[INFO] cloning repository https://github.com/ramones156/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/ramones156/chess-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Framones156%2Fchess-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Framones156%2Fchess-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac6f18c4f0ec2593520f52c3d8a3352a2e211fee
[INFO] checking ramones156/chess-engine against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Framones156%2Fchess-engine" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ramones156/chess-engine on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ramones156/chess-engine
[INFO] finished tweaking git repo https://github.com/ramones156/chess-engine
[INFO] tweaked toml for git repo https://github.com/ramones156/chess-engine written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ramones156/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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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 rayon-core v1.10.2
[INFO] [stderr]   Downloaded plotters-svg v0.3.3
[INFO] [stderr]   Downloaded ciborium-io v0.2.0
[INFO] [stderr]   Downloaded ciborium-ll v0.2.0
[INFO] [stderr]   Downloaded ciborium v0.2.0
[INFO] [stderr]   Downloaded clap v4.3.0
[INFO] [stderr]   Downloaded zip v0.6.4
[INFO] [stderr]   Downloaded calamine v0.19.1
[INFO] [stderr]   Downloaded clap_builder v4.3.0
[INFO] [stderr]   Downloaded rustix v0.37.3
[INFO] [stderr]   Downloaded plotters v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1fd03be0767912900e3d43e7588e5ec9796b88e73a6fde89cdf5ce856e38f40
[INFO] running `Command { std: "docker" "start" "-a" "e1fd03be0767912900e3d43e7588e5ec9796b88e73a6fde89cdf5ce856e38f40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1fd03be0767912900e3d43e7588e5ec9796b88e73a6fde89cdf5ce856e38f40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1fd03be0767912900e3d43e7588e5ec9796b88e73a6fde89cdf5ce856e38f40", kill_on_drop: false }`
[INFO] [stdout] e1fd03be0767912900e3d43e7588e5ec9796b88e73a6fde89cdf5ce856e38f40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d25ddde3e886ca9f99e4f6abcc55af788d7f9008db411ef94916bfb1f3f71f10
[INFO] running `Command { std: "docker" "start" "-a" "d25ddde3e886ca9f99e4f6abcc55af788d7f9008db411ef94916bfb1f3f71f10", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling anyhow v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rayon-core v1.10.2
[INFO] [stderr]    Compiling rustix v0.37.3
[INFO] [stderr]    Compiling serde_json v1.0.93
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]     Checking ciborium-io v0.2.0
[INFO] [stderr]     Checking plotters-backend v0.3.4
[INFO] [stderr]     Checking anstyle v1.0.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking ciborium-ll v0.2.0
[INFO] [stderr]     Checking plotters-svg v0.3.3
[INFO] [stderr]     Checking clap_builder v4.3.0
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking plotters v0.3.4
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking quick-xml v0.25.0
[INFO] [stderr]     Checking rayon v1.6.1
[INFO] [stderr]     Checking codepage v0.1.1
[INFO] [stderr]     Checking zip v0.6.4
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking is-terminal v0.4.7
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking clap v4.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]     Checking check-buddy v0.2.5 (/opt/rustwide/workdir/check-buddy)
[INFO] [stderr]     Checking check-buddy-pgn-parser v0.2.5 (/opt/rustwide/workdir/check-buddy-pgn-parser)
[INFO] [stderr]     Checking ciborium v0.2.0
[INFO] [stderr]     Checking csv v1.2.0
[INFO] [stderr]     Checking calamine v0.19.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.33s
[INFO] running `Command { std: "docker" "inspect" "d25ddde3e886ca9f99e4f6abcc55af788d7f9008db411ef94916bfb1f3f71f10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d25ddde3e886ca9f99e4f6abcc55af788d7f9008db411ef94916bfb1f3f71f10", kill_on_drop: false }`
[INFO] [stdout] d25ddde3e886ca9f99e4f6abcc55af788d7f9008db411ef94916bfb1f3f71f10
[INFO] checking ramones156/chess-engine against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Framones156%2Fchess-engine" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ramones156/chess-engine on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ramones156/chess-engine
[INFO] finished tweaking git repo https://github.com/ramones156/chess-engine
[INFO] tweaked toml for git repo https://github.com/ramones156/chess-engine written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ramones156/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2510424c9ea3377c3acab59d670b9495856becc4f5cdb2c927309e6b22f55e2
[INFO] running `Command { std: "docker" "start" "-a" "c2510424c9ea3377c3acab59d670b9495856becc4f5cdb2c927309e6b22f55e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2510424c9ea3377c3acab59d670b9495856becc4f5cdb2c927309e6b22f55e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2510424c9ea3377c3acab59d670b9495856becc4f5cdb2c927309e6b22f55e2", kill_on_drop: false }`
[INFO] [stdout] c2510424c9ea3377c3acab59d670b9495856becc4f5cdb2c927309e6b22f55e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 978e09a0ffc2026d1affdbd16a5e96e2ca407c68ba0a72f5265bc99e71b81e7f
[INFO] running `Command { std: "docker" "start" "-a" "978e09a0ffc2026d1affdbd16a5e96e2ca407c68ba0a72f5265bc99e71b81e7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling anyhow v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rayon-core v1.10.2
[INFO] [stderr]    Compiling serde_json v1.0.93
[INFO] [stderr]    Compiling rustix v0.37.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]     Checking ciborium-io v0.2.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking anstyle v1.0.0
[INFO] [stderr]     Checking plotters-backend v0.3.4
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]     Checking ciborium-ll v0.2.0
[INFO] [stderr]     Checking clap_builder v4.3.0
[INFO] [stderr]     Checking plotters-svg v0.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking zip v0.6.4
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking quick-xml v0.25.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking plotters v0.3.4
[INFO] [stderr]     Checking codepage v0.1.1
[INFO] [stderr]     Checking rayon v1.6.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking clap v4.3.0
[INFO] [stderr]     Checking is-terminal v0.4.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]     Checking check-buddy v0.2.5 (/opt/rustwide/workdir/check-buddy)
[INFO] [stderr]     Checking check-buddy-pgn-parser v0.2.5 (/opt/rustwide/workdir/check-buddy-pgn-parser)
[INFO] [stderr]     Checking ciborium v0.2.0
[INFO] [stderr]     Checking csv v1.2.0
[INFO] [stderr]     Checking calamine v0.19.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.61s
[INFO] running `Command { std: "docker" "inspect" "978e09a0ffc2026d1affdbd16a5e96e2ca407c68ba0a72f5265bc99e71b81e7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "978e09a0ffc2026d1affdbd16a5e96e2ca407c68ba0a72f5265bc99e71b81e7f", kill_on_drop: false }`
[INFO] [stdout] 978e09a0ffc2026d1affdbd16a5e96e2ca407c68ba0a72f5265bc99e71b81e7f