aarch64: missing packages binary cache

[poscat0x04]

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# a list of nixpkgs attributes affected by the problem
attribute:
  - nixUnstable
# a list of nixos modules affected by the problem
module:

[FRidh]

We currently lack aarch64-builders on Hydra.

To clarify, there is building happening, just very few. Too few.

[domenkozar]

@grahamc

[vikanezrimaya]

What happened to all the builders we had before?

[r-burns]

We currently lack aarch64-builders on Hydra

Is this why the stdenvBootstrapTools.aarch64-linux jobs are backlogged?

[FRidh]

What happened to all the builders we had before?

It is my understanding we have get the builder depending on availability/pricing.

Is this why the stdenvBootstrapTools.aarch64-linux jobs are backlogged?

Yes. This is now becoming a channel blocker.

[vikanezrimaya]

Oh, maybe we're using spot instances! Makes sense, so I guess the price hiked and all the builders just poof! got deallocated to save money.

[roberth]

These don't technically block the channel, but let's keep the label so it shows up on https://status.nixos.org

[FRidh]

Bootstrap tools block nixpkgs-unstable.

[doronbehar]

Related: #83049

[FRidh]

We have sufficient aarch64 capacity again.