[INFO] cloning repository https://github.com/mark-i-m/snake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mark-i-m/snake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmark-i-m%2Fsnake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmark-i-m%2Fsnake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5823e47a3cea1efea8d7674a8e973a22862c358
[INFO] documenting mark-i-m/snake against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmark-i-m%2Fsnake" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mark-i-m/snake on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mark-i-m/snake
[INFO] finished tweaking git repo https://github.com/mark-i-m/snake
[INFO] tweaked toml for git repo https://github.com/mark-i-m/snake written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/mark-i-m/snake already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml v0.3.2
[INFO] [stderr]   Downloaded odds v0.2.25
[INFO] [stderr]   Downloaded num v0.1.39
[INFO] [stderr]   Downloaded gcc v0.3.51
[INFO] [stderr]   Downloaded num-complex v0.1.38
[INFO] [stderr]   Downloaded ncurses v5.86.0
[INFO] [stderr]   Downloaded owning_ref v0.2.4
[INFO] [stderr]   Downloaded serde v0.9.15
[INFO] [stderr]   Downloaded num-bigint v0.1.39
[INFO] [stderr]   Downloaded num-iter v0.1.33
[INFO] [stderr]   Downloaded num-integer v0.1.34
[INFO] [stderr]   Downloaded num-rational v0.1.38
[INFO] [stderr]   Downloaded libc v0.2.26
[INFO] [stderr]   Downloaded cursive v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 535d4b0426a751296344e0f857574f185d81b98a0c9d7e33904ca5fe1613108c
[INFO] running `Command { std: "docker" "start" "-a" "535d4b0426a751296344e0f857574f185d81b98a0c9d7e33904ca5fe1613108c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "535d4b0426a751296344e0f857574f185d81b98a0c9d7e33904ca5fe1613108c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "535d4b0426a751296344e0f857574f185d81b98a0c9d7e33904ca5fe1613108c", kill_on_drop: false }`
[INFO] [stdout] 535d4b0426a751296344e0f857574f185d81b98a0c9d7e33904ca5fe1613108c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdffd2ee1a8690db879b99affdfa5213555a7de0ff5b86ff4e0501181e129efb
[INFO] running `Command { std: "docker" "start" "-a" "cdffd2ee1a8690db879b99affdfa5213555a7de0ff5b86ff4e0501181e129efb", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.39
[INFO] [stderr]     Checking libc v0.2.26
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]    Compiling cursive v0.5.1
[INFO] [stderr]     Checking owning_ref v0.2.4
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking odds v0.2.25
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking num-integer v0.1.34
[INFO] [stderr]    Compiling ncurses v5.86.0
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking num-bigint v0.1.39
[INFO] [stderr]     Checking num-complex v0.1.38
[INFO] [stderr]     Checking num-rational v0.1.38
[INFO] [stderr]     Checking toml v0.3.2
[INFO] [stderr]     Checking num v0.1.39
[INFO] [stderr]  Documenting snake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.25s
[INFO] running `Command { std: "docker" "inspect" "cdffd2ee1a8690db879b99affdfa5213555a7de0ff5b86ff4e0501181e129efb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdffd2ee1a8690db879b99affdfa5213555a7de0ff5b86ff4e0501181e129efb", kill_on_drop: false }`
[INFO] [stdout] cdffd2ee1a8690db879b99affdfa5213555a7de0ff5b86ff4e0501181e129efb