Any advice on feature unification when using bootloader in workspace

I've been following the guide on setting up the workspace such that the kernel is in a separate crate and is brought in as an artifact dependency:

```
[build-dependencies]
bootloader = "0.11.4"
kernel = { path = "kernel", artifact = "bin" }

[workspace]
resolver = "2"
members = ["kernel"]
```

The problem I'm having is that when I use the `vga` crate, which uses `bitflags`, it contains the `std` feature as bootloader also uses this crate in  `std` env. 

Leading to this error:
```
   Compiling kernel v0.0.0 (REDACTED)
error[E0152]: found duplicate lang item `panic_impl`
  --> kernel/src/main.rs:31:1
   |
31 | / pub fn panic(_info: &PanicInfo) -> ! {
32 | |     loop {}
33 | | }
   | |_^
   |
   = note: the lang item is first defined in crate `std` (which `bitflags` depends on)
   = note: first definition in `std` loaded from /home/aaron/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d65a5ac20318153f.so, /home/aaron/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d65a5ac20318153f.rlib
   = note: second definition in the local crate (`kernel`)
```

Is there any way to get around this? I was hoping artifact dependencies would be completely seperate but that doesn't seem to be the case. Am I doing something wrong in my setup?
I've tried explicit using `bitflags` with `default-features=false` and using the v2 resolver to no avail

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