[INFO] cloning repository https://github.com/runfalk/advent-of-code-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/runfalk/advent-of-code-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frunfalk%2Fadvent-of-code-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frunfalk%2Fadvent-of-code-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0be69d30f5037d59a7364beecbaaffe59ce66666
[INFO] testing runfalk/advent-of-code-2021 against 1.90.0 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frunfalk%2Fadvent-of-code-2021" "/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/runfalk/advent-of-code-2021
[INFO] finished tweaking git repo https://github.com/runfalk/advent-of-code-2021
[INFO] tweaked toml for git repo https://github.com/runfalk/advent-of-code-2021 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/runfalk/advent-of-code-2021 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/runfalk/advent-of-code-2021 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" "+1.90.0" "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/cl/ap/clap, error: No space left on device (os error 28)
[INFO] [stderr] error: failed to select a version for the requirement `regex = "^1"` (locked to 1.5.4)
[INFO] [stderr] candidate versions found which didn't match: 1.4.2, 1.4.1, 1.4.0, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `advent-of-code-2021 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/cl/ap/clap, error: No space left on device (os error 28)
error: failed to select a version for the requirement `regex = "^1"` (locked to 1.5.4)
candidate versions found which didn't match: 1.4.2, 1.4.1, 1.4.0, ...
location searched: crates.io index
required by package `advent-of-code-2021 v0.1.0 (/workspace/builds/worker-1-tc1/source)`