[INFO] fetching crate rebalance 0.1.4...
[INFO] testing rebalance-0.1.4 against 1.91.0 for beta-1.92-2
[INFO] extracting crate rebalance 0.1.4 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate rebalance 0.1.4
[INFO] finished tweaking crates.io crate rebalance 0.1.4
[INFO] tweaked toml for crates.io crate rebalance 0.1.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rebalance 0.1.4 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rebalance 0.1.4 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-attributes v0.1.28
[INFO] [stderr]   Downloaded rustversion v1.0.20
[INFO] [stderr]   Downloaded thread_local v1.1.8
[INFO] [stderr]   Downloaded quote v1.0.37
[INFO] [stderr]   Downloaded libredox v0.1.3
[INFO] [stderr]   Downloaded serde-wasm-bindgen v0.6.5
[INFO] [stderr]   Downloaded glutin_egl_sys v0.7.0
[INFO] [stderr]   Downloaded ab_glyph_rasterizer v0.1.8
[INFO] [stderr]   Downloaded ab_glyph v0.2.29
[INFO] [stderr]   Downloaded cursor-icon v1.1.0
[INFO] [stderr]   Downloaded thiserror-impl v2.0.12
[INFO] [stderr]   Downloaded egui-wgpu v0.31.1
[INFO] [stderr]   Downloaded egui-winit v0.31.1
[INFO] [stderr]   Downloaded thiserror v2.0.12
[INFO] [stderr]   Downloaded csv-core v0.1.11
[INFO] [stderr]   Downloaded egui_glow v0.31.1
[INFO] [stderr]   Downloaded codespan-reporting v0.11.1
[INFO] [stderr]   Downloaded arboard v3.4.1
[INFO] [stderr]   Downloaded glutin v0.32.1
[INFO] [stderr]   Downloaded toml_edit v0.22.22
[INFO] [stderr]   Downloaded wayland-protocols v0.32.5
[INFO] [stderr]   Downloaded image v0.25.5
[INFO] [stderr]   Downloaded wgpu v24.0.3
[INFO] [stderr]   Downloaded webpki-roots v0.26.7
[INFO] [stderr]   Downloaded syn v2.0.91
[INFO] [stderr]   Downloaded rustix v0.38.42
[INFO] [stderr]   Downloaded libm v0.2.11
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.19
[INFO] [stderr]   Downloaded exmex v0.20.4
[INFO] [stderr]   Downloaded console_error_panic_hook v0.1.7
[INFO] [stderr]   Downloaded ron v0.8.1
[INFO] [stderr]   Downloaded wayland-client v0.31.7
[INFO] [stderr]   Downloaded winit v0.30.7
[INFO] [stderr]   Downloaded naga v24.0.0
[INFO] [stderr]   Downloaded bytemuck v1.21.0
[INFO] [stderr]   Downloaded egui_plot v0.32.1
[INFO] [stderr]   Downloaded epaint_default_fonts v0.31.1
[INFO] [stderr]   Downloaded cc v1.2.19
[INFO] [stderr]   Downloaded core-foundation v0.10.0
[INFO] [stderr]   Downloaded webbrowser v1.0.3
[INFO] [stderr]   Downloaded weezl v0.1.8
[INFO] [stderr]   Downloaded winnow v0.6.20
[INFO] [stderr]   Downloaded toml_datetime v0.6.8
[INFO] [stderr]   Downloaded wayland-backend v0.3.7
[INFO] [stderr]   Downloaded wgpu-core v24.0.2
[INFO] [stderr]   Downloaded epaint v0.31.1
[INFO] [stderr]   Downloaded wayland-protocols-plasma v0.3.5
[INFO] [stderr]   Downloaded ndk-sys v0.5.0+25.2.9519653
[INFO] [stderr]   Downloaded eframe v0.31.1
[INFO] [stderr]   Downloaded bitflags v2.9.0
[INFO] [stderr]   Downloaded wgpu-hal v24.0.4
[INFO] [stderr]   Downloaded egui v0.31.1
[INFO] [stderr]   Downloaded litrs v0.4.1
[INFO] [stderr]   Downloaded document-features v0.2.10
[INFO] [stderr]   Downloaded proc-macro-crate v3.2.0
[INFO] [stderr]   Downloaded pin-project v1.1.7
[INFO] [stderr]   Downloaded memmap2 v0.9.5
[INFO] [stderr]   Downloaded bytemuck_derive v1.8.1
[INFO] [stderr]   Downloaded type-map v0.5.0
[INFO] [stderr]   Downloaded gpu-descriptor v0.3.1
[INFO] [stderr]   Downloaded wgpu-types v24.0.0
[INFO] [stderr]   Downloaded error-code v3.3.1
[INFO] [stderr]   Downloaded num_enum v0.7.3
[INFO] [stderr]   Downloaded polling v3.7.4
[INFO] [stderr]   Downloaded wayland-protocols-wlr v0.3.5
[INFO] [stderr]   Downloaded ecolor v0.31.1
[INFO] [stderr]   Downloaded xml-rs v0.8.24
[INFO] [stderr]   Downloaded num_enum_derive v0.7.3
[INFO] [stderr]   Downloaded hermit-abi v0.4.0
[INFO] [stderr]   Downloaded xcursor v0.3.8
[INFO] [stderr]   Downloaded wayland-sys v0.31.5
[INFO] [stderr]   Downloaded accesskit v0.17.1
[INFO] [stderr]   Downloaded glutin_wgl_sys v0.6.0
[INFO] [stderr]   Downloaded objc2-encode v4.0.3
[INFO] [stderr]   Downloaded pin-project-internal v1.1.7
[INFO] [stderr]   Downloaded wayland-cursor v0.31.7
[INFO] [stderr]   Downloaded wayland-scanner v0.31.5
[INFO] [stderr]   Downloaded libloading v0.8.6
[INFO] [stderr]   Downloaded dpi v0.1.1
[INFO] [stderr]   Downloaded foldhash v0.1.4
[INFO] [stderr]   Downloaded pin-project-lite v0.2.15
[INFO] [stderr]   Downloaded tracing-wasm v0.2.1
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.14
[INFO] [stderr]   Downloaded metal v0.31.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8cc4e5052e932a907a0e6261669749826f60260f7333bce93c11ea2af749e87
[INFO] running `Command { std: "docker" "start" "-a" "c8cc4e5052e932a907a0e6261669749826f60260f7333bce93c11ea2af749e87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8cc4e5052e932a907a0e6261669749826f60260f7333bce93c11ea2af749e87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8cc4e5052e932a907a0e6261669749826f60260f7333bce93c11ea2af749e87", kill_on_drop: false }`
[INFO] [stdout] c8cc4e5052e932a907a0e6261669749826f60260f7333bce93c11ea2af749e87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 159c08aa1b80e0386248f732bc9694d0bcfe1c26b1d0fe58a7c2ec6b099dbf46
[INFO] running `Command { std: "docker" "start" "-a" "159c08aa1b80e0386248f732bc9694d0bcfe1c26b1d0fe58a7c2ec6b099dbf46", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling rustix v0.38.42
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling libloading v0.8.6
[INFO] [stderr]    Compiling downcast-rs v1.2.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling cc v1.2.19
[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling litemap v0.7.4
[INFO] [stderr]    Compiling writeable v0.5.5
[INFO] [stderr]    Compiling wayland-client v0.31.7
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.0
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling icu_properties_data v1.5.0
[INFO] [stderr]    Compiling quick-xml v0.36.2
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.100
[INFO] [stderr]    Compiling pin-project-lite v0.2.15
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.91
[INFO] [stderr]    Compiling write16 v1.0.0
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling utf16_iter v1.0.5
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.0
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling miniz_oxide v0.8.2
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling ttf-parser v0.25.1
[INFO] [stderr]    Compiling bumpalo v3.16.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling xcursor v0.3.8
[INFO] [stderr]    Compiling wayland-sys v0.31.5
[INFO] [stderr]    Compiling cursor-icon v1.1.0
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling flate2 v1.0.35
[INFO] [stderr]    Compiling rustversion v1.0.20
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling xml-rs v0.8.24
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.8
[INFO] [stderr]    Compiling xkeysym v0.2.1
[INFO] [stderr]    Compiling smithay-client-toolkit v0.19.2
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling memmap2 v0.9.5
[INFO] [stderr]    Compiling epaint_default_fonts v0.31.1
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.100
[INFO] [stderr]    Compiling profiling v1.0.16
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling fdeflate v0.3.7
[INFO] [stderr]    Compiling wayland-scanner v0.31.5
[INFO] [stderr]    Compiling winit v0.30.7
[INFO] [stderr]    Compiling rustls-pki-types v1.10.1
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling raw-window-handle v0.6.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling png v0.17.16
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling glutin v0.32.1
[INFO] [stderr]    Compiling byteorder-lite v0.1.0
[INFO] [stderr]    Compiling owned_ttf_parser v0.25.0
[INFO] [stderr]    Compiling dpi v0.1.1
[INFO] [stderr]    Compiling smol_str v0.2.2
[INFO] [stderr]    Compiling rustls v0.23.20
[INFO] [stderr]    Compiling x11rb-protocol v0.13.1
[INFO] [stderr]    Compiling ab_glyph v0.2.29
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling glutin-winit v0.5.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling webpki-roots v0.26.7
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling web-time v1.1.0
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling glow v0.16.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling glutin_egl_sys v0.7.0
[INFO] [stderr]    Compiling document-features v0.2.10
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.100
[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/1.91.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.91/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=2 -C embed-bitcode=no -C debug-assertions=on --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=4ff012da8b601f13 -C extra-filename=-89bd5df94ff5348a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-2bdd156dc67309b4.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ef1448ae1067ade1.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-484900a74e44dbda.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" "159c08aa1b80e0386248f732bc9694d0bcfe1c26b1d0fe58a7c2ec6b099dbf46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "159c08aa1b80e0386248f732bc9694d0bcfe1c26b1d0fe58a7c2ec6b099dbf46", kill_on_drop: false }`
[INFO] [stdout] 159c08aa1b80e0386248f732bc9694d0bcfe1c26b1d0fe58a7c2ec6b099dbf46