build: build failure on gotip-linux-amd64_c4dh96-perf_vs_release [consistent failure]

[gopherbot]

#!watchflakes
default <- builder == "gotip-linux-amd64_c4dh96-perf_vs_release" && repo == "go" && mode == "build"

Issue created automatically to collect these failures.

Example (log):

go: downloading github.com/BurntSushi/toml v1.0.0
go: downloading github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51
2026/07/15 20:34:50 Load average: 13.47 20.54 18.24 2/1208 1674514
2026/07/15 20:34:50 Waiting for load average to drop below 0.20...
2026/07/15 20:35:20 Load average: 8.16 18.58 17.66 1/1208 1674514
2026/07/15 20:35:20 Waiting for load average to drop below 0.20...
2026/07/15 20:35:50 Load average: 4.95 16.80 17.09 1/1208 1674514
2026/07/15 20:35:50 Waiting for load average to drop below 0.20...
2026/07/15 20:36:20 Load average: 3.00 15.20 16.55 2/1208 1674514
2026/07/15 20:36:20 Waiting for load average to drop below 0.20...
...
panic: setting already defined: sql.multiregion.drop_primary_region.enabled

goroutine 1 [running]:
github.com/cockroachdb/cockroach/pkg/settings.checkNameFound({0x5e7f92c, 0x2b})
	/home/swarming/.swarming/w/ir/x/t/go-sweet1469083750/work/cockroachdb/src/pkg/settings/registry.go:347 +0x187
github.com/cockroachdb/cockroach/pkg/settings.register(0x2, {0x5e7f92c, 0x2b}, {0x5f8fa08, 0x49}, {0xbf68028, 0x3c47d98db740})
	/home/swarming/.swarming/w/ir/x/t/go-sweet1469083750/work/cockroachdb/src/pkg/settings/registry.go:356 +0x4b
github.com/cockroachdb/cockroach/pkg/settings.RegisterBoolSetting(0x2, {0x5e7f92c, 0x2b}, {0x5f8fa08, 0x49}, 0x1, {0x3c47d8f5ce80, 0x1, 0x1})
	/home/swarming/.swarming/w/ir/x/t/go-sweet1469083750/work/cockroachdb/src/pkg/settings/bool.go:157 +0x126

...
[sweet] Running benchmark tile38 for experiment: run 8
[sweet] Running benchmark tile38 for baseline: run 8
[sweet] Running benchmark tile38 for experiment: run 9
[sweet] Running benchmark tile38 for baseline: run 9
[sweet] Running benchmark tile38 for experiment: run 10
[sweet] Running benchmark tile38 for baseline: run 10
[sweet] error: failed to execute benchmarks: cockroachdb
2026/07/15 23:09:07 Error running sweet: error running sweet run: exit status 1
2026/07/15 23:09:07 FAIL
exit status 1

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- builder == "gotip-linux-amd64_c4dh96-perf_vs_release" && repo == "go" && mode == "build"

2026-07-15 19:59 gotip-linux-amd64_c4dh96-perf_vs_release go@f23bcc2f [build] (log)

go: downloading github.com/BurntSushi/toml v1.0.0
go: downloading github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51
2026/07/15 20:34:50 Load average: 13.47 20.54 18.24 2/1208 1674514
2026/07/15 20:34:50 Waiting for load average to drop below 0.20...
2026/07/15 20:35:20 Load average: 8.16 18.58 17.66 1/1208 1674514
2026/07/15 20:35:20 Waiting for load average to drop below 0.20...
2026/07/15 20:35:50 Load average: 4.95 16.80 17.09 1/1208 1674514
2026/07/15 20:35:50 Waiting for load average to drop below 0.20...
2026/07/15 20:36:20 Load average: 3.00 15.20 16.55 2/1208 1674514
2026/07/15 20:36:20 Waiting for load average to drop below 0.20...
...
panic: setting already defined: sql.multiregion.drop_primary_region.enabled

goroutine 1 [running]:
github.com/cockroachdb/cockroach/pkg/settings.checkNameFound({0x5e7f92c, 0x2b})
	/home/swarming/.swarming/w/ir/x/t/go-sweet1469083750/work/cockroachdb/src/pkg/settings/registry.go:347 +0x187
github.com/cockroachdb/cockroach/pkg/settings.register(0x2, {0x5e7f92c, 0x2b}, {0x5f8fa08, 0x49}, {0xbf68028, 0x3c47d98db740})
	/home/swarming/.swarming/w/ir/x/t/go-sweet1469083750/work/cockroachdb/src/pkg/settings/registry.go:356 +0x4b
github.com/cockroachdb/cockroach/pkg/settings.RegisterBoolSetting(0x2, {0x5e7f92c, 0x2b}, {0x5f8fa08, 0x49}, 0x1, {0x3c47d8f5ce80, 0x1, 0x1})
	/home/swarming/.swarming/w/ir/x/t/go-sweet1469083750/work/cockroachdb/src/pkg/settings/bool.go:157 +0x126

...
[sweet] Running benchmark tile38 for experiment: run 8
[sweet] Running benchmark tile38 for baseline: run 8
[sweet] Running benchmark tile38 for experiment: run 9
[sweet] Running benchmark tile38 for baseline: run 9
[sweet] Running benchmark tile38 for experiment: run 10
[sweet] Running benchmark tile38 for baseline: run 10
[sweet] error: failed to execute benchmarks: cockroachdb
2026/07/15 23:09:07 Error running sweet: error running sweet run: exit status 1
2026/07/15 23:09:07 FAIL
exit status 1

2026-07-15 20:13 gotip-linux-amd64_c4dh96-perf_vs_release go@553ac454 [build] (log)

go: downloading github.com/BurntSushi/toml v1.0.0
go: downloading github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51
2026/07/15 20:29:19 Load average: 0.14 0.03 0.01 1/1170 8663
2026/07/15 20:29:19 Running Go test benchmarks for experiment
go: downloading github.com/dustin/go-wikiparse v0.0.0-20211018054215-c01ec186f20c
go: downloading golang.org/x/sys v0.47.0
go: downloading github.com/google/pprof v0.0.0-20241017200806-017d972448fc
go: downloading github.com/blevesearch/bleve v1.0.14
go: downloading github.com/biogo/store v0.0.0-20201120204734-aad293a2328f
go: downloading gitlab.com/golang-commonmark/markdown v0.0.0-20211110145824-bf3e522c626a
...
panic: setting already defined: sql.multiregion.drop_primary_region.enabled

goroutine 1 [running]:
github.com/cockroachdb/cockroach/pkg/settings.checkNameFound({0x5e7f92c, 0x2b})
	/home/swarming/.swarming/w/ir/x/t/go-sweet1665805313/work/cockroachdb/src/pkg/settings/registry.go:347 +0x187
github.com/cockroachdb/cockroach/pkg/settings.register(0x2, {0x5e7f92c, 0x2b}, {0x5f8fa08, 0x49}, {0xbf68028, 0x8266d36bbc0})
	/home/swarming/.swarming/w/ir/x/t/go-sweet1665805313/work/cockroachdb/src/pkg/settings/registry.go:356 +0x4b
github.com/cockroachdb/cockroach/pkg/settings.RegisterBoolSetting(0x2, {0x5e7f92c, 0x2b}, {0x5f8fa08, 0x49}, 0x1, {0x8266cd38c40, 0x1, 0x1})
	/home/swarming/.swarming/w/ir/x/t/go-sweet1665805313/work/cockroachdb/src/pkg/settings/bool.go:157 +0x126

...
[sweet] Running benchmark tile38 for experiment: run 8
[sweet] Running benchmark tile38 for baseline: run 8
[sweet] Running benchmark tile38 for experiment: run 9
[sweet] Running benchmark tile38 for baseline: run 9
[sweet] Running benchmark tile38 for experiment: run 10
[sweet] Running benchmark tile38 for baseline: run 10
[sweet] error: failed to execute benchmarks: cockroachdb
2026/07/15 23:00:40 Error running sweet: error running sweet run: exit status 1
2026/07/15 23:00:40 FAIL
exit status 1

2026-07-15 20:16 gotip-linux-amd64_c4dh96-perf_vs_release go@56d7cfd4 [build] (log)

go: downloading github.com/BurntSushi/toml v1.0.0
go: downloading github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51
2026/07/15 20:28:55 Load average: 12.54 17.57 17.44 1/1190 1685680
2026/07/15 20:28:55 Waiting for load average to drop below 0.20...
2026/07/15 20:29:25 Load average: 7.65 15.90 16.89 1/1191 1685681
2026/07/15 20:29:25 Waiting for load average to drop below 0.20...
2026/07/15 20:29:55 Load average: 4.64 14.38 16.36 2/1191 1685681
2026/07/15 20:29:55 Waiting for load average to drop below 0.20...
2026/07/15 20:30:25 Load average: 2.81 13.01 15.84 2/1191 1685681
2026/07/15 20:30:25 Waiting for load average to drop below 0.20...
...
panic: setting already defined: sql.multiregion.drop_primary_region.enabled

goroutine 1 [running]:
github.com/cockroachdb/cockroach/pkg/settings.checkNameFound({0x5caf92c, 0x2b})
	/home/swarming/.swarming/w/ir/x/t/go-sweet3994592514/work/cockroachdb/src/pkg/settings/registry.go:347 +0x187
github.com/cockroachdb/cockroach/pkg/settings.register(0x2, {0x5caf92c, 0x2b}, {0x5dbfa08, 0x49}, {0xbd299c8, 0x1b35cb8993e0})
	/home/swarming/.swarming/w/ir/x/t/go-sweet3994592514/work/cockroachdb/src/pkg/settings/registry.go:356 +0x4b
github.com/cockroachdb/cockroach/pkg/settings.RegisterBoolSetting(0x2, {0x5caf92c, 0x2b}, {0x5dbfa08, 0x49}, 0x1, {0x1b35caf2dc40, 0x1, 0x1})
	/home/swarming/.swarming/w/ir/x/t/go-sweet3994592514/work/cockroachdb/src/pkg/settings/bool.go:157 +0x126

...
[sweet] Running benchmark tile38 for experiment: run 8
[sweet] Running benchmark tile38 for baseline: run 8
[sweet] Running benchmark tile38 for experiment: run 9
[sweet] Running benchmark tile38 for baseline: run 9
[sweet] Running benchmark tile38 for experiment: run 10
[sweet] Running benchmark tile38 for baseline: run 10
[sweet] error: failed to execute benchmarks: cockroachdb
2026/07/15 23:03:52 Error running sweet: error running sweet run: exit status 1
2026/07/15 23:03:52 FAIL
exit status 1

2026-07-15 22:05 gotip-linux-amd64_c4dh96-perf_vs_release go@e7d8668a [build] (log)

go: downloading github.com/BurntSushi/toml v1.0.0
go: downloading github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51
2026/07/15 23:09:52 Load average: 10.72 19.26 19.51 1/1185 7838
2026/07/15 23:09:52 Waiting for load average to drop below 0.20...
2026/07/15 23:10:22 Load average: 6.56 17.43 18.90 1/1186 7838
2026/07/15 23:10:22 Waiting for load average to drop below 0.20...
2026/07/15 23:10:52 Load average: 3.97 15.77 18.29 1/1186 7838
2026/07/15 23:10:52 Waiting for load average to drop below 0.20...
2026/07/15 23:11:22 Load average: 2.41 14.26 17.71 1/1188 7838
2026/07/15 23:11:22 Waiting for load average to drop below 0.20...
...
panic: setting already defined: sql.multiregion.drop_primary_region.enabled

goroutine 1 [running]:
github.com/cockroachdb/cockroach/pkg/settings.checkNameFound({0x5cae948, 0x2b})
	/home/swarming/.swarming/w/ir/x/t/go-sweet445473169/work/cockroachdb/src/pkg/settings/registry.go:347 +0x187
github.com/cockroachdb/cockroach/pkg/settings.register(0x2, {0x5cae948, 0x2b}, {0x5dbea23, 0x49}, {0xbd225a0, 0x3608f316d260})
	/home/swarming/.swarming/w/ir/x/t/go-sweet445473169/work/cockroachdb/src/pkg/settings/registry.go:356 +0x4b
github.com/cockroachdb/cockroach/pkg/settings.RegisterBoolSetting(0x2, {0x5cae948, 0x2b}, {0x5dbea23, 0x49}, 0x1, {0x3608f2924740, 0x1, 0x1})
	/home/swarming/.swarming/w/ir/x/t/go-sweet445473169/work/cockroachdb/src/pkg/settings/bool.go:157 +0x126

...
[sweet] Running benchmark tile38 for experiment: run 8
[sweet] Running benchmark tile38 for baseline: run 8
[sweet] Running benchmark tile38 for experiment: run 9
[sweet] Running benchmark tile38 for baseline: run 9
[sweet] Running benchmark tile38 for experiment: run 10
[sweet] Running benchmark tile38 for baseline: run 10
[sweet] error: failed to execute benchmarks: cockroachdb
2026/07/16 01:42:50 Error running sweet: error running sweet run: exit status 1
2026/07/16 01:42:50 FAIL
exit status 1

2026-07-15 22:09 gotip-linux-amd64_c4dh96-perf_vs_release go@4bbe2752 [build] (log)

go: downloading github.com/BurntSushi/toml v1.0.0
go: downloading github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51
2026/07/15 23:04:33 Load average: 0.87 12.50 17.25 1/1197 7843
2026/07/15 23:04:33 Waiting for load average to drop below 0.20...
2026/07/15 23:05:03 Load average: 0.52 11.30 16.70 1/1197 7843
2026/07/15 23:05:03 Waiting for load average to drop below 0.20...
2026/07/15 23:05:33 Load average: 0.32 10.22 16.17 2/1198 7844
2026/07/15 23:05:33 Waiting for load average to drop below 0.20...
2026/07/15 23:06:03 Load average: 0.19 9.24 15.65 1/1198 7844
2026/07/15 23:06:03 Running Go test benchmarks for experiment
...
panic: setting already defined: sql.multiregion.drop_primary_region.enabled

goroutine 1 [running]:
github.com/cockroachdb/cockroach/pkg/settings.checkNameFound({0x5cae948, 0x2b})
	/home/swarming/.swarming/w/ir/x/t/go-sweet1897898048/work/cockroachdb/src/pkg/settings/registry.go:347 +0x187
github.com/cockroachdb/cockroach/pkg/settings.register(0x2, {0x5cae948, 0x2b}, {0x5dbea23, 0x49}, {0xbd234f0, 0x102f3e816de0})
	/home/swarming/.swarming/w/ir/x/t/go-sweet1897898048/work/cockroachdb/src/pkg/settings/registry.go:356 +0x4b
github.com/cockroachdb/cockroach/pkg/settings.RegisterBoolSetting(0x2, {0x5cae948, 0x2b}, {0x5dbea23, 0x49}, 0x1, {0x102f3df6d3c0, 0x1, 0x1})
	/home/swarming/.swarming/w/ir/x/t/go-sweet1897898048/work/cockroachdb/src/pkg/settings/bool.go:157 +0x126

...
[sweet] Running benchmark tile38 for experiment: run 8
[sweet] Running benchmark tile38 for baseline: run 8
[sweet] Running benchmark tile38 for experiment: run 9
[sweet] Running benchmark tile38 for baseline: run 9
[sweet] Running benchmark tile38 for experiment: run 10
[sweet] Running benchmark tile38 for baseline: run 10
[sweet] error: failed to execute benchmarks: cockroachdb
2026/07/16 01:34:34 Error running sweet: error running sweet run: exit status 1
2026/07/16 01:34:34 FAIL
exit status 1

2026-07-15 22:11 gotip-linux-amd64_c4dh96-perf_vs_release go@9f1012d9 [build] (log)

go: downloading github.com/BurntSushi/toml v1.0.0
go: downloading github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51
2026/07/15 23:01:25 Load average: 0.22 0.05 0.02 1/1164 8987
2026/07/15 23:01:25 Waiting for load average to drop below 0.20...
2026/07/15 23:01:55 Load average: 0.13 0.04 0.01 1/1164 8987
2026/07/15 23:01:55 Running Go test benchmarks for experiment
go: downloading github.com/biogo/biogo v1.0.4
go: downloading github.com/biogo/store v0.0.0-20201120204734-aad293a2328f
go: downloading golang.org/x/sync v0.22.0
go: downloading github.com/yuin/gopher-lua v1.1.1
...
panic: setting already defined: sql.multiregion.drop_primary_region.enabled

goroutine 1 [running]:
github.com/cockroachdb/cockroach/pkg/settings.checkNameFound({0x5cae948, 0x2b})
	/home/swarming/.swarming/w/ir/x/t/go-sweet1223107453/work/cockroachdb/src/pkg/settings/registry.go:347 +0x187
github.com/cockroachdb/cockroach/pkg/settings.register(0x2, {0x5cae948, 0x2b}, {0x5dbea23, 0x49}, {0xbd234f0, 0x256ce220a960})
	/home/swarming/.swarming/w/ir/x/t/go-sweet1223107453/work/cockroachdb/src/pkg/settings/registry.go:356 +0x4b
github.com/cockroachdb/cockroach/pkg/settings.RegisterBoolSetting(0x2, {0x5cae948, 0x2b}, {0x5dbea23, 0x49}, 0x1, {0x256ce1a81500, 0x1, 0x1})
	/home/swarming/.swarming/w/ir/x/t/go-sweet1223107453/work/cockroachdb/src/pkg/settings/bool.go:157 +0x126

...
[sweet] Running benchmark tile38 for experiment: run 8
[sweet] Running benchmark tile38 for baseline: run 8
[sweet] Running benchmark tile38 for experiment: run 9
[sweet] Running benchmark tile38 for baseline: run 9
[sweet] Running benchmark tile38 for experiment: run 10
[sweet] Running benchmark tile38 for baseline: run 10
[sweet] error: failed to execute benchmarks: cockroachdb
2026/07/16 01:34:03 Error running sweet: error running sweet run: exit status 1
2026/07/16 01:34:03 FAIL
exit status 1

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- builder == "gotip-linux-amd64_c4dh96-perf_vs_release" && repo == "go" && mode == "build"

2026-07-15 21:59 gotip-linux-amd64_c4dh96-perf_vs_release go@9b1a7260 [build] (log)

go: downloading github.com/BurntSushi/toml v1.0.0
go: downloading github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51
2026/07/16 01:43:32 Load average: 0.07 3.41 10.21 1/1172 7839
2026/07/16 01:43:32 Running Go test benchmarks for experiment
go: downloading github.com/blevesearch/bleve v1.0.14
go: downloading github.com/gomodule/redigo v1.9.2
go: downloading github.com/biogo/biogo v1.0.4
go: downloading github.com/google/pprof v0.0.0-20241017200806-017d972448fc
go: downloading golang.org/x/sync v0.22.0
go: downloading github.com/yuin/gopher-lua v1.1.1
...
panic: setting already defined: sql.multiregion.drop_primary_region.enabled

goroutine 1 [running]:
github.com/cockroachdb/cockroach/pkg/settings.checkNameFound({0x5cae948, 0x2b})
	/home/swarming/.swarming/w/ir/x/t/go-sweet4176656138/work/cockroachdb/src/pkg/settings/registry.go:347 +0x187
github.com/cockroachdb/cockroach/pkg/settings.register(0x2, {0x5cae948, 0x2b}, {0x5dbea23, 0x49}, {0xbd234f0, 0xf6b14622660})
	/home/swarming/.swarming/w/ir/x/t/go-sweet4176656138/work/cockroachdb/src/pkg/settings/registry.go:356 +0x4b
github.com/cockroachdb/cockroach/pkg/settings.RegisterBoolSetting(0x2, {0x5cae948, 0x2b}, {0x5dbea23, 0x49}, 0x1, {0xf6b1447fe80, 0x1, 0x1})
	/home/swarming/.swarming/w/ir/x/t/go-sweet4176656138/work/cockroachdb/src/pkg/settings/bool.go:157 +0x126

...
[sweet] Running benchmark tile38 for experiment: run 8
[sweet] Running benchmark tile38 for baseline: run 8
[sweet] Running benchmark tile38 for experiment: run 9
[sweet] Running benchmark tile38 for baseline: run 9
[sweet] Running benchmark tile38 for experiment: run 10
[sweet] Running benchmark tile38 for baseline: run 10
[sweet] error: failed to execute benchmarks: cockroachdb
2026/07/16 04:13:01 Error running sweet: error running sweet run: exit status 1
2026/07/16 04:13:01 FAIL
exit status 1

2026-07-16 00:25 gotip-linux-amd64_c4dh96-perf_vs_release go@d31e2b67 [build] (log)

go: downloading github.com/BurntSushi/toml v1.0.0
go: downloading github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51
2026/07/16 01:35:18 Load average: 16.77 19.82 19.32 1/1196 7693
2026/07/16 01:35:18 Waiting for load average to drop below 0.20...
2026/07/16 01:35:48 Load average: 10.22 17.94 18.71 1/1196 7693
2026/07/16 01:35:48 Waiting for load average to drop below 0.20...
2026/07/16 01:36:18 Load average: 6.20 16.23 18.11 2/1196 7693
2026/07/16 01:36:18 Waiting for load average to drop below 0.20...
2026/07/16 01:36:48 Load average: 3.75 14.68 17.53 2/1197 7693
2026/07/16 01:36:48 Waiting for load average to drop below 0.20...
...
panic: setting already defined: sql.multiregion.drop_primary_region.enabled

goroutine 1 [running]:
github.com/cockroachdb/cockroach/pkg/settings.checkNameFound({0x5cae948, 0x2b})
	/home/swarming/.swarming/w/ir/x/t/go-sweet2645718555/work/cockroachdb/src/pkg/settings/registry.go:347 +0x187
github.com/cockroachdb/cockroach/pkg/settings.register(0x2, {0x5cae948, 0x2b}, {0x5dbea23, 0x49}, {0xbd234f0, 0x1f96e3e64840})
	/home/swarming/.swarming/w/ir/x/t/go-sweet2645718555/work/cockroachdb/src/pkg/settings/registry.go:356 +0x4b
github.com/cockroachdb/cockroach/pkg/settings.RegisterBoolSetting(0x2, {0x5cae948, 0x2b}, {0x5dbea23, 0x49}, 0x1, {0x1f96e36bf4c0, 0x1, 0x1})
	/home/swarming/.swarming/w/ir/x/t/go-sweet2645718555/work/cockroachdb/src/pkg/settings/bool.go:157 +0x126

...
[sweet] Running benchmark tile38 for experiment: run 8
[sweet] Running benchmark tile38 for baseline: run 8
[sweet] Running benchmark tile38 for experiment: run 9
[sweet] Running benchmark tile38 for baseline: run 9
[sweet] Running benchmark tile38 for experiment: run 10
[sweet] Running benchmark tile38 for baseline: run 10
[sweet] error: failed to execute benchmarks: cockroachdb
2026/07/16 04:08:03 Error running sweet: error running sweet run: exit status 1
2026/07/16 04:08:03 FAIL
exit status 1

2026-07-16 00:53 gotip-linux-amd64_c4dh96-perf_vs_release go@831c5835 [build] (log)

go: downloading github.com/BurntSushi/toml v1.0.0
go: downloading github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51
2026/07/16 01:34:49 Load average: 0.22 0.05 0.04 1/1158 8314
2026/07/16 01:34:49 Waiting for load average to drop below 0.20...
2026/07/16 01:35:19 Load average: 0.13 0.04 0.04 1/1158 8314
2026/07/16 01:35:19 Running Go test benchmarks for experiment
go: downloading github.com/blevesearch/bleve v1.0.14
go: downloading github.com/biogo/biogo v1.0.4
go: downloading golang.org/x/sys v0.47.0
go: downloading github.com/biogo/store v0.0.0-20201120204734-aad293a2328f
...
panic: setting already defined: sql.multiregion.drop_primary_region.enabled

goroutine 1 [running]:
github.com/cockroachdb/cockroach/pkg/settings.checkNameFound({0x5cae948, 0x2b})
	/home/swarming/.swarming/w/ir/x/t/go-sweet2800768739/work/cockroachdb/src/pkg/settings/registry.go:347 +0x187
github.com/cockroachdb/cockroach/pkg/settings.register(0x2, {0x5cae948, 0x2b}, {0x5dbea23, 0x49}, {0xbd234f0, 0x17f1d3591440})
	/home/swarming/.swarming/w/ir/x/t/go-sweet2800768739/work/cockroachdb/src/pkg/settings/registry.go:356 +0x4b
github.com/cockroachdb/cockroach/pkg/settings.RegisterBoolSetting(0x2, {0x5cae948, 0x2b}, {0x5dbea23, 0x49}, 0x1, {0x17f1d303fd80, 0x1, 0x1})
	/home/swarming/.swarming/w/ir/x/t/go-sweet2800768739/work/cockroachdb/src/pkg/settings/bool.go:157 +0x126

...
[sweet] Running benchmark tile38 for experiment: run 8
[sweet] Running benchmark tile38 for baseline: run 8
[sweet] Running benchmark tile38 for experiment: run 9
[sweet] Running benchmark tile38 for baseline: run 9
[sweet] Running benchmark tile38 for experiment: run 10
[sweet] Running benchmark tile38 for baseline: run 10
[sweet] error: failed to execute benchmarks: cockroachdb
2026/07/16 04:05:57 Error running sweet: error running sweet run: exit status 1
2026/07/16 04:05:57 FAIL
exit status 1

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- builder == "gotip-linux-amd64_c4dh96-perf_vs_release" && repo == "go" && mode == "build"

2026-07-15 21:54 gotip-linux-amd64_c4dh96-perf_vs_release go@6bb1bf78 [build] (log)

go: downloading github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51
go: downloading github.com/BurntSushi/toml v1.0.0
2026/07/16 04:08:42 Load average: 2.87 12.17 16.07 1/1191 7745
2026/07/16 04:08:42 Waiting for load average to drop below 0.20...
2026/07/16 04:09:12 Load average: 1.74 11.01 15.55 1/1191 7745
2026/07/16 04:09:12 Waiting for load average to drop below 0.20...
2026/07/16 04:09:42 Load average: 1.05 9.95 15.06 1/1191 7745
2026/07/16 04:09:42 Waiting for load average to drop below 0.20...
2026/07/16 04:10:12 Load average: 0.64 9.00 14.58 1/1191 7745
2026/07/16 04:10:12 Waiting for load average to drop below 0.20...
...
panic: setting already defined: sql.multiregion.drop_primary_region.enabled

goroutine 1 [running]:
github.com/cockroachdb/cockroach/pkg/settings.checkNameFound({0x5cae948, 0x2b})
	/home/swarming/.swarming/w/ir/x/t/go-sweet3515557680/work/cockroachdb/src/pkg/settings/registry.go:347 +0x187
github.com/cockroachdb/cockroach/pkg/settings.register(0x2, {0x5cae948, 0x2b}, {0x5dbea23, 0x49}, {0xbd234f0, 0x266ac71d1aa0})
	/home/swarming/.swarming/w/ir/x/t/go-sweet3515557680/work/cockroachdb/src/pkg/settings/registry.go:356 +0x4b
github.com/cockroachdb/cockroach/pkg/settings.RegisterBoolSetting(0x2, {0x5cae948, 0x2b}, {0x5dbea23, 0x49}, 0x1, {0x266ac68d8440, 0x1, 0x1})
	/home/swarming/.swarming/w/ir/x/t/go-sweet3515557680/work/cockroachdb/src/pkg/settings/bool.go:157 +0x126

...
[sweet] Running benchmark tile38 for experiment: run 8
[sweet] Running benchmark tile38 for baseline: run 8
[sweet] Running benchmark tile38 for experiment: run 9
[sweet] Running benchmark tile38 for baseline: run 9
[sweet] Running benchmark tile38 for experiment: run 10
[sweet] Running benchmark tile38 for baseline: run 10
[sweet] error: failed to execute benchmarks: cockroachdb
2026/07/16 06:40:04 Error running sweet: error running sweet run: exit status 1
2026/07/16 06:40:04 FAIL
exit status 1

2026-07-16 03:35 gotip-linux-amd64_c4dh96-perf_vs_release go@d888e9e4 [build] (log)

go: downloading github.com/BurntSushi/toml v1.0.0
go: downloading github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51
2026/07/16 04:06:50 Load average: 0.14 0.03 0.01 1/1162 8928
2026/07/16 04:06:50 Running Go test benchmarks for experiment
go: downloading github.com/dustin/go-wikiparse v0.0.0-20211018054215-c01ec186f20c
go: downloading github.com/blevesearch/bleve v1.0.14
go: downloading github.com/biogo/biogo v1.0.4
go: downloading github.com/google/pprof v0.0.0-20241017200806-017d972448fc
go: downloading github.com/yuin/gopher-lua v1.1.1
go: downloading golang.org/x/sync v0.22.0
...
panic: setting already defined: sql.multiregion.drop_primary_region.enabled

goroutine 1 [running]:
github.com/cockroachdb/cockroach/pkg/settings.checkNameFound({0x5cae948, 0x2b})
	/home/swarming/.swarming/w/ir/x/t/go-sweet3006237493/work/cockroachdb/src/pkg/settings/registry.go:347 +0x187
github.com/cockroachdb/cockroach/pkg/settings.register(0x2, {0x5cae948, 0x2b}, {0x5dbea23, 0x49}, {0xbd234f0, 0x19bef57b9aa0})
	/home/swarming/.swarming/w/ir/x/t/go-sweet3006237493/work/cockroachdb/src/pkg/settings/registry.go:356 +0x4b
github.com/cockroachdb/cockroach/pkg/settings.RegisterBoolSetting(0x2, {0x5cae948, 0x2b}, {0x5dbea23, 0x49}, 0x1, {0x19bef4e2aa00, 0x1, 0x1})
	/home/swarming/.swarming/w/ir/x/t/go-sweet3006237493/work/cockroachdb/src/pkg/settings/bool.go:157 +0x126

...
[sweet] Running benchmark tile38 for experiment: run 8
[sweet] Running benchmark tile38 for baseline: run 8
[sweet] Running benchmark tile38 for experiment: run 9
[sweet] Running benchmark tile38 for baseline: run 9
[sweet] Running benchmark tile38 for experiment: run 10
[sweet] Running benchmark tile38 for baseline: run 10
[sweet] error: failed to execute benchmarks: cockroachdb
2026/07/16 06:36:38 Error running sweet: error running sweet run: exit status 1
2026/07/16 06:36:38 FAIL
exit status 1

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- builder == "gotip-linux-amd64_c4dh96-perf_vs_release" && repo == "go" && mode == "build"

2026-07-15 21:52 gotip-linux-amd64_c4dh96-perf_vs_release go@dd9e8d9b [build] (log)

go: downloading github.com/BurntSushi/toml v1.0.0
go: downloading github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51
2026/07/16 04:13:40 Load average: 3.61 8.78 14.43 1/1187 7757
2026/07/16 04:13:40 Waiting for load average to drop below 0.20...
2026/07/16 04:14:10 Load average: 2.19 7.94 13.97 1/1187 7757
2026/07/16 04:14:10 Waiting for load average to drop below 0.20...
2026/07/16 04:14:40 Load average: 1.32 7.18 13.52 2/1187 7757
2026/07/16 04:14:40 Waiting for load average to drop below 0.20...
2026/07/16 04:15:10 Load average: 0.80 6.49 13.09 1/1187 7757
2026/07/16 04:15:10 Waiting for load average to drop below 0.20...
...
panic: setting already defined: sql.multiregion.drop_primary_region.enabled

goroutine 1 [running]:
github.com/cockroachdb/cockroach/pkg/settings.checkNameFound({0x5cae948, 0x2b})
	/home/swarming/.swarming/w/ir/x/t/go-sweet1945153754/work/cockroachdb/src/pkg/settings/registry.go:347 +0x187
github.com/cockroachdb/cockroach/pkg/settings.register(0x2, {0x5cae948, 0x2b}, {0x5dbea23, 0x49}, {0xbd234f0, 0x3e249360a420})
	/home/swarming/.swarming/w/ir/x/t/go-sweet1945153754/work/cockroachdb/src/pkg/settings/registry.go:356 +0x4b
github.com/cockroachdb/cockroach/pkg/settings.RegisterBoolSetting(0x2, {0x5cae948, 0x2b}, {0x5dbea23, 0x49}, 0x1, {0x3e2492eb2240, 0x1, 0x1})
	/home/swarming/.swarming/w/ir/x/t/go-sweet1945153754/work/cockroachdb/src/pkg/settings/bool.go:157 +0x126

...
[sweet] Running benchmark tile38 for experiment: run 8
[sweet] Running benchmark tile38 for baseline: run 8
[sweet] Running benchmark tile38 for experiment: run 9
[sweet] Running benchmark tile38 for baseline: run 9
[sweet] Running benchmark tile38 for experiment: run 10
[sweet] Running benchmark tile38 for baseline: run 10
[sweet] error: failed to execute benchmarks: cockroachdb
2026/07/16 06:45:34 Error running sweet: error running sweet run: exit status 1
2026/07/16 06:45:34 FAIL
exit status 1

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- builder == "gotip-linux-amd64_c4dh96-perf_vs_release" && repo == "go" && mode == "build"

2026-07-15 21:47 gotip-linux-amd64_c4dh96-perf_vs_release go@940c49c2 [build] (log)

go: downloading github.com/BurntSushi/toml v1.0.0
go: downloading github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51
2026/07/16 06:46:52 Load average: 0.16 4.94 10.91 1/1181 7821
2026/07/16 06:46:52 Running Go test benchmarks for experiment
go: downloading github.com/blevesearch/bleve v1.0.14
go: downloading github.com/biogo/biogo v1.0.4
go: downloading go.etcd.io/etcd/client/v3 v3.5.8
go: downloading github.com/biogo/store v0.0.0-20201120204734-aad293a2328f
go: downloading github.com/gomodule/redigo v1.9.2
go: downloading github.com/dustin/go-wikiparse v0.0.0-20211018054215-c01ec186f20c
...
panic: setting already defined: sql.multiregion.drop_primary_region.enabled

goroutine 1 [running]:
github.com/cockroachdb/cockroach/pkg/settings.checkNameFound({0x5cae948, 0x2b})
	/home/swarming/.swarming/w/ir/x/t/go-sweet3426513946/work/cockroachdb/src/pkg/settings/registry.go:347 +0x187
github.com/cockroachdb/cockroach/pkg/settings.register(0x2, {0x5cae948, 0x2b}, {0x5dbea23, 0x49}, {0xbd234f0, 0xeca6cf38000})
	/home/swarming/.swarming/w/ir/x/t/go-sweet3426513946/work/cockroachdb/src/pkg/settings/registry.go:356 +0x4b
github.com/cockroachdb/cockroach/pkg/settings.RegisterBoolSetting(0x2, {0x5cae948, 0x2b}, {0x5dbea23, 0x49}, 0x1, {0xeca6c608000, 0x1, 0x1})
	/home/swarming/.swarming/w/ir/x/t/go-sweet3426513946/work/cockroachdb/src/pkg/settings/bool.go:157 +0x126

...
[sweet] Running benchmark tile38 for experiment: run 8
[sweet] Running benchmark tile38 for baseline: run 8
[sweet] Running benchmark tile38 for experiment: run 9
[sweet] Running benchmark tile38 for baseline: run 9
[sweet] Running benchmark tile38 for experiment: run 10
[sweet] Running benchmark tile38 for baseline: run 10
[sweet] error: failed to execute benchmarks: cockroachdb
2026/07/16 09:15:19 Error running sweet: error running sweet run: exit status 1
2026/07/16 09:15:19 FAIL
exit status 1

2026-07-15 21:51 gotip-linux-amd64_c4dh96-perf_vs_release go@f28114cc [build] (log)

go: downloading github.com/BurntSushi/toml v1.0.0
go: downloading github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51
2026/07/16 06:40:46 Load average: 0.39 9.43 14.53 1/1180 7869
2026/07/16 06:40:46 Waiting for load average to drop below 0.20...
2026/07/16 06:41:16 Load average: 0.24 8.53 14.06 1/1180 7869
2026/07/16 06:41:16 Waiting for load average to drop below 0.20...
2026/07/16 06:41:46 Load average: 0.14 7.71 13.61 2/1180 7869
2026/07/16 06:41:46 Running Go test benchmarks for experiment
go: downloading golang.org/x/sys v0.47.0
go: downloading github.com/gomodule/redigo v1.9.2
...
panic: setting already defined: sql.multiregion.drop_primary_region.enabled

goroutine 1 [running]:
github.com/cockroachdb/cockroach/pkg/settings.checkNameFound({0x5cae948, 0x2b})
	/home/swarming/.swarming/w/ir/x/t/go-sweet3898647217/work/cockroachdb/src/pkg/settings/registry.go:347 +0x187
github.com/cockroachdb/cockroach/pkg/settings.register(0x2, {0x5cae948, 0x2b}, {0x5dbea23, 0x49}, {0xbd234f0, 0x12b8abe6b140})
	/home/swarming/.swarming/w/ir/x/t/go-sweet3898647217/work/cockroachdb/src/pkg/settings/registry.go:356 +0x4b
github.com/cockroachdb/cockroach/pkg/settings.RegisterBoolSetting(0x2, {0x5cae948, 0x2b}, {0x5dbea23, 0x49}, 0x1, {0x12b8ac014e80, 0x1, 0x1})
	/home/swarming/.swarming/w/ir/x/t/go-sweet3898647217/work/cockroachdb/src/pkg/settings/bool.go:157 +0x126

...
[sweet] Running benchmark tile38 for experiment: run 8
[sweet] Running benchmark tile38 for baseline: run 8
[sweet] Running benchmark tile38 for experiment: run 9
[sweet] Running benchmark tile38 for baseline: run 9
[sweet] Running benchmark tile38 for experiment: run 10
[sweet] Running benchmark tile38 for baseline: run 10
[sweet] error: failed to execute benchmarks: cockroachdb
2026/07/16 09:12:23 Error running sweet: error running sweet run: exit status 1
2026/07/16 09:12:23 FAIL
exit status 1

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- builder == "gotip-linux-amd64_c4dh96-perf_vs_release" && repo == "go" && mode == "build"

2026-07-16 06:33 gotip-linux-amd64_c4dh96-perf_vs_release go@339fd9cf [build] (log)

go: downloading github.com/BurntSushi/toml v1.0.0
go: downloading github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51
2026/07/16 06:38:19 Load average: 11.82 3.85 1.36 1/1182 84724
2026/07/16 06:38:19 Waiting for load average to drop below 0.20...
2026/07/16 06:38:49 Load average: 7.16 3.48 1.32 1/1182 84724
2026/07/16 06:38:49 Waiting for load average to drop below 0.20...
2026/07/16 06:39:19 Load average: 4.34 3.15 1.27 1/1184 84725
2026/07/16 06:39:19 Waiting for load average to drop below 0.20...
2026/07/16 06:39:49 Load average: 2.63 2.85 1.23 1/1184 84725
2026/07/16 06:39:49 Waiting for load average to drop below 0.20...
...
panic: setting already defined: sql.multiregion.drop_primary_region.enabled

goroutine 1 [running]:
github.com/cockroachdb/cockroach/pkg/settings.checkNameFound({0x5cae948, 0x2b})
	/home/swarming/.swarming/w/ir/x/t/go-sweet4046675375/work/cockroachdb/src/pkg/settings/registry.go:347 +0x187
github.com/cockroachdb/cockroach/pkg/settings.register(0x2, {0x5cae948, 0x2b}, {0x5dbea23, 0x49}, {0xbd234f0, 0x20c7aa40f140})
	/home/swarming/.swarming/w/ir/x/t/go-sweet4046675375/work/cockroachdb/src/pkg/settings/registry.go:356 +0x4b
github.com/cockroachdb/cockroach/pkg/settings.RegisterBoolSetting(0x2, {0x5cae948, 0x2b}, {0x5dbea23, 0x49}, 0x1, {0x20c7a9dd9400, 0x1, 0x1})
	/home/swarming/.swarming/w/ir/x/t/go-sweet4046675375/work/cockroachdb/src/pkg/settings/bool.go:157 +0x126

...
[sweet] Running benchmark tile38 for experiment: run 8
[sweet] Running benchmark tile38 for baseline: run 8
[sweet] Running benchmark tile38 for experiment: run 9
[sweet] Running benchmark tile38 for baseline: run 9
[sweet] Running benchmark tile38 for experiment: run 10
[sweet] Running benchmark tile38 for baseline: run 10
[sweet] error: failed to execute benchmarks: cockroachdb
2026/07/16 10:20:44 Error running sweet: error running sweet run: exit status 1
2026/07/16 10:20:44 FAIL
exit status 1

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- builder == "gotip-linux-amd64_c4dh96-perf_vs_release" && repo == "go" && mode == "build"

2026-07-15 21:40 gotip-linux-amd64_c4dh96-perf_vs_release go@10981ef1 [build] (log)

go: downloading github.com/BurntSushi/toml v1.0.0
go: downloading github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51
2026/07/16 09:13:00 Load average: 0.31 0.07 0.02 1/1187 9242
2026/07/16 09:13:00 Waiting for load average to drop below 0.20...
2026/07/16 09:13:30 Load average: 0.19 0.06 0.02 1/1187 9242
2026/07/16 09:13:30 Running Go test benchmarks for experiment
go: downloading github.com/biogo/biogo v1.0.4
go: downloading github.com/yuin/gopher-lua v1.1.1
go: downloading github.com/blevesearch/bleve v1.0.14
go: downloading golang.org/x/sys v0.47.0
...
panic: setting already defined: sql.multiregion.drop_primary_region.enabled

goroutine 1 [running]:
github.com/cockroachdb/cockroach/pkg/settings.checkNameFound({0x5cae948, 0x2b})
	/home/swarming/.swarming/w/ir/x/t/go-sweet268944611/work/cockroachdb/src/pkg/settings/registry.go:347 +0x187
github.com/cockroachdb/cockroach/pkg/settings.register(0x2, {0x5cae948, 0x2b}, {0x5dbea23, 0x49}, {0xbd22580, 0x252f1c31ad20})
	/home/swarming/.swarming/w/ir/x/t/go-sweet268944611/work/cockroachdb/src/pkg/settings/registry.go:356 +0x4b
github.com/cockroachdb/cockroach/pkg/settings.RegisterBoolSetting(0x2, {0x5cae948, 0x2b}, {0x5dbea23, 0x49}, 0x1, {0x252f1c319100, 0x1, 0x1})
	/home/swarming/.swarming/w/ir/x/t/go-sweet268944611/work/cockroachdb/src/pkg/settings/bool.go:157 +0x126

...
[sweet] Running benchmark tile38 for experiment: run 8
[sweet] Running benchmark tile38 for baseline: run 8
[sweet] Running benchmark tile38 for experiment: run 9
[sweet] Running benchmark tile38 for baseline: run 9
[sweet] Running benchmark tile38 for experiment: run 10
[sweet] Running benchmark tile38 for baseline: run 10
[sweet] error: failed to execute benchmarks: cockroachdb
2026/07/16 11:42:10 Error running sweet: error running sweet run: exit status 1
2026/07/16 11:42:10 FAIL
exit status 1

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- builder == "gotip-linux-amd64_c4dh96-perf_vs_release" && repo == "go" && mode == "build"

2026-07-15 21:30 gotip-linux-amd64_c4dh96-perf_vs_release go@1e28d9f5 [build] (log)

go: downloading github.com/BurntSushi/toml v1.0.0
go: downloading github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51
2026/07/16 09:15:58 Load average: 1.26 10.50 14.65 2/1178 7745
2026/07/16 09:15:58 Waiting for load average to drop below 0.20...
2026/07/16 09:16:28 Load average: 0.76 9.49 14.18 1/1178 7745
2026/07/16 09:16:28 Waiting for load average to drop below 0.20...
2026/07/16 09:16:58 Load average: 0.46 8.58 13.73 2/1179 7745
2026/07/16 09:16:58 Waiting for load average to drop below 0.20...
2026/07/16 09:17:28 Load average: 0.28 7.76 13.29 1/1179 7745
2026/07/16 09:17:28 Waiting for load average to drop below 0.20...
...
panic: setting already defined: sql.multiregion.drop_primary_region.enabled

goroutine 1 [running]:
github.com/cockroachdb/cockroach/pkg/settings.checkNameFound({0x5cae948, 0x2b})
	/home/swarming/.swarming/w/ir/x/t/go-sweet376269807/work/cockroachdb/src/pkg/settings/registry.go:347 +0x187
github.com/cockroachdb/cockroach/pkg/settings.register(0x2, {0x5cae948, 0x2b}, {0x5dbea23, 0x49}, {0xbd22580, 0x1a98c3282900})
	/home/swarming/.swarming/w/ir/x/t/go-sweet376269807/work/cockroachdb/src/pkg/settings/registry.go:356 +0x4b
github.com/cockroachdb/cockroach/pkg/settings.RegisterBoolSetting(0x2, {0x5cae948, 0x2b}, {0x5dbea23, 0x49}, 0x1, {0x1a98c2df7880, 0x1, 0x1})
	/home/swarming/.swarming/w/ir/x/t/go-sweet376269807/work/cockroachdb/src/pkg/settings/bool.go:157 +0x126

...
[sweet] Running benchmark tile38 for experiment: run 8
[sweet] Running benchmark tile38 for baseline: run 8
[sweet] Running benchmark tile38 for experiment: run 9
[sweet] Running benchmark tile38 for baseline: run 9
[sweet] Running benchmark tile38 for experiment: run 10
[sweet] Running benchmark tile38 for baseline: run 10
[sweet] error: failed to execute benchmarks: cockroachdb
2026/07/16 11:47:30 Error running sweet: error running sweet run: exit status 1
2026/07/16 11:47:30 FAIL
exit status 1

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- builder == "gotip-linux-amd64_c4dh96-perf_vs_release" && repo == "go" && mode == "build"

2026-07-16 09:31 gotip-linux-amd64_c4dh96-perf_vs_release go@61b0b6dd [build] (log)

go: downloading github.com/BurntSushi/toml v1.0.0
go: downloading github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51
2026/07/16 10:21:24 Load average: 1.67 0.35 0.35 1/1186 8380
2026/07/16 10:21:24 Waiting for load average to drop below 0.20...
2026/07/16 10:21:54 Load average: 1.08 0.33 0.34 1/1189 8383
2026/07/16 10:21:54 Waiting for load average to drop below 0.20...
2026/07/16 10:22:24 Load average: 0.65 0.30 0.33 1/1189 8383
2026/07/16 10:22:24 Waiting for load average to drop below 0.20...
2026/07/16 10:22:54 Load average: 0.39 0.27 0.32 2/1189 8383
2026/07/16 10:22:54 Waiting for load average to drop below 0.20...
...
panic: setting already defined: sql.multiregion.drop_primary_region.enabled

goroutine 1 [running]:
github.com/cockroachdb/cockroach/pkg/settings.checkNameFound({0x5cae948, 0x2b})
	/home/swarming/.swarming/w/ir/x/t/go-sweet866570440/work/cockroachdb/src/pkg/settings/registry.go:347 +0x187
github.com/cockroachdb/cockroach/pkg/settings.register(0x2, {0x5cae948, 0x2b}, {0x5dbea23, 0x49}, {0xbd225a0, 0x14021cbac000})
	/home/swarming/.swarming/w/ir/x/t/go-sweet866570440/work/cockroachdb/src/pkg/settings/registry.go:356 +0x4b
github.com/cockroachdb/cockroach/pkg/settings.RegisterBoolSetting(0x2, {0x5cae948, 0x2b}, {0x5dbea23, 0x49}, 0x1, {0x14021cb8c680, 0x1, 0x1})
	/home/swarming/.swarming/w/ir/x/t/go-sweet866570440/work/cockroachdb/src/pkg/settings/bool.go:157 +0x126

...
[sweet] Running benchmark tile38 for experiment: run 8
[sweet] Running benchmark tile38 for baseline: run 8
[sweet] Running benchmark tile38 for experiment: run 9
[sweet] Running benchmark tile38 for baseline: run 9
[sweet] Running benchmark tile38 for experiment: run 10
[sweet] Running benchmark tile38 for baseline: run 10
[sweet] error: failed to execute benchmarks: cockroachdb
2026/07/16 12:53:09 Error running sweet: error running sweet run: exit status 1
2026/07/16 12:53:09 FAIL
exit status 1

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- builder == "gotip-linux-amd64_c4dh96-perf_vs_release" && repo == "go" && mode == "build"

2026-07-15 21:19 gotip-linux-amd64_c4dh96-perf_vs_release go@86eb9afa [build] (log)

go: downloading github.com/BurntSushi/toml v1.0.0
go: downloading github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51
2026/07/16 11:48:07 Load average: 0.08 0.02 0.03 2/1182 8561
2026/07/16 11:48:07 Running Go test benchmarks for experiment
go: downloading github.com/blevesearch/bleve v1.0.14
go: downloading golang.org/x/sync v0.22.0
go: downloading github.com/dustin/go-wikiparse v0.0.0-20211018054215-c01ec186f20c
go: downloading github.com/biogo/biogo v1.0.4
go: downloading github.com/yuin/gopher-lua v1.1.1
go: downloading gitlab.com/golang-commonmark/markdown v0.0.0-20211110145824-bf3e522c626a
...
panic: setting already defined: sql.multiregion.drop_primary_region.enabled

goroutine 1 [running]:
github.com/cockroachdb/cockroach/pkg/settings.checkNameFound({0x5cad92c, 0x2b})
	/home/swarming/.swarming/w/ir/x/t/go-sweet3582385562/work/cockroachdb/src/pkg/settings/registry.go:347 +0x187
github.com/cockroachdb/cockroach/pkg/settings.register(0x2, {0x5cad92c, 0x2b}, {0x5dbda07, 0x49}, {0xbd22280, 0x18acb78a4ae0})
	/home/swarming/.swarming/w/ir/x/t/go-sweet3582385562/work/cockroachdb/src/pkg/settings/registry.go:356 +0x4b
github.com/cockroachdb/cockroach/pkg/settings.RegisterBoolSetting(0x2, {0x5cad92c, 0x2b}, {0x5dbda07, 0x49}, 0x1, {0x18acb6fcd600, 0x1, 0x1})
	/home/swarming/.swarming/w/ir/x/t/go-sweet3582385562/work/cockroachdb/src/pkg/settings/bool.go:157 +0x126

...
[sweet] Running benchmark tile38 for experiment: run 8
[sweet] Running benchmark tile38 for baseline: run 8
[sweet] Running benchmark tile38 for experiment: run 9
[sweet] Running benchmark tile38 for baseline: run 9
[sweet] Running benchmark tile38 for experiment: run 10
[sweet] Running benchmark tile38 for baseline: run 10
[sweet] error: failed to execute benchmarks: cockroachdb
2026/07/16 14:17:37 Error running sweet: error running sweet run: exit status 1
2026/07/16 14:17:37 FAIL
exit status 1

2026-07-15 21:20 gotip-linux-amd64_c4dh96-perf_vs_release go@d3c51790 [build] (log)

go: downloading github.com/BurntSushi/toml v1.0.0
go: downloading github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51
2026/07/16 11:42:53 Load average: 13.35 19.09 18.35 1/1198 7840
2026/07/16 11:42:53 Waiting for load average to drop below 0.20...
2026/07/16 11:43:23 Load average: 8.09 17.27 17.77 1/1198 7840
2026/07/16 11:43:23 Waiting for load average to drop below 0.20...
2026/07/16 11:43:53 Load average: 4.90 15.61 17.20 1/1198 7840
2026/07/16 11:43:53 Waiting for load average to drop below 0.20...
2026/07/16 11:44:23 Load average: 2.97 14.12 16.65 2/1200 7840
2026/07/16 11:44:23 Waiting for load average to drop below 0.20...
...
panic: setting already defined: sql.multiregion.drop_primary_region.enabled

goroutine 1 [running]:
github.com/cockroachdb/cockroach/pkg/settings.checkNameFound({0x5cad92c, 0x2b})
	/home/swarming/.swarming/w/ir/x/t/go-sweet772108376/work/cockroachdb/src/pkg/settings/registry.go:347 +0x187
github.com/cockroachdb/cockroach/pkg/settings.register(0x2, {0x5cad92c, 0x2b}, {0x5dbda07, 0x49}, {0xbd21330, 0xe4f8f4a2060})
	/home/swarming/.swarming/w/ir/x/t/go-sweet772108376/work/cockroachdb/src/pkg/settings/registry.go:356 +0x4b
github.com/cockroachdb/cockroach/pkg/settings.RegisterBoolSetting(0x2, {0x5cad92c, 0x2b}, {0x5dbda07, 0x49}, 0x1, {0xe4f8e990740, 0x1, 0x1})
	/home/swarming/.swarming/w/ir/x/t/go-sweet772108376/work/cockroachdb/src/pkg/settings/bool.go:157 +0x126

...
[sweet] Running benchmark tile38 for experiment: run 8
[sweet] Running benchmark tile38 for baseline: run 8
[sweet] Running benchmark tile38 for experiment: run 9
[sweet] Running benchmark tile38 for baseline: run 9
[sweet] Running benchmark tile38 for experiment: run 10
[sweet] Running benchmark tile38 for baseline: run 10
[sweet] error: failed to execute benchmarks: cockroachdb
2026/07/16 14:15:54 Error running sweet: error running sweet run: exit status 1
2026/07/16 14:15:54 FAIL
exit status 1

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- builder == "gotip-linux-amd64_c4dh96-perf_vs_release" && repo == "go" && mode == "build"

2026-07-15 21:17 gotip-linux-amd64_c4dh96-perf_vs_release go@e75c0ec6 [build] (log)

go: downloading github.com/BurntSushi/toml v1.0.0
go: downloading github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51
2026/07/16 12:53:49 Load average: 0.15 0.03 0.25 1/1167 8352
2026/07/16 12:53:49 Running Go test benchmarks for experiment
go: downloading github.com/blevesearch/bleve v1.0.14
go: downloading github.com/biogo/biogo v1.0.4
go: downloading golang.org/x/sync v0.22.0
go: downloading github.com/google/pprof v0.0.0-20241017200806-017d972448fc
go: downloading github.com/gomodule/redigo v1.9.2
go: downloading github.com/biogo/store v0.0.0-20201120204734-aad293a2328f
...
panic: setting already defined: sql.multiregion.drop_primary_region.enabled

goroutine 1 [running]:
github.com/cockroachdb/cockroach/pkg/settings.checkNameFound({0x5caf92c, 0x2b})
	/home/swarming/.swarming/w/ir/x/t/go-sweet2446411358/work/cockroachdb/src/pkg/settings/registry.go:347 +0x187
github.com/cockroachdb/cockroach/pkg/settings.register(0x2, {0x5caf92c, 0x2b}, {0x5dbfa07, 0x49}, {0xbd29d50, 0x38f0de322660})
	/home/swarming/.swarming/w/ir/x/t/go-sweet2446411358/work/cockroachdb/src/pkg/settings/registry.go:356 +0x4b
github.com/cockroachdb/cockroach/pkg/settings.RegisterBoolSetting(0x2, {0x5caf92c, 0x2b}, {0x5dbfa07, 0x49}, 0x1, {0x38f0ddb5b3c0, 0x1, 0x1})
	/home/swarming/.swarming/w/ir/x/t/go-sweet2446411358/work/cockroachdb/src/pkg/settings/bool.go:157 +0x126

...
[sweet] Running benchmark tile38 for experiment: run 8
[sweet] Running benchmark tile38 for baseline: run 8
[sweet] Running benchmark tile38 for experiment: run 9
[sweet] Running benchmark tile38 for baseline: run 9
[sweet] Running benchmark tile38 for experiment: run 10
[sweet] Running benchmark tile38 for baseline: run 10
[sweet] error: failed to execute benchmarks: cockroachdb
2026/07/16 15:22:46 Error running sweet: error running sweet run: exit status 1
2026/07/16 15:22:46 FAIL
exit status 1

— watchflakes

[prattmic]

cc @golang/runtime