these 4 derivations will be built:
  /nix/store/k92ywh6bhz4jlqiqvvvald0vwx1rv39l-fff-c-0.10.3.drv
  /nix/store/xisbz40ym6c1zwvmjhmsjd9g2fk0car7-autolith-image-validation-2.6.9.drv
  /nix/store/8r90yc9pkccxhimsrjx8hksxkp6wgij9-autolith-0.41.2.drv
  /nix/store/dlkqwnx0rh3k71gmrfv2wbjqghg49gkq-check-autolith.drv
error: build of '/nix/store/k92ywh6bhz4jlqiqvvvald0vwx1rv39l-fff-c-0.10.3.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&restart-grace=900&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token' failed: Cannot build '/nix/store/k92ywh6bhz4jlqiqvvvald0vwx1rv39l-fff-c-0.10.3.drv'.
       Reason: builder failed with exit code 101.
       Output paths:
         /nix/store/75433724wm3dbm35ksyfr5mwg5m9wjba-fff-c-0.10.3
       Last 25 log lines:
       >   cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR
       >   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_aarch64-unknown-linux-gnu
       >   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_aarch64_unknown_linux_gnu
       >   cargo:rerun-if-env-changed=HOST_PKG_CONFIG_SYSROOT_DIR
       >   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR
       >   cargo:warning=failed to probe system libgit2:
       >   pkg-config exited with status code 1
       >   > PKG_CONFIG_PATH=/nix/store/94k13imisw8cw96nhwnbxf7gcnl4nl9c-zlib-1.3.2-dev/share/pkgconfig PKG_CONFIG_ALLOW_SYSTEM_LIBS=1 PKG_CONFIG_ALLOW_SYSTEM_CFLAGS=1 pkg-config --libs --cflags libgit2 'libgit2 >= 1.9.6' 'libgit2 < 1.10.0'
       >
       >   The system library `libgit2` required by crate `libgit2-sys` was not found.
       >   The file `libgit2.pc` needs to be installed and the PKG_CONFIG_PATH environment variable must contain its parent directory.
       >   PKG_CONFIG_PATH contains the following:
       >       - /nix/store/94k13imisw8cw96nhwnbxf7gcnl4nl9c-zlib-1.3.2-dev/share/pkgconfig
       >
       >   HINT: you may need to install a package such as libgit2, libgit2-dev or libgit2-devel.
       >
       >
       >   --- stderr
       >
       >   thread 'main' (939) panicked at /build/fff-c-0.10.3-vendor/source-registry-0/libgit2-sys-0.18.7+1.9.6/build.rs:100:13:
       >   The environment variable `LIBGIT2_NO_VENDOR` has been set but no compatible system libgit2 could be found.
       >   The build is now aborting. To disable, unset the variable or use `LIBGIT2_NO_VENDOR=0`.
       >
       >   note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
       > warning: build failed, waiting for other jobs to finish...
       For full logs, run:
         nix log /nix/store/k92ywh6bhz4jlqiqvvvald0vwx1rv39l-fff-c-0.10.3.drv
error: Cannot build '/nix/store/k92ywh6bhz4jlqiqvvvald0vwx1rv39l-fff-c-0.10.3.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/75433724wm3dbm35ksyfr5mwg5m9wjba-fff-c-0.10.3
error: Cannot build '/nix/store/xisbz40ym6c1zwvmjhmsjd9g2fk0car7-autolith-image-validation-2.6.9.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/dpqrsy8xp31x7n2jpmzbn787637wyvk0-autolith-image-validation-2.6.9
error: Cannot build '/nix/store/8r90yc9pkccxhimsrjx8hksxkp6wgij9-autolith-0.41.2.drv'.
       Reason: 2 dependencies failed.
       Output paths:
         /nix/store/xhkjlldjcdxpvnz1gww7q24y8ixr882v-autolith-0.41.2
error: Cannot build '/nix/store/dlkqwnx0rh3k71gmrfv2wbjqghg49gkq-check-autolith.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/wx5574gcy4iakc25m1f4bd696p0ap5bb-check-autolith