these 5 derivations will be built:
  /nix/store/6g8p2pwyins3sc4ydvb7alx64qd9lnq8-vendor-registry.drv
  /nix/store/2xs9qwzplyghp4i4scsicccfi2yrqv4b-vendor-cargo-deps.drv
  /nix/store/cv7gmvfk2azyhgrdryzrk83wd8fxjvic-source.drv
  /nix/store/yrnvsld1sarv6vkgp2i5rg5zd429drb8-herdr-eternal-deps-0.1.0.drv
  /nix/store/9y6hlgi8lihna2m9376x4nzpcflpvy7v-herdr-eternal-test-0.1.0.drv
error: Cannot build '/nix/store/9y6hlgi8lihna2m9376x4nzpcflpvy7v-herdr-eternal-test-0.1.0.drv'.
       Reason: builder failed with exit code 101.
       Output paths:
         /nix/store/l1d5j5f0ld2dz6pvmgbgsjl53i26q9cz-herdr-eternal-test-0.1.0
       Last 25 log lines:
       > source root is source
       > Running phase: patchPhase
       > Executing configureCargoCommonVars
       > decompressing cargo artifacts from /nix/store/hkp4ay7jbbamf1jsiwfzyslpnk1g1vxr-herdr-eternal-deps-0.1.0/target.tar.zst to target
       > Running phase: updateAutotoolsGnuConfigScriptsPhase
       > Running phase: configurePhase
       > will append /build/source/.cargo-home/config.toml with contents of /nix/store/s4nhw42mxwr42sz5nbqda2j5sha67arg-vendor-cargo-deps/config.toml
       > default configurePhase, nothing to do
       > Running phase: buildPhase
       > +++ command cargo --version
       > cargo 1.99.0 (5f94df478 2026-08-27)
       > Running phase: checkPhase
       > +++ command cargo test --release --locked
       >    Compiling herdr-eternal-proto v0.1.0 (/build/source/proto)
       >    Compiling herdr-eternal-server v0.1.0 (/build/source/server)
       >    Compiling herdr-eternal-ssh v0.1.0 (/build/source/client)
       > error[E0425]: cannot find value `OsRng` in module `rand::rngs`
       >   --> server/src/test_oidc.rs:62:54
       >    |
       > 62 |             rsa::RsaPrivateKey::new(&mut rand::rngs::OsRng, 2048).expect("generate test RSA key");
       >    |                                                      ^^^^^ not found in `rand::rngs`
       >
       > For more information about this error, try `rustc --explain E0425`.
       > error: could not compile `herdr-eternal-server` (lib) due to 1 previous error
       > warning: build failed, waiting for other jobs to finish...
       For full logs, run:
         nix log /nix/store/9y6hlgi8lihna2m9376x4nzpcflpvy7v-herdr-eternal-test-0.1.0.drv