[INFO] cloning repository https://github.com/huyphung1602/rustlings-solutions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/huyphung1602/rustlings-solutions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuyphung1602%2Frustlings-solutions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuyphung1602%2Frustlings-solutions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed5452206e62ca13bdc8df53e8b08935f3a4d2f5
[INFO] testing huyphung1602/rustlings-solutions against master#562dee4820c458d823175268e41601d4c060588a for pr-154210
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuyphung1602%2Frustlings-solutions" "/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/huyphung1602/rustlings-solutions
[INFO] finished tweaking git repo https://github.com/huyphung1602/rustlings-solutions
[INFO] tweaked toml for git repo https://github.com/huyphung1602/rustlings-solutions written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/huyphung1602/rustlings-solutions 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/huyphung1602/rustlings-solutions 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] warning: failed to write cache, path: /workspace/cargo-home/registry/index/index.crates.io-1949cf8c6b5b557f/.cache/co/ns/console, error: No space left on device (os error 28)
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utf8-ranges v1.0.2
[INFO] [stderr]   Downloaded unicode-xid v0.1.0
[INFO] [stderr]   Downloaded proc-macro2 v0.4.30
[INFO] [stderr] error: failed to unpack package `proc-macro2 v0.4.30`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `proc-macro2-0.4.30/tests/marker.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-0.4.30/tests/marker.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `proc-macro2-0.4.30/tests/marker.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-0.4.30/tests/marker.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
       warning: failed to write cache, path: /workspace/cargo-home/registry/index/index.crates.io-1949cf8c6b5b557f/.cache/co/ns/console, error: No space left on device (os error 28)
           Blocking waiting for file lock on package cache
        Downloading crates ...
         Downloaded utf8-ranges v1.0.2
         Downloaded unicode-xid v0.1.0
         Downloaded proc-macro2 v0.4.30
       error: failed to unpack package `proc-macro2 v0.4.30`
       
       Caused by:
         failed to unpack entry at `proc-macro2-0.4.30/tests/marker.rs`
       
       Caused by:
         failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-0.4.30/tests/marker.rs`
       
       Caused by:
         failed to unpack `proc-macro2-0.4.30/tests/marker.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-0.4.30/tests/marker.rs`
       
       Caused by:
         No space left on device (os error 28)