[INFO] cloning repository https://github.com/XeroLinuxDev/xero-welcome
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/XeroLinuxDev/xero-welcome" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXeroLinuxDev%2Fxero-welcome", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXeroLinuxDev%2Fxero-welcome'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed02ad707387f6622c0e65b4b353f2ce53328353
[INFO] checking XeroLinuxDev/xero-welcome against master#46424fb5054f211ec836c5c03159f92e46bb35ac for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXeroLinuxDev%2Fxero-welcome" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/XeroLinuxDev/xero-welcome on toolchain 46424fb5054f211ec836c5c03159f92e46bb35ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/XeroLinuxDev/xero-welcome
[INFO] finished tweaking git repo https://github.com/XeroLinuxDev/xero-welcome
[INFO] tweaked toml for git repo https://github.com/XeroLinuxDev/xero-welcome written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/XeroLinuxDev/xero-welcome 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" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for the requirement `cpp = "^0.6.0"`
[INFO] [stderr] candidate versions found which didn't match: 0.5.10, 0.5.9, 0.5.8, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `xero-welcome v2.0.0 (/workspace/builds/worker-5-tc1/source)`


command failed: exit status: 101

    Updating crates.io index
error: failed to select a version for the requirement `cpp = "^0.6.0"`
candidate versions found which didn't match: 0.5.10, 0.5.9, 0.5.8, ...
location searched: crates.io index
required by package `xero-welcome v2.0.0 (/workspace/builds/worker-5-tc1/source)`