these 4 derivations will be built:
  /nix/store/6zyb94pal8xm15znpbxrp869ba566nnd-buildbot-4.3.0.drv
  /nix/store/hnyw6f90sqaw6clgzbdblns7vvgzx2am-treefmt.toml.drv
  /nix/store/wil6vxqr11lwhhapcfzr7li9s8q72gqq-treefmt.drv
  /nix/store/n4h6pm9pfw25pnc16440jw84r72sl28j-treefmt-check.drv
these 5 paths will be fetched (223.3 KiB download, 1.0 MiB unpacked):
  /nix/store/f1qznkxk5x30kx0v3lcd1q0c1rmcsd5z-python3.14-buildbot_worker-4.3.0
  /nix/store/mic8bcwbf9428yqbcb4px8kmd6f9bhwx-python3.14-setuptools-trial-0.6.0
  /nix/store/jsyvjpwm9wr2gq6m0fjr555d74z2rhvn-python3.14-txrequests-0.9.6
  /nix/store/3x0fl30g4i8hkmjvbjjkb11nl6mamms9-python3.14-types-requests-2.32.4.20260107
  /nix/store/vkpzcc5pswrf38ivjw8i6plgym0q6n6c-python3.14-types-urllib3-1.26.25.14
building '/nix/store/6zyb94pal8xm15znpbxrp869ba566nnd-buildbot-4.3.0.drv'
buildbot-4.3.0> tribuchet: building on jamie
building '/nix/store/hnyw6f90sqaw6clgzbdblns7vvgzx2am-treefmt.toml.drv'
treefmt.toml> tribuchet: building on jamie
building '/nix/store/wil6vxqr11lwhhapcfzr7li9s8q72gqq-treefmt.drv'
treefmt> tribuchet: building on jamie
building '/nix/store/n4h6pm9pfw25pnc16440jw84r72sl28j-treefmt-check.drv'
treefmt-check> tribuchet: building on jamie
error: Cannot build '/nix/store/n4h6pm9pfw25pnc16440jw84r72sl28j-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/xvmciz89yn5813rnqwb3gacq4q142h2i-treefmt-check
       Last 1 log lines:
       > tribuchet: building on jamie
       For full logs, run:
         nix log /nix/store/n4h6pm9pfw25pnc16440jw84r72sl28j-treefmt-check.drv