[INFO] cloning repository https://github.com/mscode07/rust_task_saas
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mscode07/rust_task_saas" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmscode07%2Frust_task_saas", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmscode07%2Frust_task_saas'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 266fc47e8ceb243c7fafaf3ded82464234889143
[INFO] checking mscode07/rust_task_saas against master#507271bc119683008ec719ecee48814e8ac86c65 for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmscode07%2Frust_task_saas" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mscode07/rust_task_saas
[INFO] finished tweaking git repo https://github.com/mscode07/rust_task_saas
[INFO] tweaked toml for git repo https://github.com/mscode07/rust_task_saas written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mscode07/rust_task_saas on toolchain 507271bc119683008ec719ecee48814e8ac86c65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mscode07/rust_task_saas 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" "+507271bc119683008ec719ecee48814e8ac86c65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `rand_core`.
[INFO] [stderr]     ... required by package `api v0.1.0 (/workspace/builds/worker-0-tc1/source/apps/api)`
[INFO] [stderr] versions that meet the requirements `^0.10.1` are: 0.10.1
[INFO] [stderr] 
[INFO] [stderr] package `api` depends on `rand_core` with feature `std` but `rand_core` does not have that feature.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `rand_core` 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
       error: failed to select a version for `rand_core`.
           ... required by package `api v0.1.0 (/workspace/builds/worker-0-tc1/source/apps/api)`
       versions that meet the requirements `^0.10.1` are: 0.10.1
       
       package `api` depends on `rand_core` with feature `std` but `rand_core` does not have that feature.
       
       
       failed to select a version for `rand_core` which could resolve this conflict