Flaky test: TestRuleCheckOption

[crazy-max]

https://github.com/moby/buildkit/actions/runs/11162974404/job/31028947675?pr=5390#step:8:3612

logs.txt

=== FAIL: frontend/dockerfile TestIntegration/TestRuleCheckOption/worker=oci/frontend=client/warntype=progress#06 (0.03s)
    dockerfile_lint_test.go:1523: 
        	Error Trace:	/src/frontend/dockerfile/dockerfile_lint_test.go:1462
        	            				/src/frontend/dockerfile/dockerfile_lint_test.go:1523
        	Error:      	Error message not equal:
        	            	expected: "failed to solve: lint violation found for rules: FromAsCasing"
        	            	actual  : "failed to run Build function: lint violation found for rules: FromAsCasing"
        	Test:       	TestIntegration/TestRuleCheckOption/worker=oci/frontend=client/warntype=progress#06
        --- FAIL: TestIntegration/TestRuleCheckOption/worker=oci/frontend=client/warntype=progress#06 (0.03s)

=== FAIL: frontend/dockerfile TestIntegration/TestRuleCheckOption/worker=oci/frontend=client (1.27s)
    sandbox.go:135: stderr: /usr/bin/buildkitd --oci-worker=true --containerd-worker=false --oci-worker-gc=false --oci-worker-labels=org.mobyproject.buildkit.worker.sandbox=true --config=/tmp/bktest_config290465617/buildkitd.toml --root /tmp/bktest_buildkitd2993562546 --addr unix:///tmp/bktest_buildkitd2993562546/buildkitd.sock --debug
    sandbox.go:138: > StartCmd 2024-10-03 13:36:21.964975535 +0000 UTC m=+40.737091995 /usr/bin/buildkitd --oci-worker=true --containerd-worker=false --oci-worker-gc=false --oci-worker-labels=org.mobyproject.buildkit.worker.sandbox=true --config=/tmp/bktest_config290465617/buildkitd.toml --root /tmp/bktest_buildkitd2993562546 --addr unix:///tmp/bktest_buildkitd2993562546/buildkitd.sock --debug
    sandbox.go:138: time="2024-10-03T13:36:22Z" level=warning msg="failed to get disk size: no such file or directory"
    sandbox.go:138: time="2024-10-03T13:36:22Z" level=warning msg="failed to get disk size: no such file or directory"
    sandbox.go:138: time="2024-10-03T13:36:22Z" level=info msg="auto snapshotter: using overlayfs"
    sandbox.go:138: time="2024-10-03T13:36:22Z" level=debug msg="could not read \"/tmp/bktest_buildkitd2993562546/net/cni\" for cleanup: open /tmp/bktest_buildkitd2993562546/net/cni: no such file or directory"
    sandbox.go:138: time="2024-10-03T13:36:22Z" level=debug msg="creating new network namespace o7oh33sga55wspihyr8340717"
    sandbox.go:138: time="2024-10-03T13:36:22Z" level=debug msg="finished creating network namespace o7oh33sga55wspihyr8340717"
    sandbox.go:138: time="2024-10-03T13:36:22Z" level=debug msg="finished setting up network namespace o7oh33sga55wspihyr8340717"
    sandbox.go:138: time="2024-10-03T13:36:22Z" level=info msg="found worker \"dgcqwqf113k3mb66khxuev883\", labels=map[org.mobyproject.buildkit.worker.executor:oci org.mobyproject.buildkit.worker.hostname:2e4513caab18 org.mobyproject.buildkit.worker.network:cni org.mobyproject.buildkit.worker.oci.process-mode:sandbox org.mobyproject.buildkit.worker.sandbox:true org.mobyproject.buildkit.worker.selinux.enabled:false org.mobyproject.buildkit.worker.snapshotter:overlayfs], platforms=[linux/amd64 linux/amd64/v2 linux/amd64/v3 linux/arm64 linux/riscv64 linux/ppc64le linux/s390x linux/386 linux/arm/v7 linux/arm/v6]"
    sandbox.go:138: time="2024-10-03T13:36:22Z" level=info msg="found 1 workers, default=\"dgcqwqf113k3mb66khxuev883\""
    sandbox.go:138: time="2024-10-03T13:36:22Z" level=warning msg="currently, only the default worker can be used."
    sandbox.go:138: time="2024-10-03T13:36:22Z" level=info msg="running server on /tmp/bktest_buildkitd2993562546/buildkitd.sock"
    sandbox.go:138: time="2024-10-03T13:36:22Z" level=debug msg="session started" spanID=3d8c0baa1136b8d4 traceID=4d3d6c9c53f13215fcc20e00e02564bc
    sandbox.go:138: time="2024-10-03T13:36:22Z" level=debug msg="new ref for local: vzrcj4lfa11s0785lnht3wnuw" span="[internal] load build definition from Dockerfile" spanID=1a65ea3449241bbd traceID=5a5e63f1e2ae61e39cd0e6d3ccc23de3
    sandbox.go:138: time="2024-10-03T13:36:22Z" level=debug msg="diffcopy took: 1.97071ms" span="[internal] load build definition from Dockerfile" spanID=f8ca9536e1f4946e traceID=5a5e63f1e2ae61e39cd0e6d3ccc23de3
    sandbox.go:138: time="2024-10-03T13:36:22Z" level=debug msg="saved vzrcj4lfa11s0785lnht3wnuw as dockerfile:dockerfile:" span="[internal] load build definition from Dockerfile" spanID=1a65ea3449241bbd traceID=5a5e63f1e2ae61e39cd0e6d3ccc23de3
    sandbox.go:138: time="2024-10-03T13:36:22Z" level=error msg="/moby.buildkit.v1.frontend.LLBBridge/ReadFile returned error: rpc error: code = Unknown desc = open Dockerfile.dockerignore: no such file or directory" spanID=b2df89231e44f180 traceID=a594e5f53eb261762316afab245880ab
    sandbox.go:138: open Dockerfile.dockerignore: no such file or directory
    sandbox.go:138: 32981 2321320 buildkitd --oci-worker=true --containerd-worker=false --oci-worker-gc=false --oci-worker-labels=org.mobyproject.buildkit.worker.sandbox=true --config=/tmp/bktest_config290465617/buildkitd.toml --root /tmp/bktest_buildkitd2993562546 --addr unix:///tmp/bktest_buildkitd2993562546/buildkitd.sock --debug
    sandbox.go:138: github.com/moby/buildkit/cache/util.ReadFile.func1
    sandbox.go:138: 	/src/cache/util/fsutil.go:68
    sandbox.go:138: github.com/moby/buildkit/cache/util.withMount
    sandbox.go:138: 	/src/cache/util/fsutil.go:40
    sandbox.go:138: github.com/moby/buildkit/cache/util.ReadFile
    sandbox.go:138: 	/src/cache/util/fsutil.go:54
    sandbox.go:138: github.com/moby/buildkit/frontend/gateway.(*llbBridgeForwarder).ReadFile
    sandbox.go:138: 	/src/frontend/gateway/gateway.go:935
    sandbox.go:138: github.com/moby/buildkit/control/gateway.(*GatewayForwarder).ReadFile
    sandbox.go:138: 	/src/control/gateway/gateway.go:122
    sandbox.go:138: github.com/moby/buildkit/frontend/gateway/pb._LLBBridge_ReadFile_Handler.func1
    sandbox.go:138: 	/src/frontend/gateway/pb/gateway_grpc.pb.go:383
    sandbox.go:138: google.golang.org/grpc.getChainUnaryHandler.func1
    sandbox.go:138: 	/src/vendor/google.golang.org/grpc/server.go:1211
    sandbox.go:138: main.unaryInterceptor
    sandbox.go:138: 	/src/cmd/buildkitd/main.go:711
    sandbox.go:138: google.golang.org/grpc.NewServer.chainUnaryServerInterceptors.chainUnaryInterceptors.func1
    sandbox.go:138: 	/src/vendor/google.golang.org/grpc/server.go:1202
    sandbox.go:138: github.com/moby/buildkit/frontend/gateway/pb._LLBBridge_ReadFile_Handler
    sandbox.go:138: 	/src/frontend/gateway/pb/gateway_grpc.pb.go:385
    sandbox.go:138: google.golang.org/grpc.(*Server).processUnaryRPC
    sandbox.go:138: 	/src/vendor/google.golang.org/grpc/server.go:1394
    sandbox.go:138: google.golang.org/grpc.(*Server).handleStream
    sandbox.go:138: 	/src/vendor/google.golang.org/grpc/server.go:1805
    sandbox.go:138: google.golang.org/grpc.(*Server).serveStreams.func2.1
    sandbox.go:138: 	/src/vendor/google.golang.org/grpc/server.go:1029
    sandbox.go:138: runtime.goexit
    sandbox.go:138: 	/usr/local/go/src/runtime/asm_amd64.s:1695