Partial build log
this derivation will be built:
/nix/store/09yv75lpiivmgpqb0m9ldv9ay8i8ym7j-crate-heck-0.4.0.tar.gz.drv
building '/nix/store/wgpl09a6gza45g4pbj5y3vn9saly0han-crate-heck-0.4.0.tar.gz.drv'...
crate-heck> error checking the existence of file:///dev/null/sha256/2540771e65fc8cb83cd6e8a237f70c319bd5c29f78ed1084ba5d50eeac86f7f9:
crate-heck> curl: (37) Couldn't open file /dev/null/sha256/2540771e65fc8cb83cd6e8a237f70c319bd5c29f78ed1084ba5d50eeac86f7f9
crate-heck> trying https://crates.io/api/v1/crates/heck/0.4.0/download
crate-heck> % Total % Received % Xferd Average Speed Time Time Time Current
crate-heck> Dload Upload Total Spent Left Speed
crate-heck> 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
crate-heck> 100 11161 100 11161 0 0 45500 0 --:--:-- --:--:-- --:--:-- 45500