Comments (1)
Calling unwrap
is not inherently a bug, especially when the function is documented to have panic conditions.
Your program calls autocfg::new()
, which says, "Panics if AutoCfg::new()
returns an error." That in turn documents several common errors, including "OUT_DIR
is not set in the environment, or is not a writable directory." That's the panic I get when I run your code directly, but it's fine when I do set OUT_DIR
-- and typically that will be set by cargo
when autocfg
is used in a build script.
from autocfg.
Related Issues (20)
- Doesn't work with custom Rust sysroot HOT 3
- rust-flags specified in cargo configs are ignored by autocfg. HOT 6
- Publish 1.0 HOT 7
- Probe const_fn HOT 3
- crate has single crates.io owner HOT 3
- Expose `AutoCfg::probe` HOT 7
- Support RUSTC_WRAPPER HOT 2
- Probing for nightly HOT 3
- Is there some way to hide the rustc output? HOT 6
- Can I probe for const generics support? HOT 3
- autocfg does not work in the presence of -Z build-std HOT 8
- hanging on aarch64 HOT 3
- error: could not compile `autocfg` HOT 4
- Backport CARGO_ENCODED_RUSTFLAGS to version 0.1 HOT 2
- Consider adding `--cap-lints=warn` to probe `rustc` invocations
- 'probe' does not work under Miri HOT 3
- Not compiling in Docker image running on M1 Mac using `--platform linux/amd64` HOT 3
- Build errors on riscv64-linux HOT 2
- Fails to detect crate std on NixOS HOT 7
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from autocfg.