[INFO] cloning repository https://github.com/realbogart/rust_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/realbogart/rust_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frealbogart%2Frust_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frealbogart%2Frust_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9c38eaeb09ac147a64817ea74a2a319fc5351b8
[INFO] documenting realbogart/rust_test against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frealbogart%2Frust_test" "/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/realbogart/rust_test on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/realbogart/rust_test
[INFO] finished tweaking git repo https://github.com/realbogart/rust_test
[INFO] tweaked toml for git repo https://github.com/realbogart/rust_test written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/realbogart/rust_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded same-file v1.0.0
[INFO] [stderr]   Downloaded walkdir v2.0.1
[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" "+beta-2020-08-29" "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] a705f883998fcfb585c0693555c86dfd4a40ed72106dffe8f462573ac16f06eb
[INFO] running `Command { std: "docker" "start" "-a" "a705f883998fcfb585c0693555c86dfd4a40ed72106dffe8f462573ac16f06eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a705f883998fcfb585c0693555c86dfd4a40ed72106dffe8f462573ac16f06eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a705f883998fcfb585c0693555c86dfd4a40ed72106dffe8f462573ac16f06eb", kill_on_drop: false }`
[INFO] [stdout] a705f883998fcfb585c0693555c86dfd4a40ed72106dffe8f462573ac16f06eb
[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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adf2320970f49cdc35cd4c0a19c72b9aee98bf8d8058ebfbf0850cb9c1dce758
[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" "adf2320970f49cdc35cd4c0a19c72b9aee98bf8d8058ebfbf0850cb9c1dce758", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]     Checking same-file v1.0.0
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking walkdir v2.0.1
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking regex v0.2.3
[INFO] [stderr]  Documenting countlines v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.30s
[INFO] running `Command { std: "docker" "inspect" "adf2320970f49cdc35cd4c0a19c72b9aee98bf8d8058ebfbf0850cb9c1dce758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adf2320970f49cdc35cd4c0a19c72b9aee98bf8d8058ebfbf0850cb9c1dce758", kill_on_drop: false }`
[INFO] [stdout] adf2320970f49cdc35cd4c0a19c72b9aee98bf8d8058ebfbf0850cb9c1dce758