Cargo build fails

[armchairancap]

Can you provide working instructions for building on Linux?

• Currently 1.54 is specified, which fails
• 1.85.1 also doesn't work

1.54

rustup default stable
rustup update nightly
rustup update stable
rustup target add wasm32-unknown-unknown --toolchain nightly
cargo build --release

   ....
   Compiling toml v0.5.8
   Compiling bincode v1.3.3
error: failed to run custom build command for `librocksdb-sys v6.20.3`

Caused by:
  process didn't exit successfully: `/home/user/code/supra-client/target/release/build/librocksdb-sys-128b329c2a2ee146/build-script-build` (exit status: 101)
  --- stderr
  thread 'main' panicked at '"enum_(unnamed_at_rocksdb/include/rocksdb/c_h_854_1)" is not a valid Ident', /home/user/.cargo/registry/src/github.com-1ecc6299db9ec823/proc-macro2-1.0.28/src/fallback.rs:702:9
  note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
warning: build failed, waiting for other jobs to finish...
error: build failed

Versions:

$ rustc -V
rustc 1.54.0 (a178d0322 2021-07-26)

$ cargo version
cargo 1.54.0 (5ae8d74b3 2021-06-22)

Full trace:

Caused by:
  process didn't exit successfully: `/home/user/code/supra-client/target/release/build/librocksdb-sys-128b329c2a2ee146/build-script-build` (exit status: 101)
  --- stderr
  thread 'main' panicked at '"enum_(unnamed_at_rocksdb/include/rocksdb/c_h_854_1)" is not a valid Ident', /home/user/.cargo/registry/src/github.com-1ecc6299db9ec823/proc-macro2-1.0.28/src/fallback.rs:702:9
  stack backtrace:
     0: rust_begin_unwind
               at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
     1: std::panicking::begin_panic_fmt
               at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:457:5
     2: proc_macro2::fallback::validate_ident
     3: proc_macro2::fallback::Ident::_new
     4: proc_macro2::fallback::Ident::new
     5: proc_macro2::imp::Ident::new
     6: proc_macro2::Ident::new
     7: bindgen::ir::context::BindgenContext::rust_ident_raw
     8: bindgen::ir::context::BindgenContext::rust_ident
     9: <bindgen::ir::enum_ty::Enum as bindgen::codegen::CodeGenerator>::codegen
    10: <bindgen::ir::ty::Type as bindgen::codegen::CodeGenerator>::codegen
    11: <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen
    12: <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::{{closure}}
    13: <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen
    14: <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen
    15: bindgen::codegen::codegen::{{closure}}
    16: bindgen::ir::context::BindgenContext::gen
    17: bindgen::codegen::codegen
    18: bindgen::Bindings::generate
    19: bindgen::Builder::generate
    20: build_script_build::bindgen_rocksdb
    21: build_script_build::main
    22: core::ops::function::FnOnce::call_once
  note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
warning: build failed, waiting for other jobs to finish...
error: build failed

1.85.1

Ends with another error related to librocksdb:

"enum_(unnamed_at_rocksdb/include/rocksdb/c_h_854_1)" is not a valid Ident

More here.