[INFO] fetching crate optima 0.0.4...
[INFO] testing optima-0.0.4 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate optima 0.0.4 into /workspace/builds/worker-0-tc2/source
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate optima 0.0.4
[INFO] finished tweaking crates.io crate optima 0.0.4
[INFO] tweaked toml for crates.io crate optima 0.0.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate optima 0.0.4 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 crates.io crate optima 0.0.4 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" "+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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 999a3db31b4312bd854c751b460bfd8e524f96a1c1c699f7b5988fe06176d33e
[INFO] running `Command { std: "docker" "start" "-a" "999a3db31b4312bd854c751b460bfd8e524f96a1c1c699f7b5988fe06176d33e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "999a3db31b4312bd854c751b460bfd8e524f96a1c1c699f7b5988fe06176d33e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "999a3db31b4312bd854c751b460bfd8e524f96a1c1c699f7b5988fe06176d33e", kill_on_drop: false }`
[INFO] [stdout] 999a3db31b4312bd854c751b460bfd8e524f96a1c1c699f7b5988fe06176d33e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 56e2a57b6cf3ec20a805748dafa0d998ee14558c21b3a953834f84ce225dcb21
[INFO] running `Command { std: "docker" "start" "-a" "56e2a57b6cf3ec20a805748dafa0d998ee14558c21b3a953834f84ce225dcb21", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.129
[INFO] [stderr]    Compiling serde_derive v1.0.143
[INFO] [stderr]    Compiling serde v1.0.143
[INFO] [stderr]    Compiling once_cell v1.13.0
[INFO] [stderr]    Compiling libm v0.2.5
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling tracing-core v0.1.29
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling cache-padded v1.2.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling concurrent-queue v1.2.4
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling erased-serde v0.3.22
[INFO] [stderr]    Compiling tracing v0.1.36
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling async-task v4.3.0
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling async-channel v1.7.0
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling bevy_ptr v0.8.0
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling uuid v1.1.2
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling bevy_tasks v0.8.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling raw-window-handle v0.4.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling mio v0.8.4
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling anyhow v1.0.60
[INFO] [stderr]    Compiling ash v0.37.0+1.3.209
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling pp-rs v0.2.1
[INFO] [stderr]    Compiling inotify v0.9.6
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling spirv v0.2.0+1.5.4
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling filetime v0.2.17
[INFO] [stderr]    Compiling gpu-alloc-types v0.2.0
[INFO] [stderr]    Compiling gpu-descriptor-types v0.1.1
[INFO] [stderr]    Compiling hexf-parse v0.2.1
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling notify v5.0.0-pre.15
[INFO] [stderr]    Compiling gpu-alloc v0.5.3
[INFO] [stderr]    Compiling wgpu-core v0.13.2
[INFO] [stderr]    Compiling gpu-descriptor v0.2.2
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling wgpu-types v0.13.2
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling profiling v1.0.6
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling renderdoc-sys v0.7.1
[INFO] [stderr]    Compiling inplace_it v0.3.4
[INFO] [stderr]    Compiling glow v0.11.2
[INFO] [stderr]    Compiling miniz_oxide v0.5.3
[INFO] [stderr]    Compiling deflate v1.0.0
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling const_panic v0.2.4
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling png v0.17.5
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling bevy_macro_utils v0.8.0
[INFO] [stderr]    Compiling encase_derive_impl v0.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[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=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.99/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no -C debug-assertions=on --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"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=4d2aff928938bec2 -C extra-filename=-b9cf76297e27821b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-b7ce98ac82935bd9.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-83e866b9d35d96e6.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-3ba6ad898de4e60a.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "56e2a57b6cf3ec20a805748dafa0d998ee14558c21b3a953834f84ce225dcb21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56e2a57b6cf3ec20a805748dafa0d998ee14558c21b3a953834f84ce225dcb21", kill_on_drop: false }`
[INFO] [stdout] 56e2a57b6cf3ec20a805748dafa0d998ee14558c21b3a953834f84ce225dcb21
