[INFO] cloning repository https://github.com/songzhi/codedigger
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/songzhi/codedigger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsongzhi%2Fcodedigger", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsongzhi%2Fcodedigger'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34d32df14a3c3819febbe374854a01b93d6aa93f
[INFO] documenting songzhi/codedigger 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%2Fsongzhi%2Fcodedigger" "/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/songzhi/codedigger 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/songzhi/codedigger
[INFO] finished tweaking git repo https://github.com/songzhi/codedigger
[INFO] tweaked toml for git repo https://github.com/songzhi/codedigger written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/songzhi/codedigger 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] 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] 080b14d4aa978f19b9bdb77f408c1544f379aa72b81e66d12028622d1e1f5241
[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" "080b14d4aa978f19b9bdb77f408c1544f379aa72b81e66d12028622d1e1f5241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "080b14d4aa978f19b9bdb77f408c1544f379aa72b81e66d12028622d1e1f5241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "080b14d4aa978f19b9bdb77f408c1544f379aa72b81e66d12028622d1e1f5241", kill_on_drop: false }`
[INFO] [stdout] 080b14d4aa978f19b9bdb77f408c1544f379aa72b81e66d12028622d1e1f5241
[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] [stdout] f5e99eed18060cae51537a0742267259cd8f563fc4adb6b36098333ae7dff15a
[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" "f5e99eed18060cae51537a0742267259cd8f563fc4adb6b36098333ae7dff15a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.83
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking clicolors-control v1.0.0
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]     Checking rand v0.6.1
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking parking_lot v0.7.0
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.83
[INFO] [stderr]     Checking console v0.7.2
[INFO] [stderr]     Checking indicatif v0.11.0
[INFO] [stderr]     Checking serde_json v1.0.32
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]  Documenting codedigger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.46s
[INFO] running `Command { std: "docker" "inspect" "f5e99eed18060cae51537a0742267259cd8f563fc4adb6b36098333ae7dff15a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5e99eed18060cae51537a0742267259cd8f563fc4adb6b36098333ae7dff15a", kill_on_drop: false }`
[INFO] [stdout] f5e99eed18060cae51537a0742267259cd8f563fc4adb6b36098333ae7dff15a