these 5 derivations will be built:
  /nix/store/lxy4bmpwcxbfb74a427xmrzvxf463blr-source.drv
  /nix/store/0npqc4afiaqi83qqm18in7va442n5hra-jcode-0.90.1-vendor-staging.drv
  /nix/store/80liiznb05lqc38p44mf1y2na2iimh3l-jcode-0.90.1-vendor.drv
  /nix/store/8a53nqswg86qvzl0fcmpydig47pdxx57-jcode-0.90.1.drv
  /nix/store/i9v6vysyxzx8yvkhwjg7a1j16j7r1yf3-check-jcode.drv