* installing *source* package ‘postlink’ ...
** this is package ‘postlink’ version ‘0.1.1’
** package ‘postlink’ successfully unpacked and MD5 sums checked
** using staged installation
Error in rstan::stanc(file_name, allow_undefined = TRUE, obfuscate_model_name = FALSE,  : 
  0
Syntax error in 'string', line 7, column 26 to column 27, parsing error:
   -------------------------------------------------
     5:    int<lower=1> K;               // Number of predictors
     6:    matrix[N, K] X;               // Predictor matrix
     7:    int<lower=0, upper=1> y[N];   // Binary outcome variable (0 or 1)
                                   ^
     8:    // Prior Hyperparameters (Passed from R)
     9:    // Intercept priors (applied to beta[1] only)
   -------------------------------------------------

Ill-formed declaration. ";" expected after variable declaration.
  It looks like you are trying to use the old array syntax.
  Please use the new syntax:
  array[N] int<lower=0, upper=1> y;
Calls: <Anonymous> -> sapply -> lapply -> FUN -> <Anonymous>
Execution halted
ERROR: configuration failed for package ‘postlink’
* removing ‘/Users/ripley/R/packages/tests-devel/postlink.Rcheck/postlink’