[INFO] cloning repository https://github.com/hornbbyprojects/prediction
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hornbbyprojects/prediction" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhornbbyprojects%2Fprediction", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhornbbyprojects%2Fprediction'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b4bdde68ea2a6ef1eb5c8cb36539e116f2bf03a0
[INFO] testing hornbbyprojects/prediction against master#562dee4820c458d823175268e41601d4c060588a for pr-154210
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhornbbyprojects%2Fprediction" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hornbbyprojects/prediction
[INFO] finished tweaking git repo https://github.com/hornbbyprojects/prediction
[INFO] tweaked toml for git repo https://github.com/hornbbyprojects/prediction written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hornbbyprojects/prediction 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/hornbbyprojects/prediction 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded version-compare v0.1.1
[INFO] [stderr]   Downloaded cfg-if v1.0.0
[INFO] [stderr]   Downloaded bitflags v1.3.2
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded rustc_version v0.4.0
[INFO] [stderr]   Downloaded convert_case v0.4.0
[INFO] [stderr]   Downloaded rand_chacha v0.3.1
[INFO] [stderr]   Downloaded c_vec v2.0.0
[INFO] [stderr]   Downloaded semver v1.0.18
[INFO] [stderr]   Downloaded quote v1.0.31
[INFO] [stderr]   Downloaded byteorder v1.4.3
[INFO] [stderr]   Downloaded unicode-ident v1.0.11
[INFO] [stderr] error: failed to unpack package `unicode-ident v1.0.11`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `unicode-ident-1.0.11/src/tables.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/unicode-ident-1.0.11/src/tables.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `unicode-ident-1.0.11/src/tables.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/unicode-ident-1.0.11/src/tables.rs`
[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
           Blocking waiting for file lock on package cache
        Downloading crates ...
         Downloaded version-compare v0.1.1
         Downloaded cfg-if v1.0.0
         Downloaded bitflags v1.3.2
         Downloaded lazy_static v1.4.0
         Downloaded rustc_version v0.4.0
         Downloaded convert_case v0.4.0
         Downloaded rand_chacha v0.3.1
         Downloaded c_vec v2.0.0
         Downloaded semver v1.0.18
         Downloaded quote v1.0.31
         Downloaded byteorder v1.4.3
         Downloaded unicode-ident v1.0.11
       error: failed to unpack package `unicode-ident v1.0.11`
       
       Caused by:
         failed to unpack entry at `unicode-ident-1.0.11/src/tables.rs`
       
       Caused by:
         failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/unicode-ident-1.0.11/src/tables.rs`
       
       Caused by:
         failed to unpack `unicode-ident-1.0.11/src/tables.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/unicode-ident-1.0.11/src/tables.rs`
       
       Caused by:
         No space left on device (os error 28)