don't know how to build these paths:
  /nix/store/pk61grr1044x867rsq0awjy01g9l09px-clan-pytest-with-core.drv
warning: ignoring the client-specified setting 'store', because it is a restricted setting and you are not a trusted user
building '/nix/store/3pj8h0sq1sg3rhv9m25s994hc6cn0bd4-clan-cli-source.drv' on nix-store.geninf.io:50051
clan-cli-source> build04: building 3pj8h0sq1sg3rhv9m25s994hc6cn0bd4-clan-cli-source.drv
building '/nix/store/vy8y0mw2syhbi9iica3g8h0mjpf70b2d-clan-core-flake.drv' on nix-store.geninf.io:50051
clan-core-flake> build04: building vy8y0mw2syhbi9iica3g8h0mjpf70b2d-clan-core-flake.drv
clan-core-flake> 
building '/nix/store/pk61grr1044x867rsq0awjy01g9l09px-clan-pytest-with-core.drv' on nix-store.geninf.io:50051
clan-pytest-with-core> build04: building pk61grr1044x867rsq0awjy01g9l09px-clan-pytest-with-core.drv
clan-pytest-with-core> +++ export HOME=/nix/var/nix/builds/nix-61886-2319916100
clan-pytest-with-core> +++ HOME=/nix/var/nix/builds/nix-61886-2319916100
clan-pytest-with-core> +++ export NIX_STATE_DIR=/nix/var/nix/builds/nix-61886-2319916100/nix
clan-pytest-with-core> +++ NIX_STATE_DIR=/nix/var/nix/builds/nix-61886-2319916100/nix
clan-pytest-with-core> +++ export NIX_CONF_DIR=/nix/var/nix/builds/nix-61886-2319916100/etc
clan-pytest-with-core> +++ NIX_CONF_DIR=/nix/var/nix/builds/nix-61886-2319916100/etc
clan-pytest-with-core> +++ mkdir -p /nix/var/nix/builds/nix-61886-2319916100/etc
clan-pytest-with-core> +++ echo 'fsync-metadata = false'
clan-pytest-with-core> +++ export IN_NIX_SANDBOX=1
clan-pytest-with-core> +++ IN_NIX_SANDBOX=1
clan-pytest-with-core> +++ export CLAN_TEST_STORE=/nix/var/nix/builds/nix-61886-2319916100/store
clan-pytest-with-core> +++ CLAN_TEST_STORE=/nix/var/nix/builds/nix-61886-2319916100/store
clan-pytest-with-core> +++ export LOCK_NIX=/nix/var/nix/builds/nix-61886-2319916100/nix_lock
clan-pytest-with-core> +++ LOCK_NIX=/nix/var/nix/builds/nix-61886-2319916100/nix_lock
clan-pytest-with-core> +++ export CLAN_TEST_FLAKE_CACHE=/nix/var/nix/builds/nix-61886-2319916100/clan-flake-cache
clan-pytest-with-core> +++ CLAN_TEST_FLAKE_CACHE=/nix/var/nix/builds/nix-61886-2319916100/clan-flake-cache
clan-pytest-with-core> +++ mkdir -p /nix/var/nix/builds/nix-61886-2319916100/store/nix/store /nix/var/nix/builds/nix-61886-2319916100/clan-flake-cache
clan-pytest-with-core> +++ mkdir -p /nix/var/nix/builds/nix-61886-2319916100/store/nix/var/nix/gcroots
clan-pytest-with-core> +++ [[ -n /nix/store/41fy08sx3k33l6g17zda8miqnylqbf0r-closure-info ]]
clan-pytest-with-core> ++++ nproc
clan-pytest-with-core> +++ /nix/store/14nzy6b98s1xi2q4w6anj9civfdp1jcq-findutils-4.11.0/bin/xargs -r -P10 /nix/store/913158w9ykwyzyhs2rgzr8rd45244qs6-coreutils-9.12/bin/cp --recursive --no-dereference --reflink=auto --target-directory /nix/var/nix/builds/nix-61886-2319916100/store/nix/store
error: timed out after 1200 seconds