[INFO] cloning repository https://github.com/e9000000000/checkers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/e9000000000/checkers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fe9000000000%2Fcheckers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fe9000000000%2Fcheckers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae338ef18bfbb636b7a6370507a159c300667432
[INFO] checking e9000000000/checkers against master#84e729a59f216cc64755788a470f165429a731f4 for pr-123737-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fe9000000000%2Fcheckers" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/e9000000000/checkers on toolchain 84e729a59f216cc64755788a470f165429a731f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/e9000000000/checkers
[INFO] finished tweaking git repo https://github.com/e9000000000/checkers
[INFO] tweaked toml for git repo https://github.com/e9000000000/checkers written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/e9000000000/checkers 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" "+84e729a59f216cc64755788a470f165429a731f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded resvg v0.37.0
[INFO] [stderr]   Downloaded usvg v0.37.0
[INFO] [stderr]   Downloaded ciborium-io v0.2.2
[INFO] [stderr]   Downloaded hootbin v0.1.1
[INFO] [stderr]   Downloaded ehttp v0.4.0
[INFO] [stderr]   Downloaded usvg-tree v0.37.0
[INFO] [stderr]   Downloaded anes v0.1.6
[INFO] [stderr]   Downloaded plotters-svg v0.3.5
[INFO] [stderr]   Downloaded ciborium v0.2.2
[INFO] [stderr]   Downloaded criterion v0.5.1
[INFO] [stderr]   Downloaded clap_builder v4.5.1
[INFO] [stderr]   Downloaded rustls v0.22.2
[INFO] [stderr]   Downloaded plotters v0.3.5
[INFO] [stderr]   Downloaded zbus v3.15.0
[INFO] [stderr]   Downloaded epaint v0.26.0
[INFO] [stderr]   Downloaded winnow v0.5.37
[INFO] [stderr]   Downloaded egui v0.26.0
[INFO] [stderr]   Downloaded rustls-webpki v0.102.2
[INFO] [stderr]   Downloaded webpki-roots v0.26.1
[INFO] [stderr]   Downloaded eframe v0.26.0
[INFO] [stderr]   Downloaded ureq v2.9.5
[INFO] [stderr]   Downloaded clap v4.5.1
[INFO] [stderr]   Downloaded cast v0.3.0
[INFO] [stderr]   Downloaded tinytemplate v1.2.1
[INFO] [stderr]   Downloaded async-io v2.3.1
[INFO] [stderr]   Downloaded tempfile v3.10.0
[INFO] [stderr]   Downloaded zbus_macros v3.15.0
[INFO] [stderr]   Downloaded egui_glow v0.26.0
[INFO] [stderr]   Downloaded litrs v0.4.1
[INFO] [stderr]   Downloaded hoot v0.1.3
[INFO] [stderr]   Downloaded usvg-parser v0.37.0
[INFO] [stderr]   Downloaded type-map v0.5.0
[INFO] [stderr]   Downloaded egui-wgpu v0.26.0
[INFO] [stderr]   Downloaded hermit-abi v0.3.5
[INFO] [stderr]   Downloaded egui-winit v0.26.0
[INFO] [stderr]   Downloaded ecolor v0.26.0
[INFO] [stderr]   Downloaded emath v0.26.0
[INFO] [stderr]   Downloaded svgtypes v0.13.0
[INFO] [stderr]   Downloaded ciborium-ll v0.2.2
[INFO] [stderr]   Downloaded criterion-plot v0.5.0
[INFO] [stderr]   Downloaded plotters-backend v0.3.5
[INFO] [stderr]   Downloaded document-features v0.2.8
[INFO] [stderr]   Downloaded rustls-pki-types v1.2.0
[INFO] [stderr]   Downloaded egui_extras v0.26.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4e0ff1f0d80a54921291c2cb286920e48a36ab0ac8a93c36cadb3b2ff5c30dd
[INFO] running `Command { std: "docker" "start" "-a" "b4e0ff1f0d80a54921291c2cb286920e48a36ab0ac8a93c36cadb3b2ff5c30dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4e0ff1f0d80a54921291c2cb286920e48a36ab0ac8a93c36cadb3b2ff5c30dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4e0ff1f0d80a54921291c2cb286920e48a36ab0ac8a93c36cadb3b2ff5c30dd", kill_on_drop: false }`
[INFO] [stdout] b4e0ff1f0d80a54921291c2cb286920e48a36ab0ac8a93c36cadb3b2ff5c30dd
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae19ce097e264ca45bc7a3bfae7f93b8cbc3ea9d374769743df3557ac1eda050
[INFO] running `Command { std: "docker" "start" "-a" "ae19ce097e264ca45bc7a3bfae7f93b8cbc3ea9d374769743df3557ac1eda050", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling wayland-sys v0.31.1
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling indexmap v2.2.2
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling winnow v0.5.37
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking strict-num v0.1.1
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]    Compiling quick-xml v0.31.0
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]     Checking png v0.17.11
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]     Checking async-lock v3.3.0
[INFO] [stderr]     Checking async-channel v2.1.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.90
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking async-executor v1.8.0
[INFO] [stderr]     Checking ordered-stream v0.2.0
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking xkeysym v0.2.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.18.0
[INFO] [stderr]    Compiling wayland-scanner v0.31.1
[INFO] [stderr]     Checking cursor-icon v1.1.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]    Compiling wayland-backend v0.3.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking xdg-home v1.1.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking xcursor v0.3.5
[INFO] [stderr]    Compiling ring v0.17.7
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking memmap2 v0.9.4
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling bumpalo v3.14.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking x11-dl v2.21.0
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking half v2.3.1
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking raw-window-handle v0.5.2
[INFO] [stderr]     Checking rayon v1.8.1
[INFO] [stderr]     Checking kurbo v0.9.5
[INFO] [stderr]    Compiling winit v0.29.10
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking x11rb-protocol v0.13.0
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.90
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking rustls-pki-types v1.2.0
[INFO] [stderr]     Checking as-raw-xcb-connection v1.0.1
[INFO] [stderr]     Checking siphasher v0.3.11
[INFO] [stderr]     Checking svgtypes v0.13.0
[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/84e729a59f216cc64755788a470f165429a731f4/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-2.0.48/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"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=dfd75653b75dd8b6 -C extra-filename=-dfd75653b75dd8b6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-6b6a52a206917441.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e3e2745b1c1d8733.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-7b828347d8713ecd.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" "ae19ce097e264ca45bc7a3bfae7f93b8cbc3ea9d374769743df3557ac1eda050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae19ce097e264ca45bc7a3bfae7f93b8cbc3ea9d374769743df3557ac1eda050", kill_on_drop: false }`
[INFO] [stdout] ae19ce097e264ca45bc7a3bfae7f93b8cbc3ea9d374769743df3557ac1eda050