[INFO] cloning repository https://github.com/domfoy/connect-four
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/domfoy/connect-four" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomfoy%2Fconnect-four", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomfoy%2Fconnect-four'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba4ab33c45d7f0f36bb395251d3975f9e60a12f9
[INFO] documenting domfoy/connect-four 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%2Fdomfoy%2Fconnect-four" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/domfoy/connect-four 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/domfoy/connect-four
[INFO] finished tweaking git repo https://github.com/domfoy/connect-four
[INFO] tweaked toml for git repo https://github.com/domfoy/connect-four written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/domfoy/connect-four 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 66aed92c0a95259cc9053e3faf33db307d1ce6703b90ad9a25ea7578b6a6bf64
[INFO] running `Command { std: "docker" "start" "-a" "66aed92c0a95259cc9053e3faf33db307d1ce6703b90ad9a25ea7578b6a6bf64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66aed92c0a95259cc9053e3faf33db307d1ce6703b90ad9a25ea7578b6a6bf64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66aed92c0a95259cc9053e3faf33db307d1ce6703b90ad9a25ea7578b6a6bf64", kill_on_drop: false }`
[INFO] [stdout] 66aed92c0a95259cc9053e3faf33db307d1ce6703b90ad9a25ea7578b6a6bf64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 56d1b8856cb543dfd60a0db795f358561671e626053a6ceddc579957339dd170
[INFO] running `Command { std: "docker" "start" "-a" "56d1b8856cb543dfd60a0db795f358561671e626053a6ceddc579957339dd170", kill_on_drop: false }`
[INFO] [stderr]     Checking connect_four v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting connect_four v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/board/mod.rs:19:35
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut items: [_; $n] = mem::uninitialized();
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |       make_array!(BOARD_HEIGHT, || make_array!(BOARD_WIDTH, || Cell::new()))
[INFO] [stdout]    |       ---------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `make_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/board/mod.rs:19:35
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut items: [_; $n] = mem::uninitialized();
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |       make_array!(BOARD_HEIGHT, || make_array!(BOARD_WIDTH, || Cell::new()))
[INFO] [stdout]    |                                    ---------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `make_array` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/board/inner.rs:53:23
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let get_cell: Box<Fn(usize) -> &'a Cell> = match line_type {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 53 -     let get_cell: Box<Fn(usize) -> &'a Cell> = match line_type {
[INFO] [stdout] 53 +     let get_cell: Box<dyn Fn(usize) -> &'a Cell> = match line_type {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.94s
[INFO] running `Command { std: "docker" "inspect" "56d1b8856cb543dfd60a0db795f358561671e626053a6ceddc579957339dd170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56d1b8856cb543dfd60a0db795f358561671e626053a6ceddc579957339dd170", kill_on_drop: false }`
[INFO] [stdout] 56d1b8856cb543dfd60a0db795f358561671e626053a6ceddc579957339dd170
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] f23159ccdc36331d63692f5024f33b58f296f57972cb8d780ea42660dfedb002
[INFO] running `Command { std: "docker" "start" "-a" "f23159ccdc36331d63692f5024f33b58f296f57972cb8d780ea42660dfedb002", kill_on_drop: false }`
[INFO] [stderr]  Documenting connect_four v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "f23159ccdc36331d63692f5024f33b58f296f57972cb8d780ea42660dfedb002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f23159ccdc36331d63692f5024f33b58f296f57972cb8d780ea42660dfedb002", kill_on_drop: false }`
[INFO] [stdout] f23159ccdc36331d63692f5024f33b58f296f57972cb8d780ea42660dfedb002