[INFO] cloning repository https://github.com/lorenzocesconetto/Rustlings-Solutions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lorenzocesconetto/Rustlings-Solutions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Florenzocesconetto%2FRustlings-Solutions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Florenzocesconetto%2FRustlings-Solutions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 27e5fcc25a2e9771ca159e11b407b8ce0c0ba919
[INFO] testing lorenzocesconetto/Rustlings-Solutions against master#e9385f9eea0221ef295a188d49d16f8f5189abf1 for pr-146098
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Florenzocesconetto%2FRustlings-Solutions" "/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/lorenzocesconetto/Rustlings-Solutions
[INFO] finished tweaking git repo https://github.com/lorenzocesconetto/Rustlings-Solutions
[INFO] tweaked toml for git repo https://github.com/lorenzocesconetto/Rustlings-Solutions written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lorenzocesconetto/Rustlings-Solutions on toolchain e9385f9eea0221ef295a188d49d16f8f5189abf1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e9385f9eea0221ef295a188d49d16f8f5189abf1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lorenzocesconetto/Rustlings-Solutions 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" "+e9385f9eea0221ef295a188d49d16f8f5189abf1" "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/ar/gh/argh, error: No space left on device (os error 28)
[INFO] [stderr] error: failed to select a version for the requirement `itoa = "^1.0"` (locked to 1.0.6)
[INFO] [stderr] candidate versions found which didn't match: 1.0.4, 1.0.3, 1.0.2, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `serde_json v1.0.94`
[INFO] [stderr]     ... which satisfies dependency `serde_json = "^1.0.81"` (locked to 1.0.94) of package `rustlings v5.5.1 (/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/ar/gh/argh, error: No space left on device (os error 28)
error: failed to select a version for the requirement `itoa = "^1.0"` (locked to 1.0.6)
candidate versions found which didn't match: 1.0.4, 1.0.3, 1.0.2, ...
location searched: crates.io index
required by package `serde_json v1.0.94`
    ... which satisfies dependency `serde_json = "^1.0.81"` (locked to 1.0.94) of package `rustlings v5.5.1 (/workspace/builds/worker-1-tc1/source)`