[INFO] cloning repository https://github.com/Liushenwuzhu-Alpaca/Knight-s-Tour
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Liushenwuzhu-Alpaca/Knight-s-Tour" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiushenwuzhu-Alpaca%2FKnight-s-Tour", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiushenwuzhu-Alpaca%2FKnight-s-Tour'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b8b6836e2b5e430521588411e8d0918aa2b9811
[INFO] checking Liushenwuzhu-Alpaca/Knight-s-Tour against master#12f35ad39ed3e39df4d953c46d4f6cc6c82adc96 for pr-155299-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiushenwuzhu-Alpaca%2FKnight-s-Tour" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Liushenwuzhu-Alpaca/Knight-s-Tour
[INFO] finished tweaking git repo https://github.com/Liushenwuzhu-Alpaca/Knight-s-Tour
[INFO] tweaked toml for git repo https://github.com/Liushenwuzhu-Alpaca/Knight-s-Tour written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Liushenwuzhu-Alpaca/Knight-s-Tour on toolchain 12f35ad39ed3e39df4d953c46d4f6cc6c82adc96
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+12f35ad39ed3e39df4d953c46d4f6cc6c82adc96" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Liushenwuzhu-Alpaca/Knight-s-Tour 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" "+12f35ad39ed3e39df4d953c46d4f6cc6c82adc96" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded winres v0.1.12
[INFO] [stderr]   Downloaded iced_winit v0.10.1
[INFO] [stderr]   Downloaded gpu-alloc-types v0.2.0
[INFO] [stderr]   Downloaded lru v0.11.1
[INFO] [stderr]   Downloaded winapi-wsapoll v0.1.2
[INFO] [stderr]   Downloaded iced_futures v0.7.0
[INFO] [stderr]   Downloaded iced_renderer v0.1.0
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.45
[INFO] [stderr]   Downloaded iced_style v0.9.0
[INFO] [stderr]   Downloaded iced_graphics v0.9.0
[INFO] [stderr]   Downloaded unicode-bidi-mirroring v0.1.0
[INFO] [stderr]   Downloaded str-buf v1.0.6
[INFO] [stderr]   Downloaded wayland-sys v0.30.1
[INFO] [stderr]   Downloaded error-code v2.3.1
[INFO] [stderr]   Downloaded window_clipboard v0.3.0
[INFO] [stderr]   Downloaded khronos-egl v4.1.0
[INFO] [stderr]   Downloaded com-rs v0.2.1
[INFO] [stderr]   Downloaded unicode-ccc v0.1.2
[INFO] [stderr]   Downloaded tiny-skia-path v0.8.4
[INFO] [stderr]   Downloaded sctk-adwaita v0.5.4
[INFO] [stderr]   Downloaded d3d12 v0.6.0
[INFO] [stderr]   Downloaded hassle-rs v0.10.0
[INFO] [stderr]   Downloaded gpu-alloc v0.5.4
[INFO] [stderr]   Downloaded clipboard-win v4.5.0
[INFO] [stderr]   Downloaded iced_runtime v0.1.1
[INFO] [stderr]   Downloaded spirv v0.2.0+1.5.4
[INFO] [stderr]   Downloaded wayland-scanner v0.30.1
[INFO] [stderr]   Downloaded iced_wgpu v0.11.1
[INFO] [stderr]   Downloaded softbuffer v0.2.1
[INFO] [stderr]   Downloaded wayland-client v0.30.2
[INFO] [stderr]   Downloaded wayland-backend v0.1.2
[INFO] [stderr]   Downloaded gpu-allocator v0.22.0
[INFO] [stderr]   Downloaded fontdb v0.14.1
[INFO] [stderr]   Downloaded kurbo v0.9.5
[INFO] [stderr]   Downloaded iced_widget v0.1.3
[INFO] [stderr]   Downloaded syn v2.0.109
[INFO] [stderr]   Downloaded glow v0.12.3
[INFO] [stderr]   Downloaded quick-xml v0.28.2
[INFO] [stderr]   Downloaded ttf-parser v0.19.2
[INFO] [stderr]   Downloaded tiny-skia v0.10.0
[INFO] [stderr]   Downloaded x11rb v0.11.1
[INFO] [stderr]   Downloaded rustybuzz v0.8.0
[INFO] [stderr]   Downloaded wgpu-hal v0.16.2
[INFO] [stderr]   Downloaded android-activity v0.4.3
[INFO] [stderr]   Downloaded wgpu-core v0.16.1
[INFO] [stderr]   Downloaded tiny-skia v0.8.4
[INFO] [stderr]   Downloaded glam v0.24.2
[INFO] [stderr]   Downloaded winit v0.28.7
[INFO] [stderr]   Downloaded glyphon v0.3.0
[INFO] [stderr]   Downloaded wgpu v0.16.3
[INFO] [stderr]   Downloaded iced_core v0.10.0
[INFO] [stderr]   Downloaded tiny-skia-path v0.10.0
[INFO] [stderr]   Downloaded iced_tiny_skia v0.1.0
[INFO] [stderr]   Downloaded naga v0.12.3
[INFO] [stderr]   Downloaded x11rb-protocol v0.11.1
[INFO] [stderr]   Downloaded iced v0.10.0
[INFO] [stderr]   Downloaded wgpu-types v0.16.1
[INFO] [stderr]   Downloaded metal v0.24.0
[INFO] [stderr]   Downloaded cosmic-text v0.9.0
[INFO] [stderr]   Downloaded windows v0.44.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+12f35ad39ed3e39df4d953c46d4f6cc6c82adc96" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23c10b4fb95a02a382c1e328c865e2c11bd46fa33157bb2e2b02c7c477a23c6a
[INFO] running `Command { std: "docker" "start" "-a" "23c10b4fb95a02a382c1e328c865e2c11bd46fa33157bb2e2b02c7c477a23c6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23c10b4fb95a02a382c1e328c865e2c11bd46fa33157bb2e2b02c7c477a23c6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23c10b4fb95a02a382c1e328c865e2c11bd46fa33157bb2e2b02c7c477a23c6a", kill_on_drop: false }`
[INFO] [stdout] 23c10b4fb95a02a382c1e328c865e2c11bd46fa33157bb2e2b02c7c477a23c6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+12f35ad39ed3e39df4d953c46d4f6cc6c82adc96" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 575cdffa5d956eb4beec65fcb33f6c1c9a3f7b56d42c10ad53e738d4577c2e43
[INFO] running `Command { std: "docker" "start" "-a" "575cdffa5d956eb4beec65fcb33f6c1c9a3f7b56d42c10ad53e738d4577c2e43", kill_on_drop: false }`
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling cc v1.2.45
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling syn v2.0.109
[INFO] [stderr]     Checking rustix v1.1.2
[INFO] [stderr]     Checking raw-window-handle v0.5.2
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking strict-num v0.1.1
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]     Checking wayland-sys v0.31.7
[INFO] [stderr]    Compiling unicode-general-category v0.6.0
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking spirv v0.2.0+1.5.4
[INFO] [stderr]    Compiling wayland-sys v0.30.1
[INFO] [stderr]     Checking gpu-alloc-types v0.2.0
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.2
[INFO] [stderr]     Checking ttf-parser v0.19.2
[INFO] [stderr]     Checking nix v0.25.1
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking gpu-alloc v0.5.4
[INFO] [stderr]     Checking ash v0.37.3+1.3.251
[INFO] [stderr]     Checking memmap2 v0.6.2
[INFO] [stderr]     Checking wgpu-types v0.16.1
[INFO] [stderr]     Checking unicode-bidi-mirroring v0.1.0
[INFO] [stderr]     Checking profiling v1.0.17
[INFO] [stderr]     Checking glow v0.12.3
[INFO] [stderr]     Checking unicode-ccc v0.1.2
[INFO] [stderr]     Checking renderdoc-sys v1.1.0
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking x11-dl v2.21.0
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking euclid v0.22.11
[INFO] [stderr]    Compiling quick-xml v0.28.2
[INFO] [stderr]     Checking aliasable v0.1.3
[INFO] [stderr]     Checking rangemap v1.6.0
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]    Compiling smithay-client-toolkit v0.20.0
[INFO] [stderr]     Checking glam v0.24.2
[INFO] [stderr]    Compiling wayland-backend v0.3.11
[INFO] [stderr]    Compiling wayland-backend v0.1.2
[INFO] [stderr]     Checking svg_fmt v0.4.5
[INFO] [stderr]     Checking unicode-bidi v0.3.18
[INFO] [stderr]    Compiling wayland-scanner v0.30.1
[INFO] [stderr]    Compiling softbuffer v0.2.1
[INFO] [stderr]     Checking wayland-commons v0.29.5
[INFO] [stderr]     Checking gethostname v0.2.3
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.1
[INFO] [stderr]     Checking fontdb v0.14.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking owned_ttf_parser v0.25.1
[INFO] [stderr]     Checking etagere v0.2.15
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking x11rb-protocol v0.13.2
[INFO] [stderr]     Checking ab_glyph v0.2.32
[INFO] [stderr]     Checking x11rb-protocol v0.11.1
[INFO] [stderr]     Checking guillotiere v0.6.2
[INFO] [stderr]    Compiling winit v0.28.7
[INFO] [stderr]     Checking kurbo v0.9.5
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/12f35ad39ed3e39df4d953c46d4f6cc6c82adc96/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.109/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=268d37a6ddcb6951 -C extra-filename=-f7e9458b72adb9e5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-fbba84f8e4cdcc21.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e6c3ea1396170d0a.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-a0775ff901404d1b.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "575cdffa5d956eb4beec65fcb33f6c1c9a3f7b56d42c10ad53e738d4577c2e43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "575cdffa5d956eb4beec65fcb33f6c1c9a3f7b56d42c10ad53e738d4577c2e43", kill_on_drop: false }`
[INFO] [stdout] 575cdffa5d956eb4beec65fcb33f6c1c9a3f7b56d42c10ad53e738d4577c2e43