cargo-crev panics when trying to review a crate

[Matthias Beyer]

• cargo-crev 0.23.3
• nix-shell -p cargo-crev
• NixOS

$ RUST_BACKTRACE=1 cargo-crev crev crate review -u type_description
thread 'main' panicked at 'assertion failed: !crate_root.starts_with(std::env::current_dir()?)', cargo-crev/src/review.rs:39:5
stack backtrace:
   0: rust_begin_unwind
   1: core::panicking::panic_fmt
   2: core::panicking::panic
   3: cargo_crev::review::create_review_proof
   4: cargo_crev::crate_review::{{closure}}
   5: cargo_crev::shared::handle_goto_mode_command
   6: cargo_crev::crate_review
   7: cargo_crev::run_command
   8: std::panicking::try
   9: cargo_crev::handle_command_result_and_panics
  10: cargo_crev::main
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.

[Dawid Ciężarkiewicz]

Seems like this must have been addressed in a5484e1 , so closing, but anyone feel free to reopen if that's not the case.