this derivation will be built:
  /nix/store/0r4jka1ybykvif63dqb3hqqgipj59hla-treefmt-535da87.drv
building '/nix/store/0r4jka1ybykvif63dqb3hqqgipj59hla-treefmt-535da87.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=20&system=aarch64-linux'
building '/nix/store/0r4jka1ybykvif63dqb3hqqgipj59hla-treefmt-535da87.drv' on farm.numtide.com:50051
treefmt-535da87> elastic-arm-30402bd3: building 0r4jka1ybykvif63dqb3hqqgipj59hla-treefmt-535da87.drv
treefmt-535da87> Running phase: unpackPhase
treefmt-535da87> unpacking source archive /nix/store/7w0h36dmb2cx09rgpnyc2rcw01268wnd-source
treefmt-535da87> source root is source
treefmt-535da87> Running phase: patchPhase
treefmt-535da87> Running phase: updateAutotoolsGnuConfigScriptsPhase
treefmt-535da87> Running phase: configurePhase
treefmt-535da87> Running phase: buildPhase
treefmt-535da87> Building subPackage .
treefmt-535da87> Building subPackage ./build
treefmt-535da87> Building subPackage ./cmd
treefmt-535da87> Building subPackage ./cmd/format
treefmt-535da87> Building subPackage ./cmd/init
treefmt-535da87> Building subPackage ./config
treefmt-535da87> Building subPackage ./format
treefmt-535da87> Building subPackage ./git
treefmt-535da87> Building subPackage ./jujutsu
treefmt-535da87> Building subPackage ./stats
treefmt-535da87> Building subPackage ./test
treefmt-535da87> Building subPackage ./walk
treefmt-535da87> Building subPackage ./walk/cache
treefmt-535da87> Running phase: checkPhase