these 2 derivations will be built:
  /nix/store/2scpag724qnripv6dkwkra2yjd8c5062-nix-source-patched-source.drv
  /nix/store/ai5vmmgdjnyj3kg591657c9pxp92h790-equal-contents-trivial-patch-does-not-change-source-contents.drv
building '/nix/store/2scpag724qnripv6dkwkra2yjd8c5062-nix-source-patched-source.drv'
nix-source-patched-source> tribuchet: building on jamie
nix-source-patched-source> Running phase: unpackPhase
nix-source-patched-source> unpacking source archive /nix/store/pyhzj4vksynns9kfgd21zwjs702qjna2-sp16dysrjhz2kihz7iifyhzzllm54lfj-source
nix-source-patched-source> source root is sp16dysrjhz2kihz7iifyhzzllm54lfj-source
nix-source-patched-source> Running phase: patchPhase
nix-source-patched-source> applying patch /nix/store/ij3gw72f4n5z4dz6nnzl1731p9kmjbwr-empty-file
nix-source-patched-source> Running phase: installPhase
building '/nix/store/ai5vmmgdjnyj3kg591657c9pxp92h790-equal-contents-trivial-patch-does-not-change-source-contents.drv'
equal-contents-trivial-patch-does-not-change-source-contents> tribuchet: building on jamie
error: timed out after 1200 seconds