[INFO] cloning repository https://github.com/jeremymeadows/steganosaurus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeremymeadows/steganosaurus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremymeadows%2Fsteganosaurus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremymeadows%2Fsteganosaurus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5ac5528b94214eaa63f21e2fb4bc64cee925251f
[INFO] documenting jeremymeadows/steganosaurus against master#d7d9f15be205b45d44700e7ac33b4f79b91f9680 for pr-117450
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremymeadows%2Fsteganosaurus" "/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/jeremymeadows/steganosaurus on toolchain d7d9f15be205b45d44700e7ac33b4f79b91f9680
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7d9f15be205b45d44700e7ac33b4f79b91f9680" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jeremymeadows/steganosaurus
[INFO] finished tweaking git repo https://github.com/jeremymeadows/steganosaurus
[INFO] tweaked toml for git repo https://github.com/jeremymeadows/steganosaurus written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jeremymeadows/steganosaurus 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" "+d7d9f15be205b45d44700e7ac33b4f79b91f9680" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d7d9f15be205b45d44700e7ac33b4f79b91f9680" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7f077eb29b1ce222cf41dddfa3c287cd08c3fffd3ea293c7cfc9a8ab7df18e3
[INFO] running `Command { std: "docker" "start" "-a" "b7f077eb29b1ce222cf41dddfa3c287cd08c3fffd3ea293c7cfc9a8ab7df18e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7f077eb29b1ce222cf41dddfa3c287cd08c3fffd3ea293c7cfc9a8ab7df18e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7f077eb29b1ce222cf41dddfa3c287cd08c3fffd3ea293c7cfc9a8ab7df18e3", kill_on_drop: false }`
[INFO] [stdout] b7f077eb29b1ce222cf41dddfa3c287cd08c3fffd3ea293c7cfc9a8ab7df18e3
[ERROR] this task or one of its parent failed!
[ERROR] command failed: exit status: 1
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.