[INFO] fetching crate version-migrate 0.18.2...
[INFO] testing version-migrate-0.18.2 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210
[INFO] extracting crate version-migrate 0.18.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate version-migrate 0.18.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate version-migrate 0.18.2
[INFO] tweaked toml for crates.io crate version-migrate 0.18.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate version-migrate 0.18.2 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate version-migrate 0.18.2 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" "+562dee4820c458d823175268e41601d4c060588a" "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/se/rd/serde_json, error: No space left on device (os error 28)
[INFO] [stderr] warning: failed to save last-use data
[INFO] [stderr] This may prevent cargo from accurately tracking what is being used in its global cache. This information is used for automatically removing unused data in the cache.
[INFO] [stderr] 
[INFO] [stderr] database or disk is full
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Error code 13: database or disk is full
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded urlencoding v2.1.3
[INFO] [stderr] error: failed to create directory `/workspace/cargo-home/registry/cache/index.crates.io-1949cf8c6b5b557f`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: 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/se/rd/serde_json, error: No space left on device (os error 28)
       warning: failed to save last-use data
       This may prevent cargo from accurately tracking what is being used in its global cache. This information is used for automatically removing unused data in the cache.
       
       database or disk is full
       
       Caused by:
         Error code 13: database or disk is full
           Blocking waiting for file lock on package cache
        Downloading crates ...
         Downloaded urlencoding v2.1.3
       error: failed to create directory `/workspace/cargo-home/registry/cache/index.crates.io-1949cf8c6b5b557f`
       
       Caused by:
         No space left on device (os error 28)