[INFO] cloning repository https://github.com/SicariusNoctis/rs-chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SicariusNoctis/rs-chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSicariusNoctis%2Frs-chess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSicariusNoctis%2Frs-chess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4076e092273e29743302a0a659f5f9c45eb1785d
[INFO] documenting SicariusNoctis/rs-chess 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%2FSicariusNoctis%2Frs-chess" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SicariusNoctis/rs-chess 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/SicariusNoctis/rs-chess
[INFO] finished tweaking git repo https://github.com/SicariusNoctis/rs-chess
[INFO] tweaked toml for git repo https://github.com/SicariusNoctis/rs-chess written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/SicariusNoctis/rs-chess 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] d092add4fe3cbcb49cdd5225c5cfb4315c347cd149af15d69e406c9c09cf5f8b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d092add4fe3cbcb49cdd5225c5cfb4315c347cd149af15d69e406c9c09cf5f8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d092add4fe3cbcb49cdd5225c5cfb4315c347cd149af15d69e406c9c09cf5f8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d092add4fe3cbcb49cdd5225c5cfb4315c347cd149af15d69e406c9c09cf5f8b", kill_on_drop: false }`
[INFO] [stdout] d092add4fe3cbcb49cdd5225c5cfb4315c347cd149af15d69e406c9c09cf5f8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bb3008d90f7bee9b9b57c38234345c68c0a4a7234668c3324889e1d5bf285bfc
[INFO] running `Command { std: "docker" "start" "-a" "bb3008d90f7bee9b9b57c38234345c68c0a4a7234668c3324889e1d5bf285bfc", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling itoa v0.4.2
[INFO] [stderr]    Compiling dtoa v0.4.3
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]     Checking serde_json v1.0.24
[INFO] [stderr]    Compiling flame v0.2.2
[INFO] [stderr]    Compiling flamer v0.3.0
[INFO] [stderr]  Documenting rs-chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(plugin, custom_attribute)]
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of `#![register_tool]` and `#![register_attr]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `flame` in this scope
[INFO] [stdout]   --> src/search.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 |     #[flame]
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing this attribute macro:
[INFO] [stdout]            flamer::flame
[INFO] [stdout] note: `flame` is imported here, but it is a crate, not an attribute
[INFO] [stdout]   --> src/main.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | extern crate flame;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(plugin, custom_attribute)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/evaluate.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         (self.evaluate_center(game_phase) + self.evaluate_material(game_phase))
[INFO] [stdout]    |         ^                                                                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 15 -         (self.evaluate_center(game_phase) + self.evaluate_material(game_phase))
[INFO] [stdout] 15 +         self.evaluate_center(game_phase) + self.evaluate_material(game_phase)
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `rs-chess`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name rs_chess src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=00c42ff3930d1277 -L dependency=/opt/rustwide/target/debug/deps --extern arrayvec=/opt/rustwide/target/debug/deps/libarrayvec-607db13456a7885c.rmeta --extern flame=/opt/rustwide/target/debug/deps/libflame-ade1f5ea7276d28b.rmeta --extern flamer=/opt/rustwide/target/debug/deps/libflamer-d418a12c415e34ff.so --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "bb3008d90f7bee9b9b57c38234345c68c0a4a7234668c3324889e1d5bf285bfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb3008d90f7bee9b9b57c38234345c68c0a4a7234668c3324889e1d5bf285bfc", kill_on_drop: false }`
[INFO] [stdout] bb3008d90f7bee9b9b57c38234345c68c0a4a7234668c3324889e1d5bf285bfc