(for PR #29228)

2026-01-16 20:32.21: New job: Lint
2026-01-16 20:32.21: Checking out commit a35dbc8a. To reproduce:
                       git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29228/head" && git reset --hard a35dbc8a
2026-01-16 20:32.21: Exec: "cp" "-a" "--" "/var/lib/ocurrent/var/git/opam-repository.git-a0bc4b41ddb868605dc1500002c27cfa79faf4389fe53b6754817ea16b48d458/.git" 
                           "/tmp/git-checkout2bb3676b"
2026-01-16 20:32.23: Exec: "git" "-C" "/tmp/git-checkout2bb3676b" "submodule" 
                           "deinit" "--force" "--all"
2026-01-16 20:32.23: Exec: "git" "-C" "/tmp/git-checkout2bb3676b" "reset" 
                           "--hard" "-q" "a35dbc8a881d9411d03b2b822e4648d893342b2a"
2026-01-16 20:32.26: Exec: "git" "-c" "protocol.file.allow=always" "-C" 
                           "/tmp/git-checkout2bb3676b" "submodule" "update" 
                           "--recursive" "--init" "--no-fetch"
2026-01-16 20:32.26: Exec: "git" "merge" "-q" "--" "92679ed61424ad5e3662cb5bba4effdd8f701363"

To reproduce locally, on the opam-repository PR branch, run: 

    opam pin opam-ci-check git+https://github.com/ocurrent/opam-repo-ci.git#live
    opam-ci-check lint --machine-readable --opam-repository . proven.0.9.0:new=true

2026-01-16 20:32.27: Exec: "opam-ci-check" "lint" "--machine-readable" 
                           "--opam-repository" "." "proven.0.9.0:new=true"
Linting opam-repository at /tmp/git-checkout2bb3676b/. ...
Error in proven.0.9.0: Opam lint warning 59: url doesn't contain a checksum
Error in proven.0.9.0: Opam lint warning 62: License doesn't adhere to the SPDX standard, see https://spdx.org/licenses/ : "PMPL-1.0"
Warning in proven.0.9.0: Unnecessary field 'name'. It is suggested to remove it.
Warning in proven.0.9.0: Unnecessary field 'version'. It is suggested to remove it.
Error in proven.0.9.0: Weak checksum algorithm(s) provided. Please use SHA-256 or SHA-512. Details: opam field url contains no checksum for v0.9.0.tar.gz
2026-01-16 20:33.00: Job failed: Error in proven.0.9.0: Weak checksum algorithm(s) provided. Please use SHA-256 or SHA-512. Details: opam field url contains no checksum for v0.9.0.tar.gz
Warning in proven.0.9.0: Unnecessary field 'version'. It is suggested to remove it.
Warning in proven.0.9.0: Unnecessary field 'name'. It is suggested to remove it.
Error in proven.0.9.0: Opam lint warning 62: License doesn't adhere to the SPDX standard, see https://spdx.org/licenses/ : "PMPL-1.0"
Error in proven.0.9.0: Opam lint warning 59: url doesn't contain a checksum