trace: ["rust","rust-src","rust-docs"]
trace: {"available":true,"hash":"460dcbe5692a6b33ec7f103e30ba6577d2b458c8d5de257cbf2adcadac7ac63f","url":"https://static.rust-lang.org/dist/2017-03-11/rust-docs-1.16.0-x86_64-unknown-linux-gnu.tar.gz"}
trace: ["rust","rust-src","rust-docs"]
trace: {"available":true,"hash":"065fd20bf3a72d2780c9b8e451fb0aae4f480f907f409f23bb77fea9619a7e1c","url":"https://static.rust-lang.org/dist/2017-03-11/rust-src-1.16.0.tar.gz"}
error: while evaluating the attribute ‘nativeBuildInputs’ of the derivation ‘superscale’ at /home/bastian/projects/nixos/nixpkgs-mozilla/tmp/default.nix:4:3:
while evaluating the attribute ‘srcs’ of the derivation ‘rust-1.16.0-2017-03-10-30cf806ef’ at /home/bastian/projects/nixos/nixpkgs-mozilla/rust-overlay.nix:85:11:
cannot coerce a function to a string, at /home/bastian/projects/nixos/nixpkgs-mozilla/rust-overlay.nix:85:11