[INFO] fetching crate scors 0.2.3...
[INFO] testing scors-0.2.3 against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] extracting crate scors 0.2.3 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate scors 0.2.3
[INFO] finished tweaking crates.io crate scors 0.2.3
[INFO] tweaked toml for crates.io crate scors 0.2.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate scors 0.2.3 on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate scors 0.2.3 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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] warning: failed to write cache, path: /workspace/cargo-home/registry/index/index.crates.io-1949cf8c6b5b557f/.cache/nd/ar/ndarray, error: No space left on device (os error 28)
[INFO] [stderr] error: failed to select a version for the requirement `syn = "^2"` (locked to 2.0.104)
[INFO] [stderr] candidate versions found which didn't match: 2.0.39, 2.0.38, 2.0.37, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `pyo3-macros v0.23.5`
[INFO] [stderr]     ... which satisfies dependency `pyo3-macros = "=0.23.5"` (locked to 0.23.5) of package `pyo3 v0.23.5`
[INFO] [stderr]     ... which satisfies dependency `pyo3 = "^0.23.5"` (locked to 0.23.5) of package `scors v0.2.3 (/workspace/builds/worker-5-tc1/source)`


command failed: exit status: 101

    Updating crates.io index
warning: failed to write cache, path: /workspace/cargo-home/registry/index/index.crates.io-1949cf8c6b5b557f/.cache/nd/ar/ndarray, error: No space left on device (os error 28)
error: failed to select a version for the requirement `syn = "^2"` (locked to 2.0.104)
candidate versions found which didn't match: 2.0.39, 2.0.38, 2.0.37, ...
location searched: crates.io index
required by package `pyo3-macros v0.23.5`
    ... which satisfies dependency `pyo3-macros = "=0.23.5"` (locked to 0.23.5) of package `pyo3 v0.23.5`
    ... which satisfies dependency `pyo3 = "^0.23.5"` (locked to 0.23.5) of package `scors v0.2.3 (/workspace/builds/worker-5-tc1/source)`