[INFO] cloning repository https://github.com/ityy/rust_study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ityy/rust_study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fityy%2Frust_study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fityy%2Frust_study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8756fd6eb7d1122c156c85e59aef75e8d4cbf3f
[INFO] documenting ityy/rust_study against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fityy%2Frust_study" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ityy/rust_study on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ityy/rust_study
[INFO] removed workspace from git repo https://github.com/ityy/rust_study
[INFO] finished tweaking git repo https://github.com/ityy/rust_study
[INFO] tweaked toml for git repo https://github.com/ityy/rust_study written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/ityy/rust_study already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-9/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c253c0bbfc1c9ea134bb32013ee673f1d86b64a9f4c641f68007673ebdc00b92
[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" "c253c0bbfc1c9ea134bb32013ee673f1d86b64a9f4c641f68007673ebdc00b92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c253c0bbfc1c9ea134bb32013ee673f1d86b64a9f4c641f68007673ebdc00b92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c253c0bbfc1c9ea134bb32013ee673f1d86b64a9f4c641f68007673ebdc00b92", kill_on_drop: false }`
[INFO] [stdout] c253c0bbfc1c9ea134bb32013ee673f1d86b64a9f4c641f68007673ebdc00b92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "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] ee40bec8775b4b054454b15229618979b7bd490e5e7f94027c6cc14b7e525323
[INFO] running `Command { std: "docker" "start" "-a" "ee40bec8775b4b054454b15229618979b7bd490e5e7f94027c6cc14b7e525323", kill_on_drop: false }`
[INFO] [stderr]  Documenting rust_study v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/memory_and_pointer_test/t02_raw_pointer.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |   //! ```
[INFO] [stdout]    |  _____^
[INFO] [stdout] 25 | | //! 变量地址：&操作符可以用来获取变量的地址，&a表达的便是a的地址0x00001111。由于变量都是在栈上存放，所以‘&变量’取到的地址一般都是栈上的地址                                                        ...
[INFO] [stdout] 26 | | //! 变量的使用原则：我们对一切变量的使用，都是从值的角度来使用的。只有&操作符存在时，我们才关注变量自身的内存地址。                                                    ...
[INFO] [stdout] 27 | | //! 数据类型：是对一段数据的两大描述：占了多少个字节，以什么方式来使用它。
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | | //! 变量类型：即变量中存储的数据的数据类型。强类型语言中，某类型的变量只能存放某类型的数据。
[INFO] [stdout] 36 | | //! ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{ff1a}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{ff0c}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{3002}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{ff0c}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2018}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2019}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{3002}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{ff1a}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{ff0c}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{3002}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{ff0c}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{3002}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{ff1a}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{ff1a}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{ff0c}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{3002}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{ff0c}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{3002}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{3002}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{ff1a}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{ff1a}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{ff1a}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{ff08}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{ff09}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{ff0c}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{ff0c}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{ff0c}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{ff0c}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{3002}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{ff1a}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{3002}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{ff0c}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{3002}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]    |
[INFO] [stdout] 24 | //! ```text
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "ee40bec8775b4b054454b15229618979b7bd490e5e7f94027c6cc14b7e525323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee40bec8775b4b054454b15229618979b7bd490e5e7f94027c6cc14b7e525323", kill_on_drop: false }`
[INFO] [stdout] ee40bec8775b4b054454b15229618979b7bd490e5e7f94027c6cc14b7e525323