[INFO] fetching crate serser_derive 0.1.0...
[INFO] testing serser_derive-0.1.0 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739
[INFO] extracting crate serser_derive 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate serser_derive 0.1.0
[INFO] finished tweaking crates.io crate serser_derive 0.1.0
[INFO] tweaked toml for crates.io crate serser_derive 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serser_derive 0.1.0 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "generate-lockfile" "--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]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-ident v1.0.24
[INFO] [stderr] error: failed to unpack package `unicode-ident v1.0.24`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `unicode-ident-1.0.24/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-1.0.24/src/tables.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `unicode-ident-1.0.24/src/tables.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/unicode-ident-1.0.24/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
       
           Blocking waiting for file lock on package cache
           Blocking waiting for file lock on package cache
        Downloading crates ...
         Downloaded unicode-ident v1.0.24
       error: failed to unpack package `unicode-ident v1.0.24`
       
       Caused by:
         failed to unpack entry at `unicode-ident-1.0.24/src/tables.rs`
       
       Caused by:
         failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/unicode-ident-1.0.24/src/tables.rs`
       
       Caused by:
         failed to unpack `unicode-ident-1.0.24/src/tables.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/unicode-ident-1.0.24/src/tables.rs`
       
       Caused by:
         No space left on device (os error 28)