don't know how to build these paths:
  /nix/store/mf0b974dpv1nyn6y3cwbwbqxvijdnbkw-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/7n2xkcprwldwywllgdxgaa2hzp49hcs2-closure-info.drv' on nix-store.geninf.io:50051
closure-info> build04: building 7n2xkcprwldwywllgdxgaa2hzp49hcs2-closure-info.drv
closure-info> structuredAttrs is enabled
building '/nix/store/7sivwxm1wzj21srp1r7xqsakakm3nafc-clan-cli-source.drv' on nix-store.geninf.io:50051
clan-cli-source> build04: building 7sivwxm1wzj21srp1r7xqsakakm3nafc-clan-cli-source.drv
building '/nix/store/sqwvp236c43fz12dil2yrygwn2mwk60r-clan-core-flake.drv' on nix-store.geninf.io:50051
clan-core-flake> build04: building sqwvp236c43fz12dil2yrygwn2mwk60r-clan-core-flake.drv
clan-core-flake> 
building '/nix/store/bgy9ncb29wbpnx4474i1qbs1gwdc7ysv-closure-info.drv' on nix-store.geninf.io:50051
closure-info> build04: building bgy9ncb29wbpnx4474i1qbs1gwdc7ysv-closure-info.drv
closure-info> structuredAttrs is enabled
building '/nix/store/mf0b974dpv1nyn6y3cwbwbqxvijdnbkw-clan-pytest-with-core.drv' on nix-store.geninf.io:50051
clan-pytest-with-core> build04: building mf0b974dpv1nyn6y3cwbwbqxvijdnbkw-clan-pytest-with-core.drv
clan-pytest-with-core> +++ export HOME=/nix/var/nix/builds/nix-60615-2646105440
clan-pytest-with-core> +++ HOME=/nix/var/nix/builds/nix-60615-2646105440
clan-pytest-with-core> +++ export NIX_STATE_DIR=/nix/var/nix/builds/nix-60615-2646105440/nix
clan-pytest-with-core> +++ NIX_STATE_DIR=/nix/var/nix/builds/nix-60615-2646105440/nix
clan-pytest-with-core> +++ export NIX_CONF_DIR=/nix/var/nix/builds/nix-60615-2646105440/etc
clan-pytest-with-core> +++ NIX_CONF_DIR=/nix/var/nix/builds/nix-60615-2646105440/etc
clan-pytest-with-core> +++ mkdir -p /nix/var/nix/builds/nix-60615-2646105440/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-60615-2646105440/store
clan-pytest-with-core> +++ CLAN_TEST_STORE=/nix/var/nix/builds/nix-60615-2646105440/store
clan-pytest-with-core> +++ export LOCK_NIX=/nix/var/nix/builds/nix-60615-2646105440/nix_lock
clan-pytest-with-core> +++ LOCK_NIX=/nix/var/nix/builds/nix-60615-2646105440/nix_lock
clan-pytest-with-core> +++ export CLAN_TEST_FLAKE_CACHE=/nix/var/nix/builds/nix-60615-2646105440/clan-flake-cache
clan-pytest-with-core> +++ CLAN_TEST_FLAKE_CACHE=/nix/var/nix/builds/nix-60615-2646105440/clan-flake-cache
clan-pytest-with-core> +++ mkdir -p /nix/var/nix/builds/nix-60615-2646105440/store/nix/store /nix/var/nix/builds/nix-60615-2646105440/clan-flake-cache
clan-pytest-with-core> +++ mkdir -p /nix/var/nix/builds/nix-60615-2646105440/store/nix/var/nix/gcroots
clan-pytest-with-core> +++ [[ -n /nix/store/7bqxf86i06l43by363bkgfv3gvrmkpa7-closure-info ]]
clan-pytest-with-core> ++++ nproc
clan-pytest-with-core> +++ /nix/store/rp24rai9i94b9lzzfnafh83fhy336vr7-findutils-4.11.0/bin/xargs -r -P10 /nix/store/82fb09q2gbhbhpc8ykkqwkcdj6h9c7f1-coreutils-9.11/bin/cp --recursive --no-dereference --reflink=auto --target-directory /nix/var/nix/builds/nix-60615-2646105440/store/nix/store