[INFO] cloning repository https://github.com/BrendanNolan/rust_client_server_framework
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BrendanNolan/rust_client_server_framework" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrendanNolan%2Frust_client_server_framework", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrendanNolan%2Frust_client_server_framework'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 46d36ab3f5a884cc24b48c3c5cd926d82e17cb6e
[INFO] documenting BrendanNolan/rust_client_server_framework against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrendanNolan%2Frust_client_server_framework" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BrendanNolan/rust_client_server_framework on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BrendanNolan/rust_client_server_framework
[INFO] finished tweaking git repo https://github.com/BrendanNolan/rust_client_server_framework
[INFO] tweaked toml for git repo https://github.com/BrendanNolan/rust_client_server_framework written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/BrendanNolan/rust_client_server_framework already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4965dd1980113568c985e36511bba8300c00c98ad902fbb925673313a7d3584
[INFO] running `Command { std: "docker" "start" "-a" "a4965dd1980113568c985e36511bba8300c00c98ad902fbb925673313a7d3584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4965dd1980113568c985e36511bba8300c00c98ad902fbb925673313a7d3584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4965dd1980113568c985e36511bba8300c00c98ad902fbb925673313a7d3584", kill_on_drop: false }`
[INFO] [stdout] a4965dd1980113568c985e36511bba8300c00c98ad902fbb925673313a7d3584
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18406c51a0fd7c9485428160c4e661b956c96904215d08ea9149328d0a386c3f
[INFO] running `Command { std: "docker" "start" "-a" "18406c51a0fd7c9485428160c4e661b956c96904215d08ea9149328d0a386c3f", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling tokio v1.20.1
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling futures-macro v0.3.24
[INFO] [stderr]    Compiling auto_impl v1.0.1
[INFO] [stderr]     Checking serde v1.0.144
[INFO] [stderr]     Checking futures-executor v0.3.24
[INFO] [stderr]     Checking futures v0.3.24
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking connection_utils v0.1.0 (/opt/rustwide/workdir/connection_utils)
[INFO] [stderr]  Documenting connection_utils v0.1.0 (/opt/rustwide/workdir/connection_utils)
[INFO] [stderr]     Checking server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stderr]  Documenting server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stderr]  Documenting client v0.1.0 (/opt/rustwide/workdir/client)
[INFO] [stderr]     Checking client v0.1.0 (/opt/rustwide/workdir/client)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.34s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/client/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/simple_client/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/connection_utils/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/server/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/simple_server/index.html
[INFO] running `Command { std: "docker" "inspect" "18406c51a0fd7c9485428160c4e661b956c96904215d08ea9149328d0a386c3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18406c51a0fd7c9485428160c4e661b956c96904215d08ea9149328d0a386c3f", kill_on_drop: false }`
[INFO] [stdout] 18406c51a0fd7c9485428160c4e661b956c96904215d08ea9149328d0a386c3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee332422b912e727c8bf6185bb7b083e866c093d15478772bb0d2b52b4918f37
[INFO] running `Command { std: "docker" "start" "-a" "ee332422b912e727c8bf6185bb7b083e866c093d15478772bb0d2b52b4918f37", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "ee332422b912e727c8bf6185bb7b083e866c093d15478772bb0d2b52b4918f37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee332422b912e727c8bf6185bb7b083e866c093d15478772bb0d2b52b4918f37", kill_on_drop: false }`
[INFO] [stdout] ee332422b912e727c8bf6185bb7b083e866c093d15478772bb0d2b52b4918f37
