[INFO] cloning repository https://github.com/NhanNguyen201/egui_image_viewer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NhanNguyen201/egui_image_viewer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNhanNguyen201%2Fegui_image_viewer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNhanNguyen201%2Fegui_image_viewer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e4574021081cbc26ca1028dba2a5ab0c0a3e7da
[INFO] testing NhanNguyen201/egui_image_viewer against beta-2026-04-21 for beta-1.96-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNhanNguyen201%2Fegui_image_viewer" "/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/NhanNguyen201/egui_image_viewer
[INFO] finished tweaking git repo https://github.com/NhanNguyen201/egui_image_viewer
[INFO] tweaked toml for git repo https://github.com/NhanNguyen201/egui_image_viewer written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/NhanNguyen201/egui_image_viewer 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/NhanNguyen201/egui_image_viewer 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] 4e4e70e589cb160eb7a9de031522810e5abb0d467f4a81e82fe25643fd27fbee
[INFO] running `Command { std: "docker" "start" "-a" "4e4e70e589cb160eb7a9de031522810e5abb0d467f4a81e82fe25643fd27fbee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e4e70e589cb160eb7a9de031522810e5abb0d467f4a81e82fe25643fd27fbee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e4e70e589cb160eb7a9de031522810e5abb0d467f4a81e82fe25643fd27fbee", kill_on_drop: false }`
[INFO] [stdout] 4e4e70e589cb160eb7a9de031522810e5abb0d467f4a81e82fe25643fd27fbee
[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] d194d51ef73f8d2205f08c51b0709029aa68415260b22f99a167ef1209ec79d4
[INFO] running `Command { std: "docker" "start" "-a" "d194d51ef73f8d2205f08c51b0709029aa68415260b22f99a167ef1209ec79d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.96
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling winnow v0.7.12
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling endi v1.1.0
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling polling v3.10.0
[INFO] [stderr]    Compiling wayland-sys v0.31.7
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling quick-xml v0.37.5
[INFO] [stderr]    Compiling ab_glyph v0.2.31
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling accesskit v0.19.0
[INFO] [stderr]    Compiling ordered-stream v0.2.0
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling wayland-backend v0.3.11
[INFO] [stderr]    Compiling xml-rs v0.8.27
[INFO] [stderr]    Compiling epaint_default_fonts v0.32.0
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling async-lock v3.4.1
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling async-broadcast v0.7.2
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling imgref v1.11.0
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling async-io v2.5.0
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling async-executor v1.13.2
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling loop9 v0.1.5
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling xkbcommon-dl v0.4.2
[INFO] [stderr]    Compiling wayland-scanner v0.31.7
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]    Compiling accesskit_consumer v0.28.0
[INFO] [stderr]    Compiling avif-serialize v0.8.5
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling wayland-csd-frame v0.3.0
[INFO] [stderr]    Compiling glutin_glx_sys v0.6.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling memmap2 v0.9.7
[INFO] [stderr]    Compiling async-signal v0.2.12
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling async-process v2.4.0
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling x11rb v0.13.1
[INFO] [stderr]    Compiling glutin_egl_sys v0.7.1
[INFO] [stderr]    Compiling lebe v0.5.2
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling jpeg-decoder v0.3.2
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling image-webp v0.2.3
[INFO] [stderr]    Compiling exr v1.73.0
[INFO] [stderr]    Compiling png v0.17.16
[INFO] [stderr]    Compiling zune-jpeg v0.4.20
[INFO] [stderr]    Compiling maybe-rayon v0.1.1
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling wayland-client v0.31.11
[INFO] [stderr]    Compiling glutin v0.32.3
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling tiff v0.9.1
[INFO] [stderr]    Compiling mime_guess2 v2.3.1
[INFO] [stderr]    Compiling glutin-winit v0.5.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling async-net v2.0.0
[INFO] [stderr]    Compiling async-fs v2.1.3
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling litrs v0.4.2
[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-2.0.104/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=15e6c559ef4d7b1d -C extra-filename=-97e9db5f26b6fd16 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-3c84ce850274bc9d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-3cbef60c28d115fc.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-d523eb951b71da4e.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" "d194d51ef73f8d2205f08c51b0709029aa68415260b22f99a167ef1209ec79d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d194d51ef73f8d2205f08c51b0709029aa68415260b22f99a167ef1209ec79d4", kill_on_drop: false }`
[INFO] [stdout] d194d51ef73f8d2205f08c51b0709029aa68415260b22f99a167ef1209ec79d4