[INFO] cloning repository https://github.com/nulltier/attic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nulltier/attic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnulltier%2Fattic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnulltier%2Fattic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d1f1a8693ab8e7ae250a7bc3268dd69b7901271
[INFO] testing nulltier/attic against 1.90.0 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnulltier%2Fattic" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nulltier/attic
[INFO] finished tweaking git repo https://github.com/nulltier/attic
[INFO] tweaked toml for git repo https://github.com/nulltier/attic written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nulltier/attic 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/nulltier/attic 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/md/bo/mdbook, error: No space left on device (os error 28)
[INFO] [stderr] error: failed to select a version for the requirement `libc = "^0.2.69"` (locked to 0.2.126)
[INFO] [stderr] candidate versions found which didn't match: 0.2.96, 0.2.95, 0.2.94, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `chrono v0.4.19`
[INFO] [stderr]     ... which satisfies dependency `chrono = "^0.4"` (locked to 0.4.19) of package `mdbook v0.4.18`
[INFO] [stderr]     ... which satisfies dependency `mdbook = "^0.4.18"` (locked to 0.4.18) of package `attic v0.1.0 (/workspace/builds/worker-2-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/md/bo/mdbook, error: No space left on device (os error 28)
error: failed to select a version for the requirement `libc = "^0.2.69"` (locked to 0.2.126)
candidate versions found which didn't match: 0.2.96, 0.2.95, 0.2.94, ...
location searched: crates.io index
required by package `chrono v0.4.19`
    ... which satisfies dependency `chrono = "^0.4"` (locked to 0.4.19) of package `mdbook v0.4.18`
    ... which satisfies dependency `mdbook = "^0.4.18"` (locked to 0.4.18) of package `attic v0.1.0 (/workspace/builds/worker-2-tc1/source)`