[INFO] cloning repository https://github.com/kvsari/dicey-dice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kvsari/dicey-dice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkvsari%2Fdicey-dice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkvsari%2Fdicey-dice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 83f1ac233567bc28ff5cba6b4ab781d4cf2b3cd8
[INFO] documenting kvsari/dicey-dice against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkvsari%2Fdicey-dice" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kvsari/dicey-dice on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kvsari/dicey-dice
[INFO] finished tweaking git repo https://github.com/kvsari/dicey-dice
[INFO] tweaked toml for git repo https://github.com/kvsari/dicey-dice written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate git repo https://github.com/kvsari/dicey-dice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.39
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.39
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.39
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.39
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.39
[INFO] [stderr]   Downloaded bumpalo v2.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5381ed311283d8fc9f446fe3e3ff00c2b3f64ccf4aac14475ea567ac7ebb3f24
[INFO] running `Command { std: "docker" "start" "-a" "5381ed311283d8fc9f446fe3e3ff00c2b3f64ccf4aac14475ea567ac7ebb3f24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5381ed311283d8fc9f446fe3e3ff00c2b3f64ccf4aac14475ea567ac7ebb3f24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5381ed311283d8fc9f446fe3e3ff00c2b3f64ccf4aac14475ea567ac7ebb3f24", kill_on_drop: false }`
[INFO] [stdout] 5381ed311283d8fc9f446fe3e3ff00c2b3f64ccf4aac14475ea567ac7ebb3f24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 706ad2a954a5ac8abb7bc5b5493ce5c0748d5e5a0eb04b36c2a2b7a381a863ef
[INFO] running `Command { std: "docker" "start" "-a" "706ad2a954a5ac8abb7bc5b5493ce5c0748d5e5a0eb04b36c2a2b7a381a863ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling derive-getters v0.0.7
[INFO] [stderr]     Checking dicey-dice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting dicey-dice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::num::NonZeroUsize`
[INFO] [stdout]  --> src/game/player.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::num::NonZeroUsize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `model::Hold`
[INFO] [stdout]   --> src/game.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use model::Hold;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hexagon/errors.rs:90:32
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn cause(&self) -> Option<&error::Error> {
[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 2018) 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] 90 -     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout] 90 +     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `empty`
[INFO] [stdout]    --> src/game/model.rs:309:29
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub (in crate::game) fn empty(root: Board) -> Self {
[INFO] [stdout]     |                             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/hexagon/grid.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 mem::replace(data, new_data);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.92s
[INFO] running `Command { std: "docker" "inspect" "706ad2a954a5ac8abb7bc5b5493ce5c0748d5e5a0eb04b36c2a2b7a381a863ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "706ad2a954a5ac8abb7bc5b5493ce5c0748d5e5a0eb04b36c2a2b7a381a863ef", kill_on_drop: false }`
[INFO] [stdout] 706ad2a954a5ac8abb7bc5b5493ce5c0748d5e5a0eb04b36c2a2b7a381a863ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 972d604a37334de1853c5caaee5a764ffeb45c404ca3ce175e7b9c4e18192978
[INFO] running `Command { std: "docker" "start" "-a" "972d604a37334de1853c5caaee5a764ffeb45c404ca3ce175e7b9c4e18192978", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling derive-getters v0.0.7
[INFO] [stderr]  Documenting dicey-dice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.28s
[INFO] running `Command { std: "docker" "inspect" "972d604a37334de1853c5caaee5a764ffeb45c404ca3ce175e7b9c4e18192978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "972d604a37334de1853c5caaee5a764ffeb45c404ca3ce175e7b9c4e18192978", kill_on_drop: false }`
[INFO] [stdout] 972d604a37334de1853c5caaee5a764ffeb45c404ca3ce175e7b9c4e18192978