[INFO] fetching crate mdbook-variables 0.3.0...
[INFO] testing mdbook-variables-0.3.0 against 1.90.0 for beta-1.91-2
[INFO] extracting crate mdbook-variables 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate mdbook-variables 0.3.0
[INFO] finished tweaking crates.io crate mdbook-variables 0.3.0
[INFO] tweaked toml for crates.io crate mdbook-variables 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mdbook-variables 0.3.0 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 crates.io crate mdbook-variables 0.3.0 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/ax/um/axum, error: No space left on device (os error 28)
[INFO] [stderr] error: failed to select a version for the requirement `miniz_oxide = "^0.8"` (locked to 0.8.9)
[INFO] [stderr] candidate versions found which didn't match: 0.6.2, 0.6.1, 0.6.0, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `backtrace v0.3.75`
[INFO] [stderr]     ... which satisfies dependency `backtrace = "^0.3.58"` (locked to 0.3.75) of package `tokio v1.47.1`
[INFO] [stderr]     ... which satisfies dependency `tokio = "^1.43.1"` (locked to 1.47.1) of package `mdbook v0.4.52`
[INFO] [stderr]     ... which satisfies dependency `mdbook = "^0.4"` (locked to 0.4.52) of package `mdbook-variables v0.3.0 (/workspace/builds/worker-4-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/ax/um/axum, error: No space left on device (os error 28)
error: failed to select a version for the requirement `miniz_oxide = "^0.8"` (locked to 0.8.9)
candidate versions found which didn't match: 0.6.2, 0.6.1, 0.6.0, ...
location searched: crates.io index
required by package `backtrace v0.3.75`
    ... which satisfies dependency `backtrace = "^0.3.58"` (locked to 0.3.75) of package `tokio v1.47.1`
    ... which satisfies dependency `tokio = "^1.43.1"` (locked to 1.47.1) of package `mdbook v0.4.52`
    ... which satisfies dependency `mdbook = "^0.4"` (locked to 0.4.52) of package `mdbook-variables v0.3.0 (/workspace/builds/worker-4-tc1/source)`