[INFO] cloning repository https://github.com/jcoyne/rust-rdf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jcoyne/rust-rdf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcoyne%2Frust-rdf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcoyne%2Frust-rdf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9fcbc182be755a890286da99e02f18f725594bc5
[INFO] checking jcoyne/rust-rdf against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcoyne%2Frust-rdf" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jcoyne/rust-rdf on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jcoyne/rust-rdf
[INFO] finished tweaking git repo https://github.com/jcoyne/rust-rdf
[INFO] tweaked toml for git repo https://github.com/jcoyne/rust-rdf written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jcoyne/rust-rdf 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" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/carllerche/curl-rust`
[INFO] [stderr]     Updating git submodule `https://github.com/alexcrichton/curl`
[INFO] [stderr]     Updating git repository `https://github.com/servo/rust-url`
[INFO] [stderr] error: no matching package named `curl-sys` found
[INFO] [stderr] location searched: https://github.com/carllerche/curl-rust#e57e9b2e
[INFO] [stderr] required by package `curl v0.1.0 (https://github.com/carllerche/curl-rust#e57e9b2e)`
[INFO] [stderr]     ... which satisfies git dependency `curl` (locked to 0.1.0) of package `rust-rdf v0.0.1 (/workspace/builds/worker-3-tc1/source)`
[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.
