[INFO] cloning repository https://github.com/yuu/rust-future-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuu/rust-future-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuu%2Frust-future-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuu%2Frust-future-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5704fd681f1180c6d45ceaf720eccd7d1e0247b
[INFO] checking yuu/rust-future-example against master#b286722878e18db29a7fbe672be7c4d3b02e8e4d for pr-127655
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuu%2Frust-future-example" "/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/yuu/rust-future-example on toolchain b286722878e18db29a7fbe672be7c4d3b02e8e4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yuu/rust-future-example
[INFO] finished tweaking git repo https://github.com/yuu/rust-future-example
[INFO] tweaked toml for git repo https://github.com/yuu/rust-future-example written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/yuu/rust-future-example 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" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/stjepang/crossbeam`
[INFO] [stderr] error: failed to get `crossbeam-utils` as a dependency of package `tokio-executor v0.2.0 (https://github.com/tokio-rs/tokio#e88d10a3)`
[INFO] [stderr]     ... which satisfies git dependency `tokio-executor` (locked to 0.2.0) of package `tokio v0.2.0 (https://github.com/tokio-rs/tokio#e88d10a3)`
[INFO] [stderr]     ... which satisfies git dependency `tokio` (locked to 0.2.0) of package `future-example v0.1.0 (/workspace/builds/worker-1-tc1/source)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to load source for dependency `crossbeam-utils`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Unable to update https://github.com/stjepang/crossbeam?branch=raw-parker#e2a7760f
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to clone into: /workspace/cargo-home/git/db/crossbeam-13543440a0816cb8
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to authenticate when downloading repository
[INFO] [stderr] 
[INFO] [stderr]   * attempted to find username/password via git's `credential.helper` support, but failed
[INFO] [stderr] 
[INFO] [stderr]   if the git CLI succeeds then `net.git-fetch-with-cli` may help here
[INFO] [stderr]   https://doc.rust-lang.org/cargo/reference/config.html#netgit-fetch-with-cli
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to acquire username/password from local configuration
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to broken:missing-deps
[ERROR] caused by: the crate depends on missing dependencies
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.