[INFO] cloning repository https://github.com/zaneli/rust-protobuf-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zaneli/rust-protobuf-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzaneli%2Frust-protobuf-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzaneli%2Frust-protobuf-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] efeda4e6e5526a7f9889b14ba77efe816b2a71aa
[INFO] documenting zaneli/rust-protobuf-example against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzaneli%2Frust-protobuf-example" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zaneli/rust-protobuf-example on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zaneli/rust-protobuf-example
[INFO] finished tweaking git repo https://github.com/zaneli/rust-protobuf-example
[INFO] tweaked toml for git repo https://github.com/zaneli/rust-protobuf-example written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/zaneli/rust-protobuf-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded protobuf v2.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68cd36df0cb80914c7c4fbb6b9b1ab9347aa523bceadf5b14c4d456e29f8bb65
[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" "68cd36df0cb80914c7c4fbb6b9b1ab9347aa523bceadf5b14c4d456e29f8bb65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68cd36df0cb80914c7c4fbb6b9b1ab9347aa523bceadf5b14c4d456e29f8bb65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68cd36df0cb80914c7c4fbb6b9b1ab9347aa523bceadf5b14c4d456e29f8bb65", kill_on_drop: false }`
[INFO] [stdout] 68cd36df0cb80914c7c4fbb6b9b1ab9347aa523bceadf5b14c4d456e29f8bb65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fe8bbd3f03aba9be3a6bf3256d92d14fc27cf7b35fe02950081d988d7186604
[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" "2fe8bbd3f03aba9be3a6bf3256d92d14fc27cf7b35fe02950081d988d7186604", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf v2.6.0
[INFO] [stderr]  Documenting rust-protobuf-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.54s
[INFO] running `Command { std: "docker" "inspect" "2fe8bbd3f03aba9be3a6bf3256d92d14fc27cf7b35fe02950081d988d7186604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fe8bbd3f03aba9be3a6bf3256d92d14fc27cf7b35fe02950081d988d7186604", kill_on_drop: false }`
[INFO] [stdout] 2fe8bbd3f03aba9be3a6bf3256d92d14fc27cf7b35fe02950081d988d7186604