[INFO] cloning repository https://github.com/aolagers/rook
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aolagers/rook" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faolagers%2Frook", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faolagers%2Frook'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b47dab0b07ede2f3fd8195dc2d58fb6ab6416d93
[INFO] documenting aolagers/rook 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%2Faolagers%2Frook" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aolagers/rook 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/aolagers/rook
[INFO] finished tweaking git repo https://github.com/aolagers/rook
[INFO] tweaked toml for git repo https://github.com/aolagers/rook written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/aolagers/rook 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lazy_static v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 09ed418ed2f69a82325cf991186fc43996ea14989cddbd6d1aa4b20b46270f8b
[INFO] running `Command { std: "docker" "start" "-a" "09ed418ed2f69a82325cf991186fc43996ea14989cddbd6d1aa4b20b46270f8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09ed418ed2f69a82325cf991186fc43996ea14989cddbd6d1aa4b20b46270f8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09ed418ed2f69a82325cf991186fc43996ea14989cddbd6d1aa4b20b46270f8b", kill_on_drop: false }`
[INFO] [stdout] 09ed418ed2f69a82325cf991186fc43996ea14989cddbd6d1aa4b20b46270f8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 318c4237d7c74cb690ac502fb0a0e16ac1640ee9769cfc84f1e001586b0e0cc2
[INFO] running `Command { std: "docker" "start" "-a" "318c4237d7c74cb690ac502fb0a0e16ac1640ee9769cfc84f1e001586b0e0cc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking libc v0.2.10
[INFO] [stderr]     Checking winapi v0.2.6
[INFO] [stderr]     Checking lazy_static v0.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.1
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]  Documenting rook v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rook v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/board.rs:133:48
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 let sq = BitBoard::from_square(((7-i)*8 + j));
[INFO] [stdout]     |                                                ^           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 133 -                 let sq = BitBoard::from_square(((7-i)*8 + j));
[INFO] [stdout] 133 +                 let sq = BitBoard::from_square((7-i)*8 + j);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/pos.rs:87:25
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 n @ '0' ... '8' => {
[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: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/board.rs:133:48
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 let sq = BitBoard::from_square(((7-i)*8 + j));
[INFO] [stdout]     |                                                ^           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 133 -                 let sq = BitBoard::from_square(((7-i)*8 + j));
[INFO] [stdout] 133 +                 let sq = BitBoard::from_square((7-i)*8 + j);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/pos.rs:87:25
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 n @ '0' ... '8' => {
[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: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/movegenerator.rs:225:1
[INFO] [stdout]     |
[INFO] [stdout] 225 | / lazy_static! {
[INFO] [stdout] 226 | |     static ref KNIGHT_MOVES: [BitBoard; 64] = {
[INFO] [stdout] 227 | |         let mut kmoves = [BitBoard::empty(); 64];
[INFO] [stdout] 228 | |         for i in 0..64 {
[INFO] [stdout] ...   |
[INFO] [stdout] 291 | |     };
[INFO] [stdout] 292 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/movegenerator.rs:225:1
[INFO] [stdout]     |
[INFO] [stdout] 225 | / lazy_static! {
[INFO] [stdout] 226 | |     static ref KNIGHT_MOVES: [BitBoard; 64] = {
[INFO] [stdout] 227 | |         let mut kmoves = [BitBoard::empty(); 64];
[INFO] [stdout] 228 | |         for i in 0..64 {
[INFO] [stdout] ...   |
[INFO] [stdout] 291 | |     };
[INFO] [stdout] 292 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/movegenerator.rs:225:1
[INFO] [stdout]     |
[INFO] [stdout] 225 | / lazy_static! {
[INFO] [stdout] 226 | |     static ref KNIGHT_MOVES: [BitBoard; 64] = {
[INFO] [stdout] 227 | |         let mut kmoves = [BitBoard::empty(); 64];
[INFO] [stdout] 228 | |         for i in 0..64 {
[INFO] [stdout] ...   |
[INFO] [stdout] 291 | |     };
[INFO] [stdout] 292 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/movegenerator.rs:225:1
[INFO] [stdout]     |
[INFO] [stdout] 225 | / lazy_static! {
[INFO] [stdout] 226 | |     static ref KNIGHT_MOVES: [BitBoard; 64] = {
[INFO] [stdout] 227 | |         let mut kmoves = [BitBoard::empty(); 64];
[INFO] [stdout] 228 | |         for i in 0..64 {
[INFO] [stdout] ...   |
[INFO] [stdout] 291 | |     };
[INFO] [stdout] 292 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/movegenerator.rs:225:1
[INFO] [stdout]     |
[INFO] [stdout] 225 | / lazy_static! {
[INFO] [stdout] 226 | |     static ref KNIGHT_MOVES: [BitBoard; 64] = {
[INFO] [stdout] 227 | |         let mut kmoves = [BitBoard::empty(); 64];
[INFO] [stdout] 228 | |         for i in 0..64 {
[INFO] [stdout] ...   |
[INFO] [stdout] 291 | |     };
[INFO] [stdout] 292 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/movegenerator.rs:225:1
[INFO] [stdout]     |
[INFO] [stdout] 225 | / lazy_static! {
[INFO] [stdout] 226 | |     static ref KNIGHT_MOVES: [BitBoard; 64] = {
[INFO] [stdout] 227 | |         let mut kmoves = [BitBoard::empty(); 64];
[INFO] [stdout] 228 | |         for i in 0..64 {
[INFO] [stdout] ...   |
[INFO] [stdout] 291 | |     };
[INFO] [stdout] 292 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/movegenerator.rs:225:1
[INFO] [stdout]     |
[INFO] [stdout] 225 | / lazy_static! {
[INFO] [stdout] 226 | |     static ref KNIGHT_MOVES: [BitBoard; 64] = {
[INFO] [stdout] 227 | |         let mut kmoves = [BitBoard::empty(); 64];
[INFO] [stdout] 228 | |         for i in 0..64 {
[INFO] [stdout] ...   |
[INFO] [stdout] 291 | |     };
[INFO] [stdout] 292 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/movegenerator.rs:225:1
[INFO] [stdout]     |
[INFO] [stdout] 225 | / lazy_static! {
[INFO] [stdout] 226 | |     static ref KNIGHT_MOVES: [BitBoard; 64] = {
[INFO] [stdout] 227 | |         let mut kmoves = [BitBoard::empty(); 64];
[INFO] [stdout] 228 | |         for i in 0..64 {
[INFO] [stdout] ...   |
[INFO] [stdout] 291 | |     };
[INFO] [stdout] 292 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/movegenerator.rs:225:1
[INFO] [stdout]     |
[INFO] [stdout] 225 | / lazy_static! {
[INFO] [stdout] 226 | |     static ref KNIGHT_MOVES: [BitBoard; 64] = {
[INFO] [stdout] 227 | |         let mut kmoves = [BitBoard::empty(); 64];
[INFO] [stdout] 228 | |         for i in 0..64 {
[INFO] [stdout] ...   |
[INFO] [stdout] 291 | |     };
[INFO] [stdout] 292 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/movegenerator.rs:225:1
[INFO] [stdout]     |
[INFO] [stdout] 225 | / lazy_static! {
[INFO] [stdout] 226 | |     static ref KNIGHT_MOVES: [BitBoard; 64] = {
[INFO] [stdout] 227 | |         let mut kmoves = [BitBoard::empty(); 64];
[INFO] [stdout] 228 | |         for i in 0..64 {
[INFO] [stdout] ...   |
[INFO] [stdout] 291 | |     };
[INFO] [stdout] 292 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/movegenerator.rs:225:1
[INFO] [stdout]     |
[INFO] [stdout] 225 | / lazy_static! {
[INFO] [stdout] 226 | |     static ref KNIGHT_MOVES: [BitBoard; 64] = {
[INFO] [stdout] 227 | |         let mut kmoves = [BitBoard::empty(); 64];
[INFO] [stdout] 228 | |         for i in 0..64 {
[INFO] [stdout] ...   |
[INFO] [stdout] 291 | |     };
[INFO] [stdout] 292 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/movegenerator.rs:225:1
[INFO] [stdout]     |
[INFO] [stdout] 225 | / lazy_static! {
[INFO] [stdout] 226 | |     static ref KNIGHT_MOVES: [BitBoard; 64] = {
[INFO] [stdout] 227 | |         let mut kmoves = [BitBoard::empty(); 64];
[INFO] [stdout] 228 | |         for i in 0..64 {
[INFO] [stdout] ...   |
[INFO] [stdout] 291 | |     };
[INFO] [stdout] 292 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/hash.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | / lazy_static! {
[INFO] [stdout] 50 | |     static ref HASH: Mutex<HashMap<u64, u64>> = {
[INFO] [stdout] 51 | |         Mutex::new(HashMap::new())
[INFO] [stdout] 52 | |     };
[INFO] [stdout] ...  |
[INFO] [stdout] 65 | |     };
[INFO] [stdout] 66 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/hash.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | / lazy_static! {
[INFO] [stdout] 50 | |     static ref HASH: Mutex<HashMap<u64, u64>> = {
[INFO] [stdout] 51 | |         Mutex::new(HashMap::new())
[INFO] [stdout] 52 | |     };
[INFO] [stdout] ...  |
[INFO] [stdout] 65 | |     };
[INFO] [stdout] 66 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/hash.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | / lazy_static! {
[INFO] [stdout] 50 | |     static ref HASH: Mutex<HashMap<u64, u64>> = {
[INFO] [stdout] 51 | |         Mutex::new(HashMap::new())
[INFO] [stdout] 52 | |     };
[INFO] [stdout] ...  |
[INFO] [stdout] 65 | |     };
[INFO] [stdout] 66 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/hash.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | / lazy_static! {
[INFO] [stdout] 50 | |     static ref HASH: Mutex<HashMap<u64, u64>> = {
[INFO] [stdout] 51 | |         Mutex::new(HashMap::new())
[INFO] [stdout] 52 | |     };
[INFO] [stdout] ...  |
[INFO] [stdout] 65 | |     };
[INFO] [stdout] 66 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.32s
[INFO] running `Command { std: "docker" "inspect" "318c4237d7c74cb690ac502fb0a0e16ac1640ee9769cfc84f1e001586b0e0cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "318c4237d7c74cb690ac502fb0a0e16ac1640ee9769cfc84f1e001586b0e0cc2", kill_on_drop: false }`
[INFO] [stdout] 318c4237d7c74cb690ac502fb0a0e16ac1640ee9769cfc84f1e001586b0e0cc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dfdc134c86b22f394240026c1d97a6deb0490ecc4d4e60dcd887ecbec808b6e1
[INFO] running `Command { std: "docker" "start" "-a" "dfdc134c86b22f394240026c1d97a6deb0490ecc4d4e60dcd887ecbec808b6e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking libc v0.2.10
[INFO] [stderr]     Checking winapi v0.2.6
[INFO] [stderr]     Checking lazy_static v0.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.1
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]  Documenting rook v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/board.rs:133:48
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 let sq = BitBoard::from_square(((7-i)*8 + j));
[INFO] [stdout]     |                                                ^           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 133 -                 let sq = BitBoard::from_square(((7-i)*8 + j));
[INFO] [stdout] 133 +                 let sq = BitBoard::from_square((7-i)*8 + j);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/pos.rs:87:25
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 n @ '0' ... '8' => {
[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 5.62s
[INFO] running `Command { std: "docker" "inspect" "dfdc134c86b22f394240026c1d97a6deb0490ecc4d4e60dcd887ecbec808b6e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfdc134c86b22f394240026c1d97a6deb0490ecc4d4e60dcd887ecbec808b6e1", kill_on_drop: false }`
[INFO] [stdout] dfdc134c86b22f394240026c1d97a6deb0490ecc4d4e60dcd887ecbec808b6e1