[INFO] fetching crate quantrs2-sim 0.1.3...
[INFO] testing quantrs2-sim-0.1.3 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate quantrs2-sim 0.1.3 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate quantrs2-sim 0.1.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate quantrs2-sim 0.1.3
[INFO] tweaked toml for crates.io crate quantrs2-sim 0.1.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate quantrs2-sim 0.1.3 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 crates.io crate quantrs2-sim 0.1.3 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3dcd5ec4a8986b45f4cce9160bd182b7affcae7a11da76ed6080df74274fa263
[INFO] running `Command { std: "docker" "start" "-a" "3dcd5ec4a8986b45f4cce9160bd182b7affcae7a11da76ed6080df74274fa263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3dcd5ec4a8986b45f4cce9160bd182b7affcae7a11da76ed6080df74274fa263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dcd5ec4a8986b45f4cce9160bd182b7affcae7a11da76ed6080df74274fa263", kill_on_drop: false }`
[INFO] [stdout] 3dcd5ec4a8986b45f4cce9160bd182b7affcae7a11da76ed6080df74274fa263
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] cca774bbcd8211f8770160cc17b328622be970f9cf6aae1717eb8880b3861228
[INFO] running `Command { std: "docker" "start" "-a" "cca774bbcd8211f8770160cc17b328622be970f9cf6aae1717eb8880b3861228", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.47
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling rand_core v0.10.0
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling zerocopy-derive v0.8.47
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling cpufeatures v0.3.0
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling chacha20 v0.10.0
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling oxiarc-core v0.2.6
[INFO] [stderr]    Compiling cc v1.2.58
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling web-time v1.1.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling rand v0.10.0
[INFO] [stderr]    Compiling oxicode_derive v0.2.1
[INFO] [stderr]    Compiling iana-time-zone v0.1.65
[INFO] [stderr]    Compiling cached_proc_macro_types v0.1.1
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling oxiarc-zstd v0.2.6
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling oxiarc-lz4 v0.2.6
[INFO] [stderr]    Compiling uuid v1.23.0
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling num-lazy v0.4.1
[INFO] [stderr]    Compiling bytemuck v1.25.0
[INFO] [stderr]    Compiling winnow v1.0.0
[INFO] [stderr]    Compiling hybrid-array v0.4.8
[INFO] [stderr]    Compiling safe_arch v0.7.4
[INFO] [stderr]    Compiling safe_arch v1.0.0
[INFO] [stderr]    Compiling toml_parser v1.1.0+spec-1.1.0
[INFO] [stderr]    Compiling oxicode v0.2.1
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling scirs2-core v0.4.0
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling wide v0.7.33
[INFO] [stderr]    Compiling rand_distr v0.6.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling wide v1.2.0
[INFO] [stderr]    Compiling serde_spanned v1.1.0
[INFO] [stderr]    Compiling toml_datetime v1.1.0+spec-1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling toml_writer v1.1.0+spec-1.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling oxiblas-core v0.2.1
[INFO] [stderr]    Compiling ndarray v0.17.2
[INFO] [stderr]    Compiling lambert_w v1.2.34
[INFO] [stderr]    Compiling toml v1.1.0+spec-1.1.0
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling scirs2-metrics v0.4.0
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling argmin-math v0.5.1
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling oxiblas-matrix v0.2.1
[INFO] [stderr]    Compiling simba v0.9.1
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling cached_proc_macro v0.27.0
[INFO] [stderr]    Compiling block-buffer v0.12.0
[INFO] [stderr]    Compiling crypto-common v0.2.1
[INFO] [stderr]    Compiling rand_xoshiro v0.7.0
[INFO] [stderr]    Compiling memmap2 v0.9.10
[INFO] [stderr]    Compiling const-oid v0.10.2
[INFO] [stderr]    Compiling scirs2-neural v0.4.0
[INFO] [stderr]    Compiling pest v2.8.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling sysinfo v0.38.4
[INFO] [stderr]    Compiling argmin v0.11.0
[INFO] [stderr]    Compiling errno v0.3.14
[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=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --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", "quote", "test", "visit", "visit-mut"))' -C metadata=0ed93dc0bd781a79 -C extra-filename=-83da97409c1c1d8c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0fa97b1aa44f5fda.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-544fd508281ca8af.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-423507c85e36a25a.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" "cca774bbcd8211f8770160cc17b328622be970f9cf6aae1717eb8880b3861228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cca774bbcd8211f8770160cc17b328622be970f9cf6aae1717eb8880b3861228", kill_on_drop: false }`
[INFO] [stdout] cca774bbcd8211f8770160cc17b328622be970f9cf6aae1717eb8880b3861228
