[INFO] fetching crate arkflow 0.1.0...
[INFO] checking arkflow-0.1.0 against master#ba7e63b63871a429533c189adbfb1d9a6337e000 for pr-135331-1
[INFO] extracting crate arkflow 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate arkflow 0.1.0
[INFO] finished tweaking crates.io crate arkflow 0.1.0
[INFO] tweaked toml for crates.io crate arkflow 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate arkflow 0.1.0 on toolchain ba7e63b63871a429533c189adbfb1d9a6337e000
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ba7e63b63871a429533c189adbfb1d9a6337e000" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate arkflow 0.1.0 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" "+ba7e63b63871a429533c189adbfb1d9a6337e000" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for the requirement `prost-reflect = "^0.14.7"` (locked to 0.14.7)
[INFO] [stderr] candidate versions found which didn't match: 0.11.4, 0.11.3, 0.11.2, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `arkflow v0.1.0 (/workspace/builds/worker-2-tc1/source)`
[INFO] [stderr] if you are looking for the prerelease package it needs to be specified explicitly
[INFO] [stderr]     prost-reflect = { version = "0.10.0-alpha.1" }


command failed: exit status: 101

    Blocking waiting for file lock on package cache
    Updating crates.io index
error: failed to select a version for the requirement `prost-reflect = "^0.14.7"` (locked to 0.14.7)
candidate versions found which didn't match: 0.11.4, 0.11.3, 0.11.2, ...
location searched: crates.io index
required by package `arkflow v0.1.0 (/workspace/builds/worker-2-tc1/source)`
if you are looking for the prerelease package it needs to be specified explicitly
    prost-reflect = { version = "0.10.0-alpha.1" }