DRAFT: added cli flags to enable "--careful" mode inspired by cargo careful
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* based on [this PR](rust-fuzz/cargo-fuzz#292) to `cargo-fuzz` by @saethlin * based on [cargo-careful](https://github.com/RalfJung/cargo-careful) by @RalfJung
f0rki
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cargo carefulcargo careful
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cargo-fuzzby @saethlinProblem is that passing
-Zbuild-stdbreaks linking, because of duplicate symbols between the libafl runtime staticlib and the freshly built std crates.I believe this is the relevant upstream issue: rust-lang/rust#104707 also here rust-lang/rust#44322 (comment) and here https://alanwu.space/post/symbol-hygiene/