Building on x86 with rust nightly, proc-macro2 v1.0.38 fail

[adamvm]

automata$ cargo build
Compiling proc-macro2 v1.0.38
error[E0422]: cannot find struct, variant or union type LineColumn in crate proc_macro
--> /home/am/.cargo/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.38/src/wrapper.rs:485:33
|
485 | let proc_macro::LineColumn { line, column } = s.start();
| ^^^^^^^^^^ not found in proc_macro
|
help: consider importing one of these items
|
1 + use crate::LineColumn;
|
1 + use crate::fallback::LineColumn;
|
help: if you import LineColumn, refer to it directly
|
485 - let proc_macro::LineColumn { line, column } = s.start();
485 + let LineColumn { line, column } = s.start();
|

error[E0422]: cannot find struct, variant or union type LineColumn in crate proc_macro
--> /home/am/.cargo/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.38/src/wrapper.rs:502:33
|
502 | let proc_macro::LineColumn { line, column } = s.end();
| ^^^^^^^^^^ not found in proc_macro
|
help: consider importing one of these items
|
1 + use crate::LineColumn;
|
1 + use crate::fallback::LineColumn;
|
help: if you import LineColumn, refer to it directly
|
502 - let proc_macro::LineColumn { line, column } = s.end();
502 + let LineColumn { line, column } = s.end();
|

For more information about this error, try rustc --explain E0422.
error: could not compile proc-macro2 (lib) due to 2 previous errors