Documenting ark-gemini v0.0.1 (/home/psc/repos/arkworks/gemini)
error[E0554]: `#![feature]` may not be used on the stable release channel
  --> src/lib.rs:21:12
   |
21 | #![feature(iter_advance_by)]
   |            ^^^^^^^^^^^^^^^

warning: unresolved link to `std::borrow::Borrow`
  --> src/iterable/mod.rs:46:85
   |
46 | /// For efficiency, functions using iterables are often times relying on [`Borrow`](std::borrow::Borrow)
   |                                                                                     ^^^^^^^^^^^^^^^^^^^ no item named `std` in scope
   |
   = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default

For more information about this error, try `rustc --explain E0554`.
warning: `ark-gemini` (lib doc) generated 1 warning
error: could not document `ark-gemini`

Caused by:
  process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name ark_gemini src/lib.rs -o /home/psc/repos/arkworks/gemini/target/doc --cfg 'feature="asm"' --cfg 'feature="default"' --cfg 'feature="parallel"' --cfg 'feature="rayon"' --cfg 'feature="std"' --error-format=json --json=diagnostic-rendered-ansi -C metadata=9ff161231d14f748 -L dependency=/home/psc/repos/arkworks/gemini/target/debug/deps --extern ark_bls12_381=/home/psc/repos/arkworks/gemini/target/debug/deps/libark_bls12_381-9836ca9b8a2a19f2.rmeta --extern ark_ec=/home/psc/repos/arkworks/gemini/target/debug/deps/libark_ec-dc7ab2a30c742f84.rmeta --extern ark_ff=/home/psc/repos/arkworks/gemini/target/debug/deps/libark_ff-6a6ea91bcea96c25.rmeta --extern ark_poly=/home/psc/repos/arkworks/gemini/target/debug/deps/libark_poly-2cd68947479d398e.rmeta --extern ark_relations=/home/psc/repos/arkworks/gemini/target/debug/deps/libark_relations-c2a0e86563607aeb.rmeta --extern ark_serialize=/home/psc/repos/arkworks/gemini/target/debug/deps/libark_serialize-17b56ca665c0af67.rmeta --extern ark_std=/home/psc/repos/arkworks/gemini/target/debug/deps/libark_std-edcac6b3f100482a.rmeta --extern blake3=/home/psc/repos/arkworks/gemini/target/debug/deps/libblake3-9d56d2b5f23956a5.rmeta --extern derivative=/home/psc/repos/arkworks/gemini/target/debug/deps/libderivative-b935029817f3bf90.so --extern digest=/home/psc/repos/arkworks/gemini/target/debug/deps/libdigest-30d9c409e68f5289.rmeta --extern env_logger=/home/psc/repos/arkworks/gemini/target/debug/deps/libenv_logger-14eb57cea8a6b0a0.rmeta --extern hashbrown=/home/psc/repos/arkworks/gemini/target/debug/deps/libhashbrown-5a0eac7c79eb2841.rmeta --extern log=/home/psc/repos/arkworks/gemini/target/debug/deps/liblog-cdc2d7905552de0a.rmeta --extern memmap=/home/psc/repos/arkworks/gemini/target/debug/deps/libmemmap-2044aa9790a4a46c.rmeta --extern merlin=/home/psc/repos/arkworks/gemini/target/debug/deps/libmerlin-443375fb277fa752.rmeta --extern procinfo=/home/psc/repos/arkworks/gemini/target/debug/deps/libprocinfo-6dca9b092562e048.rmeta --extern rand=/home/psc/repos/arkworks/gemini/target/debug/deps/librand-ef6be62d243155c9.rmeta --extern rand_chacha=/home/psc/repos/arkworks/gemini/target/debug/deps/librand_chacha-b7bc2863b7b971c0.rmeta --extern rand_core=/home/psc/repos/arkworks/gemini/target/debug/deps/librand_core-1c57211e7201f937.rmeta --extern rayon=/home/psc/repos/arkworks/gemini/target/debug/deps/librayon-246f2c842f31bc90.rmeta --html-in-header doc/katex-header.html --crate-version 0.0.1` (exit status: 1)