message: Fix reference docs for "incremental" in the wrong place.
  It is part of the [build] section, not a [target].
diff: @@ -76,8 +76,6 @@ runner = ".."
  # custom flags to pass to all compiler invocations that target $triple
  # this value overrides build.rustflags when both are present
  rustflags = ["..", ".."]
  -# Whether or not to enable incremental compilation
  -incremental = true
  [target.'cfg(...)']
  # Similar for the $triple configuration, but using the `cfg` syntax.
  @@ -105,6 +103,7 @@ rustdoc = "rustdoc" # the doc generator tool
  target = "triple" # build for the target triple
  target-dir = "target" # path of where to place all generated artifacts
  rustflags = ["..", ".."] # custom flags to pass to all compiler invocations
  +incremental = true # whether or not to enable incremental compilation
  [term]
  verbose = false # whether cargo provides verbose output
  