[INFO] cloning repository https://github.com/10mone/practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/10mone/practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F10mone%2Fpractice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F10mone%2Fpractice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3bfa1fd5fe7568407a59fb3e3db9f57b9a13705d
[INFO] documenting 10mone/practice 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%2F10mone%2Fpractice" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/10mone/practice 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/10mone/practice
[INFO] finished tweaking git repo https://github.com/10mone/practice
[INFO] tweaked toml for git repo https://github.com/10mone/practice written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/10mone/practice 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 1c9d5c798374ceb215052e05d204b8081cd268153da0b33d5b8b25ba3cc75143
[INFO] running `Command { std: "docker" "start" "-a" "1c9d5c798374ceb215052e05d204b8081cd268153da0b33d5b8b25ba3cc75143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c9d5c798374ceb215052e05d204b8081cd268153da0b33d5b8b25ba3cc75143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c9d5c798374ceb215052e05d204b8081cd268153da0b33d5b8b25ba3cc75143", kill_on_drop: false }`
[INFO] [stdout] 1c9d5c798374ceb215052e05d204b8081cd268153da0b33d5b8b25ba3cc75143
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] fc4a2cae417f1c79674f599b9e7da44de45c2d56f971682455cfff12e365e4ac
[INFO] running `Command { std: "docker" "start" "-a" "fc4a2cae417f1c79674f599b9e7da44de45c2d56f971682455cfff12e365e4ac", kill_on_drop: false }`
[INFO] [stderr]  Documenting practice1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "fc4a2cae417f1c79674f599b9e7da44de45c2d56f971682455cfff12e365e4ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc4a2cae417f1c79674f599b9e7da44de45c2d56f971682455cfff12e365e4ac", kill_on_drop: false }`
[INFO] [stdout] fc4a2cae417f1c79674f599b9e7da44de45c2d56f971682455cfff12e365e4ac