[INFO] cloning repository https://github.com/nate-sys/muc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nate-sys/muc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnate-sys%2Fmuc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnate-sys%2Fmuc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d8336bc2f387c79b33c87cf2aba28d3c93486af2
[INFO] checking nate-sys/muc against master#ed141926048597e3649bb238ca3dc417904cd56c for pr-134300
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnate-sys%2Fmuc" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nate-sys/muc on toolchain ed141926048597e3649bb238ca3dc417904cd56c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed141926048597e3649bb238ca3dc417904cd56c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nate-sys/muc
[INFO] finished tweaking git repo https://github.com/nate-sys/muc
[INFO] tweaked toml for git repo https://github.com/nate-sys/muc written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nate-sys/muc 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" "+ed141926048597e3649bb238ca3dc417904cd56c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utf8_slice v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ed141926048597e3649bb238ca3dc417904cd56c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a1fe7c42464bebabf484904ae8fe39d342e81cc1d072cd21d49c8807bf81b1d
[INFO] running `Command { std: "docker" "start" "-a" "4a1fe7c42464bebabf484904ae8fe39d342e81cc1d072cd21d49c8807bf81b1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a1fe7c42464bebabf484904ae8fe39d342e81cc1d072cd21d49c8807bf81b1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a1fe7c42464bebabf484904ae8fe39d342e81cc1d072cd21d49c8807bf81b1d", kill_on_drop: false }`
[INFO] [stdout] 4a1fe7c42464bebabf484904ae8fe39d342e81cc1d072cd21d49c8807bf81b1d


ExecutionFailed(ExitStatus(unix_wait_status(256)))