[INFO] cloning repository https://github.com/OtaK/b0xx-viewer-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/OtaK/b0xx-viewer-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOtaK%2Fb0xx-viewer-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOtaK%2Fb0xx-viewer-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75dee0f0def8211a689d136bcd77ce513d59ffbf
[INFO] testing OtaK/b0xx-viewer-rs against beta-2025-09-21 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOtaK%2Fb0xx-viewer-rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/OtaK/b0xx-viewer-rs
[INFO] finished tweaking git repo https://github.com/OtaK/b0xx-viewer-rs
[INFO] tweaked toml for git repo https://github.com/OtaK/b0xx-viewer-rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/OtaK/b0xx-viewer-rs on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/OtaK/b0xx-viewer-rs 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bda21ceccf2df16b970b3c4c11ce8890aad075cc1ac584ee63a8a4b932fd2192
[INFO] running `Command { std: "docker" "start" "-a" "bda21ceccf2df16b970b3c4c11ce8890aad075cc1ac584ee63a8a4b932fd2192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bda21ceccf2df16b970b3c4c11ce8890aad075cc1ac584ee63a8a4b932fd2192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bda21ceccf2df16b970b3c4c11ce8890aad075cc1ac584ee63a8a4b932fd2192", kill_on_drop: false }`
[INFO] [stdout] bda21ceccf2df16b970b3c4c11ce8890aad075cc1ac584ee63a8a4b932fd2192
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b8a41a0c2098e380f25159af62aff5c7cb8720da139be24ed2a16b01783cfc8
[INFO] running `Command { std: "docker" "start" "-a" "3b8a41a0c2098e380f25159af62aff5c7cb8720da139be24ed2a16b01783cfc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling xml-rs v0.8.25
[INFO] [stderr]    Compiling once_cell v1.20.3
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling log v0.4.26
[INFO] [stderr]    Compiling libloading v0.8.6
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling xdg v2.5.2
[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling xcursor v0.3.8
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling wayland-sys v0.23.6
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling syn v2.0.99
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling ttf-parser v0.15.2
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling winit v0.23.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]    Compiling piston-float v1.0.1
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling piston-viewport v1.0.2
[INFO] [stderr]    Compiling miniz_oxide v0.8.5
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling smithay-client-toolkit v0.15.4
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.6
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.8
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling xcb v0.10.1
[INFO] [stderr]    Compiling glium v0.28.0
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling takeable-option v0.5.0
[INFO] [stderr]    Compiling daggy v0.5.0
[INFO] [stderr]    Compiling winit v0.26.1
[INFO] [stderr]    Compiling winnow v0.7.3
[INFO] [stderr]    Compiling clap_builder v4.5.31
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]    Compiling wayland-client v0.28.6
[INFO] [stderr]    Compiling wayland-protocols v0.28.6
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling owned_ttf_parser v0.15.2
[INFO] [stderr]    Compiling rusttype v0.9.3
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling andrew v0.3.1
[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-2025-09-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.99/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=ebfe090afa43dc2d -C extra-filename=-34a474e84eb91a55 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-476290cbe1d6f95e.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-67e3ce1972ee8694.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-958b805d9ab3f4fe.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" "3b8a41a0c2098e380f25159af62aff5c7cb8720da139be24ed2a16b01783cfc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b8a41a0c2098e380f25159af62aff5c7cb8720da139be24ed2a16b01783cfc8", kill_on_drop: false }`
[INFO] [stdout] 3b8a41a0c2098e380f25159af62aff5c7cb8720da139be24ed2a16b01783cfc8