`rustflags` is not passed when using artifact dependency?

I asked question here.

This is a reproduction code for above question.

You can reproduce my problem in below steps.

run cargo build in root workspace directory.
run cargo build in binary_deps directory.
compare ELF type between target/debug/binary_deps and target/debug/deps/artifact/binary-deps-<id>/bin/binary_deps-<id>

Name		Name	Last commit message	Last commit date
Latest commit History 2 Commits
.cargo		.cargo
binary_deps		binary_deps
src		src
.gitignore		.gitignore
Cargo.lock		Cargo.lock
Cargo.toml		Cargo.toml
README.md		README.md
build.rs		build.rs
rust-toolchain.toml		rust-toolchain.toml

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