[INFO] updating cached repository https://github.com/netroby/tarpcdemo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8fdd29bdc3c2fbc00c902e9d23cad41d9a1cb3c7
[INFO] documenting netroby/tarpcdemo against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnetroby%2Ftarpcdemo" "/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/netroby/tarpcdemo on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/netroby/tarpcdemo
[INFO] finished tweaking git repo https://github.com/netroby/tarpcdemo
[INFO] tweaked toml for git repo https://github.com/netroby/tarpcdemo written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/netroby/tarpcdemo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-9/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "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] 398eed8b974493edcf185435bde22779ba51cbcf049d3925fdaa3ad2c914b29b
[INFO] running `Command { std: "docker" "start" "-a" "398eed8b974493edcf185435bde22779ba51cbcf049d3925fdaa3ad2c914b29b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "398eed8b974493edcf185435bde22779ba51cbcf049d3925fdaa3ad2c914b29b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "398eed8b974493edcf185435bde22779ba51cbcf049d3925fdaa3ad2c914b29b", kill_on_drop: false }`
[INFO] [stdout] 398eed8b974493edcf185435bde22779ba51cbcf049d3925fdaa3ad2c914b29b
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e0702caa362ecccd1174acabaecfdc8511f9e9c6d59d702100c00eac1312d08
[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" "2e0702caa362ecccd1174acabaecfdc8511f9e9c6d59d702100c00eac1312d08", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking scopeguard v0.1.2
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking variance v0.1.3
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking scoped-pool v1.0.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking bincode v0.6.1
[INFO] [stderr]     Checking tarpc v0.6.0
[INFO] [stderr]  Documenting tarpcdemo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.69s
[INFO] running `Command { std: "docker" "inspect" "2e0702caa362ecccd1174acabaecfdc8511f9e9c6d59d702100c00eac1312d08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e0702caa362ecccd1174acabaecfdc8511f9e9c6d59d702100c00eac1312d08", kill_on_drop: false }`
[INFO] [stdout] 2e0702caa362ecccd1174acabaecfdc8511f9e9c6d59d702100c00eac1312d08