[INFO] fetching crate slop-spartan 6.0.2...
[INFO] testing slop-spartan-6.0.2 against 1.94.0 for beta-1.95-1
[INFO] extracting crate slop-spartan 6.0.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate slop-spartan 6.0.2
[INFO] finished tweaking crates.io crate slop-spartan 6.0.2
[INFO] tweaked toml for crates.io crate slop-spartan 6.0.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate slop-spartan 6.0.2 on toolchain 1.94.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate slop-spartan 6.0.2 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" "+1.94.0" "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/fu/tu/futures, error: No space left on device (os error 28)
[INFO] [stderr] error: failed to select a version for the requirement `serde = "^1.0.204"` (locked to 1.0.228)
[INFO] [stderr] candidate versions found which didn't match: 1.0.192, 1.0.191, 1.0.190, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `slop-algebra v6.0.2`
[INFO] [stderr]     ... which satisfies dependency `slop-algebra = "^6.0.2"` (locked to 6.0.2) of package `slop-spartan v6.0.2 (/workspace/builds/worker-6-tc1/source)`
[INFO] [stderr] if you are looking for the prerelease package it needs to be specified explicitly
[INFO] [stderr]     serde = { version = "1.0.172-alpha.0" }


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/fu/tu/futures, error: No space left on device (os error 28)
error: failed to select a version for the requirement `serde = "^1.0.204"` (locked to 1.0.228)
candidate versions found which didn't match: 1.0.192, 1.0.191, 1.0.190, ...
location searched: crates.io index
required by package `slop-algebra v6.0.2`
    ... which satisfies dependency `slop-algebra = "^6.0.2"` (locked to 6.0.2) of package `slop-spartan v6.0.2 (/workspace/builds/worker-6-tc1/source)`
if you are looking for the prerelease package it needs to be specified explicitly
    serde = { version = "1.0.172-alpha.0" }