these 7 derivations will be built:
  /nix/store/3m49ybp9sbgjcrmsd57iqzw6x8niaq49-Cargo.toml.drv
  /nix/store/s5i86i4x8wphl0b3mlmyy9q7zc1cn7q5-cargo-package-rand-0.8.8.drv
  /nix/store/k71sykg3zbra2fs9rn8v8i060fmlr16h-vendor-registry.drv
  /nix/store/hkcahllgpap19wnvdpa90nc0wg6ma5jy-vendor-cargo-deps.drv
  /nix/store/ipalbrpkhywd9wiz5s1rrmw195sq9v7h-source.drv
  /nix/store/ycxdf5sfv0fraplpi8378vrrf9hy20d6-herdr-eternal-deps-0.1.0.drv
  /nix/store/inj64ih0nwh6ivrk10dm78rn4jfk4gwr-herdr-eternal-0.1.0.drv
error: Cannot build '/nix/store/inj64ih0nwh6ivrk10dm78rn4jfk4gwr-herdr-eternal-0.1.0.drv'.
       Reason: builder failed with exit code 101.
       Output paths:
         /nix/store/5lpgkr64gawmc0vdlm18y8fjwn65x7n2-herdr-eternal-0.1.0
       Last 25 log lines:
       > cargo 1.99.0 (5f94df478 2026-08-27)
       > +++ command cargo build --release --message-format json-render-diagnostics --locked
       >    Compiling herdr-eternal-proto v0.1.0 (/build/source/proto)
       >    Compiling herdr-eternal-ssh v0.1.0 (/build/source/client)
       >    Compiling herdr-eternal-server v0.1.0 (/build/source/server)
       >     Finished `release` profile [optimized] target(s) in 30.60s
       > searching for bins/libs to install from cargo build log at cargoBuildLogREqZ.json
       > installing /build/source/target/release/herdr-eternal-server in postBuildInstallFromCargoBuildLogOutTempWWI/bin
       > installing /build/source/target/release/herdr-eternal-ssh in postBuildInstallFromCargoBuildLogOutTempWWI/bin
       > searching for bins/libs complete
       > buildPhase completed in 31 seconds
       > 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/inj64ih0nwh6ivrk10dm78rn4jfk4gwr-herdr-eternal-0.1.0.drv