error: redundant closure
   --> halo2_proofs/src/plonk/mv_lookup/prover.rs:483:22
    |
483 |                 .map(|i| Fr::from(i))
    |                      ^^^^^^^^^^^^^^^ help: replace the closure with the function itself: `Fr::from`
    |
    = note: `-D clippy::redundant-closure` implied by `-D warnings`
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure

error: unused variable: `table`
   --> halo2_proofs/src/plonk/mv_lookup/prover.rs:481:17
    |
481 |             let table: BTreeMap<Fr, usize> = (0..n)
    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_table`

error: unused variable: `table`
   --> halo2_proofs/src/plonk/mv_lookup/prover.rs:469:17
    |
469 |             let table: BTreeMap<Fr, usize> = (0..n)
    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_table`
    |
    = note: `-D unused-variables` implied by `-D warnings`

error[E0432]: unresolved import `env_logger`
   --> halo2_proofs/src/plonk/mv_lookup/prover.rs:454:9
    |
454 |     use env_logger::init;
    |         ^^^^^^^^^^ use of undeclared crate or module `env_logger`