[INFO] cloning repository https://github.com/BB20101997/Learning-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BB20101997/Learning-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBB20101997%2FLearning-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBB20101997%2FLearning-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eecc7641c615d22bbe90339c6ae82870aa33a51b
[INFO] documenting BB20101997/Learning-Rust against 1.91.0 for beta-1.92-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBB20101997%2FLearning-Rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/BB20101997/Learning-Rust
[INFO] finished tweaking git repo https://github.com/BB20101997/Learning-Rust
[INFO] tweaked toml for git repo https://github.com/BB20101997/Learning-Rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/BB20101997/Learning-Rust on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/BB20101997/Learning-Rust 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b263710f343212c70560761c65e80a761ea68e78a67517bbf68e6e4ba75aa9f
[INFO] running `Command { std: "docker" "start" "-a" "1b263710f343212c70560761c65e80a761ea68e78a67517bbf68e6e4ba75aa9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b263710f343212c70560761c65e80a761ea68e78a67517bbf68e6e4ba75aa9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b263710f343212c70560761c65e80a761ea68e78a67517bbf68e6e4ba75aa9f", kill_on_drop: false }`
[INFO] [stdout] 1b263710f343212c70560761c65e80a761ea68e78a67517bbf68e6e4ba75aa9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fce6456cd352bec7b5b878990c79b2f37004ac5ebd717dc492a92c80312d079
[INFO] running `Command { std: "docker" "start" "-a" "8fce6456cd352bec7b5b878990c79b2f37004ac5ebd717dc492a92c80312d079", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]  Documenting macros v0.1.0 (/opt/rustwide/workdir/macros)
[INFO] [stderr]    Compiling macros v0.1.0 (/opt/rustwide/workdir/macros)
[INFO] [stderr]     Checking base_lib v0.1.0 (/opt/rustwide/workdir/base_lib)
[INFO] [stderr]  Documenting base_lib v0.1.0 (/opt/rustwide/workdir/base_lib)
[INFO] [stderr]     Checking network_lib v0.1.0 (/opt/rustwide/workdir/network_lib)
[INFO] [stderr]  Documenting network_lib v0.1.0 (/opt/rustwide/workdir/network_lib)
[INFO] [stdout] warning: method `flush` is never used
[INFO] [stdout]   --> network_lib/src/network/serialization.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl<'a> ReadWrite<'a> {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] 20 |     fn flush(&mut self) -> Result<()> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking chat_base v0.1.0 (/opt/rustwide/workdir/chat_base)
[INFO] [stderr]  Documenting macros_test v0.1.0 (/opt/rustwide/workdir/macros_test)
[INFO] [stderr]  Documenting chat_base v0.1.0 (/opt/rustwide/workdir/chat_base)
[INFO] [stderr]  Documenting chat_server v0.1.0 (/opt/rustwide/workdir/chat_server)
[INFO] [stderr]  Documenting chat_client v0.1.0 (/opt/rustwide/workdir/chat_client)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.45s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/base_lib/index.html and 6 other files
[INFO] running `Command { std: "docker" "inspect" "8fce6456cd352bec7b5b878990c79b2f37004ac5ebd717dc492a92c80312d079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fce6456cd352bec7b5b878990c79b2f37004ac5ebd717dc492a92c80312d079", kill_on_drop: false }`
[INFO] [stdout] 8fce6456cd352bec7b5b878990c79b2f37004ac5ebd717dc492a92c80312d079
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be92b998854f88d2e58e8b377bc4fbf3b5dbdc3ed23d6b9cc738695413821d85
[INFO] running `Command { std: "docker" "start" "-a" "be92b998854f88d2e58e8b377bc4fbf3b5dbdc3ed23d6b9cc738695413821d85", kill_on_drop: false }`
[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" "be92b998854f88d2e58e8b377bc4fbf3b5dbdc3ed23d6b9cc738695413821d85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be92b998854f88d2e58e8b377bc4fbf3b5dbdc3ed23d6b9cc738695413821d85", kill_on_drop: false }`
[INFO] [stdout] be92b998854f88d2e58e8b377bc4fbf3b5dbdc3ed23d6b9cc738695413821d85
