[INFO] fetching crate megatron 0.1.0...
[INFO] checking megatron-0.1.0 against master#8e37e151835d96d6a7415e93e6876561485a3354 for pr-134218
[INFO] extracting crate megatron 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate megatron 0.1.0 on toolchain 8e37e151835d96d6a7415e93e6876561485a3354
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8e37e151835d96d6a7415e93e6876561485a3354" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate megatron 0.1.0
[INFO] finished tweaking crates.io crate megatron 0.1.0
[INFO] tweaked toml for crates.io crate megatron 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8e37e151835d96d6a7415e93e6876561485a3354" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8e37e151835d96d6a7415e93e6876561485a3354" "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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+8e37e151835d96d6a7415e93e6876561485a3354" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1431a37da1ae642705ad651555bb5a5c9a8c6417e5c1795effb442aee2789c49
[INFO] running `Command { std: "docker" "start" "-a" "1431a37da1ae642705ad651555bb5a5c9a8c6417e5c1795effb442aee2789c49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1431a37da1ae642705ad651555bb5a5c9a8c6417e5c1795effb442aee2789c49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1431a37da1ae642705ad651555bb5a5c9a8c6417e5c1795effb442aee2789c49", kill_on_drop: false }`
[INFO] [stdout] 1431a37da1ae642705ad651555bb5a5c9a8c6417e5c1795effb442aee2789c49


ExecutionFailed(ExitStatus(unix_wait_status(256)))