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

control: job assigned to worker 01KZCKHZQENFJV7EW0W1201S6W [factory aws, i-02dab83907a5f00a7] (queued for 55 s)
...
task: starting task 0: "setup"
task: process exited: duration 4114 ms, exit code 0
...
task: starting task 1: "rust-toolchain"
task: process exited: duration 17320 ms, exit code 0
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task: starting task 2: "authentication"
task: process exited: duration 23 ms, exit code 0
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task: starting task 3: "clone repository"
task: process exited: duration 11745 ms, exit code 0
...
task: starting task 4: "build"
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|    --> Cargo.toml:107:5
|     |
| 107 |     "nexus/internal-api",
|     |     ^
| 
| real       14.429384914
| user       11.009393194
| sys         1.112882875
| trap        0.001314190
| tflt        0.043614159
| dflt        0.042596137
| kflt        0.013469775
| lock        0.051440006
| slp        16.617700325
| lat         0.049887291
| stop        0.000628440
task: process exited: duration 15437 ms, exit code 101
|W| found 0 output files
|W| upload error: rule "/tmp/nextest-run-archive.zip" required a match, but was not used
|W| upload error: rule "/tmp/nextest-chrome-trace.json" required a match, but was not used