cargo check
    Updating crates.io index
 Downloading crates ...
  Downloaded libc v0.2.161
   Compiling libc v0.2.161
    Checking uds v0.4.2 (/tmp/cirrus-ci-build)
    Finished dev [unoptimized + debuginfo] target(s) in 1m 14s
cargo check --features mio_08
 Downloading crates ...
  Downloaded mio v0.8.11
  Downloaded log v0.4.22
    Checking log v0.4.22
    Checking mio v0.8.11
    Checking uds v0.4.2 (/tmp/cirrus-ci-build)
    Finished dev [unoptimized + debuginfo] target(s) in 1.18s
cargo check --features tokio
 Downloading crates ...
  Downloaded pin-project-lite v0.2.15
  Downloaded socket2 v0.5.7
  Downloaded quote v1.0.37
  Downloaded tokio-macros v2.4.0
  Downloaded proc-macro2 v1.0.89
  Downloaded unicode-ident v1.0.13
  Downloaded bytes v1.8.0
  Downloaded mio v1.0.2
  Downloaded syn v2.0.85
  Downloaded tokio v1.41.0
error: package `mio v1.0.2` cannot be built because it requires rustc 1.70 or newer, while the currently active rustc version is 1.63.0

Exit status: 101