[INFO] cloning repository https://github.com/kapiliitr/chat-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kapiliitr/chat-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkapiliitr%2Fchat-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkapiliitr%2Fchat-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bbe5c9ce5d10586c4855bbb129e8f1917b1bec2d
[INFO] documenting kapiliitr/chat-server 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%2Fkapiliitr%2Fchat-server" "/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/kapiliitr/chat-server 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/kapiliitr/chat-server
[INFO] finished tweaking git repo https://github.com/kapiliitr/chat-server
[INFO] tweaked toml for git repo https://github.com/kapiliitr/chat-server written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/kapiliitr/chat-server 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] 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" "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] ec531afa8bacb3ffdaf7710778ca40b4ff47b36f3971278eff0c31d42db940e5
[INFO] running `Command { std: "docker" "start" "-a" "ec531afa8bacb3ffdaf7710778ca40b4ff47b36f3971278eff0c31d42db940e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec531afa8bacb3ffdaf7710778ca40b4ff47b36f3971278eff0c31d42db940e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec531afa8bacb3ffdaf7710778ca40b4ff47b36f3971278eff0c31d42db940e5", kill_on_drop: false }`
[INFO] [stdout] ec531afa8bacb3ffdaf7710778ca40b4ff47b36f3971278eff0c31d42db940e5
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6407ef01902dd87be4bfda93d753c317c2a49fe5d0eb732056b4c45029eae1f5
[INFO] running `Command { std: "docker" "start" "-a" "6407ef01902dd87be4bfda93d753c317c2a49fe5d0eb732056b4c45029eae1f5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]    Compiling envconfig_derive v0.5.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling derive_more v0.99.2
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking envconfig v0.5.1
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]  Documenting chat_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.66s
[INFO] running `Command { std: "docker" "inspect" "6407ef01902dd87be4bfda93d753c317c2a49fe5d0eb732056b4c45029eae1f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6407ef01902dd87be4bfda93d753c317c2a49fe5d0eb732056b4c45029eae1f5", kill_on_drop: false }`
[INFO] [stdout] 6407ef01902dd87be4bfda93d753c317c2a49fe5d0eb732056b4c45029eae1f5