these 5 derivations will be built:
  /nix/store/vp2qd9vnk1plwqyfaprfq0iaxkyldflb-source-patched-source.drv
  /nix/store/56mk722y385cyml4h6qw71a1gjhdimpd-nix-util-2.36.0pre20260914_920f6956+1.drv
  /nix/store/faknwhj72j6qffsf8h9ga9yv4w8dfdbj-nix-store-2.36.0pre20260914_920f6956+1.drv
  /nix/store/czg5d3argc3im31lxscji7xdi1gf2wdm-nix-grpc-store-0.1.0.drv
  /nix/store/ihifnwv2yq8s51id350qdra8cij4hcr1-nix-grpc-store-dispatcher.drv
building '/nix/store/vp2qd9vnk1plwqyfaprfq0iaxkyldflb-source-patched-source.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/vp2qd9vnk1plwqyfaprfq0iaxkyldflb-source-patched-source.drv'
source-patched-source> Running phase: unpackPhase
source-patched-source> unpacking source archive /nix/store/qdk9vrzh4vysjmdx10ilzdcfvzxli7zj-source
source-patched-source> source root is source
source-patched-source> Running phase: patchPhase
source-patched-source> applying patch /nix/store/qrjc57az3x89dsk86p5ysr9nc9wibnvc-nix-readerror-level.patch
source-patched-source> patching file src/libutil-tests/serialise.cc
source-patched-source> Hunk #1 succeeded at 71 with fuzz 1 (offset 47 lines).
source-patched-source> patching file src/libutil/serialise.cc
source-patched-source> Hunk #1 FAILED at 630.
source-patched-source> 1 out of 1 hunk FAILED -- saving rejects to file src/libutil/serialise.cc.rej
error: build of '/nix/store/vp2qd9vnk1plwqyfaprfq0iaxkyldflb-source-patched-source.drv' on 'ssh-ng://customer@mac02' failed: Cannot build '/nix/store/vp2qd9vnk1plwqyfaprfq0iaxkyldflb-source-patched-source.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/zyvsix3mx2gwwhb3xjxd65ib2jpas5xx-source-patched-source
       Last 10 log lines:
       > Running phase: unpackPhase
       > unpacking source archive /nix/store/qdk9vrzh4vysjmdx10ilzdcfvzxli7zj-source
       > source root is source
       > Running phase: patchPhase
       > applying patch /nix/store/qrjc57az3x89dsk86p5ysr9nc9wibnvc-nix-readerror-level.patch
       > patching file src/libutil-tests/serialise.cc
       > Hunk #1 succeeded at 71 with fuzz 1 (offset 47 lines).
       > patching file src/libutil/serialise.cc
       > Hunk #1 FAILED at 630.
       > 1 out of 1 hunk FAILED -- saving rejects to file src/libutil/serialise.cc.rej
       For full logs, run:
         nix log /nix/store/vp2qd9vnk1plwqyfaprfq0iaxkyldflb-source-patched-source.drv
error: Cannot build '/nix/store/vp2qd9vnk1plwqyfaprfq0iaxkyldflb-source-patched-source.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/zyvsix3mx2gwwhb3xjxd65ib2jpas5xx-source-patched-source
error: Cannot build '/nix/store/56mk722y385cyml4h6qw71a1gjhdimpd-nix-util-2.36.0pre20260914_920f6956+1.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/cyhry73cmjciz753skl8az2pz48qph5f-nix-util-2.36.0pre20260914_920f6956+1
         /nix/store/pcjpxpykmbs8xb5ipkh1d1537cw7fyz8-nix-util-2.36.0pre20260914_920f6956+1-dev
error: Cannot build '/nix/store/faknwhj72j6qffsf8h9ga9yv4w8dfdbj-nix-store-2.36.0pre20260914_920f6956+1.drv'.
       Reason: 2 dependencies failed.
       Output paths:
         /nix/store/6kg11hwz2sg50bmvm6n65pvby220q0ja-nix-store-2.36.0pre20260914_920f6956+1-dev
         /nix/store/c9qxpgrrkx7wv74p3sjn35z0xc25bx0s-nix-store-2.36.0pre20260914_920f6956+1
error: Cannot build '/nix/store/czg5d3argc3im31lxscji7xdi1gf2wdm-nix-grpc-store-0.1.0.drv'.
       Reason: 2 dependencies failed.
       Output paths:
         /nix/store/0zx65sjfmd7a959ryb3hd36wb8nzdaqp-nix-grpc-store-0.1.0
error: Cannot build '/nix/store/ihifnwv2yq8s51id350qdra8cij4hcr1-nix-grpc-store-dispatcher.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/h3511f1gms9q6hncdh5myih8vr33x6ss-nix-grpc-store-dispatcher