[INFO] cloning repository https://github.com/asmarcz/knights-tour
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asmarcz/knights-tour" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasmarcz%2Fknights-tour", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasmarcz%2Fknights-tour'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cbe12f48ee5b27e74b0b1a8a4e88bf39a30157e5
[INFO] testing asmarcz/knights-tour against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasmarcz%2Fknights-tour" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/asmarcz/knights-tour
[INFO] finished tweaking git repo https://github.com/asmarcz/knights-tour
[INFO] tweaked toml for git repo https://github.com/asmarcz/knights-tour written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/asmarcz/knights-tour on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/asmarcz/knights-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" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85d6444a7246d038cb6808f10557b870d4c80725c0e191e996700c2b53577c79
[INFO] running `Command { std: "docker" "start" "-a" "85d6444a7246d038cb6808f10557b870d4c80725c0e191e996700c2b53577c79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85d6444a7246d038cb6808f10557b870d4c80725c0e191e996700c2b53577c79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85d6444a7246d038cb6808f10557b870d4c80725c0e191e996700c2b53577c79", kill_on_drop: false }`
[INFO] [stdout] 85d6444a7246d038cb6808f10557b870d4c80725c0e191e996700c2b53577c79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2a0e1a01c921ed3950dafad4f0ac3ce739292db2268ba8948c1cd20875f2d4e
[INFO] running `Command { std: "docker" "start" "-a" "f2a0e1a01c921ed3950dafad4f0ac3ce739292db2268ba8948c1cd20875f2d4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling log v0.4.21
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[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling libloading v0.8.1
[INFO] [stderr]    Compiling cc v1.0.88
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling indexmap v2.2.5
[INFO] [stderr]    Compiling quick-xml v0.31.0
[INFO] [stderr]    Compiling winnow v0.5.40
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[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling thiserror v1.0.57
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[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling async-fs v1.6.0
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[INFO] [stderr]    Compiling wayland-sys v0.31.1
[INFO] [stderr]    Compiling digest v0.10.7
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[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling concurrent-queue v2.4.0
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.8
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling xml-rs v0.8.19
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling async-broadcast v0.5.1
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[INFO] [stderr]    Compiling ab_glyph v0.2.23
[INFO] [stderr]    Compiling ordered-stream v0.2.0
[INFO] [stderr]    Compiling event-listener-strategy v0.4.0
[INFO] [stderr]    Compiling cursor-icon v1.1.0
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling smithay-client-toolkit v0.18.1
[INFO] [stderr]    Compiling async-lock v3.3.0
[INFO] [stderr]    Compiling xcursor v0.3.5
[INFO] [stderr]    Compiling event-listener-strategy v0.5.0
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling quote v1.0.35
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[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling wayland-backend v0.3.3
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling xdg-home v1.1.0
[INFO] [stderr]    Compiling async-executor v1.8.0
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling wayland-scanner v0.31.1
[INFO] [stderr]    Compiling zerocopy v0.7.32
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling xkeysym v0.2.0
[INFO] [stderr]    Compiling memmap2 v0.9.4
[INFO] [stderr]    Compiling arrayref v0.3.7
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling x11rb-protocol v0.13.0
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling accesskit v0.12.2
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling winit v0.29.12
[INFO] [stderr]    Compiling raw-window-handle v0.5.2
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling xkbcommon-dl v0.4.2
[INFO] [stderr]    Compiling glutin_egl_sys v0.6.0
[INFO] [stderr]    Compiling glutin_glx_sys v0.5.0
[INFO] [stderr]    Compiling raw-window-handle v0.6.0
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling smol_str v0.2.1
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling accesskit_consumer v0.16.1
[INFO] [stderr]    Compiling glutin v0.31.3
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling async-once-cell v0.5.3
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling glutin-winit v0.4.2
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling flate2 v1.0.28
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]    Compiling glow v0.13.1
[INFO] [stderr]    Compiling web-time v0.2.4
[INFO] [stderr]    Compiling webbrowser v0.8.12
[INFO] [stderr]    Compiling document-features v0.2.8
[INFO] [stderr]    Compiling png v0.17.13
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling bytemuck_derive v1.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling enumflags2_derive v0.7.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling serde_repr v0.1.18
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling async-recursion v1.0.5
[INFO] [stderr]    Compiling bytemuck v1.14.3
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling tiny-skia-path v0.11.4
[INFO] [stderr]    Compiling emath v0.26.2
[INFO] [stderr]    Compiling ecolor v0.26.2
[INFO] [stderr]    Compiling image v0.24.9
[INFO] [stderr]    Compiling zvariant_utils v1.0.1
[INFO] [stderr]    Compiling polling v3.5.0
[INFO] [stderr]    Compiling blocking v1.5.1
[INFO] [stderr]    Compiling epaint v0.26.2
[INFO] [stderr]    Compiling wayland-client v0.31.2
[INFO] [stderr]    Compiling wayland-csd-frame v0.3.0
[INFO] [stderr]    Compiling tiny-skia v0.11.4
[INFO] [stderr]    Compiling zvariant_derive v3.15.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling zbus_macros v3.15.2
[INFO] [stderr]    Compiling calloop v0.12.4
[INFO] [stderr]    Compiling egui v0.26.2
[INFO] [stderr]    Compiling wayland-protocols v0.31.2
[INFO] [stderr]    Compiling calloop-wayland-source v0.2.0
[INFO] [stderr]    Compiling wayland-cursor v0.31.1
[INFO] [stderr]    Compiling wayland-protocols-wlr v0.2.0
[INFO] [stderr]    Compiling wayland-protocols-plasma v0.2.0
[INFO] [stderr]    Compiling enumflags2 v0.7.9
[INFO] [stderr]    Compiling zvariant v3.15.2
[INFO] [stderr]    Compiling egui_glow v0.26.2
[INFO] [stderr]    Compiling zbus_names v2.6.1
[INFO] [stderr]    Compiling zbus v3.15.2
[INFO] [stderr]    Compiling sctk-adwaita v0.8.1
[INFO] [stderr]    Compiling smithay-clipboard v0.7.1
[INFO] [stderr]    Compiling x11rb v0.13.0
[INFO] [stderr]    Compiling arboard v3.3.1
[INFO] [stderr]    Compiling atspi-common v0.3.0
[INFO] [stderr]    Compiling atspi-proxies v0.3.0
[INFO] [stderr]    Compiling atspi-connection v0.3.0
[INFO] [stderr]    Compiling atspi v0.19.0
[INFO] [stderr]    Compiling accesskit_unix v0.6.2
[INFO] [stderr]    Compiling accesskit_winit v0.16.1
[INFO] [stderr]    Compiling egui-winit v0.26.2
[INFO] [stderr]    Compiling eframe v0.26.2
[INFO] [stderr]    Compiling knight_cover v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 36s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: document-features v0.2.8
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "f2a0e1a01c921ed3950dafad4f0ac3ce739292db2268ba8948c1cd20875f2d4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2a0e1a01c921ed3950dafad4f0ac3ce739292db2268ba8948c1cd20875f2d4e", kill_on_drop: false }`
[INFO] [stdout] f2a0e1a01c921ed3950dafad4f0ac3ce739292db2268ba8948c1cd20875f2d4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36c2cd8cb4b445c3a0c52c3ff82d6ed88d358b73821eb6b010a1145fa4f06128
[INFO] running `Command { std: "docker" "start" "-a" "36c2cd8cb4b445c3a0c52c3ff82d6ed88d358b73821eb6b010a1145fa4f06128", kill_on_drop: false }`
[INFO] [stderr]    Compiling knight_cover v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.83s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: document-features v0.2.8
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "36c2cd8cb4b445c3a0c52c3ff82d6ed88d358b73821eb6b010a1145fa4f06128", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36c2cd8cb4b445c3a0c52c3ff82d6ed88d358b73821eb6b010a1145fa4f06128", kill_on_drop: false }`
[INFO] [stdout] 36c2cd8cb4b445c3a0c52c3ff82d6ed88d358b73821eb6b010a1145fa4f06128
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 24deb44cb0ac8c7d47efb103f8cb7db5d950a8a094612ef633976f61dd82fed2
[INFO] running `Command { std: "docker" "start" "-a" "24deb44cb0ac8c7d47efb103f8cb7db5d950a8a094612ef633976f61dd82fed2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: document-features v0.2.8
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/knight_cover-ee4a6b2c86c4dd22)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test solver::tests::jumps ... ok
[INFO] [stdout] test solver::tests::boards ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "24deb44cb0ac8c7d47efb103f8cb7db5d950a8a094612ef633976f61dd82fed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24deb44cb0ac8c7d47efb103f8cb7db5d950a8a094612ef633976f61dd82fed2", kill_on_drop: false }`
[INFO] [stdout] 24deb44cb0ac8c7d47efb103f8cb7db5d950a8a094612ef633976f61dd82fed2
