\[ y^{(3)}(x)-\sin (x) y''(x)-2 \cos (x) y'(x)+y(x) \sin (x)-\log (x)=0 \] ✗ Mathematica : cpu = 300.03 (sec), leaf count = 0 , timed out
$Aborted
✓ Maple : cpu = 0.087 (sec), leaf count = 36
\[ \left \{ y \left ( x \right ) = \left ( {\it \_C3}+\int \! \left ( 2\,{\it \_C1}\,x+{\it \_C2}+{\frac {{x}^{2}\ln \left ( x \right ) }{2}}-{\frac {3\,{x}^{2}}{4}} \right ) {{\rm e}^{\cos \left ( x \right ) }}\,{\rm d}x \right ) {{\rm e}^{-\cos \left ( x \right ) }} \right \} \]