these 5 derivations will be built: /nix/store/0zbvkpmrsbc10xsb0ag75bfvz2r1g2sr-iets-0.1.0.drv /nix/store/alcsb68faxcammwmjym0z587jfcvw17r-iets-fuzz-diff-deps-0.0.0.drv /nix/store/6vlrnfc3ifs94n565fwh4fr9vdj6g8ny-iets-fuzz-diff-0.0.0.drv /nix/store/digjnbgri8f9c171wclpgm4nnaf5jh15-iets-conformance-adapter.drv /nix/store/hbim5irsz66d0k1a6zhhsi0rxqacxinl-nix-conformance-iets.drv error: Cannot build '/nix/store/alcsb68faxcammwmjym0z587jfcvw17r-iets-fuzz-diff-deps-0.0.0.drv'. Reason: builder failed with exit code 101. Output paths: /nix/store/kbp2spy1yg86a947jw2pi5db3m4xjp3g-iets-fuzz-diff-deps-0.0.0 Last 17 log lines: > cargoArtifacts not set, will not reuse any cargo artifacts > Running phase: unpackPhase > unpacking source archive /nix/store/ydvhq1pm7x1r8a5jpqlf2m1k7dysdsb8-source > source root is source > Running phase: patchPhase > will use /nix/store/jw1ir0ipc2rypf5ms95pm1gkp99qffan-Cargo.lock as Cargo.lock > Executing configureCargoCommonVars > Running phase: updateAutotoolsGnuConfigScriptsPhase > Running phase: configurePhase > will append /build/source/fuzz/.cargo-home/config.toml with contents of /nix/store/4xasvnhsyam6m5wwm4xafl5dmg1kkpsi-vendor-cargo-deps/config.toml > default configurePhase, nothing to do > Running phase: buildPhase > +++ command cargo --version > cargo 1.98.0 (797e8a9bc 2026-08-05) > +++ command cargo check --release --locked --bin fuzz-diff --bin conformance-adapter > error: cannot update the lock file /build/source/fuzz/Cargo.lock because --locked was passed to prevent this > help: to generate the lock file without accessing the network, remove the --locked flag and use --offline instead. For full logs, run: nix log /nix/store/alcsb68faxcammwmjym0z587jfcvw17r-iets-fuzz-diff-deps-0.0.0.drv error: Cannot build '/nix/store/6vlrnfc3ifs94n565fwh4fr9vdj6g8ny-iets-fuzz-diff-0.0.0.drv'. Reason: 1 dependency failed. Output paths: /nix/store/jml3p846h0178z8z9qjg78ymwlscbl65-iets-fuzz-diff-0.0.0 error: Cannot build '/nix/store/digjnbgri8f9c171wclpgm4nnaf5jh15-iets-conformance-adapter.drv'. Reason: 1 dependency failed. Output paths: /nix/store/gwxmp13a9nqd50gcmm9fzmg65s3w5irh-iets-conformance-adapter error: Cannot build '/nix/store/hbim5irsz66d0k1a6zhhsi0rxqacxinl-nix-conformance-iets.drv'. Reason: 1 dependency failed. Output paths: /nix/store/yp2qvcrsmyv11mg1lwc7w388c7i0lgpi-nix-conformance-iets