[INFO] cloning repository https://github.com/kb10uy/utf8dump
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kb10uy/utf8dump" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkb10uy%2Futf8dump", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkb10uy%2Futf8dump'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4c560ebfe70c7cdbdffef51a2f4af7cb01bf746
[INFO] documenting kb10uy/utf8dump 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%2Fkb10uy%2Futf8dump" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kb10uy/utf8dump 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/kb10uy/utf8dump
[INFO] finished tweaking git repo https://github.com/kb10uy/utf8dump
[INFO] tweaked toml for git repo https://github.com/kb10uy/utf8dump written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/kb10uy/utf8dump 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 90308a4b3d0dd7829d983612886a173e70dd10f6e0dfeb06dae59c6284b4be66
[INFO] running `Command { std: "docker" "start" "-a" "90308a4b3d0dd7829d983612886a173e70dd10f6e0dfeb06dae59c6284b4be66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90308a4b3d0dd7829d983612886a173e70dd10f6e0dfeb06dae59c6284b4be66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90308a4b3d0dd7829d983612886a173e70dd10f6e0dfeb06dae59c6284b4be66", kill_on_drop: false }`
[INFO] [stdout] 90308a4b3d0dd7829d983612886a173e70dd10f6e0dfeb06dae59c6284b4be66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 0f8bce802e8593a25a677299d9d6fe1d920a2ca28cb0ce001c64de462dd8aa3e
[INFO] running `Command { std: "docker" "start" "-a" "0f8bce802e8593a25a677299d9d6fe1d920a2ca28cb0ce001c64de462dd8aa3e", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-segmentation v1.2.1
[INFO] [stderr]  Documenting utf8dump v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "0f8bce802e8593a25a677299d9d6fe1d920a2ca28cb0ce001c64de462dd8aa3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f8bce802e8593a25a677299d9d6fe1d920a2ca28cb0ce001c64de462dd8aa3e", kill_on_drop: false }`
[INFO] [stdout] 0f8bce802e8593a25a677299d9d6fe1d920a2ca28cb0ce001c64de462dd8aa3e