[INFO] cloning repository https://github.com/ollij93/rusty-brainfuck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ollij93/rusty-brainfuck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Follij93%2Frusty-brainfuck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Follij93%2Frusty-brainfuck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 971e17ad7d605ac00295bcc36607908a9b42f787
[INFO] documenting ollij93/rusty-brainfuck 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%2Follij93%2Frusty-brainfuck" "/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/ollij93/rusty-brainfuck 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/ollij93/rusty-brainfuck
[INFO] finished tweaking git repo https://github.com/ollij93/rusty-brainfuck
[INFO] tweaked toml for git repo https://github.com/ollij93/rusty-brainfuck written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/ollij93/rusty-brainfuck 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] 7d355c5d4cf7d5d4ee07a332c1a04c835902d674b3901f0839e7dd4c6430f560
[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" "7d355c5d4cf7d5d4ee07a332c1a04c835902d674b3901f0839e7dd4c6430f560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d355c5d4cf7d5d4ee07a332c1a04c835902d674b3901f0839e7dd4c6430f560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d355c5d4cf7d5d4ee07a332c1a04c835902d674b3901f0839e7dd4c6430f560", kill_on_drop: false }`
[INFO] [stdout] 7d355c5d4cf7d5d4ee07a332c1a04c835902d674b3901f0839e7dd4c6430f560
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 598151995f5caeefbbc80fa378ec5336d59922c91224fc12206cbf9e6ecd468e
[INFO] running `Command { std: "docker" "start" "-a" "598151995f5caeefbbc80fa378ec5336d59922c91224fc12206cbf9e6ecd468e", kill_on_drop: false }`
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]  Documenting rbf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.05s
[INFO] running `Command { std: "docker" "inspect" "598151995f5caeefbbc80fa378ec5336d59922c91224fc12206cbf9e6ecd468e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "598151995f5caeefbbc80fa378ec5336d59922c91224fc12206cbf9e6ecd468e", kill_on_drop: false }`
[INFO] [stdout] 598151995f5caeefbbc80fa378ec5336d59922c91224fc12206cbf9e6ecd468e