this derivation will be built:
  /nix/store/phaps3cyzshhbavp0w4xrfkh2kcj8mb4-filetransfer-retry-backoff.drv
building '/nix/store/phaps3cyzshhbavp0w4xrfkh2kcj8mb4-filetransfer-retry-backoff.drv'
filetransfer-retry-backoff> tribuchet: building on jamie
filetransfer-retry-backoff> Flaky server on port 36327

post-build step Upload coverage to codecov: ok
Skipping codecov: project=Mic92/nix-1 attr=checks.x86_64-linux.filetransfer-retry-backoff