nixUnstable: add util-linuxMinimal to nativeBuildInputs; skip flakey test

[cole-h]

Fixes an issue in tests where they can fail with ../common.sh: line 92: unshare: command not found.

Motivation for this change

Similar to #114602, but is more in-line with what happens upstream: uses util-linuxMinimal rather than util-linux, and places it in buildInputs rather than nativeBuildInputs.

EDIT: Upstream is trending towards moving it into nativeBuildInputs, and we want to see if this unblocks channels, so I moved it to nativeBuildInputs.

Things done

• Tested using sandboxing (nix.useSandbox on NixOS, or option sandbox in nix.conf on non-NixOS linux)
• Built on platform(s)
  • NixOS
  • macOS
  • other Linux distributions
• Tested via one or more NixOS test(s) if existing and applicable for the change (look inside nixos/tests)
• Tested compilation of all pkgs that depend on this change using nix-shell -p nixpkgs-review --run "nixpkgs-review wip"
• Tested execution of all binary files (usually in ./result/bin/)
• Determined the impact on package closure size (by running nix path-info -S before and after)
• Ensured that relevant documentation is up to date
• Fits CONTRIBUTING.md.

[sternenseemann]

LGTM, builds for me locally.

[r-rmcgibbo]

Result of nixpkgs-review pr 117295 at e9eab75 run on aarch64-linux 1

5 packages built successfully:

• hydra-unstable
• nix-direnv
• nix-update
• nixFlakes (nixUnstable)
• nixpkgs-review

2 suggestions:

• warning: missing-patch-comment

  Please add a comment on the line above, explaining the purpose of this patch.
  Near pkgs/tools/package-management/nix/default.nix:205:16:

      |
  205 |     patches = [(
      |                ^
  

• warning: missing-patch-comment

  Please add a comment on the line above, explaining the purpose of this patch.
  Near pkgs/tools/package-management/nix/default.nix:68:17:

     |
  68 |                 ./aws-sdk-cpp-TransferManager-ContentEncoding.patch
     |                 ^
  

---

Result of nixpkgs-review pr 117295 at e9eab75 run on x86_64-linux 1

5 packages built successfully:

• hydra-unstable
• nix-direnv
• nix-update
• nixFlakes (nixUnstable)
• nixpkgs-review

2 suggestions:

• warning: missing-patch-comment

  Please add a comment on the line above, explaining the purpose of this patch.
  Near pkgs/tools/package-management/nix/default.nix:205:16:

      |
  205 |     patches = [(
      |                ^
  

• warning: missing-patch-comment

  Please add a comment on the line above, explaining the purpose of this patch.
  Near pkgs/tools/package-management/nix/default.nix:68:17:

     |
  68 |                 ./aws-sdk-cpp-TransferManager-ContentEncoding.patch
     |                 ^
  

[cole-h]

Waiting on the outcome of NixOS/nix#4659.

[SuperSandro2000]

This is a semi-automatic executed nixpkgs-review with nixpkgs-review-checks extension. It is checked by a human on a best effort basis and does not build all packages (e.g. lumo, tensorflow or pytorch).
If you have any questions or problems please reach out to SuperSandro2000 on IRC.

Result of nixpkgs-review pr 117295 run on x86_64-linux 1

5 packages built:

• hydra-unstable
• nix-direnv
• nix-update
• nixFlakes (nixUnstable)
• nixpkgs-review

[cole-h]

We want to unblock channels, so I'm going to merge as soon as this is green. If this is actually blocking, then we want this in ASAP to prepare for upcoming security bumps. If it isn't, we'll need to disable the flakey test until upstream can figure out why this is happening.

EDIT: Since we want to unblock, I'm also adding a commit that will skip the flakey test until we know how to fix it (especially since ofborg has now failed with the same issue).