[INFO] cloning repository https://github.com/ianprogrammer/rcoin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ianprogrammer/rcoin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianprogrammer%2Frcoin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianprogrammer%2Frcoin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 97574bbd7230bd96f27d0bd1abeb2fc7c5c711b6
[INFO] building ianprogrammer/rcoin against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianprogrammer%2Frcoin" "/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/ianprogrammer/rcoin 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 git repo https://github.com/ianprogrammer/rcoin
[INFO] finished tweaking git repo https://github.com/ianprogrammer/rcoin
[INFO] tweaked toml for git repo https://github.com/ianprogrammer/rcoin written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ianprogrammer/rcoin 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] [stderr]     Blocking waiting for file lock on package cache
[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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a363c1746d25fbc849fcee1d49d193b1e49ea671a7251d9a0de20a4eb65683b0
[INFO] running `Command { std: "docker" "start" "-a" "a363c1746d25fbc849fcee1d49d193b1e49ea671a7251d9a0de20a4eb65683b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a363c1746d25fbc849fcee1d49d193b1e49ea671a7251d9a0de20a4eb65683b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a363c1746d25fbc849fcee1d49d193b1e49ea671a7251d9a0de20a4eb65683b0", kill_on_drop: false }`
[INFO] [stdout] a363c1746d25fbc849fcee1d49d193b1e49ea671a7251d9a0de20a4eb65683b0


ExecutionFailed(ExitStatus(unix_wait_status(256)))