[INFO] cloning repository https://github.com/AndrooFrowns/chess-engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AndrooFrowns/chess-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrooFrowns%2Fchess-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrooFrowns%2Fchess-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f48b2d49d1d256db31b8e633c066ce45a8f6207e
[INFO] documenting AndrooFrowns/chess-engine against 1.91.0 for beta-1.92-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrooFrowns%2Fchess-engine" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AndrooFrowns/chess-engine
[INFO] finished tweaking git repo https://github.com/AndrooFrowns/chess-engine
[INFO] tweaked toml for git repo https://github.com/AndrooFrowns/chess-engine written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AndrooFrowns/chess-engine on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AndrooFrowns/chess-engine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ucd-trie v0.1.5
[INFO] [stderr]   Downloaded vampirc-uci v0.11.1
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.91
[INFO] [stderr]   Downloaded scratch v1.0.4
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.84
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.84
[INFO] [stderr]   Downloaded pest_generator v2.5.6
[INFO] [stderr]   Downloaded pest_derive v2.5.6
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.84
[INFO] [stderr]   Downloaded pest_meta v2.5.6
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.84
[INFO] [stderr]   Downloaded proc-macro2 v1.0.51
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.91
[INFO] [stderr]   Downloaded unicode-ident v1.0.7
[INFO] [stderr]   Downloaded cxx-build v1.0.91
[INFO] [stderr]   Downloaded bumpalo v3.12.0
[INFO] [stderr]   Downloaded pest v2.5.6
[INFO] [stderr]   Downloaded cxx v1.0.91
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.84
[INFO] [stderr]   Downloaded js-sys v0.3.61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ecead2934e1c338069b9d21931c08d3605262f10e10001b39125acd54fa4e7b
[INFO] running `Command { std: "docker" "start" "-a" "2ecead2934e1c338069b9d21931c08d3605262f10e10001b39125acd54fa4e7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ecead2934e1c338069b9d21931c08d3605262f10e10001b39125acd54fa4e7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ecead2934e1c338069b9d21931c08d3605262f10e10001b39125acd54fa4e7b", kill_on_drop: false }`
[INFO] [stdout] 2ecead2934e1c338069b9d21931c08d3605262f10e10001b39125acd54fa4e7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 852d604962ce8d7267a0b3a30d0c09c10db0781d7f19b61b399a57b300f9d5b2
[INFO] running `Command { std: "docker" "start" "-a" "852d604962ce8d7267a0b3a30d0c09c10db0781d7f19b61b399a57b300f9d5b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.7
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]     Checking iana-time-zone v0.1.53
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking chrono v0.4.23
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling pest v2.5.6
[INFO] [stderr]    Compiling pest_meta v2.5.6
[INFO] [stderr]    Compiling pest_generator v2.5.6
[INFO] [stderr]    Compiling pest_derive v2.5.6
[INFO] [stderr]     Checking vampirc-uci v0.11.1
[INFO] [stderr]  Documenting chess-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking chess-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0412]: cannot find type `T` in this scope
[INFO] [stdout]   --> src/engine.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Engine<T, U> {
[INFO] [stdout]    |             ^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<T> Engine<T, U> {
[INFO] [stdout]    |     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `U` in this scope
[INFO] [stdout]   --> src/engine.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Engine<T, U> {
[INFO] [stdout]    |                ^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<U> Engine<T, U> {
[INFO] [stdout]    |     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: type parameter `T` is never used
[INFO] [stdout]  --> src/engine.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Engine<T, U> {
[INFO] [stdout]   |                   ^ unused type parameter
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing `T`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stdout]   = help: if you intended `T` to be a const parameter, use `const T: /* Type */` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: type parameter `U` is never used
[INFO] [stdout]  --> src/engine.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Engine<T, U> {
[INFO] [stdout]   |                      ^ unused type parameter
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing `U`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stdout]   = help: if you intended `U` to be a const parameter, use `const U: /* Type */` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0392, E0412.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0392`.
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `T` in this scope
[INFO] [stdout]   --> src/engine.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Engine<T, U> {
[INFO] [stdout]    |             ^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<T> Engine<T, U> {
[INFO] [stdout]    |     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `U` in this scope
[INFO] [stdout]   --> src/engine.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Engine<T, U> {
[INFO] [stdout]    |                ^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<U> Engine<T, U> {
[INFO] [stdout]    |     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]  --> src/engine.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::{mpsc, Mutex};
[INFO] [stdout]   |                       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vampirc_uci::UciMessage::Uci`
[INFO] [stdout]  --> src/engine.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use vampirc_uci::UciMessage::Uci;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: type parameter `T` is never used
[INFO] [stdout]  --> src/engine.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Engine<T, U> {
[INFO] [stdout]   |                   ^ unused type parameter
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout]   = help: if you intended `T` to be a const parameter, use `const T: /* Type */` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: type parameter `U` is never used
[INFO] [stdout]  --> src/engine.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Engine<T, U> {
[INFO] [stdout]   |                      ^ unused type parameter
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing `U`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout]   = help: if you intended `U` to be a const parameter, use `const U: /* Type */` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `spawn_stdin_channel` in this scope
[INFO] [stdout]   --> src/engine.rs:23:29
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let stdin_channel = spawn_stdin_channel();
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider using the method on `Self`
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let stdin_channel = self.spawn_stdin_channel();
[INFO] [stdout]    |                             +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0392, E0412, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0392`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `chess-engine`
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `chess-engine` (lib) due to 5 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "852d604962ce8d7267a0b3a30d0c09c10db0781d7f19b61b399a57b300f9d5b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "852d604962ce8d7267a0b3a30d0c09c10db0781d7f19b61b399a57b300f9d5b2", kill_on_drop: false }`
[INFO] [stdout] 852d604962ce8d7267a0b3a30d0c09c10db0781d7f19b61b399a57b300f9d5b2
