[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] checking gnunicorn/safe_proxy against master#e1ac0fa95ba15221ee195647cb12464df3164513 for pr-126090
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnunicorn%2Fsafe_proxy" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gnunicorn/safe_proxy on toolchain e1ac0fa95ba15221ee195647cb12464df3164513
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e1ac0fa95ba15221ee195647cb12464df3164513" "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-7-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" "+e1ac0fa95ba15221ee195647cb12464df3164513" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unwrap v1.1.0
[INFO] [stderr]   Downloaded matches v0.1.4
[INFO] [stderr]   Downloaded thread-id v3.0.0
[INFO] [stderr]   Downloaded mime v0.1.3
[INFO] [stderr]   Downloaded mime_guess v1.8.1
[INFO] [stderr]   Downloaded phf_codegen v0.7.20
[INFO] [stderr]   Downloaded error v0.1.9
[INFO] [stderr]   Downloaded idna v0.1.0
[INFO] [stderr]   Downloaded conduit-mime-types v0.7.3
[INFO] [stderr]   Downloaded serde v0.6.15
[INFO] [stderr]   Downloaded url v1.2.3
[INFO] [stderr]   Downloaded filetime v0.1.10
[INFO] [stderr]   Downloaded phf v0.7.20
[INFO] [stderr]   Downloaded phf_generator v0.7.20
[INFO] [stderr]   Downloaded httparse v1.2.1
[INFO] [stderr]   Downloaded ordered-float v0.1.0
[INFO] [stderr]   Downloaded unsafe-any v0.4.1
[INFO] [stderr]   Downloaded hyper v0.7.2
[INFO] [stderr]   Downloaded memchr v0.1.11
[INFO] [stderr]   Downloaded semver v0.1.20
[INFO] [stderr]   Downloaded xmltree v0.3.2
[INFO] [stderr]   Downloaded crossbeam v0.2.10
[INFO] [stderr]   Downloaded humantime v0.1.3
[INFO] [stderr]   Downloaded modifier v0.1.0
[INFO] [stderr]   Downloaded num_cpus v0.2.13
[INFO] [stderr]   Downloaded unicode-bidi v0.2.3
[INFO] [stderr]   Downloaded uuid v0.2.3
[INFO] [stderr]   Downloaded openssl v0.7.14
[INFO] [stderr]   Downloaded url v0.5.10
[INFO] [stderr]   Downloaded rust_sodium v0.1.2
[INFO] [stderr]   Downloaded lazy_static v0.1.16
[INFO] [stderr]   Downloaded brotli-sys v0.2.0
[INFO] [stderr]   Downloaded maidsafe_utilities v0.10.0
[INFO] [stderr]   Downloaded xattr v0.1.10
[INFO] [stderr]   Downloaded hyper v0.9.13
[INFO] [stderr]   Downloaded tmp_mio v0.5.2
[INFO] [stderr]   Downloaded safe_core v0.22.1
[INFO] [stderr]   Downloaded itertools v0.4.19
[INFO] [stderr]   Downloaded bincode v0.6.0
[INFO] [stderr]   Downloaded persistent v0.0.6
[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.