[INFO] updating cached repository https://github.com/aligator/rust-snake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c0403ec6a49df226414f09bea10a8cc7118f3d1
[INFO] documenting aligator/rust-snake against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faligator%2Frust-snake" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aligator/rust-snake on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aligator/rust-snake
[INFO] finished tweaking git repo https://github.com/aligator/rust-snake
[INFO] tweaked toml for git repo https://github.com/aligator/rust-snake written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/aligator/rust-snake already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 41b1bba32dbb191346176a616e70d35b2fe8bfae60c2ac8c70e2b38138e55801
[INFO] running `Command { std: "docker" "start" "-a" "41b1bba32dbb191346176a616e70d35b2fe8bfae60c2ac8c70e2b38138e55801", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41b1bba32dbb191346176a616e70d35b2fe8bfae60c2ac8c70e2b38138e55801", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41b1bba32dbb191346176a616e70d35b2fe8bfae60c2ac8c70e2b38138e55801", kill_on_drop: false }`
[INFO] [stdout] 41b1bba32dbb191346176a616e70d35b2fe8bfae60c2ac8c70e2b38138e55801
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 571f83c690c0f29781cf17ca2fbb39ffa3f6e8974bf89d2fa4aa38c415c9bcc5
[INFO] running `Command { std: "docker" "start" "-a" "571f83c690c0f29781cf17ca2fbb39ffa3f6e8974bf89d2fa4aa38c415c9bcc5", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking crossterm_utils v0.3.1 (https://github.com/crossterm-rs/crossterm-utils.git#152cd562)
[INFO] [stderr]     Checking crossterm_screen v0.3.1 (https://github.com/crossterm-rs/crossterm-screen.git#929fb445)
[INFO] [stderr]     Checking crossterm_cursor v0.3.1 (https://github.com/crossterm-rs/crossterm-cursor.git#58b5ce9d)
[INFO] [stderr]     Checking crossterm_style v0.5.1 (https://github.com/crossterm-rs/crossterm-style.git#7e87cbc7)
[INFO] [stderr]     Checking crossterm_terminal v0.3.1 (https://github.com/crossterm-rs/crossterm-terminal.git#f70007c6)
[INFO] [stderr]     Checking crossterm_input v0.4.1 (https://github.com/crossterm-rs/crossterm-input.git#bb53032d)
[INFO] [stderr]     Checking crossterm v0.11.1 (https://github.com/crossterm-rs/crossterm.git#bed198a1)
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]  Documenting snake v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.90s
[INFO] running `Command { std: "docker" "inspect" "571f83c690c0f29781cf17ca2fbb39ffa3f6e8974bf89d2fa4aa38c415c9bcc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "571f83c690c0f29781cf17ca2fbb39ffa3f6e8974bf89d2fa4aa38c415c9bcc5", kill_on_drop: false }`
[INFO] [stdout] 571f83c690c0f29781cf17ca2fbb39ffa3f6e8974bf89d2fa4aa38c415c9bcc5