[INFO] cloning repository https://github.com/jhkim8/halo2_range_proof
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jhkim8/halo2_range_proof" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhkim8%2Fhalo2_range_proof", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhkim8%2Fhalo2_range_proof'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b0a4f7edb09eaf5b0fc8e76dc4f8a6d03a16d8e2
[INFO] testing jhkim8/halo2_range_proof against master#562dee4820c458d823175268e41601d4c060588a for pr-154210
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhkim8%2Fhalo2_range_proof" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jhkim8/halo2_range_proof
[INFO] finished tweaking git repo https://github.com/jhkim8/halo2_range_proof
[INFO] tweaked toml for git repo https://github.com/jhkim8/halo2_range_proof written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jhkim8/halo2_range_proof 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 git repo https://github.com/jhkim8/halo2_range_proof 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/we/b-/web-sys, 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] error: failed to write /workspace/builds/worker-5-tc1/source/Cargo.lock
[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/we/b-/web-sys, 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
       error: failed to write /workspace/builds/worker-5-tc1/source/Cargo.lock
       
       Caused by:
         No space left on device (os error 28)