[INFO] cloning repository https://github.com/brianloveswords/hookshot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brianloveswords/hookshot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrianloveswords%2Fhookshot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrianloveswords%2Fhookshot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 41541d907fb8ff1aa7f0f778e6dd8e3ed8b2bee0
[INFO] checking brianloveswords/hookshot against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrianloveswords%2Fhookshot" "/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/brianloveswords/hookshot on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/brianloveswords/hookshot
[INFO] finished tweaking git repo https://github.com/brianloveswords/hookshot
[INFO] tweaked toml for git repo https://github.com/brianloveswords/hookshot written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/brianloveswords/hookshot 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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded time v0.1.33
[INFO] [stderr]   Downloaded router v0.0.15
[INFO] [stderr]   Downloaded num_cpus v0.2.7
[INFO] [stderr]   Downloaded hyper v0.6.15
[INFO] [stderr]   Downloaded error v0.1.7
[INFO] [stderr]   Downloaded num v0.1.28
[INFO] [stderr]   Downloaded chrono v0.2.17
[INFO] [stderr]   Downloaded httparse v1.0.0
[INFO] [stderr]   Downloaded openssl-sys v0.6.7
[INFO] [stderr]   Downloaded openssl v0.6.7
[INFO] [stderr]   Downloaded users v0.4.4
[INFO] [stderr]   Downloaded route-recognizer v0.1.11
[INFO] [stderr]   Downloaded toml v0.1.23
[INFO] [stderr]   Downloaded iron v0.2.3
[INFO] [stderr] error: failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/iron-0.2.3/Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse the version requirement `0.2*` for dependency `plugin`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   expected comma after minor version number, found '*'
[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.
