[INFO] cloning repository https://github.com/j-brn/advent-of-code-2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/j-brn/advent-of-code-2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj-brn%2Fadvent-of-code-2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj-brn%2Fadvent-of-code-2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47b27f482e9c0725b77b7cbfb15a7d782606107e
[INFO] testing j-brn/advent-of-code-2019 against master#f9988fefd3add01f414f52b414308e7872622fee for pr-155114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj-brn%2Fadvent-of-code-2019" "/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/j-brn/advent-of-code-2019
[INFO] finished tweaking git repo https://github.com/j-brn/advent-of-code-2019
[INFO] tweaked toml for git repo https://github.com/j-brn/advent-of-code-2019 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/j-brn/advent-of-code-2019 on toolchain f9988fefd3add01f414f52b414308e7872622fee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/j-brn/advent-of-code-2019 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" "+f9988fefd3add01f414f52b414308e7872622fee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] warning: failed to write cache, path: /workspace/cargo-home/registry/index/index.crates.io-1949cf8c6b5b557f/.cache/ao/c-/aoc-runner-derive, error: No space left on device (os error 28)
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v0.4.30
[INFO] [stderr]   Downloaded quote v0.6.13
[INFO] [stderr]   Downloaded aoc-runner-derive v0.2.2
[INFO] [stderr]   Downloaded aoc-runner-internal v0.1.0
[INFO] [stderr]   Downloaded unicode-xid v0.2.0
[INFO] [stderr]   Downloaded syn v0.15.44
[INFO] [stderr] error: failed to unpack package `syn v0.15.44`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `syn-0.15.44/tests/debug/gen.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-0.15.44/tests/debug/gen.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `syn-0.15.44/tests/debug/gen.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-0.15.44/tests/debug/gen.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
       warning: failed to write cache, path: /workspace/cargo-home/registry/index/index.crates.io-1949cf8c6b5b557f/.cache/ao/c-/aoc-runner-derive, error: No space left on device (os error 28)
        Downloading crates ...
         Downloaded proc-macro2 v0.4.30
         Downloaded quote v0.6.13
         Downloaded aoc-runner-derive v0.2.2
         Downloaded aoc-runner-internal v0.1.0
         Downloaded unicode-xid v0.2.0
         Downloaded syn v0.15.44
       error: failed to unpack package `syn v0.15.44`
       
       Caused by:
         failed to unpack entry at `syn-0.15.44/tests/debug/gen.rs`
       
       Caused by:
         failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-0.15.44/tests/debug/gen.rs`
       
       Caused by:
         failed to unpack `syn-0.15.44/tests/debug/gen.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-0.15.44/tests/debug/gen.rs`
       
       Caused by:
         No space left on device (os error 28)