[INFO] cloning repository https://github.com/guy-732/game-2048-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/guy-732/game-2048-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguy-732%2Fgame-2048-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguy-732%2Fgame-2048-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 561306f745b283ed289bbe1e17458ade3e4de082
[INFO] testing guy-732/game-2048-rust against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguy-732%2Fgame-2048-rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/guy-732/game-2048-rust
[INFO] finished tweaking git repo https://github.com/guy-732/game-2048-rust
[INFO] tweaked toml for git repo https://github.com/guy-732/game-2048-rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/guy-732/game-2048-rust on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/guy-732/game-2048-rust 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77a846a6dfc721657f7628922fb026be2e8bb6324f9f8f87c140f013f291a3ca
[INFO] running `Command { std: "docker" "start" "-a" "77a846a6dfc721657f7628922fb026be2e8bb6324f9f8f87c140f013f291a3ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77a846a6dfc721657f7628922fb026be2e8bb6324f9f8f87c140f013f291a3ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77a846a6dfc721657f7628922fb026be2e8bb6324f9f8f87c140f013f291a3ca", kill_on_drop: false }`
[INFO] [stdout] 77a846a6dfc721657f7628922fb026be2e8bb6324f9f8f87c140f013f291a3ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 833c07e9ef82f9703b1446ff3c57e8b67566f13b42d7ed20b01c46e871c6b7a9
[INFO] running `Command { std: "docker" "start" "-a" "833c07e9ef82f9703b1446ff3c57e8b67566f13b42d7ed20b01c46e871c6b7a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling portable-atomic v1.9.0
[INFO] [stderr]    Compiling critical-section v1.2.0
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling rustix v0.38.38
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling libloading v0.8.5
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling hashbrown v0.15.0
[INFO] [stderr]    Compiling cc v1.1.34
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling winnow v0.6.20
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling thiserror v1.0.67
[INFO] [stderr]    Compiling tinyvec v1.8.0
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling flate2 v1.0.34
[INFO] [stderr]    Compiling strict-num v0.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling arrayref v0.3.9
[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]    Compiling fdeflate v0.3.6
[INFO] [stderr]    Compiling wayland-sys v0.31.5
[INFO] [stderr]    Compiling roxmltree v0.20.0
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling serde v1.0.214
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling indexmap v2.6.0
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling fontconfig-parser v0.5.7
[INFO] [stderr]    Compiling png v0.17.14
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling quick-xml v0.36.2
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling wayland-client v0.31.7
[INFO] [stderr]    Compiling unicode-bidi-mirroring v0.2.0
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling unicode-properties v0.1.3
[INFO] [stderr]    Compiling unicode-script v0.5.7
[INFO] [stderr]    Compiling event-listener v5.3.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.17
[INFO] [stderr]    Compiling fastrand v2.1.1
[INFO] [stderr]    Compiling unicode-ccc v0.2.0
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling allocator-api2 v0.2.18
[INFO] [stderr]    Compiling wayland-scanner v0.31.5
[INFO] [stderr]    Compiling endi v1.1.0
[INFO] [stderr]    Compiling wayland-backend v0.3.7
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling memmap2 v0.9.5
[INFO] [stderr]    Compiling event-listener-strategy v0.5.2
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]    Compiling euclid v0.22.11
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling futures-lite v2.4.0
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling simplecss v0.2.1
[INFO] [stderr]    Compiling unicode-vo v0.1.0
[INFO] [stderr]    Compiling xmlwriter v0.1.0
[INFO] [stderr]    Compiling imagesize v0.12.0
[INFO] [stderr]    Compiling rustversion v1.0.18
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]    Compiling data-url v0.3.1
[INFO] [stderr]    Compiling ttf-parser v0.21.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling bytemuck v1.19.0
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling async-channel v2.3.1
[INFO] [stderr]    Compiling async-lock v3.4.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling blocking v1.6.1
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling xml-rs v0.8.22
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling cpufeatures v0.2.14
[INFO] [stderr]    Compiling async-executor v1.13.1
[INFO] [stderr]    Compiling async-broadcast v0.7.1
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling proc-macro-crate v3.2.0
[INFO] [stderr]    Compiling async-fs v2.1.2
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling xdg-home v1.3.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling ordered-stream v0.2.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.19.2
[INFO] [stderr]    Compiling xcursor v0.3.8
[INFO] [stderr]    Compiling xkeysym v0.2.1
[INFO] [stderr]    Compiling as-raw-xcb-connection v1.0.1
[INFO] [stderr]    Compiling cursor-icon v1.1.0
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling field-offset v0.3.6
[INFO] [stderr]    Compiling x11rb-protocol v0.13.1
[INFO] [stderr]    Compiling kurbo v0.11.1
[INFO] [stderr]    Compiling zvariant_utils v2.1.0
[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/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.87/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="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --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=c20b4e99fabf94ed -C extra-filename=-bf9c5ee8fd9f1f7a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-b0a42834f2d45f3e.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-58fd5e57e9a2567b.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-036d125577327e03.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "833c07e9ef82f9703b1446ff3c57e8b67566f13b42d7ed20b01c46e871c6b7a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "833c07e9ef82f9703b1446ff3c57e8b67566f13b42d7ed20b01c46e871c6b7a9", kill_on_drop: false }`
[INFO] [stdout] 833c07e9ef82f9703b1446ff3c57e8b67566f13b42d7ed20b01c46e871c6b7a9
