[INFO] cloning repository https://github.com/qlemon-56/RustBeginner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qlemon-56/RustBeginner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqlemon-56%2FRustBeginner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqlemon-56%2FRustBeginner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff38f2696a6bb465e507518f5e64d0a57ced4156
[INFO] testing qlemon-56/RustBeginner against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqlemon-56%2FRustBeginner" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/qlemon-56/RustBeginner
[INFO] finished tweaking git repo https://github.com/qlemon-56/RustBeginner
[INFO] tweaked toml for git repo https://github.com/qlemon-56/RustBeginner written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/qlemon-56/RustBeginner on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/qlemon-56/RustBeginner 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" "+1ef7943ee607160a564655b6596f83670ef95df5" "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] warning: failed to write cache, path: /workspace/cargo-home/registry/index/index.crates.io-1949cf8c6b5b557f/.cache/fu/ch/fuchsia-cprng, error: No space left on device (os error 28)
[INFO] [stderr] error: failed to select a version for the requirement `winapi = "^0.3"` (locked to 0.3.9)
[INFO] [stderr] candidate versions found which didn't match: 0.3.6, 0.3.5, 0.3.4, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `rand v0.4.6`
[INFO] [stderr]     ... which satisfies dependency `rand = "^0.4"` (locked to 0.4.6) of package `rand v0.3.23`
[INFO] [stderr]     ... which satisfies dependency `rand = "^0.3.0"` (locked to 0.3.23) of package `hello_cargo v0.1.0 (/workspace/builds/worker-1-tc1/source)`


command failed: exit status: 101

    Blocking waiting for file lock on package cache
    Updating crates.io index
warning: failed to write cache, path: /workspace/cargo-home/registry/index/index.crates.io-1949cf8c6b5b557f/.cache/fu/ch/fuchsia-cprng, error: No space left on device (os error 28)
error: failed to select a version for the requirement `winapi = "^0.3"` (locked to 0.3.9)
candidate versions found which didn't match: 0.3.6, 0.3.5, 0.3.4, ...
location searched: crates.io index
required by package `rand v0.4.6`
    ... which satisfies dependency `rand = "^0.4"` (locked to 0.4.6) of package `rand v0.3.23`
    ... which satisfies dependency `rand = "^0.3.0"` (locked to 0.3.23) of package `hello_cargo v0.1.0 (/workspace/builds/worker-1-tc1/source)`