these 4 derivations will be built:
  /nix/store/cnza8q71gb67msf29z4kcqn46gq9h2m2-entrypoints.json.drv
  /nix/store/h6jjvjp2637djhjvq8v66yzsimffmj1q-river-emulator-0.1.0-git+8ea2942-package-config.json.drv
  /nix/store/zjwxlpyh9vz8fhp6sd5sh04jzhnc725l-river-emulator-0.1.0-git+8ea2942-package-config-with-root.json.drv
  /nix/store/j9amzz8v80q74gb1a34v34mq3gxicgnn-river-emulator-0.1.0-git+8ea2942.drv
this path will be fetched (131.44 MiB download, 560.66 MiB unpacked):
  /nix/store/dlf84gpgp8qlqx9nc4nzy70sbigas84d-dart-3.10.4
river-emulator-0.1.0-git+8ea2942-package-config.json> structuredAttrs is enabled
river-emulator-0.1.0-git+8ea2942-package-config-with-root.json> Running phase: unpackPhase
river-emulator-0.1.0-git+8ea2942-package-config-with-root.json> unpacking source archive /nix/store/806x9az0dpjl6q461c57g2zbwv8y7jhz-8v3nkc2lqpvm7jzwcavgfr3q5b5rn04r-source
river-emulator-0.1.0-git+8ea2942-package-config-with-root.json> source root is 8v3nkc2lqpvm7jzwcavgfr3q5b5rn04r-source
river-emulator-0.1.0-git+8ea2942-package-config-with-root.json> Running phase: patchPhase
river-emulator-0.1.0-git+8ea2942-package-config-with-root.json> Running phase: updateAutotoolsGnuConfigScriptsPhase
river-emulator-0.1.0-git+8ea2942-package-config-with-root.json> Running phase: configurePhase
river-emulator-0.1.0-git+8ea2942-package-config-with-root.json> no configure script, doing nothing
river-emulator-0.1.0-git+8ea2942-package-config-with-root.json> Running phase: installPhase
river-emulator-0.1.0-git+8ea2942-package-config-with-root.json> Running phase: fixupPhase
river-emulator-0.1.0-git+8ea2942-package-config-with-root.json> shrinking RPATHs of ELF executables and libraries in /nix/store/mc2102p6igsviri31mg7qnniajlzvkmb-river-emulator-0.1.0-git+8ea2942-package-config-with-root.json
river-emulator-0.1.0-git+8ea2942-package-config-with-root.json> checking for references to /build/ in /nix/store/mc2102p6igsviri31mg7qnniajlzvkmb-river-emulator-0.1.0-git+8ea2942-package-config-with-root.json...
river-emulator-0.1.0-git+8ea2942-package-config-with-root.json> patching script interpreter paths in /nix/store/mc2102p6igsviri31mg7qnniajlzvkmb-river-emulator-0.1.0-git+8ea2942-package-config-with-root.json
river-emulator-0.1.0-git+8ea2942> Running phase: unpackPhase
river-emulator-0.1.0-git+8ea2942> unpacking source archive /nix/store/806x9az0dpjl6q461c57g2zbwv8y7jhz-8v3nkc2lqpvm7jzwcavgfr3q5b5rn04r-source
river-emulator-0.1.0-git+8ea2942> source root is 8v3nkc2lqpvm7jzwcavgfr3q5b5rn04r-source
river-emulator-0.1.0-git+8ea2942> Running phase: patchPhase
river-emulator-0.1.0-git+8ea2942> Running phase: updateAutotoolsGnuConfigScriptsPhase
river-emulator-0.1.0-git+8ea2942> Running phase: configurePhase
river-emulator-0.1.0-git+8ea2942> no configure script, doing nothing
river-emulator-0.1.0-git+8ea2942> Executing dartConfigHook
river-emulator-0.1.0-git+8ea2942> Setting up SDK
river-emulator-0.1.0-git+8ea2942> Installing dependencies
river-emulator-0.1.0-git+8ea2942> Finished dartConfigHook
river-emulator-0.1.0-git+8ea2942> Running phase: buildPhase
river-emulator-0.1.0-git+8ea2942> Executing dartBuildHook
river-emulator-0.1.0-git+8ea2942> Generated: /build/8v3nkc2lqpvm7jzwcavgfr3q5b5rn04r-source/bin/river-emulator
river-emulator-0.1.0-git+8ea2942> Finished dartBuildHook
river-emulator-0.1.0-git+8ea2942> Running phase: installPhase
river-emulator-0.1.0-git+8ea2942> Executing dartInstallHook
river-emulator-0.1.0-git+8ea2942> Executing dartInstallCacheHook
river-emulator-0.1.0-git+8ea2942> Finished dartInstallCacheHook
river-emulator-0.1.0-git+8ea2942> Finished dartInstallHook
river-emulator-0.1.0-git+8ea2942> Running phase: fixupPhase
river-emulator-0.1.0-git+8ea2942> shrinking RPATHs of ELF executables and libraries in /nix/store/siiyb4n5271fpkq4f2nlbfjbpr7gfcwa-river-emulator-0.1.0-git+8ea2942
river-emulator-0.1.0-git+8ea2942> shrinking /nix/store/siiyb4n5271fpkq4f2nlbfjbpr7gfcwa-river-emulator-0.1.0-git+8ea2942/bin/river-emulator
river-emulator-0.1.0-git+8ea2942> checking for references to /build/ in /nix/store/siiyb4n5271fpkq4f2nlbfjbpr7gfcwa-river-emulator-0.1.0-git+8ea2942...
river-emulator-0.1.0-git+8ea2942> patching script interpreter paths in /nix/store/siiyb4n5271fpkq4f2nlbfjbpr7gfcwa-river-emulator-0.1.0-git+8ea2942
river-emulator-0.1.0-git+8ea2942> shrinking RPATHs of ELF executables and libraries in /nix/store/lhfrvyw39xwch4imh5s7bhnb65xq2fdh-river-emulator-0.1.0-git+8ea2942-pubcache
river-emulator-0.1.0-git+8ea2942> checking for references to /build/ in /nix/store/lhfrvyw39xwch4imh5s7bhnb65xq2fdh-river-emulator-0.1.0-git+8ea2942-pubcache...
river-emulator-0.1.0-git+8ea2942> patching script interpreter paths in /nix/store/lhfrvyw39xwch4imh5s7bhnb65xq2fdh-river-emulator-0.1.0-git+8ea2942-pubcache
river-emulator-0.1.0-git+8ea2942> Executing dartFixupHook
river-emulator-0.1.0-git+8ea2942> Finished dartFixupHook