these 2 derivations will be built:
  /nix/store/rx6yfyibamp61xabkd6lw5byqhvpnskf-config.toml.drv
  /nix/store/rqkpzbl42yjm55hadp527qf8pj5p0pr4-nix-shell.drv
these 4 paths will be fetched (18.6 MiB download, 59.6 MiB unpacked):
  /nix/store/ynzr082vq48l80nyiwjr7km4zbk2hy44-cargo-llvm-cov-0.9.0
  /nix/store/f3hnq1jnyd5zv2v619c4hqqiv9dhi9h0-cargo-nextest-0.9.143
  /nix/store/22jkkgq5hrwd9xip8x6wrmy4qahlnksn-lld-21.1.8
  /nix/store/vwfhyd5x3z8k9rjsrb93pgqx835b1m1g-llvm-binutils-21.1.8