[INFO] cloning repository https://github.com/kbknapp/iptables_exporter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kbknapp/iptables_exporter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkbknapp%2Fiptables_exporter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkbknapp%2Fiptables_exporter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c72305acbb63f9ca66fe1498183dbe7e0d94a23
[INFO] documenting kbknapp/iptables_exporter against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkbknapp%2Fiptables_exporter" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kbknapp/iptables_exporter on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kbknapp/iptables_exporter
[INFO] finished tweaking git repo https://github.com/kbknapp/iptables_exporter
[INFO] tweaked toml for git repo https://github.com/kbknapp/iptables_exporter written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/kbknapp/iptables_exporter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2022-05-20" "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] 38fee41720209aad44750168aaa5d51e74dc1684b7ffc753a42bd7fdad5c14a9
[INFO] running `Command { std: "docker" "start" "-a" "38fee41720209aad44750168aaa5d51e74dc1684b7ffc753a42bd7fdad5c14a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38fee41720209aad44750168aaa5d51e74dc1684b7ffc753a42bd7fdad5c14a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38fee41720209aad44750168aaa5d51e74dc1684b7ffc753a42bd7fdad5c14a9", kill_on_drop: false }`
[INFO] [stdout] 38fee41720209aad44750168aaa5d51e74dc1684b7ffc753a42bd7fdad5c14a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 710f872265cc1ee45cdadb767332e106eb95fc23e259d03caa1fba8226f44f4f
[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" "710f872265cc1ee45cdadb767332e106eb95fc23e259d03caa1fba8226f44f4f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling protobuf v2.23.0
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]    Compiling prometheus v0.12.0
[INFO] [stderr]    Compiling os_str_bytes v2.4.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling textwrap v0.12.1
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking http-body v0.4.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking tracing-subscriber v0.2.17
[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr]     Checking hyper v0.14.7
[INFO] [stderr]    Compiling iptables_exporter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking prometheus-hyper v0.1.2
[INFO] [stderr]  Documenting iptables_exporter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "710f872265cc1ee45cdadb767332e106eb95fc23e259d03caa1fba8226f44f4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "710f872265cc1ee45cdadb767332e106eb95fc23e259d03caa1fba8226f44f4f", kill_on_drop: false }`
[INFO] [stdout] 710f872265cc1ee45cdadb767332e106eb95fc23e259d03caa1fba8226f44f4f