[INFO] fetching crate proc-caesar 1.1.0...
[INFO] building proc-caesar-1.1.0 against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] extracting crate proc-caesar 1.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] building proc-caesar-1.1.0 against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] extracting crate proc-caesar 1.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] building proc-caesar-1.1.0 against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] extracting crate proc-caesar 1.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] building proc-caesar-1.1.0 against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] extracting crate proc-caesar 1.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] building proc-caesar-1.1.0 against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] extracting crate proc-caesar 1.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate proc-caesar 1.1.0 on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate proc-caesar 1.1.0
[INFO] finished tweaking crates.io crate proc-caesar 1.1.0
[INFO] tweaked toml for crates.io crate proc-caesar 1.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate proc-caesar 1.1.0 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" "+334963c956d25708feab489a3816ae63f639355d" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7dbb925e465f893c1d85e39a26065081112aff47a9de6860541b9d13338d3362
[INFO] running `Command { std: "docker" "start" "-a" "7dbb925e465f893c1d85e39a26065081112aff47a9de6860541b9d13338d3362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dbb925e465f893c1d85e39a26065081112aff47a9de6860541b9d13338d3362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dbb925e465f893c1d85e39a26065081112aff47a9de6860541b9d13338d3362", kill_on_drop: false }`
[INFO] [stdout] 7dbb925e465f893c1d85e39a26065081112aff47a9de6860541b9d13338d3362


ExecutionFailed(ExitStatus(unix_wait_status(256)))