[INFO] cloning repository https://github.com/astrojhgu/test_vp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/astrojhgu/test_vp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fastrojhgu%2Ftest_vp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fastrojhgu%2Ftest_vp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa5107b0ad017dd0aaa608d6f609715ea045f2f3
[INFO] checking astrojhgu/test_vp against master#30662530506ed29ea29191798cb2ab8aa1249023 for pr-120227
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fastrojhgu%2Ftest_vp" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/astrojhgu/test_vp on toolchain 30662530506ed29ea29191798cb2ab8aa1249023
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30662530506ed29ea29191798cb2ab8aa1249023" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/astrojhgu/test_vp
[INFO] finished tweaking git repo https://github.com/astrojhgu/test_vp
[INFO] tweaked toml for git repo https://github.com/astrojhgu/test_vp written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/astrojhgu/test_vp 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" "+30662530506ed29ea29191798cb2ab8aa1249023" "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 `num-traits = ">0.2"`
[INFO] [stderr] candidate versions found which didn't match: 0.2.17, 0.2.16, 0.2.15, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `test_vp v0.1.0 (/workspace/builds/worker-4-tc1/source)`
[INFO] [stderr] perhaps a crate was updated and forgotten to be re-vendored?
[ERROR] this task or one of its parent failed!
[ERROR] command failed: exit status: 101
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking astrojhgu/test_vp against try#ad2e3884fa8975e4827c1b0b0af203fc59856ef2 for pr-120227
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fastrojhgu%2Ftest_vp" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/astrojhgu/test_vp on toolchain ad2e3884fa8975e4827c1b0b0af203fc59856ef2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad2e3884fa8975e4827c1b0b0af203fc59856ef2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/astrojhgu/test_vp
[INFO] finished tweaking git repo https://github.com/astrojhgu/test_vp
[INFO] tweaked toml for git repo https://github.com/astrojhgu/test_vp written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/astrojhgu/test_vp 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" "+ad2e3884fa8975e4827c1b0b0af203fc59856ef2" "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 `num-traits = ">0.2"`
[INFO] [stderr] candidate versions found which didn't match: 0.2.17, 0.2.16, 0.2.15, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `test_vp v0.1.0 (/workspace/builds/worker-4-tc2/source)`
[INFO] [stderr] perhaps a crate was updated and forgotten to be re-vendored?
[INFO] checking astrojhgu/test_vp against try#ad2e3884fa8975e4827c1b0b0af203fc59856ef2 for pr-120227
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fastrojhgu%2Ftest_vp" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/astrojhgu/test_vp on toolchain ad2e3884fa8975e4827c1b0b0af203fc59856ef2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad2e3884fa8975e4827c1b0b0af203fc59856ef2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/astrojhgu/test_vp
[INFO] finished tweaking git repo https://github.com/astrojhgu/test_vp
[INFO] tweaked toml for git repo https://github.com/astrojhgu/test_vp written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/astrojhgu/test_vp 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" "+ad2e3884fa8975e4827c1b0b0af203fc59856ef2" "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 `num-traits = ">0.2"`
[INFO] [stderr] candidate versions found which didn't match: 0.2.17, 0.2.16, 0.2.15, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `test_vp v0.1.0 (/workspace/builds/worker-4-tc2/source)`
[INFO] [stderr] perhaps a crate was updated and forgotten to be re-vendored?
[INFO] checking astrojhgu/test_vp against try#ad2e3884fa8975e4827c1b0b0af203fc59856ef2 for pr-120227
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fastrojhgu%2Ftest_vp" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/astrojhgu/test_vp on toolchain ad2e3884fa8975e4827c1b0b0af203fc59856ef2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad2e3884fa8975e4827c1b0b0af203fc59856ef2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/astrojhgu/test_vp
[INFO] finished tweaking git repo https://github.com/astrojhgu/test_vp
[INFO] tweaked toml for git repo https://github.com/astrojhgu/test_vp written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/astrojhgu/test_vp 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" "+ad2e3884fa8975e4827c1b0b0af203fc59856ef2" "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 `num-traits = ">0.2"`
[INFO] [stderr] candidate versions found which didn't match: 0.2.17, 0.2.16, 0.2.15, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `test_vp v0.1.0 (/workspace/builds/worker-4-tc2/source)`
[INFO] [stderr] perhaps a crate was updated and forgotten to be re-vendored?
[INFO] checking astrojhgu/test_vp against try#ad2e3884fa8975e4827c1b0b0af203fc59856ef2 for pr-120227
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fastrojhgu%2Ftest_vp" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/astrojhgu/test_vp on toolchain ad2e3884fa8975e4827c1b0b0af203fc59856ef2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad2e3884fa8975e4827c1b0b0af203fc59856ef2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/astrojhgu/test_vp
[INFO] finished tweaking git repo https://github.com/astrojhgu/test_vp
[INFO] tweaked toml for git repo https://github.com/astrojhgu/test_vp written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/astrojhgu/test_vp 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" "+ad2e3884fa8975e4827c1b0b0af203fc59856ef2" "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 `num-traits = ">0.2"`
[INFO] [stderr] candidate versions found which didn't match: 0.2.17, 0.2.16, 0.2.15, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `test_vp v0.1.0 (/workspace/builds/worker-4-tc2/source)`
[INFO] [stderr] perhaps a crate was updated and forgotten to be re-vendored?
[INFO] checking astrojhgu/test_vp against try#ad2e3884fa8975e4827c1b0b0af203fc59856ef2 for pr-120227
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fastrojhgu%2Ftest_vp" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/astrojhgu/test_vp on toolchain ad2e3884fa8975e4827c1b0b0af203fc59856ef2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad2e3884fa8975e4827c1b0b0af203fc59856ef2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/astrojhgu/test_vp
[INFO] finished tweaking git repo https://github.com/astrojhgu/test_vp
[INFO] tweaked toml for git repo https://github.com/astrojhgu/test_vp written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/astrojhgu/test_vp 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" "+ad2e3884fa8975e4827c1b0b0af203fc59856ef2" "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 `num-traits = ">0.2"`
[INFO] [stderr] candidate versions found which didn't match: 0.2.17, 0.2.16, 0.2.15, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `test_vp v0.1.0 (/workspace/builds/worker-4-tc2/source)`
[INFO] [stderr] perhaps a crate was updated and forgotten to be re-vendored?
[ERROR] this task or one of its parent failed!
[ERROR] command failed: exit status: 101
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.