Toplevel input, character 0:
> From Coq Require Import ZArith ssrfun ssreflect.
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Warning: "From Coq" has been replaced by "From Stdlib".
[deprecated-from-Coq,deprecated-since-9.0,deprecated,default]
HB: solutions (use 'HB.about F.Build' to see the arguments of each factory F):
    - Ring_of_TYPE
    - AddAG_of_TYPE; BiNearRing_of_AddMonoid
    - AddAG_of_TYPE; Ring_of_AddAG
    - AddAG_of_TYPE; SemiRing_of_AddComoid
    - AddComoid_of_TYPE; Ring_of_AddComoid
    - AddComoid_of_TYPE; AddAG_of_AddComoid; BiNearRing_of_AddMonoid
    - AddComoid_of_TYPE; AddAG_of_AddComoid; Ring_of_AddAG
    - AddComoid_of_TYPE; AddAG_of_AddComoid; SemiRing_of_AddComoid
    - AddMonoid_of_TYPE; AddComoid_of_AddMonoid; Ring_of_AddComoid
For a guide on declaring MathComp instances please refer to the following link: https://github.com/math-comp/math-comp/wiki/How-to-declare-MathComp-instances
HB: solutions (use 'HB.about F.Build' to see the arguments of each factory F):
    - Ring_of_TYPE
    - AddAG_of_TYPE; BiNearRing_of_AddMonoid
    - AddAG_of_TYPE; Ring_of_AddAG
    - AddAG_of_TYPE; SemiRing_of_AddComoid
    - AddComoid_of_TYPE; Ring_of_AddComoid
For a guide on declaring MathComp instances please refer to the following link: https://github.com/math-comp/math-comp/wiki/How-to-declare-MathComp-instances
HB: solutions (use 'HB.about F.Build' to see the arguments of each factory F):
    - Ring_of_TYPE
    - AddAG_of_TYPE; BiNearRing_of_AddMonoid
    - AddAG_of_TYPE; Ring_of_AddAG
    - AddAG_of_TYPE; SemiRing_of_AddComoid
    - AddComoid_of_TYPE; Ring_of_AddComoid
    - AddComoid_of_TYPE; AddAG_of_AddComoid; BiNearRing_of_AddMonoid
    - AddComoid_of_TYPE; AddAG_of_AddComoid; Ring_of_AddAG
    - AddComoid_of_TYPE; AddAG_of_AddComoid; SemiRing_of_AddComoid
    - AddMonoid_of_TYPE; AddComoid_of_AddMonoid; Ring_of_AddComoid
For a guide on declaring MathComp instances please refer to the following link: https://github.com/math-comp/math-comp/wiki/How-to-declare-MathComp-instances
HB: solutions (use 'HB.about F.Build' to see the arguments of each factory F):
    - Ring_of_TYPE
    - AddAG_of_TYPE; BiNearRing_of_AddMonoid
    - AddAG_of_TYPE; Ring_of_AddAG
    - AddAG_of_TYPE; SemiRing_of_AddComoid
    - AddComoid_of_TYPE; Ring_of_AddComoid
For a guide on declaring MathComp instances please refer to the following link: https://github.com/math-comp/math-comp/wiki/How-to-declare-MathComp-instances
The command has indeed failed with message:
HB: no solution found, try to increase search depth.
HB: solutions (use 'HB.about F.Build' to see the arguments of each factory F):
    - Ring_of_AddComoid
    - AddAG_of_AddComoid; BiNearRing_of_AddMonoid
    - AddAG_of_AddComoid; Ring_of_AddAG
    - AddAG_of_AddComoid; SemiRing_of_AddComoid
For a guide on declaring MathComp instances please refer to the following link: https://github.com/math-comp/math-comp/wiki/How-to-declare-MathComp-instances
HB: solutions (use 'HB.about F.Build' to see the arguments of each factory F):
    - BiNearRing_of_AddMonoid
    - Ring_of_AddAG
    - SemiRing_of_AddComoid
For a guide on declaring MathComp instances please refer to the following link: https://github.com/math-comp/math-comp/wiki/How-to-declare-MathComp-instances
HB: solutions (use 'HB.about F.Build' to see the arguments of each factory F):
    - BiNearRing_of_AddMonoid
    - Ring_of_AddAG
    - SemiRing_of_AddComoid
For a guide on declaring MathComp instances please refer to the following link: https://github.com/math-comp/math-comp/wiki/How-to-declare-MathComp-instances
HB: nothing to do.
