[INFO] fetching crate cairo-lang-lowering 2.12.0-rc.2...
[INFO] checking cairo-lang-lowering-2.12.0-rc.2 against try#c4ca24658d934444a28db36abebef17a8651701a for pr-144156
[INFO] extracting crate cairo-lang-lowering 2.12.0-rc.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate cairo-lang-lowering 2.12.0-rc.2
[INFO] finished tweaking crates.io crate cairo-lang-lowering 2.12.0-rc.2
[INFO] tweaked toml for crates.io crate cairo-lang-lowering 2.12.0-rc.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cairo-lang-lowering 2.12.0-rc.2 on toolchain c4ca24658d934444a28db36abebef17a8651701a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c4ca24658d934444a28db36abebef17a8651701a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cairo-lang-lowering 2.12.0-rc.2 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" "+c4ca24658d934444a28db36abebef17a8651701a" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+c4ca24658d934444a28db36abebef17a8651701a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1fd38005e929cff80b0882680280ce9d0ea4087bceee6461fdc0dd9c7ee59c7
[INFO] running `Command { std: "docker" "start" "-a" "a1fd38005e929cff80b0882680280ce9d0ea4087bceee6461fdc0dd9c7ee59c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1fd38005e929cff80b0882680280ce9d0ea4087bceee6461fdc0dd9c7ee59c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1fd38005e929cff80b0882680280ce9d0ea4087bceee6461fdc0dd9c7ee59c7", kill_on_drop: false }`
[INFO] [stdout] a1fd38005e929cff80b0882680280ce9d0ea4087bceee6461fdc0dd9c7ee59c7
[INFO] checking cairo-lang-lowering-2.12.0-rc.2 against try#c4ca24658d934444a28db36abebef17a8651701a for pr-144156
[INFO] extracting crate cairo-lang-lowering 2.12.0-rc.2 into /workspace/builds/worker-3-tc2/source
[INFO] checking cairo-lang-lowering-2.12.0-rc.2 against try#c4ca24658d934444a28db36abebef17a8651701a for pr-144156
[INFO] extracting crate cairo-lang-lowering 2.12.0-rc.2 into /workspace/builds/worker-3-tc2/source
[INFO] checking cairo-lang-lowering-2.12.0-rc.2 against try#c4ca24658d934444a28db36abebef17a8651701a for pr-144156
[INFO] extracting crate cairo-lang-lowering 2.12.0-rc.2 into /workspace/builds/worker-3-tc2/source
[INFO] checking cairo-lang-lowering-2.12.0-rc.2 against try#c4ca24658d934444a28db36abebef17a8651701a for pr-144156
[INFO] extracting crate cairo-lang-lowering 2.12.0-rc.2 into /workspace/builds/worker-3-tc2/source


unable to download cairo-lang-lowering version 2.12.0-rc.2

Caused by:
    0: failed to unpack `cairo-lang-lowering-2.12.0-rc.2/src/optimizations/return_optimization.rs` into `/workspace/builds/worker-3-tc2/source/src/optimizations/return_optimization.rs`
    1: No space left on device (os error 28)