[INFO] fetching crate hints 0.0.5...
[INFO] checking hints-0.0.5 against master#1b8f2e46e14b08208a53585570edd9206374aae8 for pr-155418-1
[INFO] extracting crate hints 0.0.5 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate hints 0.0.5
[INFO] finished tweaking crates.io crate hints 0.0.5
[INFO] tweaked toml for crates.io crate hints 0.0.5 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate hints 0.0.5 on toolchain 1b8f2e46e14b08208a53585570edd9206374aae8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1b8f2e46e14b08208a53585570edd9206374aae8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate hints 0.0.5 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" "+1b8f2e46e14b08208a53585570edd9206374aae8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `ark-serialize`.
[INFO] [stderr]     ... required by package `hints v0.0.5 (/workspace/builds/worker-7-tc1/source)`
[INFO] [stderr] versions that meet the requirements `^0.5.0` are: 0.5.0
[INFO] [stderr] 
[INFO] [stderr] package `hints` depends on `ark-serialize` with feature `serde_with` but `ark-serialize` does not have that feature.
[INFO] [stderr] help: available features: ark-serialize-derive, default, derive, parallel, rayon, std
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `ark-serialize` 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 crates.io index
           Updating crates.io index
       error: failed to select a version for `ark-serialize`.
           ... required by package `hints v0.0.5 (/workspace/builds/worker-7-tc1/source)`
       versions that meet the requirements `^0.5.0` are: 0.5.0
       
       package `hints` depends on `ark-serialize` with feature `serde_with` but `ark-serialize` does not have that feature.
       help: available features: ark-serialize-derive, default, derive, parallel, rayon, std
       
       
       failed to select a version for `ark-serialize` which could resolve this conflict