[INFO] fetching crate tcod 0.15.0...
[INFO] documenting tcod-0.15.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate tcod 0.15.0 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate tcod 0.15.0 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] removed /workspace/builds/worker-20/source/.cargo/config
[INFO] started tweaking crates.io crate tcod 0.15.0
[INFO] finished tweaking crates.io crate tcod 0.15.0
[INFO] tweaked toml for crates.io crate tcod 0.15.0 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 9985b83df98355c661722a401f3a7aa943b5fdb697974c470771928d55d27df8
[INFO] running `Command { std: "docker" "start" "-a" "9985b83df98355c661722a401f3a7aa943b5fdb697974c470771928d55d27df8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9985b83df98355c661722a401f3a7aa943b5fdb697974c470771928d55d27df8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9985b83df98355c661722a401f3a7aa943b5fdb697974c470771928d55d27df8", kill_on_drop: false }`
[INFO] [stdout] 9985b83df98355c661722a401f3a7aa943b5fdb697974c470771928d55d27df8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 90deacd57ad1321ec8cb99e3dbb543b6d99cc26d1d68f3ab61b1e5bd80d934ec
[INFO] running `Command { std: "docker" "start" "-a" "90deacd57ad1321ec8cb99e3dbb543b6d99cc26d1d68f3ab61b1e5bd80d934ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking bitflags v0.1.1
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]    Compiling tcod-sys v5.0.1
[INFO] [stderr]  Documenting tcod v0.15.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/pathfinding.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |             (Some((x, y)))
[INFO] [stdout]     |             ^            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 151 -             (Some((x, y)))
[INFO] [stdout] 151 +             Some((x, y))
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/bindings.rs:43:15
[INFO] [stdout]    |
[INFO] [stdout] 43 |         x @ 0 ... 66 => Some(unsafe { transmute(x) }),
[INFO] [stdout]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.77s
[INFO] running `Command { std: "docker" "inspect" "90deacd57ad1321ec8cb99e3dbb543b6d99cc26d1d68f3ab61b1e5bd80d934ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90deacd57ad1321ec8cb99e3dbb543b6d99cc26d1d68f3ab61b1e5bd80d934ec", kill_on_drop: false }`
[INFO] [stdout] 90deacd57ad1321ec8cb99e3dbb543b6d99cc26d1d68f3ab61b1e5bd80d934ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] e92b4a4352b327454a7a77c45a027fce1fd0958c28bfb589d66c71d3f563f2d8
[INFO] running `Command { std: "docker" "start" "-a" "e92b4a4352b327454a7a77c45a027fce1fd0958c28bfb589d66c71d3f563f2d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking bitflags v0.1.1
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]    Compiling tcod-sys v5.0.1
[INFO] [stderr]  Documenting tcod v0.15.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/pathfinding.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |             (Some((x, y)))
[INFO] [stdout]     |             ^            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 151 -             (Some((x, y)))
[INFO] [stdout] 151 +             Some((x, y))
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/bindings.rs:43:15
[INFO] [stdout]    |
[INFO] [stdout] 43 |         x @ 0 ... 66 => Some(unsafe { transmute(x) }),
[INFO] [stdout]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.20s
[INFO] running `Command { std: "docker" "inspect" "e92b4a4352b327454a7a77c45a027fce1fd0958c28bfb589d66c71d3f563f2d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e92b4a4352b327454a7a77c45a027fce1fd0958c28bfb589d66c71d3f563f2d8", kill_on_drop: false }`
[INFO] [stdout] e92b4a4352b327454a7a77c45a027fce1fd0958c28bfb589d66c71d3f563f2d8