Env show crushes on deploy stage

[wrkngu0]

Looks like a bug on 1.5.6

[Container] 2018/10/17 14:49:38 Running command mu -c mu.yml --assume-role arn:aws:iam::948227092321:role/mu-pipeline-new-dddddd-mu-prod-eu-west-1 env show ddddd-dev -f json > env.json panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x28 pc=0x113685c] goroutine 1 [running]: github.com/stelligent/mu/workflows.(*environmentWorkflow).environmentLoader.func1(0xc420669a80, 0x7ff3a05882c0) /go/src/github.com/stelligent/mu/workflows/environment_view.go:111 +0x46c github.com/stelligent/mu/workflows.newPipelineExecutor.func1(0xc420381500, 0x7ffef95a0ea3) /go/src/github.com/stelligent/mu/workflows/executor.go:18 +0x64 github.com/stelligent/mu/cli.newEnvironmentsShowCommand.func1(0xc4208c6500, 0x0, 0xc4208c6500) /go/src/github.com/stelligent/mu/cli/environments.go:116 +0x1a5 github.com/stelligent/mu/vendor/github.com/urfave/cli.HandleAction(0x12b6d60, 0xc4201dff80, 0xc4208c6500, 0xc42028c700, 0x0) /go/src/github.com/stelligent/mu/vendor/github.com/urfave/cli/app.go:485 +0xc8 github.com/stelligent/mu/vendor/github.com/urfave/cli.Command.Run(0x160e907, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1625e76, 0x18, 0x0, ...) /go/src/github.com/stelligent/mu/vendor/github.com/urfave/cli/command.go:193 +0xa35 github.com/stelligent/mu/vendor/github.com/urfave/cli.(*App).RunAsSubcommand(0xc4208fc680, 0xc4200e8b40, 0x0, 0x0) /go/src/github.com/stelligent/mu/vendor/github.com/urfave/cli/app.go:374 +0xa0f github.com/stelligent/mu/vendor/github.com/urfave/cli.Command.startApp(0x1613e91, 0xb, 0x0, 0x0, 0xc4201dfff0, 0x1, 0x1, 0x163325f, 0x21, 0x0, ...) /go/src/github.com/stelligent/mu/vendor/github.com/urfave/cli/command.go:280 +0x806 github.com/stelligent/mu/vendor/github.com/urfave/cli.Command.Run(0x1613e91, 0xb, 0x0, 0x0, 0xc4201dfff0, 0x1, 0x1, 0x163325f, 0x21, 0x0, ...) /go/src/github.com/stelligent/mu/vendor/github.com/urfave/cli/command.go:79 +0x1301 github.com/stelligent/mu/vendor/github.com/urfave/cli.(*App).Run(0xc4200a64e0, 0xc42002e0a0, 0xa, 0xa, 0x0, 0x0) /go/src/github.com/stelligent/mu/vendor/github.com/urfave/cli/app.go:250 +0x700 main.main() /go/src/github.com/stelligent/mu/main.go:14 +0x71

[cplee]

The issue appears to be related to environments that use a VPC target. This issue has been fixed in 1.5.7.