Can't use receive-job withing jobs

appveyor.yml

@@ -53,7 +53,9 @@ clone_script:
         Write-Host "[ OK ]" -ForegroundColor Green 
     }
     
-    $env:WSLInstalljob = Start-Job -Name WSLInstall -ScriptBlock { 
+    $env:wsl_install_running = true
+    
+    $WSLjob = Start-Job -Name WSLInstall -ScriptBlock { 
         Function WSLExec($Text, $Cmd) {
             Write-Host "$Text" 
             wsl -- bash -c $Cmd
@@ -68,6 +70,7 @@ clone_script:
         WSLExec "WSL install..." "sudo apt-get -y install --reinstall --no-install-recommends git ca-certificates build-essential pkg-config libreadline-dev gcc-arm-none-eabi libnewlib-dev libbz2-dev qtbase5-dev cmake 1>/dev/null" 
         WSLExec "WSL QT fix..." "sudo strip --remove-section=.note.ABI-tag /usr/lib/x86_64-linux-gnu/libQt5Core.so.5"
         Add-AppveyorMessage -Message "WSL setup took $(([System.Environment]::TickCount-$WSLInstallTime) / 1000) sec" -Category Information
+        $env:wsl_install_running = false
     }
     
     $env:PSInstallTime=[System.Environment]::TickCount
@@ -154,7 +157,7 @@ install:
             }
             
             Start-Sleep -s 5
-            Receive-Job -Job $env:WSLInstalljob -ErrorAction SilentlyContinue
+            Receive-Job -Name WSLInstall -ErrorAction SilentlyContinue
         }
         #Receive-Job -Wait -Name PSInstall
     }
@@ -235,7 +238,13 @@ build_script:
         }
         
         #WSL: wait for installation to finish
-        Receive-Job -Job $env:WSLInstalljob -ErrorAction SilentlyContinue
+        if($env:wsl_install_running){
+            Write-Host "Waiting for WSL installation to finish..."
+            while($env:wsl_install_running) {
+                Start-Sleep -s 1
+            }
+            Write-Host "$Name [ OK ]" -ForegroundColor Green
+        }
     
         #Windows Subsystem for Linux (WSL)
         Write-Host "---------- WSL make ----------" -ForegroundColor Yellow   
@@ -321,6 +330,8 @@ build_script:
     
     ExecCheck "PS cmake Tests"
     
+    Receive-Job -Wait -Name WSLInstall -ErrorAction SilentlyContinue
+    
     Receive-Job -Wait -Job $WSLjob