[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] ac8c6c29835a3adc002954126d779d856799db34
[INFO] documenting BB20101997/Learning-Rust against 1.76.0 for beta-1.77-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBB20101997%2FLearning-Rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BB20101997/Learning-Rust on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-1-tc1/source/Cargo.toml
[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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a10a95080a56e0d0724d70aeb349e85a88dcbd2ed89d9149e8d93f619f66b33
[INFO] running `Command { std: "docker" "start" "-a" "0a10a95080a56e0d0724d70aeb349e85a88dcbd2ed89d9149e8d93f619f66b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a10a95080a56e0d0724d70aeb349e85a88dcbd2ed89d9149e8d93f619f66b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a10a95080a56e0d0724d70aeb349e85a88dcbd2ed89d9149e8d93f619f66b33", kill_on_drop: false }`
[INFO] [stdout] 0a10a95080a56e0d0724d70aeb349e85a88dcbd2ed89d9149e8d93f619f66b33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8862bf3c385f8d86cef8c1835b148f1352b58d9519741ae23d0d251442cb05f0
[INFO] running `Command { std: "docker" "start" "-a" "8862bf3c385f8d86cef8c1835b148f1352b58d9519741ae23d0d251442cb05f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.69
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking chat_base v0.1.0 (/opt/rustwide/workdir/chat_base)
[INFO] [stderr]  Documenting 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_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 [unoptimized + debuginfo] target(s) in 4.47s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/base_lib/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/chat_base/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/chat_client/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/chat_server/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/macros/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/macros_test/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/network_lib/index.html
[INFO] running `Command { std: "docker" "inspect" "8862bf3c385f8d86cef8c1835b148f1352b58d9519741ae23d0d251442cb05f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8862bf3c385f8d86cef8c1835b148f1352b58d9519741ae23d0d251442cb05f0", kill_on_drop: false }`
[INFO] [stdout] 8862bf3c385f8d86cef8c1835b148f1352b58d9519741ae23d0d251442cb05f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1.76.0" "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] 270d0470474be24dc08fa11bbd35d7134e0f6e8ddcca152eac74ef0b741f9199
[INFO] running `Command { std: "docker" "start" "-a" "270d0470474be24dc08fa11bbd35d7134e0f6e8ddcca152eac74ef0b741f9199", 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" "270d0470474be24dc08fa11bbd35d7134e0f6e8ddcca152eac74ef0b741f9199", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "270d0470474be24dc08fa11bbd35d7134e0f6e8ddcca152eac74ef0b741f9199", kill_on_drop: false }`
[INFO] [stdout] 270d0470474be24dc08fa11bbd35d7134e0f6e8ddcca152eac74ef0b741f9199
[INFO] documenting BB20101997/Learning-Rust against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBB20101997%2FLearning-Rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BB20101997/Learning-Rust on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-1-tc2/source/Cargo.toml
[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" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb5cf6356fa0f0796b4eede9ddd3e32f58c4eceb0cc12fccc1b3206f4a79f211
[INFO] running `Command { std: "docker" "start" "-a" "fb5cf6356fa0f0796b4eede9ddd3e32f58c4eceb0cc12fccc1b3206f4a79f211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb5cf6356fa0f0796b4eede9ddd3e32f58c4eceb0cc12fccc1b3206f4a79f211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb5cf6356fa0f0796b4eede9ddd3e32f58c4eceb0cc12fccc1b3206f4a79f211", kill_on_drop: false }`
[INFO] [stdout] fb5cf6356fa0f0796b4eede9ddd3e32f58c4eceb0cc12fccc1b3206f4a79f211
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+beta-2024-02-10" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc7b133ea3c53d0e5b3a3c4bfa29c3aa0577eb9c9b966332b0846f076168b8cd
[INFO] running `Command { std: "docker" "start" "-a" "cc7b133ea3c53d0e5b3a3c4bfa29c3aa0577eb9c9b966332b0846f076168b8cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.69
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking chat_base v0.1.0 (/opt/rustwide/workdir/chat_base)
[INFO] [stderr]  Documenting 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_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 [unoptimized + debuginfo] target(s) in 3.18s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/base_lib/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/chat_base/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/chat_client/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/chat_server/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/macros/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/macros_test/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/network_lib/index.html
[INFO] running `Command { std: "docker" "inspect" "cc7b133ea3c53d0e5b3a3c4bfa29c3aa0577eb9c9b966332b0846f076168b8cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc7b133ea3c53d0e5b3a3c4bfa29c3aa0577eb9c9b966332b0846f076168b8cd", kill_on_drop: false }`
[INFO] [stdout] cc7b133ea3c53d0e5b3a3c4bfa29c3aa0577eb9c9b966332b0846f076168b8cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "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] 4224540f05ee7824d7fdbd23ade13305e434abad71c17a3a6049c02198f67570
[INFO] running `Command { std: "docker" "start" "-a" "4224540f05ee7824d7fdbd23ade13305e434abad71c17a3a6049c02198f67570", 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" "4224540f05ee7824d7fdbd23ade13305e434abad71c17a3a6049c02198f67570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4224540f05ee7824d7fdbd23ade13305e434abad71c17a3a6049c02198f67570", kill_on_drop: false }`
[INFO] [stdout] 4224540f05ee7824d7fdbd23ade13305e434abad71c17a3a6049c02198f67570
