[INFO] cloning repository https://github.com/herojan/json-echo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/herojan/json-echo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fherojan%2Fjson-echo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fherojan%2Fjson-echo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 133815a921e1fc26a5e9d20fc3a046d05115fcb8
[INFO] testing herojan/json-echo against 1.97.0-beta.6 for beta-1.98-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fherojan%2Fjson-echo" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/herojan/json-echo
[INFO] finished tweaking git repo https://github.com/herojan/json-echo
[INFO] tweaked toml for git repo https://github.com/herojan/json-echo written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/herojan/json-echo on toolchain 1.97.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/herojan/json-echo 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" "+1.97.0-beta.6" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-futures v0.2.4
[INFO] [stderr]   Downloaded urlencoding v1.1.1
[INFO] [stderr]   Downloaded tracing-core v0.1.14
[INFO] [stderr] error: failed to unpack package `tracing-core v0.1.14`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `tracing-core-0.1.14/src/callsite.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-core-0.1.14/src/callsite.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `tracing-core-0.1.14/src/callsite.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-core-0.1.14/src/callsite.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
       
           Blocking waiting for file lock on package cache
           Updating crates.io index
           Blocking waiting for file lock on package cache
        Downloading crates ...
         Downloaded tracing-futures v0.2.4
         Downloaded urlencoding v1.1.1
         Downloaded tracing-core v0.1.14
       error: failed to unpack package `tracing-core v0.1.14`
       
       Caused by:
         failed to unpack entry at `tracing-core-0.1.14/src/callsite.rs`
       
       Caused by:
         failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-core-0.1.14/src/callsite.rs`
       
       Caused by:
         failed to unpack `tracing-core-0.1.14/src/callsite.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-core-0.1.14/src/callsite.rs`
       
       Caused by:
         No space left on device (os error 28)