[INFO] cloning repository https://github.com/Ven0my/rustlang_tut
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ven0my/rustlang_tut" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVen0my%2Frustlang_tut", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVen0my%2Frustlang_tut'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7a48d5dc94af3c2be1137388408bebace39df0e1
[INFO] documenting Ven0my/rustlang_tut 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%2FVen0my%2Frustlang_tut" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ven0my/rustlang_tut 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/Ven0my/rustlang_tut
[INFO] finished tweaking git repo https://github.com/Ven0my/rustlang_tut
[INFO] tweaked toml for git repo https://github.com/Ven0my/rustlang_tut written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Ven0my/rustlang_tut 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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 47513c1a46f18372b8cf42cda93f908d24e129fc6d6fa19f9a1ddc7d6ae1564e
[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" "47513c1a46f18372b8cf42cda93f908d24e129fc6d6fa19f9a1ddc7d6ae1564e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47513c1a46f18372b8cf42cda93f908d24e129fc6d6fa19f9a1ddc7d6ae1564e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47513c1a46f18372b8cf42cda93f908d24e129fc6d6fa19f9a1ddc7d6ae1564e", kill_on_drop: false }`
[INFO] [stdout] 47513c1a46f18372b8cf42cda93f908d24e129fc6d6fa19f9a1ddc7d6ae1564e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 65c7f1454b9aadc0b4caa08fd7b15b1165b890be951bf1ca0a8164850e8a725d
[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" "65c7f1454b9aadc0b4caa08fd7b15b1165b890be951bf1ca0a8164850e8a725d", kill_on_drop: false }`
[INFO] [stderr]  Documenting rustlang_tut v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "65c7f1454b9aadc0b4caa08fd7b15b1165b890be951bf1ca0a8164850e8a725d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65c7f1454b9aadc0b4caa08fd7b15b1165b890be951bf1ca0a8164850e8a725d", kill_on_drop: false }`
[INFO] [stdout] 65c7f1454b9aadc0b4caa08fd7b15b1165b890be951bf1ca0a8164850e8a725d