Bump md5 from 0.8.0 to 0.8.1 - #1486

control: job assigned to worker 01KXENARPA6DVW28SY142NJGGS [factory aws, i-03accb06941f0c5a4] (queued for 44 s)
...
task: starting task 0: "setup"
task: process exited: duration 4120 ms, exit code 0
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task: starting task 1: "rust-toolchain"
task: process exited: duration 18575 ms, exit code 0
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task: starting task 2: "authentication"
task: process exited: duration 15 ms, exit code 0
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task: starting task 3: "clone repository"
task: process exited: duration 3892 ms, exit code 0
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task: starting task 4: "build"
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|      Running `/home/build/.rustup/toolchains/1.89-x86_64-unknown-illumos/bin/rustdoc --edi [...]
| 
| running 0 tests
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| test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0. [...]
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| 
| real        7.436387341
| user        5.557588290
| sys         1.145142884
| trap        0.003710083
| tflt        0.002448686
| dflt        0.001377377
| kflt        0.000002488
| lock       10.281755964
| slp        52.941184206
| lat         0.146282247
| stop        0.522956007
task: process exited: duration 180723 ms, exit code 0
|W| found 0 output files