x/tools/gopls: automated issue report (crash)

[rana]

ATTENTION: PLEASE PROVIDE THE DETAILS REQUESTED BELOW.

Describe what you observed.

Please attach the stack trace from the crash.
A window with the error message should have popped up in the lower half of your screen.
Please copy the stack trace from that window and paste it in this issue.

panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x58 pc=0x17193af]

goroutine 87 [running]:
golang.org/x/tools/internal/lsp.modLinks(0x1a68300, 0xc0001ee600, 0x1a7b400, 0xc001ab1700, 0x1a6c1c0, 0xc0000f34a0, 0x1a7b400, 0xc001ab1700, 0x1a6c1c0, 0xc0000f34a0, ...)
/Users/rian/go/pkg/mod/golang.org/x/tools@v0.0.0-20200708181441-6004c8539734/internal/lsp/link.go:64 +0x25f
golang.org/x/tools/internal/lsp.(*Server).documentLink(0xc0002a1800, 0x1a68300, 0xc0001ee600, 0xc00e4a93b0, 0xc00e4a93b0, 0x0, 0x0, 0x0, 0xc00e82fe40)
/Users/rian/go/pkg/mod/golang.org/x/tools@v0.0.0-20200708181441-6004c8539734/internal/lsp/link.go:34 +0x387
golang.org/x/tools/internal/lsp.(*Server).DocumentLink(0xc0002a1800, 0x1a68300, 0xc0001ee600, 0xc00e4a93b0, 0xc00e4a93b0, 0x0, 0x0, 0x1a66980, 0xc000132120)
/Users/rian/go/pkg/mod/golang.org/x/tools@v0.0.0-20200708181441-6004c8539734/internal/lsp/server_gen.go:72 +0x4d
golang.org/x/tools/internal/lsp/protocol.serverDispatch(0x1a68300, 0xc0001ee600, 0x1a82780, 0xc0002a1800, 0xc00e4a9380, 0x1a68540, 0xc0001ee540, 0x0, 0x0, 0xbfbfdfab16761770)
/Users/rian/go/pkg/mod/golang.org/x/tools@v0.0.0-20200708181441-6004c8539734/internal/lsp/protocol/tsserver.go:339 +0x3036
golang.org/x/tools/internal/lsp/protocol.ServerHandler.func1(0x1a68300, 0xc0001ee600, 0xc00e4a9380, 0x1a68540, 0xc0001ee540, 0x0, 0x0)
/Users/rian/go/pkg/mod/golang.org/x/tools@v0.0.0-20200708181441-6004c8539734/internal/lsp/protocol/protocol.go:62 +0xc0
golang.org/x/tools/internal/lsp/lsprpc.handshaker.func1(0x1a68300, 0xc0001ee600, 0xc00e4a9380, 0x1a68540, 0xc0001ee540, 0x0, 0x0)
/Users/rian/go/pkg/mod/golang.org/x/tools@v0.0.0-20200708181441-6004c8539734/internal/lsp/lsprpc/lsprpc.go:509 +0x40e
golang.org/x/tools/internal/jsonrpc2.MustReplyHandler.func1(0x1a68300, 0xc0001ee600, 0xc000133180, 0x1a68540, 0xc0001ee540, 0x0, 0x0)
/Users/rian/go/pkg/mod/golang.org/x/tools@v0.0.0-20200708181441-6004c8539734/internal/jsonrpc2/handler.go:35 +0xd3
golang.org/x/tools/internal/jsonrpc2.AsyncHandler.func1.2(0xc00030c060, 0xc00008a0c0, 0xc00028bc90, 0x1a68300, 0xc0001ee600, 0xc000133180, 0x1a68540, 0xc0001ee540)
/Users/rian/go/pkg/mod/golang.org/x/tools@v0.0.0-20200708181441-6004c8539734/internal/jsonrpc2/handler.go:103 +0x86
created by golang.org/x/tools/internal/jsonrpc2.AsyncHandler.func1
/Users/rian/go/pkg/mod/golang.org/x/tools@v0.0.0-20200708181441-6004c8539734/internal/jsonrpc2/handler.go:100 +0x171
[Error - 9:56:12 AM] Connection to server got closed. Server will not be restarted.
[Error - 9:56:12 AM] Request textDocument/documentLink failed.
Error: Connection got disposed.
at Object.dispose (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/main.js:904:25)
at Object.dispose (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-languageclient/lib/client.js:74:35)
at LanguageClient.handleConnectionClosed (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-languageclient/lib/client.js:2309:42)
at LanguageClient.handleConnectionClosed (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-languageclient/lib/main.js:155:15)
at closeHandler (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-languageclient/lib/client.js:2296:18)
at CallbackList.invoke (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/events.js:62:39)
at Emitter.fire (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/events.js:121:36)
at closeHandler (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/main.js:240:26)
at CallbackList.invoke (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/events.js:62:39)
at Emitter.fire (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/events.js:121:36)
at StreamMessageReader.fireClose (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/messageReader.js:111:27)
at Socket. (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/messageReader.js:151:46)
at Socket.emit (events.js:208:15)
at Pipe. (net.js:588:12)
[Error - 9:56:12 AM] Request textDocument/documentLink failed.
Error: Connection got disposed.
at Object.dispose (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/main.js:904:25)
at Object.dispose (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-languageclient/lib/client.js:74:35)
at LanguageClient.handleConnectionClosed (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-languageclient/lib/client.js:2309:42)
at LanguageClient.handleConnectionClosed (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-languageclient/lib/main.js:155:15)
at closeHandler (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-languageclient/lib/client.js:2296:18)
at CallbackList.invoke (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/events.js:62:39)
at Emitter.fire (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/events.js:121:36)
at closeHandler (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/main.js:240:26)
at CallbackList.invoke (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/events.js:62:39)
at Emitter.fire (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/events.js:121:36)
at StreamMessageReader.fireClose (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/messageReader.js:111:27)
at Socket. (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/messageReader.js:151:46)
at Socket.emit (events.js:208:15)
at Pipe. (net.js:588:12)
[Error - 9:56:12 AM] Request textDocument/foldingRange failed.
Error: Connection got disposed.
at Object.dispose (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/main.js:904:25)
at Object.dispose (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-languageclient/lib/client.js:74:35)
at LanguageClient.handleConnectionClosed (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-languageclient/lib/client.js:2309:42)
at LanguageClient.handleConnectionClosed (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-languageclient/lib/main.js:155:15)
at closeHandler (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-languageclient/lib/client.js:2296:18)
at CallbackList.invoke (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/events.js:62:39)
at Emitter.fire (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/events.js:121:36)
at closeHandler (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/main.js:240:26)
at CallbackList.invoke (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/events.js:62:39)
at Emitter.fire (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/events.js:121:36)
at StreamMessageReader.fireClose (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/messageReader.js:111:27)
at Socket. (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/messageReader.js:151:46)
at Socket.emit (events.js:208:15)
at Pipe. (net.js:588:12)
[Error - 9:56:12 AM] Request textDocument/foldingRange failed.
Error: Connection got disposed.
at Object.dispose (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/main.js:904:25)
at Object.dispose (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-languageclient/lib/client.js:74:35)
at LanguageClient.handleConnectionClosed (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-languageclient/lib/client.js:2309:42)
at LanguageClient.handleConnectionClosed (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-languageclient/lib/main.js:155:15)
at closeHandler (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-languageclient/lib/client.js:2296:18)
at CallbackList.invoke (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/events.js:62:39)
at Emitter.fire (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/events.js:121:36)
at closeHandler (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/main.js:240:26)
at CallbackList.invoke (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/events.js:62:39)
at Emitter.fire (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/events.js:121:36)
at StreamMessageReader.fireClose (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/messageReader.js:111:27)
at Socket. (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/messageReader.js:151:46)
at Socket.emit (events.js:208:15)
at Pipe. (net.js:588:12)
[Error - 9:56:12 AM] Request textDocument/codeLens failed.
Error: Connection got disposed.
at Object.dispose (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/main.js:904:25)
at Object.dispose (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-languageclient/lib/client.js:74:35)
at LanguageClient.handleConnectionClosed (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-languageclient/lib/client.js:2309:42)
at LanguageClient.handleConnectionClosed (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-languageclient/lib/main.js:155:15)
at closeHandler (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-languageclient/lib/client.js:2296:18)
at CallbackList.invoke (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/events.js:62:39)
at Emitter.fire (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/events.js:121:36)
at closeHandler (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/main.js:240:26)
at CallbackList.invoke (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/events.js:62:39)
at Emitter.fire (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/events.js:121:36)
at StreamMessageReader.fireClose (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/messageReader.js:111:27)
at Socket. (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/messageReader.js:151:46)
at Socket.emit (events.js:208:15)
at Pipe. (net.js:588:12)
[Error - 9:56:12 AM] Request textDocument/codeLens failed.
Error: Connection got disposed.
at Object.dispose (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/main.js:904:25)
at Object.dispose (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-languageclient/lib/client.js:74:35)
at LanguageClient.handleConnectionClosed (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-languageclient/lib/client.js:2309:42)
at LanguageClient.handleConnectionClosed (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-languageclient/lib/main.js:155:15)
at closeHandler (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-languageclient/lib/client.js:2296:18)
at CallbackList.invoke (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/events.js:62:39)
at Emitter.fire (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/events.js:121:36)
at closeHandler (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/main.js:240:26)
at CallbackList.invoke (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/events.js:62:39)
at Emitter.fire (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/events.js:121:36)
at StreamMessageReader.fireClose (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/messageReader.js:111:27)
at Socket. (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/messageReader.js:151:46)
at Socket.emit (events.js:208:15)
at Pipe. (net.js:588:12)
[Error - 9:56:12 AM] Request textDocument/documentSymbol failed.
Error: Connection got disposed.
at Object.dispose (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/main.js:904:25)
at Object.dispose (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-languageclient/lib/client.js:74:35)
at LanguageClient.handleConnectionClosed (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-languageclient/lib/client.js:2309:42)
at LanguageClient.handleConnectionClosed (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-languageclient/lib/main.js:155:15)
at closeHandler (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-languageclient/lib/client.js:2296:18)
at CallbackList.invoke (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/events.js:62:39)
at Emitter.fire (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/events.js:121:36)
at closeHandler (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/main.js:240:26)
at CallbackList.invoke (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/events.js:62:39)
at Emitter.fire (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/events.js:121:36)
at StreamMessageReader.fireClose (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/messageReader.js:111:27)
at Socket. (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/messageReader.js:151:46)
at Socket.emit (events.js:208:15)
at Pipe. (net.js:588:12)
[Error - 9:56:12 AM] Request textDocument/documentSymbol failed.
Error: Connection got disposed.
at Object.dispose (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/main.js:904:25)
at Object.dispose (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-languageclient/lib/client.js:74:35)
at LanguageClient.handleConnectionClosed (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-languageclient/lib/client.js:2309:42)
at LanguageClient.handleConnectionClosed (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-languageclient/lib/main.js:155:15)
at closeHandler (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-languageclient/lib/client.js:2296:18)
at CallbackList.invoke (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/events.js:62:39)
at Emitter.fire (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/events.js:121:36)
at closeHandler (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/main.js:240:26)
at CallbackList.invoke (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/events.js:62:39)
at Emitter.fire (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/events.js:121:36)
at StreamMessageReader.fireClose (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/messageReader.js:111:27)
at Socket. (/Users/rian/.vscode/extensions/golang.go-0.15.2/node_modules/vscode-jsonrpc/lib/messageReader.js:151:46)
at Socket.emit (events.js:208:15)
at Pipe. (net.js:588:12)

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[gopherbot]

Change https://golang.org/cl/244840 mentions this issue: internal/lsp: handle nil pointer in go.mod links