[INFO] cloning repository https://github.com/hmanuel13/rust_hello_world
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hmanuel13/rust_hello_world" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhmanuel13%2Frust_hello_world", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhmanuel13%2Frust_hello_world'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30cca676e8fce93e5098c66536e32a0549b721c6
[INFO] documenting hmanuel13/rust_hello_world 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%2Fhmanuel13%2Frust_hello_world" "/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/hmanuel13/rust_hello_world 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/hmanuel13/rust_hello_world
[INFO] finished tweaking git repo https://github.com/hmanuel13/rust_hello_world
[INFO] tweaked toml for git repo https://github.com/hmanuel13/rust_hello_world written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/hmanuel13/rust_hello_world 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] 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] [stdout] 7745ce09bdb3bc07ca44fa72272bbcf4fe38955cf6796619123a7ee2851fc9a5
[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" "7745ce09bdb3bc07ca44fa72272bbcf4fe38955cf6796619123a7ee2851fc9a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7745ce09bdb3bc07ca44fa72272bbcf4fe38955cf6796619123a7ee2851fc9a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7745ce09bdb3bc07ca44fa72272bbcf4fe38955cf6796619123a7ee2851fc9a5", kill_on_drop: false }`
[INFO] [stdout] 7745ce09bdb3bc07ca44fa72272bbcf4fe38955cf6796619123a7ee2851fc9a5
[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] 26539c2d45792c2c581e6081915ea226c53e8c0a71f6f17100855b44265c008c
[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" "26539c2d45792c2c581e6081915ea226c53e8c0a71f6f17100855b44265c008c", kill_on_drop: false }`
[INFO] [stderr]  Documenting hello_world v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "26539c2d45792c2c581e6081915ea226c53e8c0a71f6f17100855b44265c008c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26539c2d45792c2c581e6081915ea226c53e8c0a71f6f17100855b44265c008c", kill_on_drop: false }`
[INFO] [stdout] 26539c2d45792c2c581e6081915ea226c53e8c0a71f6f17100855b44265c008c