# Detecting depexts using vars: arch=x86_64, os=linux, os-distribution=debian, os-family=debian [ERROR] No solution for aws-ec2.0.1.0: The following dependencies couldn't be met: - aws-ec2 -> aws >= 0.1.0 -> nocrypto -> ctypes < 0.4.0 -> ocaml < 4.03.0 base of this switch (use `--unlock-base' to force) - aws-ec2 -> aws >= 0.1.0 -> nocrypto -> ocaml < 4.06.0 base of this switch (use `--unlock-base' to force) - aws-ec2 -> aws >= 0.1.0 -> nocrypto -> ppx_deriving -> ocaml < 4.10.0 base of this switch (use `--unlock-base' to force) - aws-ec2 -> aws >= 0.1.0 -> nocrypto -> sexplib < 113.01.00 -> ocaml < 4.03.0 base of this switch (use `--unlock-base' to force) - aws-ec2 -> aws >= 0.1.0 -> nocrypto -> type_conv -> ocaml < 4.03.0 base of this switch (use `--unlock-base' to force) - aws-ec2 -> aws >= 0.1.0 -> nocrypto -> type_conv -> camlp4 -> ocaml < 4.09 base of this switch (use `--unlock-base' to force) - aws-ec2 -> aws >= 0.1.0 -> nocrypto -> type_conv -> camlp4 -> ocaml-variants (= 4.02.0+modular-implicits & = 4.02.1+modular-implicits-ber) no matching version Command failed: opam list --readonly --external --resolve=aws-ec2.0.1.0 returned 20 Command 'docker run --rm -i -v opam-health-check-default-dune-cache:/home/opam/.cache/dune opam-health-check-default-4.10.0__trunk bash' failed.