[INFO] cloning repository https://github.com/davidarmstronglewis/dingus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidarmstronglewis/dingus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidarmstronglewis%2Fdingus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidarmstronglewis%2Fdingus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 414197f35e994d505195f21582383181da046ee8
[INFO] documenting davidarmstronglewis/dingus 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%2Fdavidarmstronglewis%2Fdingus" "/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/davidarmstronglewis/dingus 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/davidarmstronglewis/dingus
[INFO] finished tweaking git repo https://github.com/davidarmstronglewis/dingus
[INFO] tweaked toml for git repo https://github.com/davidarmstronglewis/dingus written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/davidarmstronglewis/dingus 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]  Downloading crates ...
[INFO] [stderr]   Downloaded nix v0.13.0
[INFO] [stderr]   Downloaded syn v0.15.25
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 497b6fc2521252838cd08738a9146e489937539c021f6543a6e4b27002daa0b3
[INFO] running `Command { std: "docker" "start" "-a" "497b6fc2521252838cd08738a9146e489937539c021f6543a6e4b27002daa0b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "497b6fc2521252838cd08738a9146e489937539c021f6543a6e4b27002daa0b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "497b6fc2521252838cd08738a9146e489937539c021f6543a6e4b27002daa0b3", kill_on_drop: false }`
[INFO] [stdout] 497b6fc2521252838cd08738a9146e489937539c021f6543a6e4b27002daa0b3
[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" "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] 62b2c80b4c0c11c84bab1c0e65a4466e3d7caaea991344f6f19debaeab6de70b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "62b2c80b4c0c11c84bab1c0e65a4466e3d7caaea991344f6f19debaeab6de70b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.47
[INFO] [stderr]    Compiling serde v1.0.85
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]    Compiling syn v0.15.25
[INFO] [stderr]     Checking yaml-rust v0.4.2
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking backtrace-sys v0.1.24
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]     Checking serde_yaml v0.8.8
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]  Documenting dingus v0.5.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.08s
[INFO] running `Command { std: "docker" "inspect" "62b2c80b4c0c11c84bab1c0e65a4466e3d7caaea991344f6f19debaeab6de70b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62b2c80b4c0c11c84bab1c0e65a4466e3d7caaea991344f6f19debaeab6de70b", kill_on_drop: false }`
[INFO] [stdout] 62b2c80b4c0c11c84bab1c0e65a4466e3d7caaea991344f6f19debaeab6de70b