Eclipse stops running - eclipse

Question

Whenever I try to use decrement in wrong way Eclipse stops working. Seems it started to happen after I installed Lombok. The code is shown below:
public class Patterns {
public static void main(String[] args) {
pattern31(5);
}
static void pattern31(int n) {
n = 5;
for (int row = 1 ; row <= n; row++) {
int columns = row>n ? 2*n-row:row;
int space=n-columns;
int p='A';
for(int s=0; s<=space; s++) {
System.out.print(" ");
}
for(int col=1; col<columns; col++) {
System.out.print((char) p++ +" ");
}
for(int col=2; col<=columns; col--) {
System.out.print((char) p++ +" ");
}
System.out.println();
}
}
}
I also have this message in the log:
!MESSAGE Warning: The environment variable HOME is not set. The following directory will be used to store the Git
user global configuration and to define the default location to store repositories: 'C:\Users\User'. If this is
not correct please set the HOME environment variable and restart Eclipse. Otherwise Git for Windows and
EGit might behave differently since they see different configuration options.
This warning can be switched off on the Team > Git > Confirmations and Warnings preference page.