Update Rust crate camino to 1.2.6 - #916

control: job assigned to worker 01M4YSZ470GGF56XDKNQ9C5VJZ [factory aws, i-0f5c85b322251ba46] (queued for 1 m 24 s)
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task: starting task 0: "setup"
task: process exited: duration 4116 ms, exit code 0
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task: starting task 1: "rust-toolchain"
task: process exited: duration 15989 ms, exit code 0
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task: starting task 2: "authentication"
task: process exited: duration 16 ms, exit code 0
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task: starting task 3: "clone repository"
task: process exited: duration 4614 ms, exit code 0
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task: starting task 4: "build"
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| test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 2 filtered out; finished in 67 [...]
| 
| + cleanup
| ++ id -un
| ++ id -gn
| + pfexec chown -R build:build .
task: process exited: duration 531768 ms, exit code 0
|W| found 6 output files
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|W| uploaded: /work/s1.quartet.log
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|W| uploading: /work/sidecar.quartet-softnpu.log (809 bytes)
|W| uploaded: /work/sidecar.quartet-softnpu.log
|W| uploading: /work/t1.quartet-dpd.log (296823 bytes)
|W| uploaded: /work/t1.quartet-dpd.log
|W| uploading: /work/t1.quartet.log (21139 bytes)
|W| uploaded: /work/t1.quartet.log