Cargo Features

[dependencies]
bp-relayers = { version = "0.18.0", default-features = false, features = ["std"] }
default = std

The std feature is set by default whenever bp-relayers is added without default-features = false somewhere in the dependency tree.

std default

Enables std of bp-header-chain, bp-messages, bp-parachains, bp-runtime, parity-scale-codec, frame-support, frame-system, pallet-utility, scale-info, sp-runtime, and sp-std

bp-relayers has 2 features without comments.