[INFO] cloning repository https://github.com/YouSafe/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/YouSafe/chess-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYouSafe%2Fchess-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYouSafe%2Fchess-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34f6d0692ebef5901222d8d7ed4206dfc03d25bd
[INFO] checking YouSafe/chess-engine against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYouSafe%2Fchess-engine" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/YouSafe/chess-engine on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/YouSafe/chess-engine
[INFO] finished tweaking git repo https://github.com/YouSafe/chess-engine
[INFO] tweaked toml for git repo https://github.com/YouSafe/chess-engine written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/YouSafe/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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v4.3.17
[INFO] [stderr]   Downloaded clap_builder v4.3.17
[INFO] [stderr]   Downloaded serde v1.0.173
[INFO] [stderr]   Downloaded serde_derive v1.0.173
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72e71a68c0cdfc003bf85c70abf5ed9eece3579b9c3c213f947dec1262ac0897
[INFO] running `Command { std: "docker" "start" "-a" "72e71a68c0cdfc003bf85c70abf5ed9eece3579b9c3c213f947dec1262ac0897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72e71a68c0cdfc003bf85c70abf5ed9eece3579b9c3c213f947dec1262ac0897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72e71a68c0cdfc003bf85c70abf5ed9eece3579b9c3c213f947dec1262ac0897", kill_on_drop: false }`
[INFO] [stdout] 72e71a68c0cdfc003bf85c70abf5ed9eece3579b9c3c213f947dec1262ac0897
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52157f3b7f6b06864edb3d5bc72ecdfaee64f30093a8dacee5d4fd3bf4dfb697
[INFO] running `Command { std: "docker" "start" "-a" "52157f3b7f6b06864edb3d5bc72ecdfaee64f30093a8dacee5d4fd3bf4dfb697", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.173
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.173
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling serde_json v1.0.103
[INFO] [stderr]    Compiling rustix v0.38.4
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking linux-raw-sys v0.4.3
[INFO] [stderr]     Checking ciborium-io v0.2.1
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking chess-core v0.1.0 (/opt/rustwide/workdir/chess-core)
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking ciborium-ll v0.2.1
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking clap_builder v4.3.17
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking regex-automata v0.3.3
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking clap v4.3.17
[INFO] [stderr]     Checking ciborium v0.2.1
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking engine v0.1.0 (/opt/rustwide/workdir/engine)
[INFO] [stdout] warning: field `maximum` is never read
[INFO] [stdout]  --> engine/src/clock.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Clock {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 7 |     pub start: Instant,
[INFO] [stdout] 8 |     pub maximum: Option<Instant>,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Clock` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> engine/src/engine_uci.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 |     UnknownCommand(String),
[INFO] [stdout]    |     -------------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseCommandError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 22 |     UnknownCommand(()),
[INFO] [stdout]    |                    ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_mate_eval` is never used
[INFO] [stdout]   --> engine/src/evaluation.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Evaluation {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn new_mate_eval(mating_color: Color, ply_from_root: u8) -> Evaluation {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_depth_limit` is never used
[INFO] [stdout]   --> engine/src/search_limits.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl SearchLimits {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 15 |     pub fn new_depth_limit(depth: u8) -> SearchLimits {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> engine/src/engine_uci.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 |     UnknownCommand(String),
[INFO] [stdout]    |     -------------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseCommandError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 22 |     UnknownCommand(()),
[INFO] [stdout]    |                    ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 11.73s
[INFO] running `Command { std: "docker" "inspect" "52157f3b7f6b06864edb3d5bc72ecdfaee64f30093a8dacee5d4fd3bf4dfb697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52157f3b7f6b06864edb3d5bc72ecdfaee64f30093a8dacee5d4fd3bf4dfb697", kill_on_drop: false }`
[INFO] [stdout] 52157f3b7f6b06864edb3d5bc72ecdfaee64f30093a8dacee5d4fd3bf4dfb697