CI: cross jobs failing

[yamt]

cross jobs are failing with "Error: retrieving gpg key timed out."

[yamt]

now it's failing with a different error.

/home/runner/work/_temp/30a72d92-52fc-4666-ac97-bcf8b21e9042.sh: line 1: ./toywasm: cannot execute binary file: Exec format error

working https://github.com/yamt/toywasm/actions/runs/9882536762/job/27295644533

  Image Release: https://github.com/actions/runner-images/releases/tag/ubuntu20%2F20240708.1
Setting up qemu-user-static (1:7.2+dfsg-5ubuntu2.4~backport20.04.202401110801~ubuntu20.04.1) ...

not working https://github.com/yamt/toywasm/actions/runs/9909452864/job/27399556711

  Image Release: https://github.com/actions/runner-images/releases/tag/ubuntu20%2F20240708.1
Setting up qemu-user-static (1:8.0.4+dfsg-1ubuntu3.23.10.5~backport20.04.202407120432~ubuntu20.04.1) ...

[yamt]

the qemu package seems working on my local env (focal on docker for mac / x86-64) as far as i invoke it directly on the shell.

5c1c29471734# qemu-arm64-static --version                                     
qemu-aarch64 version 8.0.4 (Debian 1:8.0.4+dfsg-1ubuntu3.23.10.5~backport20.04.202407120432~ubuntu20.04.1)
Copyright (c) 2003-2022 Fabrice Bellard and the QEMU Project developers
5c1c29471734# qemu-arm64-static ./toywasm 
Usage:
        toywasm [OPTIONS] [--] <MODULE> [WASI-ARGS...]
Options:
        --allow-unresolved-functions
        --disable-jump-table
        --disable-localtype-cellidx
        --disable-resulttype-cellidx
        --invoke FUNCTION[ FUNCTION_ARGS...]
        --load MODULE_PATH
        --max-frames NUMBER_OF_FRAMES
        --max-memory MEMORY_LIMIT_IN_BYTES
        --max-stack-cells NUMBER_OF_CELLS
        --repl
        --repl-prompt STRING
        --print-stats
        --timeout TIMEOUT_MS
        --version
        --wasi
        --wasi-dir HOST_DIR[::GUEST_DIR]
        --wasi-env NAME=VAR
Examples:
        Run a wasi module
                toywasm --wasi module
        Load a module and invoke its function
                toywasm --load module --invoke "func arg1 arg2"
5c1c29471734# 

maybe binfmt_misc bits are broken? i'm not sure i can test it on this environment because docker for mac itself has builtin binfmt_misc configuration.

[yamt]

worked around by #238