these 5 derivations will be built:
  /nix/store/d3zhqgvywyjlch7qdlfnijfbgd61z0z0-vendor-registry.drv
  /nix/store/cj1lrmfd6jclnl7nq7ybkmik0d5mr2gd-vendor-cargo-deps.drv
  /nix/store/wgfjc20dqa3p539jr5wijpxpslvlnkjm-source.drv
  /nix/store/r7a12r5mshbigm721xz68ska2py8ag4a-herdr-eternal-deps-0.1.0.drv
  /nix/store/lkxg6fx6d46dil07xq1nafxiaq7y9d7g-herdr-eternal-test-0.1.0.drv
building '/nix/store/lkxg6fx6d46dil07xq1nafxiaq7y9d7g-herdr-eternal-test-0.1.0.drv'
herdr-eternal-test-0.1.0> tribuchet: building on eliza
herdr-eternal-test-0.1.0> Running phase: unpackPhase
herdr-eternal-test-0.1.0> unpacking source archive /nix/store/w13m9nflm44xbqqa2m4zvi8d04j4a4s5-source
herdr-eternal-test-0.1.0> source root is source
herdr-eternal-test-0.1.0> Running phase: patchPhase
herdr-eternal-test-0.1.0> Executing configureCargoCommonVars
herdr-eternal-test-0.1.0> decompressing cargo artifacts from /nix/store/w1yiarmf60vnjmwcvnxw8mvs13i5r75m-herdr-eternal-deps-0.1.0/target.tar.zst to target
herdr-eternal-test-0.1.0> Running phase: updateAutotoolsGnuConfigScriptsPhase
herdr-eternal-test-0.1.0> Running phase: configurePhase
herdr-eternal-test-0.1.0> will append /build/source/.cargo-home/config.toml with contents of /nix/store/q5wrgiy3k41322p5vh9fj8znqhl291mm-vendor-cargo-deps/config.toml
herdr-eternal-test-0.1.0> default configurePhase, nothing to do
herdr-eternal-test-0.1.0> Running phase: buildPhase
herdr-eternal-test-0.1.0> +++ command cargo --version
herdr-eternal-test-0.1.0> cargo 1.97.0 (c980f4866 2026-06-30)
herdr-eternal-test-0.1.0> Running phase: checkPhase
herdr-eternal-test-0.1.0> +++ command cargo test --release --locked
herdr-eternal-test-0.1.0>    Compiling herdr-eternal-proto v0.1.0 (/build/source/proto)
herdr-eternal-test-0.1.0>    Compiling herdr-eternal-server v0.1.0 (/build/source/server)
herdr-eternal-test-0.1.0>    Compiling herdr-eternal-ssh v0.1.0 (/build/source/client)
herdr-eternal-test-0.1.0> error[E0609]: no field `key_pair` on type `CertifiedKey<KeyPair>`
herdr-eternal-test-0.1.0>   --> client/tests/quic.rs:15:36
herdr-eternal-test-0.1.0>    |
herdr-eternal-test-0.1.0> 15 |     std::fs::write(&key_path, cert.key_pair.serialize_pem()).unwrap();
herdr-eternal-test-0.1.0>    |                                    ^^^^^^^^ unknown field
herdr-eternal-test-0.1.0>    |
herdr-eternal-test-0.1.0>    = note: available fields are: `cert`, `signing_key`
herdr-eternal-test-0.1.0> 
herdr-eternal-test-0.1.0> error[E0609]: no field `key_pair` on type `CertifiedKey<KeyPair>`
herdr-eternal-test-0.1.0>    --> client/examples/latency.rs:118:36
herdr-eternal-test-0.1.0>     |
herdr-eternal-test-0.1.0> 118 |     std::fs::write(&key_path, cert.key_pair.serialize_pem()).unwrap();
herdr-eternal-test-0.1.0>     |                                    ^^^^^^^^ unknown field
herdr-eternal-test-0.1.0>     |
herdr-eternal-test-0.1.0>     = note: available fields are: `cert`, `signing_key`
herdr-eternal-test-0.1.0> 
herdr-eternal-test-0.1.0> For more information about this error, try `rustc --explain E0609`.
herdr-eternal-test-0.1.0> error: could not compile `herdr-eternal-ssh` (test "quic") due to 1 previous error
herdr-eternal-test-0.1.0> warning: build failed, waiting for other jobs to finish...
herdr-eternal-test-0.1.0> error: could not compile `herdr-eternal-ssh` (example "latency") due to 1 previous error
herdr-eternal-test-0.1.0> error[E0609]: no field `key_pair` on type `rcgen::CertifiedKey<rcgen::KeyPair>`
herdr-eternal-test-0.1.0>    --> client/src/channel.rs:232:67
herdr-eternal-test-0.1.0>     |
herdr-eternal-test-0.1.0> 232 |         let key = rustls_pki_types::PrivatePkcs8KeyDer::from(cert.key_pair.serialize_der());
herdr-eternal-test-0.1.0>     |                                                                   ^^^^^^^^ unknown field
herdr-eternal-test-0.1.0>     |
herdr-eternal-test-0.1.0>     = note: available fields are: `cert`, `signing_key`
herdr-eternal-test-0.1.0> 
herdr-eternal-test-0.1.0> error: could not compile `herdr-eternal-ssh` (lib test) due to 1 previous error
error: Cannot build '/nix/store/lkxg6fx6d46dil07xq1nafxiaq7y9d7g-herdr-eternal-test-0.1.0.drv'.
       Reason: builder failed with exit code 101.
       Output paths:
         /nix/store/5v0w5w803vhb0iy26w5zh4sywkzw373m-herdr-eternal-test-0.1.0
       Last 25 log lines:
       >    |                                    ^^^^^^^^ unknown field
       >    |
       >    = note: available fields are: `cert`, `signing_key`
       >
       > error[E0609]: no field `key_pair` on type `CertifiedKey<KeyPair>`
       >    --> client/examples/latency.rs:118:36
       >     |
       > 118 |     std::fs::write(&key_path, cert.key_pair.serialize_pem()).unwrap();
       >     |                                    ^^^^^^^^ unknown field
       >     |
       >     = note: available fields are: `cert`, `signing_key`
       >
       > For more information about this error, try `rustc --explain E0609`.
       > error: could not compile `herdr-eternal-ssh` (test "quic") due to 1 previous error
       > warning: build failed, waiting for other jobs to finish...
       > error: could not compile `herdr-eternal-ssh` (example "latency") due to 1 previous error
       > error[E0609]: no field `key_pair` on type `rcgen::CertifiedKey<rcgen::KeyPair>`
       >    --> client/src/channel.rs:232:67
       >     |
       > 232 |         let key = rustls_pki_types::PrivatePkcs8KeyDer::from(cert.key_pair.serialize_der());
       >     |                                                                   ^^^^^^^^ unknown field
       >     |
       >     = note: available fields are: `cert`, `signing_key`
       >
       > error: could not compile `herdr-eternal-ssh` (lib test) due to 1 previous error
       For full logs, run:
         nix log /nix/store/lkxg6fx6d46dil07xq1nafxiaq7y9d7g-herdr-eternal-test-0.1.0.drv