Migration Resiliency: Try to fix migration non-timeout timeouts

README.adoc

@@ -31,26 +31,25 @@ https://discord.gg/4R6RGFf[Discord].
 
 == Installation
 
-tBTC contracts are currently published in the GitHub Package Registry.
+tBTC contracts are currently published in the NPM Registry as the package
+[`@keep-network/tbtc`](https://www.npmjs.com/package/@keep-network/tbtc).
+Packages have versions corresponding to their network:
 
-1.  Add a file `.npmrc` to the same directory as your project's
-`package.json`.
-2.  Paste the following to configure the GitHub Package Registry for
-tBTC:
-+
-....
-@keep-network:registry=https://npm.pkg.github.com/keep-network
-....
-3.  Install the package:
-+
-[source,sh]
-----
+- `-pre` packages contain prerelease packages for the internal Keep testnet.
+- `-rc` packages contain prerelease packages for the Ropsten Ethereum testnet.
+
+Note that only the latest package in a series is expected to reference
+contracts that have a backing set of signers.
+
+To install the package:
+
+```sh
 $ npm install @keep-network/tbtc
-----
+```
 
 == Usage
 
-*NOTE:* tBTC contracts require _solc_ v0.5.10 or higher. You may have to
+*NOTE:* tBTC contracts require _solc_ v0.5.17 or higher. You may have to
 https://www.trufflesuite.com/docs/truffle/reference/configuration#compiler-configuration[configure
 solc in your `truffle-config.js`].
 
@@ -59,7 +58,7 @@ them:
 
 [source,sol]
 ----
-pragma solidity ^0.5.0;
+pragma solidity ^0.5.17;
 
 import "@keep-network/tbtc/contracts/deposit/Deposit.sol";
 

solidity/scripts/circleci-migrate-contracts.sh

@@ -65,6 +65,10 @@ ssh utilitybox << EOF
   tenderly push --networks $ETH_NETWORK_ID --tag tbtc \
     --tag $GOOGLE_PROJECT_NAME --tag $BUILD_TAG || echo "tendery push failed :("
   echo "<<<<<<FINISH Tenderly Push FINISH<<<<<<"
+
+  # Explicitly exit, in case something a backgrounded job is trying to keep this
+  # process running.
+  exit 0
 EOF
 
 echo "<<<<<<START Contract Copy START<<<<<<"