Cargo Features

[dependencies]
radix-transaction-scenarios = { version = "1.2.0", default-features = false, features = ["std", "alloc"] }
default = std

You should enable either std or alloc

std default

Enables moka and std of radix-engine, std of hex, radix-blueprint-schema-init, and radix-common and std of radix-engine-interface, radix-rust, radix-substate-store-impls, radix-substate-store-interface, radix-transactions, and sbor

sbor:

preserve_order requires std

Affects runners::dumper

alloc

Enables alloc and lru of radix-engine, alloc of hex, radix-blueprint-schema-init, and radix-common, alloc of radix-engine-interface, radix-rust, radix-substate-store-impls, radix-substate-store-interface, radix-transactions, and sbor