test.go:2334: root.MkdirAll("target/", 0o777):
    root_test.go:2336:   drwxr-xr-x DIR/
    root_test.go:2336:   drwxr-xr-x s_target/
    root_test.go:2336:   Lrwxr-xr-x target => s_target
    root_test.go:2338: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA744811852/002/ROOT/target/", 0o777):
    root_test.go:2340:   drwxr-xr-x DIR/
    root_test.go:2340:   Lrwxr-xr-x target => s_target
    root_test.go:2237: Initial directory contents:
    root_test.go:2239:   drwxr-xr-x DIR/
    root_test.go:2239:   Lrwxr-xr-x target => s_target
--- FAIL: TestRootMultiMkdirAllShallow/bsSbA (0.04s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "os" && test == "TestRootMultiMkdirAllShallow/bsSbA"

2026-07-13 21:06 gotip-openbsd-amd64 go@a1298407 os.TestRootMultiMkdirAllShallow/bsSbA (log)

=== RUN   TestRootMultiMkdirAllShallow/bsSbA
    root_test.go:2322: inconsistent errors in/out of root
    root_test.go:2323: root.MkdirAll("target/", 0o777):
    root_test.go:2324:   error: <nil>
    root_test.go:2325: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA414443569/002/ROOT/target/", 0o777):
    root_test.go:2326:   error: mkdir /home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA414443569/002/ROOT/target/: file exists
    root_test.go:2333: inconsistent filesystem after running in/out of root
    root_test.go:2334: root.MkdirAll("target/", 0o777):
    root_test.go:2336:   drwxr-xr-x DIR/
    root_test.go:2336:   drwxr-xr-x s_target/
    root_test.go:2336:   Lrwxr-xr-x target => s_target
    root_test.go:2338: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA414443569/002/ROOT/target/", 0o777):
    root_test.go:2340:   drwxr-xr-x DIR/
    root_test.go:2340:   Lrwxr-xr-x target => s_target
    root_test.go:2237: Initial directory contents:
    root_test.go:2239:   drwxr-xr-x DIR/
    root_test.go:2239:   Lrwxr-xr-x target => s_target
--- FAIL: TestRootMultiMkdirAllShallow/bsSbA (0.03s)

— watchflakes

[prattmic]

cc @golang/openbsd @neild

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "os" && test ~ `TestRootMultiMkdirAllShallow.*` && goos == "openbsd"

2026-07-10 19:31 gotip-openbsd-arm64 go@668ec589 os.TestRootMultiMkdirAllShallow/bsSbA (log)

=== RUN   TestRootMultiMkdirAllShallow/bsSbA
    root_test.go:2322: inconsistent errors in/out of root
    root_test.go:2323: root.MkdirAll("target/", 0o777):
    root_test.go:2324:   error: <nil>
    root_test.go:2325: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA2674644330/002/ROOT/target/", 0o777):
    root_test.go:2326:   error: mkdir /home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA2674644330/002/ROOT/target/: file exists
    root_test.go:2333: inconsistent filesystem after running in/out of root
    root_test.go:2334: root.MkdirAll("target/", 0o777):
    root_test.go:2336:   drwxr-xr-x DIR/
    root_test.go:2336:   drwxr-xr-x s_target/
    root_test.go:2336:   Lrwxr-xr-x target => s_target
    root_test.go:2338: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA2674644330/002/ROOT/target/", 0o777):
    root_test.go:2340:   drwxr-xr-x DIR/
    root_test.go:2340:   Lrwxr-xr-x target => s_target
    root_test.go:2237: Initial directory contents:
    root_test.go:2239:   drwxr-xr-x DIR/
    root_test.go:2239:   Lrwxr-xr-x target => s_target
--- FAIL: TestRootMultiMkdirAllShallow/bsSbA (0.03s)

2026-07-10 19:31 gotip-openbsd-arm64 go@668ec589 os.TestRootMultiMkdirAllShallow/bsSbsA (log)

=== RUN   TestRootMultiMkdirAllShallow/bsSbsA
    root_test.go:2322: inconsistent errors in/out of root
    root_test.go:2323: root.MkdirAll("target/", 0o777):
    root_test.go:2324:   error: <nil>
    root_test.go:2325: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbsA1762756423/002/ROOT/target/", 0o777):
    root_test.go:2326:   error: mkdir /home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbsA1762756423/002/ROOT/target/: file exists
    root_test.go:2333: inconsistent filesystem after running in/out of root
    root_test.go:2334: root.MkdirAll("target/", 0o777):
    root_test.go:2336:   drwxr-xr-x DIR/
    root_test.go:2336:   drwxr-xr-x s_target/
    root_test.go:2336:   Lrwxr-xr-x target => s_target/
    root_test.go:2338: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbsA1762756423/002/ROOT/target/", 0o777):
    root_test.go:2340:   drwxr-xr-x DIR/
    root_test.go:2340:   Lrwxr-xr-x target => s_target/
    root_test.go:2237: Initial directory contents:
    root_test.go:2239:   drwxr-xr-x DIR/
    root_test.go:2239:   Lrwxr-xr-x target => s_target/
--- FAIL: TestRootMultiMkdirAllShallow/bsSbsA (0.04s)

2026-07-10 19:31 gotip-openbsd-arm64 go@03845e30 os.TestRootMultiMkdirAllShallow/bsSbA (log)

=== RUN   TestRootMultiMkdirAllShallow/bsSbA
    root_test.go:2322: inconsistent errors in/out of root
    root_test.go:2323: root.MkdirAll("target/", 0o777):
    root_test.go:2324:   error: <nil>
    root_test.go:2325: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA2921343073/002/ROOT/target/", 0o777):
    root_test.go:2326:   error: mkdir /home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA2921343073/002/ROOT/target/: file exists
    root_test.go:2333: inconsistent filesystem after running in/out of root
    root_test.go:2334: root.MkdirAll("target/", 0o777):
    root_test.go:2336:   drwxr-xr-x DIR/
    root_test.go:2336:   drwxr-xr-x s_target/
    root_test.go:2336:   Lrwxr-xr-x target => s_target
    root_test.go:2338: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA2921343073/002/ROOT/target/", 0o777):
    root_test.go:2340:   drwxr-xr-x DIR/
    root_test.go:2340:   Lrwxr-xr-x target => s_target
    root_test.go:2237: Initial directory contents:
    root_test.go:2239:   drwxr-xr-x DIR/
    root_test.go:2239:   Lrwxr-xr-x target => s_target
--- FAIL: TestRootMultiMkdirAllShallow/bsSbA (0.02s)

2026-07-10 19:31 gotip-openbsd-arm64 go@03845e30 os.TestRootMultiMkdirAllShallow/bsSbsA (log)

=== RUN   TestRootMultiMkdirAllShallow/bsSbsA
    root_test.go:2322: inconsistent errors in/out of root
    root_test.go:2323: root.MkdirAll("target/", 0o777):
    root_test.go:2324:   error: <nil>
    root_test.go:2325: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbsA3746693502/002/ROOT/target/", 0o777):
    root_test.go:2326:   error: mkdir /home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbsA3746693502/002/ROOT/target/: file exists
    root_test.go:2333: inconsistent filesystem after running in/out of root
    root_test.go:2334: root.MkdirAll("target/", 0o777):
    root_test.go:2336:   drwxr-xr-x DIR/
    root_test.go:2336:   drwxr-xr-x s_target/
    root_test.go:2336:   Lrwxr-xr-x target => s_target/
    root_test.go:2338: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbsA3746693502/002/ROOT/target/", 0o777):
    root_test.go:2340:   drwxr-xr-x DIR/
    root_test.go:2340:   Lrwxr-xr-x target => s_target/
    root_test.go:2237: Initial directory contents:
    root_test.go:2239:   drwxr-xr-x DIR/
    root_test.go:2239:   Lrwxr-xr-x target => s_target/
--- FAIL: TestRootMultiMkdirAllShallow/bsSbsA (0.02s)

2026-07-13 19:22 gotip-openbsd-arm64 go@94635846 os.TestRootMultiMkdirAllShallow/bsSbA (log)

=== RUN   TestRootMultiMkdirAllShallow/bsSbA
    root_test.go:2322: inconsistent errors in/out of root
    root_test.go:2323: root.MkdirAll("target/", 0o777):
    root_test.go:2324:   error: <nil>
    root_test.go:2325: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA3568799549/002/ROOT/target/", 0o777):
    root_test.go:2326:   error: mkdir /home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA3568799549/002/ROOT/target/: file exists
    root_test.go:2333: inconsistent filesystem after running in/out of root
    root_test.go:2334: root.MkdirAll("target/", 0o777):
    root_test.go:2336:   drwxr-xr-x DIR/
    root_test.go:2336:   drwxr-xr-x s_target/
    root_test.go:2336:   Lrwxr-xr-x target => s_target
    root_test.go:2338: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA3568799549/002/ROOT/target/", 0o777):
    root_test.go:2340:   drwxr-xr-x DIR/
    root_test.go:2340:   Lrwxr-xr-x target => s_target
    root_test.go:2237: Initial directory contents:
    root_test.go:2239:   drwxr-xr-x DIR/
    root_test.go:2239:   Lrwxr-xr-x target => s_target
--- FAIL: TestRootMultiMkdirAllShallow/bsSbA (0.03s)

2026-07-13 19:22 gotip-openbsd-arm64 go@94635846 os.TestRootMultiMkdirAllShallow/bsSbsA (log)

=== RUN   TestRootMultiMkdirAllShallow/bsSbsA
    root_test.go:2322: inconsistent errors in/out of root
    root_test.go:2323: root.MkdirAll("target/", 0o777):
    root_test.go:2324:   error: <nil>
    root_test.go:2325: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbsA2770942344/002/ROOT/target/", 0o777):
    root_test.go:2326:   error: mkdir /home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbsA2770942344/002/ROOT/target/: file exists
    root_test.go:2333: inconsistent filesystem after running in/out of root
    root_test.go:2334: root.MkdirAll("target/", 0o777):
    root_test.go:2336:   drwxr-xr-x DIR/
    root_test.go:2336:   drwxr-xr-x s_target/
    root_test.go:2336:   Lrwxr-xr-x target => s_target/
    root_test.go:2338: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbsA2770942344/002/ROOT/target/", 0o777):
    root_test.go:2340:   drwxr-xr-x DIR/
    root_test.go:2340:   Lrwxr-xr-x target => s_target/
    root_test.go:2237: Initial directory contents:
    root_test.go:2239:   drwxr-xr-x DIR/
    root_test.go:2239:   Lrwxr-xr-x target => s_target/
--- FAIL: TestRootMultiMkdirAllShallow/bsSbsA (0.06s)

2026-07-13 21:06 gotip-openbsd-arm64 go@a1298407 os.TestRootMultiMkdirAllShallow/bsSbA (log)

=== RUN   TestRootMultiMkdirAllShallow/bsSbA
    root_test.go:2322: inconsistent errors in/out of root
    root_test.go:2323: root.MkdirAll("target/", 0o777):
    root_test.go:2324:   error: <nil>
    root_test.go:2325: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA2372125339/002/ROOT/target/", 0o777):
    root_test.go:2326:   error: mkdir /home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA2372125339/002/ROOT/target/: file exists
    root_test.go:2333: inconsistent filesystem after running in/out of root
    root_test.go:2334: root.MkdirAll("target/", 0o777):
    root_test.go:2336:   drwxr-xr-x DIR/
    root_test.go:2336:   drwxr-xr-x s_target/
    root_test.go:2336:   Lrwxr-xr-x target => s_target
    root_test.go:2338: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA2372125339/002/ROOT/target/", 0o777):
    root_test.go:2340:   drwxr-xr-x DIR/
    root_test.go:2340:   Lrwxr-xr-x target => s_target
    root_test.go:2237: Initial directory contents:
    root_test.go:2239:   drwxr-xr-x DIR/
    root_test.go:2239:   Lrwxr-xr-x target => s_target
--- FAIL: TestRootMultiMkdirAllShallow/bsSbA (0.02s)

2026-07-13 21:06 gotip-openbsd-arm64 go@a1298407 os.TestRootMultiMkdirAllShallow/bsSbsA (log)

=== RUN   TestRootMultiMkdirAllShallow/bsSbsA
    root_test.go:2322: inconsistent errors in/out of root
    root_test.go:2323: root.MkdirAll("target/", 0o777):
    root_test.go:2324:   error: <nil>
    root_test.go:2325: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbsA1514070162/002/ROOT/target/", 0o777):
    root_test.go:2326:   error: mkdir /home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbsA1514070162/002/ROOT/target/: file exists
    root_test.go:2333: inconsistent filesystem after running in/out of root
    root_test.go:2334: root.MkdirAll("target/", 0o777):
    root_test.go:2336:   drwxr-xr-x DIR/
    root_test.go:2336:   drwxr-xr-x s_target/
    root_test.go:2336:   Lrwxr-xr-x target => s_target/
    root_test.go:2338: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbsA1514070162/002/ROOT/target/", 0o777):
    root_test.go:2340:   drwxr-xr-x DIR/
    root_test.go:2340:   Lrwxr-xr-x target => s_target/
    root_test.go:2237: Initial directory contents:
    root_test.go:2239:   drwxr-xr-x DIR/
    root_test.go:2239:   Lrwxr-xr-x target => s_target/
--- FAIL: TestRootMultiMkdirAllShallow/bsSbsA (0.02s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "os" && test ~ `TestRootMultiMkdirAllShallow.*` && goos == "openbsd"

2026-07-14 16:32 gotip-openbsd-amd64 go@fcf88788 os.TestRootMultiMkdirAllShallow/bsSbA (log)

=== RUN   TestRootMultiMkdirAllShallow/bsSbA
    root_test.go:2322: inconsistent errors in/out of root
    root_test.go:2323: root.MkdirAll("target/", 0o777):
    root_test.go:2324:   error: <nil>
    root_test.go:2325: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA982557946/002/ROOT/target/", 0o777):
    root_test.go:2326:   error: mkdir /home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA982557946/002/ROOT/target/: file exists
    root_test.go:2333: inconsistent filesystem after running in/out of root
    root_test.go:2334: root.MkdirAll("target/", 0o777):
    root_test.go:2336:   drwxr-xr-x DIR/
    root_test.go:2336:   drwxr-xr-x s_target/
    root_test.go:2336:   Lrwxr-xr-x target => s_target
    root_test.go:2338: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA982557946/002/ROOT/target/", 0o777):
    root_test.go:2340:   drwxr-xr-x DIR/
    root_test.go:2340:   Lrwxr-xr-x target => s_target
    root_test.go:2237: Initial directory contents:
    root_test.go:2239:   drwxr-xr-x DIR/
    root_test.go:2239:   Lrwxr-xr-x target => s_target
--- FAIL: TestRootMultiMkdirAllShallow/bsSbA (0.05s)

2026-07-14 16:32 gotip-openbsd-amd64 go@fcf88788 os.TestRootMultiMkdirAllShallow/bsSbsA (log)

=== RUN   TestRootMultiMkdirAllShallow/bsSbsA
    root_test.go:2322: inconsistent errors in/out of root
    root_test.go:2323: root.MkdirAll("target/", 0o777):
    root_test.go:2324:   error: <nil>
    root_test.go:2325: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbsA921977678/002/ROOT/target/", 0o777):
    root_test.go:2326:   error: mkdir /home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbsA921977678/002/ROOT/target/: file exists
    root_test.go:2333: inconsistent filesystem after running in/out of root
    root_test.go:2334: root.MkdirAll("target/", 0o777):
    root_test.go:2336:   drwxr-xr-x DIR/
    root_test.go:2336:   drwxr-xr-x s_target/
    root_test.go:2336:   Lrwxr-xr-x target => s_target/
    root_test.go:2338: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbsA921977678/002/ROOT/target/", 0o777):
    root_test.go:2340:   drwxr-xr-x DIR/
    root_test.go:2340:   Lrwxr-xr-x target => s_target/
    root_test.go:2237: Initial directory contents:
    root_test.go:2239:   drwxr-xr-x DIR/
    root_test.go:2239:   Lrwxr-xr-x target => s_target/
--- FAIL: TestRootMultiMkdirAllShallow/bsSbsA (0.05s)

2026-07-14 16:39 gotip-openbsd-amd64 go@a4d587ad os.TestRootMultiMkdirAllShallow/bsSbA (log)

=== RUN   TestRootMultiMkdirAllShallow/bsSbA
    root_test.go:2322: inconsistent errors in/out of root
    root_test.go:2323: root.MkdirAll("target/", 0o777):
    root_test.go:2324:   error: <nil>
    root_test.go:2325: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA2797135389/002/ROOT/target/", 0o777):
    root_test.go:2326:   error: mkdir /home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA2797135389/002/ROOT/target/: file exists
    root_test.go:2333: inconsistent filesystem after running in/out of root
    root_test.go:2334: root.MkdirAll("target/", 0o777):
    root_test.go:2336:   drwxr-xr-x DIR/
    root_test.go:2336:   drwxr-xr-x s_target/
    root_test.go:2336:   Lrwxr-xr-x target => s_target
    root_test.go:2338: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbA2797135389/002/ROOT/target/", 0o777):
    root_test.go:2340:   drwxr-xr-x DIR/
    root_test.go:2340:   Lrwxr-xr-x target => s_target
    root_test.go:2237: Initial directory contents:
    root_test.go:2239:   drwxr-xr-x DIR/
    root_test.go:2239:   Lrwxr-xr-x target => s_target
--- FAIL: TestRootMultiMkdirAllShallow/bsSbA (0.04s)

2026-07-14 16:39 gotip-openbsd-amd64 go@a4d587ad os.TestRootMultiMkdirAllShallow/bsSbsA (log)

=== RUN   TestRootMultiMkdirAllShallow/bsSbsA
    root_test.go:2322: inconsistent errors in/out of root
    root_test.go:2323: root.MkdirAll("target/", 0o777):
    root_test.go:2324:   error: <nil>
    root_test.go:2325: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbsA3334109047/002/ROOT/target/", 0o777):
    root_test.go:2326:   error: mkdir /home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbsA3334109047/002/ROOT/target/: file exists
    root_test.go:2333: inconsistent filesystem after running in/out of root
    root_test.go:2334: root.MkdirAll("target/", 0o777):
    root_test.go:2336:   drwxr-xr-x DIR/
    root_test.go:2336:   drwxr-xr-x s_target/
    root_test.go:2336:   Lrwxr-xr-x target => s_target/
    root_test.go:2338: os.MkdirAll("/home/swarming/.swarming/w/ir/x/t/TestRootMultiMkdirAllShallowbsSbsA3334109047/002/ROOT/target/", 0o777):
    root_test.go:2340:   drwxr-xr-x DIR/
    root_test.go:2340:   Lrwxr-xr-x target => s_target/
    root_test.go:2237: Initial directory contents:
    root_test.go:2239:   drwxr-xr-x DIR/
    root_test.go:2239:   Lrwxr-xr-x target => s_target/
--- FAIL: TestRootMultiMkdirAllShallow/bsSbsA (0.04s)

— watchflakes

[gopherbot]

Change https://go.dev/cl/800700 mentions this issue: os: don't symlink on Root.Mkdir("symlink/") on openbsd