[wip][fm] export fm state snapshot thingy - #11024

control: job assigned to worker 01KZCKJ3274W143PC6QBFJNT7K [factory aws, i-02bb53cbdc0f7b5c3] (queued for 58 s)
...
task: starting task 0: "setup"
task: process exited: duration 4104 ms, exit code 0
...
task: starting task 1: "rust-toolchain"
task: process exited: duration 18211 ms, exit code 0
...
task: starting task 2: "authentication"
task: process exited: duration 17 ms, exit code 0
...
task: starting task 3: "clone repository"
task: process exited: duration 18036 ms, exit code 0
...
task: starting task 4: "build"
...
|     |     ^
| error: failed to load source for dependency `omicron-common`
| 
| Caused by:
|   unable to update /work/oxidecomputer/omicron/common
| 
| Caused by:
|   failed to parse manifest at `/work/oxidecomputer/omicron/common/Cargo.toml`
| 
| Caused by:
|   error inheriting `edition` from workspace root manifest's `workspace.package.edition`
| 
| Caused by:
|   failed searching for potential workspace
|   package manifest: `/work/oxidecomputer/omicron/common/Cargo.toml`
|   invalid potential workspace manifest: `/work/oxidecomputer/omicron/Cargo.toml`
| 
|   help: to avoid searching for a non-existent workspace, add `[workspace]` to the package  [...]
task: process exited: duration 117 ms, exit code 101
|W| found 0 output files