[INFO] cloning repository https://github.com/shubhraagarwal/rust-practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shubhraagarwal/rust-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshubhraagarwal%2Frust-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshubhraagarwal%2Frust-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 67409a44785be90901dcaf823287d4cfdaebcdbc
[INFO] documenting shubhraagarwal/rust-practice 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%2Fshubhraagarwal%2Frust-practice" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shubhraagarwal/rust-practice 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/shubhraagarwal/rust-practice
[INFO] finished tweaking git repo https://github.com/shubhraagarwal/rust-practice
[INFO] tweaked toml for git repo https://github.com/shubhraagarwal/rust-practice written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/shubhraagarwal/rust-practice 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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] cde519f4a445d5f74a7fea1fd05c478251dba56129f9085287986453415a8da5
[INFO] running `Command { std: "docker" "start" "-a" "cde519f4a445d5f74a7fea1fd05c478251dba56129f9085287986453415a8da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cde519f4a445d5f74a7fea1fd05c478251dba56129f9085287986453415a8da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cde519f4a445d5f74a7fea1fd05c478251dba56129f9085287986453415a8da5", kill_on_drop: false }`
[INFO] [stdout] cde519f4a445d5f74a7fea1fd05c478251dba56129f9085287986453415a8da5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 933c0adaede7c0a265836e5fc8fe7198c7b1c7b9194dd4cc297938474da28dd8
[INFO] running `Command { std: "docker" "start" "-a" "933c0adaede7c0a265836e5fc8fe7198c7b1c7b9194dd4cc297938474da28dd8", kill_on_drop: false }`
[INFO] [stderr]  Documenting hello-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0753]: expected outer doc comment
[INFO] [stdout]  --> src/variables.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     //! variables2.rs
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: inner doc comments like this (starting with `//!` or `/*!`) can only appear before items
[INFO] [stdout] help: you might have meant to write a regular comment
[INFO] [stdout]   |
[INFO] [stdout] 7 -     //! variables2.rs
[INFO] [stdout] 7 +     // variables2.rs
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0753]: expected outer doc comment
[INFO] [stdout]   --> src/variables.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     //! variables3.rs
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: inner doc comments like this (starting with `//!` or `/*!`) can only appear before items
[INFO] [stdout] help: you might have meant to write a regular comment
[INFO] [stdout]    |
[INFO] [stdout] 14 -     //! variables3.rs
[INFO] [stdout] 14 +     // variables3.rs
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `hello-rust`
[INFO] [stdout] error[E0753]: expected outer doc comment
[INFO] [stdout]   --> src/variables.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     //! variables5.rs
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: inner doc comments like this (starting with `//!` or `/*!`) can only appear before items
[INFO] [stdout] help: you might have meant to write a regular comment
[INFO] [stdout]    |
[INFO] [stdout] 22 -     //! variables5.rs
[INFO] [stdout] 22 +     // variables5.rs
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error[E0753]: expected outer doc comment
[INFO] [stdout]   --> src/variables.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     //! variables6.rs
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 29 |     println!("Number {}", NUMBER);
[INFO] [stdout]    |     ------------------------------ the inner doc comment doesn't annotate this item macro invocation
[INFO] [stdout]    |
[INFO] [stdout] help: to annotate the item macro invocation, change the doc comment from inner to outer style
[INFO] [stdout]    |
[INFO] [stdout] 28 |     /// variables6.rs
[INFO] [stdout]    |       ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name hello_rust src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=560f27b5fe13bf17 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0753`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "933c0adaede7c0a265836e5fc8fe7198c7b1c7b9194dd4cc297938474da28dd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "933c0adaede7c0a265836e5fc8fe7198c7b1c7b9194dd4cc297938474da28dd8", kill_on_drop: false }`
[INFO] [stdout] 933c0adaede7c0a265836e5fc8fe7198c7b1c7b9194dd4cc297938474da28dd8