I wonder if Rust's compile-time meta-programming can be used to implement 'pluggable' linear-types for experiments, maybe along the lines of [1]. That might be a good compromise.
[1] S. Chang, A. Knauth, B. Greenman, Type Systems as Macros. http://www.ccs.neu.edu/home/stchang/pubs/ckg-popl2017.pdf