Compiling proc-macro2 v0.3.6
   Compiling num-traits v0.1.43
   Compiling arrayvec v0.4.7
error[E0433]: failed to resolve. Could not find `Op` in `proc_macro`
  --> /home/yatekii/.cargo/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.6/src/unstable.rs:72:42
   |
72 |                 let mut op = proc_macro::Op::new(tt.op(), spacing);
   |                                          ^^ Could not find `Op` in `proc_macro`

   Compiling syn v0.10.8
   Compiling unreachable v0.1.1
error[E0433]: failed to resolve. Could not find `Term` in `proc_macro`
   --> /home/yatekii/.cargo/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.6/src/unstable.rs:279:31
    |
279 |             term: proc_macro::Term::new(string, span.0),
    |                               ^^^^ Could not find `Term` in `proc_macro`

error[E0412]: cannot find type `Term` in module `proc_macro`
   --> /home/yatekii/.cargo/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.6/src/unstable.rs:273:23
    |
273 |     term: proc_macro::Term,
    |                       ^^^^ not found in `proc_macro`
help: possible candidates are found in other modules, you can import them into scope
    |
3   | use Term;
    |
3   | use imp::Term;
    |

   Compiling unreachable v1.0.0
error[E0599]: no variant named `Op` found for type `proc_macro::TokenTree` in the current scope
   --> /home/yatekii/.cargo/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.6/src/unstable.rs:132:13
    |
132 |             proc_macro::TokenTree::Op(tt) => {
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ variant not found in `proc_macro::TokenTree`

error[E0599]: no variant named `Term` found for type `proc_macro::TokenTree` in the current scope
   --> /home/yatekii/.cargo/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.6/src/unstable.rs:141:13
    |
141 |             proc_macro::TokenTree::Term(s) => {
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ variant not found in `proc_macro::TokenTree`

   Compiling heapsize v0.4.2
   Compiling regex-syntax v0.5.3
   Compiling regex v0.2.10
   Compiling stb_truetype v0.2.2
error: aborting due to 5 previous errors

Some errors occurred: E0412, E0433, E0599.
For more information about an error, try `rustc --explain E0412`.
   Compiling humantime v1.1.1
error: Could not compile `proc-macro2`.
warning: build failed, waiting for other jobs to finish...