Cargo Build "Path Too Long" on Windows

[brentarias]

On master branch (commit a98921f) I get a "path too long" build error:

PS C:\repos\helios> cargo build --release
    Updating crates.io index
    Updating git submodule `https://github.com/ethereum/tests.git`
error: failed to get `triehash-ethereum` as a dependency of package `helios-core v0.7.0 (C:\repos\helios\core)`

Caused by:
  failed to load source for dependency `triehash-ethereum`

Caused by:
  Unable to update https://github.com/openethereum/parity-ethereum?rev=55c90d4016505317034e3e98f699af07f5404b63#55c90d40

Caused by:
  failed to update submodule `ethcore/res/ethereum/tests`

Caused by:
  path too long: 'C:/Users/baria/.cargo/git/checkouts/parity-ethereum-9480f7de356d0285/55c90d4/ethcore/res/ethereum/tests/LegacyTests/Constantinople/BlockchainTests/GeneralStateTests/stMemExpandingEIP150Calls/CallAndCallcodeConsumeMoreGasThenTransactionHasWithMemExpandingCalls_d0g0v0.json'; class=Filesystem (30)

cargo version 1.77.2

Ideas?

[ncitron]

This seems to be a known issue in cargo on windows. This thread recommends some mitigations: rust-lang/cargo#13020