[INFO] cloning repository https://github.com/clbarnes/recursum
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/clbarnes/recursum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclbarnes%2Frecursum", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclbarnes%2Frecursum'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e464cd877953b8d1ebe3eab13763da7572f75f1b
[INFO] documenting clbarnes/recursum against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclbarnes%2Frecursum" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/clbarnes/recursum on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/clbarnes/recursum
[INFO] finished tweaking git repo https://github.com/clbarnes/recursum
[INFO] tweaked toml for git repo https://github.com/clbarnes/recursum written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/clbarnes/recursum already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e2953ebced9e66e3b004c56f1fe61823fde8acd2d4c3d30f553001a95a549a8
[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" "9e2953ebced9e66e3b004c56f1fe61823fde8acd2d4c3d30f553001a95a549a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e2953ebced9e66e3b004c56f1fe61823fde8acd2d4c3d30f553001a95a549a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e2953ebced9e66e3b004c56f1fe61823fde8acd2d4c3d30f553001a95a549a8", kill_on_drop: false }`
[INFO] [stdout] 9e2953ebced9e66e3b004c56f1fe61823fde8acd2d4c3d30f553001a95a549a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "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] 038b925e49e6d76d45bb031968de2e59aef16b661dbbe020e6c8cec33769b814
[INFO] running `Command { std: "docker" "start" "-a" "038b925e49e6d76d45bb031968de2e59aef16b661dbbe020e6c8cec33769b814", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling meowhash v0.3.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling generic-array v0.14.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking jwalk v0.5.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]  Documenting recursum v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.71s
[INFO] running `Command { std: "docker" "inspect" "038b925e49e6d76d45bb031968de2e59aef16b661dbbe020e6c8cec33769b814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "038b925e49e6d76d45bb031968de2e59aef16b661dbbe020e6c8cec33769b814", kill_on_drop: false }`
[INFO] [stdout] 038b925e49e6d76d45bb031968de2e59aef16b661dbbe020e6c8cec33769b814