error: expected this to be of the form `... = "..."`
  --> $DIR/bad-render-options.rs:4:8
   |
LL | #![doc(html_favicon_url)]
   |        ^^^^^^^^^^^^^^^^
   |
   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
note: the lint level is defined here
  --> $DIR/bad-render-options.rs:2:9
   |
LL | #![deny(invalid_doc_attributes)]
   |         ^^^^^^^^^^^^^^^^^^^^^^

error: expected this to be of the form `... = "..."`
  --> $DIR/bad-render-options.rs:7:8
   |
LL | #![doc(html_logo_url)]
   |        ^^^^^^^^^^^^^
   |
   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!

error: expected this to be of the form `... = "..."`
  --> $DIR/bad-render-options.rs:10:8
   |
LL | #![doc(html_playground_url)]
   |        ^^^^^^^^^^^^^^^^^^^
   |
   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!

error: expected this to be of the form `... = "..."`
  --> $DIR/bad-render-options.rs:13:8
   |
LL | #![doc(issue_tracker_base_url)]
   |        ^^^^^^^^^^^^^^^^^^^^^^
   |
   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!

error: malformed `doc` attribute input
  --> $DIR/bad-render-options.rs:16:27
   |
LL | #![doc(html_favicon_url = 1)]
   |                           ^
   |
   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!

error: malformed `doc` attribute input
  --> $DIR/bad-render-options.rs:19:24
   |
LL | #![doc(html_logo_url = 2)]
   |                        ^
   |
   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!

error: malformed `doc` attribute input
  --> $DIR/bad-render-options.rs:22:30
   |
LL | #![doc(html_playground_url = 3)]
   |                              ^
   |
   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!

error: malformed `doc` attribute input
  --> $DIR/bad-render-options.rs:25:33
   |
LL | #![doc(issue_tracker_base_url = 4)]
   |                                 ^
   |
   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!

error: didn't expect any arguments here
  --> $DIR/bad-render-options.rs:28:23
   |
LL | #![doc(html_no_source = "asdf")]
   |                       ^^^^^^^^
   |
   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!

error: aborting due to 9 previous errors