gistfile1.txt

 nix-build -A hhp.ghc865.shell
trace: Using index-state: 2020-10-26T00:00:00Z
trace: To make this a fixed-output derivation but not materialized, set `plan-sha256` to the output of /nix/store/mvzg21xz426b7pbdj7rsdy4y5q1h40vn-calculateSha
trace: To materialize the output entirely, pass a writable path as the `materialized` argument and pass that path to /nix/store/80mjkc1hazni77w8182i6czvjn7g3cb7-generateMaterialized
trace: Shell for hhp
trace: Shell for hhp
trace: Using index-state: 2020-05-31T00:00:00Z for hoogle
trace: To make this a fixed-output derivation but not materialized, set `plan-sha256` to the output of /nix/store/zq09fyibmw5k50kmynh3x7kf3zd0m859-calculateSha
trace: To materialize the output entirely, pass a writable path as the `materialized` argument and pass that path to /nix/store/6iszkmr5fv11jrbyfmnkva97b1mgvyif-generateMaterialized
trace: Using latest index state for cabal-install!
trace: Using index-state: 2020-10-26T00:00:00Z for cabal-install
trace: Using latest index state for cabal-edit!
trace: Using index-state: 2020-10-26T00:00:00Z for cabal-edit
trace: Using index-state: 2020-10-26T00:00:00Z for cabal-fmt
trace: To make this a fixed-output derivation but not materialized, set `plan-sha256` to the output of /nix/store/8s0j9pxkp53xy3qjgxq7smkb571kk4d7-calculateSha
trace: To materialize the output entirely, pass a writable path as the `materialized` argument and pass that path to /nix/store/0q82yv0v0jvfmpkaky0y9a2rrwysgn06-generateMaterialized
trace: WARNING: license "GPL-3.0-or-later AND BSD-3-Clause" not found
trace: WARNING: license "GPL-3.0-or-later AND BSD-3-Clause" not found
trace: Using latest index state for hlint!
trace: Using index-state: 2020-10-26T00:00:00Z for hlint
trace: Using latest index state for ormolu!
trace: Using index-state: 2020-10-26T00:00:00Z for ormolu
trace: To make this a fixed-output derivation but not materialized, set `stack-sha256` to the output of /nix/store/3dagb2zd4dgxjna2v9h1sdqhz901vprb-calculateSha
trace: To materialize the output entirely, pass a writable path as the `materialized` argument and pass that path to /nix/store/crx8cqvnn81fiyl4dxlrrq2ghwn234dh-generateMaterialized
trace: Cleaning component source not supported for hpack package: purescript-0.13.8
trace: Cleaning component source not supported for hpack package: purescript-0.13.8
trace: Using latest index state for ghcid!
trace: Using index-state: 2020-10-26T00:00:00Z for ghcid
trace: To make this a fixed-output derivation but not materialized, set `stack-sha256` to the output of /nix/store/jmk7jz4hpp66wjqzf0cd102iqxlpr3bb-calculateSha
trace: To materialize the output entirely, pass a writable path as the `materialized` argument and pass that path to /nix/store/p74406bmck6hhfdwjvrp6v8a3nyrxwz0-generateMaterialized
trace: To make this a fixed-output derivation but not materialized, set `stack-sha256` to the output of /nix/store/jmk7jz4hpp66wjqzf0cd102iqxlpr3bb-calculateSha
trace: To materialize the output entirely, pass a writable path as the `materialized` argument and pass that path to /nix/store/p74406bmck6hhfdwjvrp6v8a3nyrxwz0-generateMaterialized
/nix/store/m2fr7xnbqxvk0hxg5mf7pkfl67pxcq1g-ghc-shell-for-hhp