[INFO] cloning repository https://github.com/imamsobirin1980/kflow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imamsobirin1980/kflow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimamsobirin1980%2Fkflow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimamsobirin1980%2Fkflow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b4d87b60f44ed3a63ee7a497da7ef6701ae7ad2
[INFO] testing imamsobirin1980/kflow against 1.95.0 for beta-1.96-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimamsobirin1980%2Fkflow" "/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/imamsobirin1980/kflow
[INFO] finished tweaking git repo https://github.com/imamsobirin1980/kflow
[INFO] tweaked toml for git repo https://github.com/imamsobirin1980/kflow written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/imamsobirin1980/kflow on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/imamsobirin1980/kflow 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[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 proc-macro2 v1.0.103
[INFO] [stderr] error: failed to unpack package `proc-macro2 v1.0.103`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `proc-macro2-1.0.103/Cargo.lock`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.103/Cargo.lock`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `proc-macro2-1.0.103/Cargo.lock` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.103/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
       
       warning: only one of `license` or `license-file` is necessary
       `license` should be used if the package license can be expressed with a standard SPDX expression.
       `license-file` should be used if the package uses a non-standard license.
       See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
           Blocking waiting for file lock on package cache
           Updating crates.io index
           Blocking waiting for file lock on package cache
        Downloading crates ...
         Downloaded proc-macro2 v1.0.103
       error: failed to unpack package `proc-macro2 v1.0.103`
       
       Caused by:
         failed to unpack entry at `proc-macro2-1.0.103/Cargo.lock`
       
       Caused by:
         failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.103/Cargo.lock`
       
       Caused by:
         failed to unpack `proc-macro2-1.0.103/Cargo.lock` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.103/Cargo.lock`
       
       Caused by:
         No space left on device (os error 28)