Cargo Features

[dependencies]
ink_sandbox = { version = "5.1.0", default-features = false, features = ["std"] }
default = std

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

std default

Enables std of frame-support ^32.0.0, frame-system ^32.0.0, pallet-balances ^33.0.0, pallet-contracts ^31.0.0, pallet-timestamp ^31.0.0, parity-scale-codec, scale-info, sp-core ^32.0.0, sp-externalities ^0.28.0, and sp-io ^34.0.0

ink_sandbox has 2 features without comments.