error: unexpected ` ` character after `.`
  --> $DIR/custom_code_classes_in_docs-warning.rs:9:1
   |
LL | / /// ```{. }
LL | | /// main;
LL | | /// ```
   | |_______^
   |
note: the lint level is defined here
  --> $DIR/custom_code_classes_in_docs-warning.rs:5:9
   |
LL | #![deny(warnings)]
   |         ^^^^^^^^
   = note: `#[deny(rustdoc::invalid_codeblock_attributes)]` implied by `#[deny(warnings)]`

error: unexpected ` ` character after `=`
  --> $DIR/custom_code_classes_in_docs-warning.rs:15:1
   |
LL | / /// ```{class= a}
LL | | /// main;
LL | | /// ```
   | |_______^

error: unexpected character `#`
  --> $DIR/custom_code_classes_in_docs-warning.rs:21:1
   |
LL | / /// ```{#id}
LL | | /// main;
LL | | /// ```
   | |_______^

error: unexpected character `{`
  --> $DIR/custom_code_classes_in_docs-warning.rs:27:1
   |
LL | / /// ```{{
LL | | /// main;
LL | | /// ```
   | |_______^

error: unexpected character `}`
  --> $DIR/custom_code_classes_in_docs-warning.rs:33:1
   |
LL | / /// ```}
LL | | /// main;
LL | | /// ```
   | |_______^

error: unexpected character `)`
  --> $DIR/custom_code_classes_in_docs-warning.rs:39:1
   |
LL | / /// ```)
LL | | /// main;
LL | | /// ```
   | |_______^

error: unexpected `}` character after `=`
  --> $DIR/custom_code_classes_in_docs-warning.rs:45:1
   |
LL | / /// ```{class=}
LL | | /// main;
LL | | /// ```
   | |_______^

error: unclosed comment: missing `)` at the end
  --> $DIR/custom_code_classes_in_docs-warning.rs:51:1
   |
LL | / /// ```(
LL | | /// main;
LL | | /// ```
   | |_______^

error: unexpected `=` character
  --> $DIR/custom_code_classes_in_docs-warning.rs:57:1
   |
LL | / /// ```{class=one=two}
LL | | /// main;
LL | | /// ```
   | |_______^

error: unexpected `.` character
  --> $DIR/custom_code_classes_in_docs-warning.rs:63:1
   |
LL | / /// ```{.one.two}
LL | | /// main;
LL | | /// ```
   | |_______^

error: unexpected `.` character after `=`
  --> $DIR/custom_code_classes_in_docs-warning.rs:69:1
   |
LL | / /// ```{class=.one}
LL | | /// main;
LL | | /// ```
   | |_______^

error: unexpected `.` character
  --> $DIR/custom_code_classes_in_docs-warning.rs:75:1
   |
LL | / /// ```{class=one.two}
LL | | /// main;
LL | | /// ```
   | |_______^

error: unexpected character `(`
  --> $DIR/custom_code_classes_in_docs-warning.rs:81:1
   |
LL | / /// ```{(comment)}
LL | | /// main;
LL | | /// ```
   | |_______^

error: aborting due to 13 previous errors