=> Bootstrap dependency digest>=20211023: found digest-20220214
===> Skipping vulnerability checks.
WARNING: No /usr/pkg/pkgdb/pkg-vulnerabilities file found.
WARNING: To fix run: `/usr/sbin/pkg_admin -K /usr/pkg/pkgdb fetch-pkg-vulnerabilities'.
===> Building for rust-1.66.1
pre-installed rustc not detected: [Errno 2] No such file or directory: 'rustc'
falling back to auto-detect
Building rustbuild
running: /usr/pkgsrc/lang/rust/work/rust-bootstrap/bin/cargo build --manifest-path /usr/pkgsrc/lang/rust/work/rustc-1.66.1-src/src/bootstrap/Cargo.toml --frozen
error: process didn't exit successfully: `/usr/pkgsrc/lang/rust/work/rust-bootstrap/bin/rustc -vV` (exit status: 1)
--- stderr
Shared object "libstdc++.so.9" not found

Traceback (most recent call last):
  File "/usr/pkgsrc/lang/rust/work/rustc-1.66.1-src/./x.py", line 28, in <module>
    bootstrap.main()
  File "/usr/pkgsrc/lang/rust/work/rustc-1.66.1-src/src/bootstrap/bootstrap.py", line 948, in main
    bootstrap(help_triggered)
  File "/usr/pkgsrc/lang/rust/work/rustc-1.66.1-src/src/bootstrap/bootstrap.py", line 925, in bootstrap
    build.build_bootstrap(args.color)
  File "/usr/pkgsrc/lang/rust/work/rustc-1.66.1-src/src/bootstrap/bootstrap.py", line 794, in build_bootstrap
    run(args, env=env, verbose=self.verbose, cwd=self.rust_root)
  File "/usr/pkgsrc/lang/rust/work/rustc-1.66.1-src/src/bootstrap/bootstrap.py", line 166, in run
    raise RuntimeError(err)
RuntimeError: failed to run: /usr/pkgsrc/lang/rust/work/rust-bootstrap/bin/cargo build --manifest-path /usr/pkgsrc/lang/rust/work/rustc-1.66.1-src/src/bootstrap/Cargo.toml --frozen
*** Error code 1

Stop.
make[1]: stopped in /usr/pkgsrc/lang/rust
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/lang/rust