[INFO] cloning repository https://github.com/philsippl/witness-gen-experiments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/philsippl/witness-gen-experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilsippl%2Fwitness-gen-experiments", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilsippl%2Fwitness-gen-experiments'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d203fd67682292d5866524bed73551a5a4fa71c2
[INFO] checking philsippl/witness-gen-experiments against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilsippl%2Fwitness-gen-experiments" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/philsippl/witness-gen-experiments
[INFO] finished tweaking git repo https://github.com/philsippl/witness-gen-experiments
[INFO] tweaked toml for git repo https://github.com/philsippl/witness-gen-experiments written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/philsippl/witness-gen-experiments on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/philsippl/witness-gen-experiments already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/recmo/uint`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `num-traits`.
[INFO] [stderr]     ... required by package `ruint v1.18.0 (https://github.com/recmo/uint#c910174c)`
[INFO] [stderr]     ... which satisfies git dependency `ruint` of package `generator v0.1.0 (/workspace/builds/worker-1-tc1/source)`
[INFO] [stderr] versions that meet the requirements `^0.2.16` are: 0.2.19, 0.2.18, 0.2.17, 0.2.16
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages.
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `num-traits v0.2.15`
[INFO] [stderr]     ... which satisfies dependency `num-traits = "^0.2"` (locked to 0.2.15) of package `ark-ec v0.3.0`
[INFO] [stderr]     ... which satisfies dependency `ark-ec = "^0.3"` (locked to 0.3.0) of package `generator v0.1.0 (/workspace/builds/worker-1-tc1/source)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `num-traits` which could resolve this conflict


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: command failed: exit status: 101
       
           Updating git repository `https://github.com/recmo/uint`
           Updating crates.io index
       error: failed to select a version for `num-traits`.
           ... required by package `ruint v1.18.0 (https://github.com/recmo/uint#c910174c)`
           ... which satisfies git dependency `ruint` of package `generator v0.1.0 (/workspace/builds/worker-1-tc1/source)`
       versions that meet the requirements `^0.2.16` are: 0.2.19, 0.2.18, 0.2.17, 0.2.16
       
       all possible versions conflict with previously selected packages.
       
         previously selected package `num-traits v0.2.15`
           ... which satisfies dependency `num-traits = "^0.2"` (locked to 0.2.15) of package `ark-ec v0.3.0`
           ... which satisfies dependency `ark-ec = "^0.3"` (locked to 0.3.0) of package `generator v0.1.0 (/workspace/builds/worker-1-tc1/source)`
       
       failed to select a version for `num-traits` which could resolve this conflict