x/tools/refactor/eg: 'exec format error' Test failures

[gopherbot]

#!watchflakes
default <- pkg == "golang.org/x/tools/refactor/eg" && test == "Test"

Issue created automatically to collect these failures.

Example (log):

=== RUN   Test
    eg_test.go:168: eg tests for /Users/swarming/.swarming/w/ir/x/w/targetrepo1490007702/refactor/eg/testdata/A1.go failed: fork/exec /usr/bin/diff: exec format error.
        
    eg_test.go:168: eg tests for /Users/swarming/.swarming/w/ir/x/w/targetrepo1490007702/refactor/eg/testdata/A2.go failed: fork/exec /usr/bin/diff: exec format error.
        
    eg_test.go:168: eg tests for /Users/swarming/.swarming/w/ir/x/w/targetrepo1490007702/refactor/eg/testdata/B1.go failed: fork/exec /usr/bin/diff: exec format error.
        
    eg_test.go:168: eg tests for /Users/swarming/.swarming/w/ir/x/w/targetrepo1490007702/refactor/eg/testdata/C1.go failed: fork/exec /usr/bin/diff: exec format error.
        
    eg_test.go:168: eg tests for /Users/swarming/.swarming/w/ir/x/w/targetrepo1490007702/refactor/eg/testdata/D1.go failed: fork/exec /usr/bin/diff: exec format error.
        
    eg_test.go:168: eg tests for /Users/swarming/.swarming/w/ir/x/w/targetrepo1490007702/refactor/eg/testdata/E1.go failed: fork/exec /usr/bin/diff: exec format error.
        
    eg_test.go:168: eg tests for /Users/swarming/.swarming/w/ir/x/w/targetrepo1490007702/refactor/eg/testdata/F1.go failed: fork/exec /usr/bin/diff: exec format error.
        
    eg_test.go:168: eg tests for /Users/swarming/.swarming/w/ir/x/w/targetrepo1490007702/refactor/eg/testdata/G1.go failed: fork/exec /usr/bin/diff: exec format error.
        
    eg_test.go:168: eg tests for /Users/swarming/.swarming/w/ir/x/w/targetrepo1490007702/refactor/eg/testdata/H1.go failed: fork/exec /usr/bin/diff: exec format error.
        
    eg_test.go:168: eg tests for /Users/swarming/.swarming/w/ir/x/w/targetrepo1490007702/refactor/eg/testdata/I1.go failed: fork/exec /usr/bin/diff: exec format error.
        
    eg_test.go:168: eg tests for /Users/swarming/.swarming/w/ir/x/w/targetrepo1490007702/refactor/eg/testdata/J1.go failed: fork/exec /usr/bin/diff: exec format error.
        
--- FAIL: Test (9.30s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "golang.org/x/tools/refactor/eg" && test == "Test"

2024-04-23 20:28 x_tools-gotip-darwin-amd64_13 tools@15234410 go@e7aeeae0 x/tools/refactor/eg.Test (log)

=== RUN   Test
    eg_test.go:168: eg tests for /Users/swarming/.swarming/w/ir/x/w/targetrepo1490007702/refactor/eg/testdata/A1.go failed: fork/exec /usr/bin/diff: exec format error.
        
    eg_test.go:168: eg tests for /Users/swarming/.swarming/w/ir/x/w/targetrepo1490007702/refactor/eg/testdata/A2.go failed: fork/exec /usr/bin/diff: exec format error.
        
    eg_test.go:168: eg tests for /Users/swarming/.swarming/w/ir/x/w/targetrepo1490007702/refactor/eg/testdata/B1.go failed: fork/exec /usr/bin/diff: exec format error.
        
    eg_test.go:168: eg tests for /Users/swarming/.swarming/w/ir/x/w/targetrepo1490007702/refactor/eg/testdata/C1.go failed: fork/exec /usr/bin/diff: exec format error.
        
    eg_test.go:168: eg tests for /Users/swarming/.swarming/w/ir/x/w/targetrepo1490007702/refactor/eg/testdata/D1.go failed: fork/exec /usr/bin/diff: exec format error.
        
    eg_test.go:168: eg tests for /Users/swarming/.swarming/w/ir/x/w/targetrepo1490007702/refactor/eg/testdata/E1.go failed: fork/exec /usr/bin/diff: exec format error.
        
    eg_test.go:168: eg tests for /Users/swarming/.swarming/w/ir/x/w/targetrepo1490007702/refactor/eg/testdata/F1.go failed: fork/exec /usr/bin/diff: exec format error.
        
    eg_test.go:168: eg tests for /Users/swarming/.swarming/w/ir/x/w/targetrepo1490007702/refactor/eg/testdata/G1.go failed: fork/exec /usr/bin/diff: exec format error.
        
    eg_test.go:168: eg tests for /Users/swarming/.swarming/w/ir/x/w/targetrepo1490007702/refactor/eg/testdata/H1.go failed: fork/exec /usr/bin/diff: exec format error.
        
    eg_test.go:168: eg tests for /Users/swarming/.swarming/w/ir/x/w/targetrepo1490007702/refactor/eg/testdata/I1.go failed: fork/exec /usr/bin/diff: exec format error.
        
    eg_test.go:168: eg tests for /Users/swarming/.swarming/w/ir/x/w/targetrepo1490007702/refactor/eg/testdata/J1.go failed: fork/exec /usr/bin/diff: exec format error.
        
--- FAIL: Test (9.30s)

— watchflakes