[INFO] cloning repository https://github.com/nethad/pingduck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nethad/pingduck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnethad%2Fpingduck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnethad%2Fpingduck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 26774047dc3196921e37e41f08b7a7a91101cbe9
[INFO] checking nethad/pingduck against master#f00b02e6bbe63707503f058fb87cc3e2b25991ac for pr-125596
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnethad%2Fpingduck" "/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/nethad/pingduck on toolchain f00b02e6bbe63707503f058fb87cc3e2b25991ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f00b02e6bbe63707503f058fb87cc3e2b25991ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nethad/pingduck
[INFO] finished tweaking git repo https://github.com/nethad/pingduck
[INFO] tweaked toml for git repo https://github.com/nethad/pingduck written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nethad/pingduck 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" "+f00b02e6bbe63707503f058fb87cc3e2b25991ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/iron/body-parser.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quasi v0.8.0
[INFO] [stderr]   Downloaded quasi_codegen v0.8.0
[INFO] [stderr]   Downloaded serde_codegen v0.7.1
[INFO] [stderr]   Downloaded serde v0.7.0
[INFO] [stderr]   Downloaded serde_json v0.7.0
[INFO] [stderr]   Downloaded mime v0.1.3
[INFO] [stderr]   Downloaded route-recognizer v0.1.11
[INFO] [stderr]   Downloaded router v0.1.0
[INFO] [stderr]   Downloaded persistent v0.0.9
[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.