[INFO] cloning repository https://github.com/skinny121/kakapo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skinny121/kakapo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskinny121%2Fkakapo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskinny121%2Fkakapo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8262d5b270414e36d0388df5a29d8afbf17a12e7
[INFO] checking skinny121/kakapo against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskinny121%2Fkakapo" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/skinny121/kakapo on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/skinny121/kakapo
[INFO] finished tweaking git repo https://github.com/skinny121/kakapo
[INFO] tweaked toml for git repo https://github.com/skinny121/kakapo written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/skinny121/kakapo 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded darling v0.10.3
[INFO] [stderr]   Downloaded shaderc v0.6.3
[INFO] [stderr]   Downloaded darling_macro v0.10.3
[INFO] [stderr]   Downloaded darling_core v0.10.3
[INFO] [stderr]   Downloaded spirv_cross v0.22.1
[INFO] [stderr]   Downloaded shaderc-sys v0.6.3
[INFO] [stderr] error: failed to unpack package `shaderc-sys v0.6.3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `shaderc-sys-0.6.3/build/spirv-tools/test/opt/simplification_test.cpp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/shaderc-sys-0.6.3/build/spirv-tools/test/opt/simplification_test.cpp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `shaderc-sys-0.6.3/build/spirv-tools/test/opt/simplification_test.cpp` into `/workspace/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/shaderc-sys-0.6.3/build/spirv-tools/test/opt/simplification_test.cpp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[ERROR] this task or one of its parent failed!
[ERROR] command failed: exit status: 101
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.