x/build: *-linux-arm builders have no disk space left

[gopherbot]

#!watchflakes
post <- builder ~ `-linux-arm$` && (`(N|n)o space left on device` || log ~ `(N|n)o space left on device`)

Issue created automatically to collect these failures.

Example (log):

FAIL	cmd/nm [build failed]
cmd/nm: mkdir /home/swarming/.swarming/w/ir/x/t/go-build1741138042/b3589/: no space left on device

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "cmd/nm" && test == ""

2025-06-13 16:04 gotip-linux-arm go@683810a3 cmd/nm (log)

FAIL	cmd/nm [build failed]
cmd/nm: mkdir /home/swarming/.swarming/w/ir/x/t/go-build1741138042/b3589/: no space left on device

2025-06-13 16:06 gotip-linux-arm go@64490589 cmd/nm (log)

FAIL	cmd/nm [build failed]
cmd/nm: mkdir /home/swarming/.swarming/w/ir/x/t/go-build2227083791/b3589/: no space left on device

2025-06-13 16:09 gotip-linux-arm go@96a6e147 cmd/nm (log)

FAIL	cmd/nm [build failed]
cmd/nm: mkdir /home/swarming/.swarming/w/ir/x/t/go-build1630841084/b3589/: no space left on device

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
post <- builder == "gotip-linux-arm" && (`no space left on device` || log ~ `no space left on device`)

2025-06-13 06:27 gotip-linux-arm go@91498761 cmd/link/internal/ld.TestSubprogramDeclFileLine/normal (log)

=== RUN   TestSubprogramDeclFileLine/normal
=== PAUSE TestSubprogramDeclFileLine/normal
=== CONT  TestSubprogramDeclFileLine/normal
    dwarf_test.go:119: ## build output:
        command-line-arguments: mkdir /home/swarming/.swarming/w/ir/x/t/go-build3167359212/b001/: no space left on device
    dwarf_test.go:122: build error: exit status 1
--- FAIL: TestSubprogramDeclFileLine/normal (0.24s)

2025-06-13 06:27 gotip-linux-arm go@91498761 cmd/vendor/golang.org/x/tools/go/analysis/internal/analysisflags (log)

cmd/vendor/golang.org/x/tools/go/analysis/internal/analysisflags: mkdir /home/swarming/.swarming/w/ir/x/t/go-build3471536847/b3691/: no space left on device

2025-06-13 06:27 gotip-linux-arm go@91498761 cmd/vendor/golang.org/x/tools/go/analysis/passes/errorsas (log)

cmd/vendor/golang.org/x/tools/go/analysis/passes/errorsas: mkdir /home/swarming/.swarming/w/ir/x/t/go-build3471536847/b3660/: no space left on device

— watchflakes