[INFO] fetching crate btrfs-usage-monitor 0.1.2...
[INFO] building btrfs-usage-monitor-0.1.2 against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216
[INFO] extracting crate btrfs-usage-monitor 0.1.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate btrfs-usage-monitor 0.1.2 on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate btrfs-usage-monitor 0.1.2
[INFO] finished tweaking crates.io crate btrfs-usage-monitor 0.1.2
[INFO] tweaked toml for crates.io crate btrfs-usage-monitor 0.1.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate btrfs-usage-monitor 0.1.2 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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2667d9bd600c2d44ea1b1a784bdaf851c8129ca2df2e0d6c4c75f037e6d47e48
[INFO] running `Command { std: "docker" "start" "-a" "2667d9bd600c2d44ea1b1a784bdaf851c8129ca2df2e0d6c4c75f037e6d47e48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2667d9bd600c2d44ea1b1a784bdaf851c8129ca2df2e0d6c4c75f037e6d47e48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2667d9bd600c2d44ea1b1a784bdaf851c8129ca2df2e0d6c4c75f037e6d47e48", kill_on_drop: false }`
[INFO] [stdout] 2667d9bd600c2d44ea1b1a784bdaf851c8129ca2df2e0d6c4c75f037e6d47e48


ExecutionFailed(ExitStatus(unix_wait_status(256)))