[INFO] cloning repository https://github.com/morphmeme/rust-4dchess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/morphmeme/rust-4dchess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmorphmeme%2Frust-4dchess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmorphmeme%2Frust-4dchess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7525ebac4ab5eecb737e42a601bd471889321dd
[INFO] documenting morphmeme/rust-4dchess 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%2Fmorphmeme%2Frust-4dchess" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/morphmeme/rust-4dchess 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/morphmeme/rust-4dchess
[INFO] finished tweaking git repo https://github.com/morphmeme/rust-4dchess
[INFO] tweaked toml for git repo https://github.com/morphmeme/rust-4dchess written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/morphmeme/rust-4dchess 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] warning: Found `debug_assertions` in `target.'cfg(...)'.dependencies`. This value is not supported for selecting dependencies and will not work as expected. To learn more visit https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#platform-specific-dependencies
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.54
[INFO] [stderr]   Downloaded anyhow v1.0.21
[INFO] [stderr]   Downloaded web-sys v0.3.31
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.3.27
[INFO] [stderr]   Downloaded js-sys v0.3.31
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.2.50
[INFO] [stderr]   Downloaded console_error_panic_hook v0.1.6
[INFO] [stderr]   Downloaded itertools v0.8.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.54
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.2.50
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.54
[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.54
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.54
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 124303af82942a8fa6e6924665901ed2798baf58989c90d93648555af4149f2d
[INFO] running `Command { std: "docker" "start" "-a" "124303af82942a8fa6e6924665901ed2798baf58989c90d93648555af4149f2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "124303af82942a8fa6e6924665901ed2798baf58989c90d93648555af4149f2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "124303af82942a8fa6e6924665901ed2798baf58989c90d93648555af4149f2d", kill_on_drop: false }`
[INFO] [stdout] 124303af82942a8fa6e6924665901ed2798baf58989c90d93648555af4149f2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 5f593aea0134c7039f9f5a7fd40cdc480fc1f754a6a31fb3ead500649c3aa7df
[INFO] running `Command { std: "docker" "start" "-a" "5f593aea0134c7039f9f5a7fd40cdc480fc1f754a6a31fb3ead500649c3aa7df", kill_on_drop: false }`
[INFO] [stderr] warning: Found `debug_assertions` in `target.'cfg(...)'.dependencies`. This value is not supported for selecting dependencies and will not work as expected. To learn more visit https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#platform-specific-dependencies
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.54
[INFO] [stderr]    Compiling bumpalo v2.6.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling anyhow v1.0.21
[INFO] [stderr]    Compiling wasm-bindgen v0.2.54
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking itertools v0.8.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling weedle v0.10.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.54
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.54
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.54
[INFO] [stderr]    Compiling web-sys v0.3.31
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.54
[INFO] [stderr]     Checking js-sys v0.3.31
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]  Documenting rust-webpack-template v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.41s
[INFO] running `Command { std: "docker" "inspect" "5f593aea0134c7039f9f5a7fd40cdc480fc1f754a6a31fb3ead500649c3aa7df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f593aea0134c7039f9f5a7fd40cdc480fc1f754a6a31fb3ead500649c3aa7df", kill_on_drop: false }`
[INFO] [stdout] 5f593aea0134c7039f9f5a7fd40cdc480fc1f754a6a31fb3ead500649c3aa7df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 4867456f020f0ac9c29b708ef4e7747666378f6e8ae4623913a2dbcaa3bd57f7
[INFO] running `Command { std: "docker" "start" "-a" "4867456f020f0ac9c29b708ef4e7747666378f6e8ae4623913a2dbcaa3bd57f7", kill_on_drop: false }`
[INFO] [stderr] warning: Found `debug_assertions` in `target.'cfg(...)'.dependencies`. This value is not supported for selecting dependencies and will not work as expected. To learn more visit https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#platform-specific-dependencies
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.54
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bumpalo v2.6.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling anyhow v1.0.21
[INFO] [stderr]    Compiling wasm-bindgen v0.2.54
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking itertools v0.8.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling weedle v0.10.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.54
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.54
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.54
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.54
[INFO] [stderr]    Compiling web-sys v0.3.31
[INFO] [stderr]     Checking js-sys v0.3.31
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]  Documenting rust-webpack-template v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.07s
[INFO] running `Command { std: "docker" "inspect" "4867456f020f0ac9c29b708ef4e7747666378f6e8ae4623913a2dbcaa3bd57f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4867456f020f0ac9c29b708ef4e7747666378f6e8ae4623913a2dbcaa3bd57f7", kill_on_drop: false }`
[INFO] [stdout] 4867456f020f0ac9c29b708ef4e7747666378f6e8ae4623913a2dbcaa3bd57f7