syn

Author: Manishearth

.github/workflows/main.yml

@@ -40,10 +40,13 @@ jobs:
  if: |
  matrix.rust == '1.63.0'
  run: |
- cargo update -p idna_adapter --precise 1.1.0
- cargo update -p getopts --precise 0.2.22
- cargo update -p unicode-width --precise 0.1.12
- cargo update -p syn --precise 2.0.100
+ # cargo update -p idna_adapter --precise 1.1.0
+ # cargo update -p getopts --precise 0.2.22
+ # cargo update -p unicode-width --precise 0.1.12
+ # cargo update syn@2 --precise 2.0.100
+ # Unfortunately `syn@2` syntax doesn't work on 1.63, and we don't know the precise
+ # version beforehand. So we copy the lockfile we have already prepared.
+ cp ci-lockfiles/1.63.Cargo.lock Cargo.lock
  # Older Unicode versions have a different test file
  cp idna/tests/IdnaTestV2-Unicode16.txt idna/tests/IdnaTestV2.txt
  - name: Downgrade deps on Rust 1.82.0