Partial build log
this derivation will be built:
/nix/store/p53nyna5a37skn70xalv54jbgnw6lk3a-crate-syn-1.0.99.tar.gz.drv
building '/nix/store/3hgmjnxba8pdmknxb6x4i8by0n771wmr-crate-syn-1.0.99.tar.gz.drv'...
crate-syn> error checking the existence of file:///dev/null/sha256/58dbef6ec655055e20b86b15a8cc6d439cca19b667537ac6a1369572d151ab13:
crate-syn> curl: (37) Couldn't open file /dev/null/sha256/58dbef6ec655055e20b86b15a8cc6d439cca19b667537ac6a1369572d151ab13
crate-syn> trying https://crates.io/api/v1/crates/syn/1.0.99/download
crate-syn> % Total % Received % Xferd Average Speed Time Time Time Current
crate-syn> Dload Upload Total Spent Left Speed
crate-syn> 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
crate-syn> 100 230k 100 230k 0 0 143k 0 0:00:01 0:00:01 --:--:-- 494k