[INFO] cloning repository https://github.com/gnunicorn/safe_proxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gnunicorn/safe_proxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnunicorn%2Fsafe_proxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnunicorn%2Fsafe_proxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 388f8fd1854986ecec4ee20a406b0f59cd912c25
[INFO] testing gnunicorn/safe_proxy against master#61223975d46f794466efa832bc7562b9707ecc46+rustflags=-Copt-level=3 for pr-121282
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnunicorn%2Fsafe_proxy" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gnunicorn/safe_proxy on toolchain 61223975d46f794466efa832bc7562b9707ecc46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gnunicorn/safe_proxy
[INFO] finished tweaking git repo https://github.com/gnunicorn/safe_proxy
[INFO] tweaked toml for git repo https://github.com/gnunicorn/safe_proxy written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gnunicorn/safe_proxy 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" "+61223975d46f794466efa832bc7562b9707ecc46" "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]  Downloading crates ...
[INFO] [stderr]   Downloaded toml v0.1.30
[INFO] [stderr]   Downloaded hyper v0.7.2
[INFO] [stderr]   Downloaded mime_guess v1.8.1
[INFO] [stderr]   Downloaded bincode v0.6.0
[INFO] [stderr]   Downloaded crossbeam v0.2.10
[INFO] [stderr]   Downloaded linked-hash-map v0.0.9
[INFO] [stderr]   Downloaded phf_shared v0.7.20
[INFO] [stderr]   Downloaded phf_codegen v0.7.20
[INFO] [stderr]   Downloaded serde v0.6.15
[INFO] [stderr]   Downloaded bytes v0.3.0
[INFO] [stderr]   Downloaded bitflags v0.4.0
[INFO] [stderr]   Downloaded httparse v1.2.1
[INFO] [stderr]   Downloaded either v1.0.2
[INFO] [stderr]   Downloaded phf_generator v0.7.20
[INFO] [stderr]   Downloaded uuid v0.2.3
[INFO] [stderr]   Downloaded igd v0.5.2
[INFO] [stderr]   Downloaded net2 v0.2.26
[INFO] [stderr]   Downloaded filetime v0.1.10
[INFO] [stderr]   Downloaded lru-cache v0.0.7
[INFO] [stderr]   Downloaded gcc v0.3.39
[INFO] [stderr]   Downloaded term v0.4.4
[INFO] [stderr]   Downloaded nix v0.5.1
[INFO] [stderr]   Downloaded ws v0.5.3
[INFO] [stderr]   Downloaded rustc-serialize v0.3.22
[INFO] [stderr]   Downloaded itertools v0.4.19
[INFO] [stderr]   Downloaded itertools v0.5.6
[INFO] [stderr]   Downloaded config_file_handler v0.4.0
[INFO] [stderr]   Downloaded url v0.5.10
[INFO] [stderr]   Downloaded hyper v0.9.13
[INFO] [stderr]   Downloaded log4rs v0.4.8
[INFO] [stderr]   Downloaded num v0.1.36
[INFO] [stderr]   Downloaded iron v0.2.6
[INFO] [stderr] error: failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/iron-0.2.6/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.