$ super -version &&
echo none | super -j -
Version: v0.3.0-393-ged44054eb
panic: unsupported id=30
goroutine 1 [running]:
github.com/brimdata/super/sio/jsonio.(*Writer).writePrimitive(0x17c745aa64b0, {{0xf609728, 0xf8abc00}, 0x0, 0x0})
/Users/phil/work/super/sio/jsonio/writer.go:242 +0x554
github.com/brimdata/super/sio/jsonio.(*Writer).writeAny(0x17c745aa64b0, 0x0, {{0xf609728?, 0xf8abc00?}, 0x0?, 0x17c745734360?})
/Users/phil/work/super/sio/jsonio/writer.go:76 +0x2fa
github.com/brimdata/super/sio/jsonio.(*Writer).Write(0x17c745aa64b0, {{0xf609728?, 0xf8abc00?}, 0x0?, 0x17c745853820?})
/Users/phil/work/super/sio/jsonio/writer.go:64 +0x35
github.com/brimdata/super/sbuf.WriteVec({0xf604b38, 0x17c745aa64b0}, {0xf615348?, 0x17c7458040a0?})
/Users/phil/work/super/sbuf/materialize.go:121 +0x7b
github.com/brimdata/super/sio/jsonio.(*Writer).Push(0xda3b300?, {0xf615348?, 0x17c7458040a0?})
/Users/phil/work/super/sio/jsonio/writer.go:58 +0x2d
github.com/brimdata/super/sio/anyio.(*defuser).Push(0x17c745b8d200, {0xf615348?, 0x17c7458040a0?})
/Users/phil/work/super/sio/anyio/writer.go:95 +0x127
github.com/brimdata/super/vector/vio.CopyMux(0x17c745853c68, {0x589ab860, 0x17c7458b1ad0})
/Users/phil/work/super/vector/vio/io.go:112 +0xa4
github.com/brimdata/super/cmd/super/root.(*Command).Run(0x17c74550a400, {0x17c7456987a0, 0x1, 0x1})
/Users/phil/work/super/cmd/super/root/command.go:108 +0xbbb
github.com/brimdata/super/pkg/charm.path.run({0x17c74569c570, 0x1, 0x1}, {0x17c7456987a0, 0x1, 0x0?})
/Users/phil/work/super/pkg/charm/path.go:11 +0x7b
github.com/brimdata/super/pkg/charm.(*Spec).Exec(0xf826190, {0x17c745698790, 0x2, 0x2})
/Users/phil/work/super/pkg/charm/charm.go:74 +0x1fa
main.main()
/Users/phil/work/super/cmd/super/main.go:40 +0x5b
Repro is with super commit ed44054.