[INFO] fetching crate prophecy 0.4.0...
[INFO] testing prophecy-0.4.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate prophecy 0.4.0 into /workspace/builds/worker-4-tc2/source
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate prophecy 0.4.0
[INFO] finished tweaking crates.io crate prophecy 0.4.0
[INFO] tweaked toml for crates.io crate prophecy 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prophecy 0.4.0 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 prophecy 0.4.0 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] dc799c13e86ffe8daf9d5b2d26bb212ddf9e29f85f9119724e936e7fde2af5df
[INFO] running `Command { std: "docker" "start" "-a" "dc799c13e86ffe8daf9d5b2d26bb212ddf9e29f85f9119724e936e7fde2af5df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc799c13e86ffe8daf9d5b2d26bb212ddf9e29f85f9119724e936e7fde2af5df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc799c13e86ffe8daf9d5b2d26bb212ddf9e29f85f9119724e936e7fde2af5df", kill_on_drop: false }`
[INFO] [stdout] dc799c13e86ffe8daf9d5b2d26bb212ddf9e29f85f9119724e936e7fde2af5df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] eb6d074bed82692baa87260b09de9322eaa8bbc52b6e28991a798d590d0f09db
[INFO] running `Command { std: "docker" "start" "-a" "eb6d074bed82692baa87260b09de9322eaa8bbc52b6e28991a798d590d0f09db", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.104
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling wasm-bindgen v0.2.104
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling convert_case v0.8.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling async-lock v3.4.1
[INFO] [stderr]    Compiling mio v1.1.0
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling pest v2.8.3
[INFO] [stderr]    Compiling throw_error v0.3.0
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]    Compiling or_poisoned v0.1.0
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling reactive_graph v0.2.8
[INFO] [stderr]    Compiling server_fn_macro v0.8.7
[INFO] [stderr]    Compiling send_wrapper v0.6.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling erased-serde v0.4.8
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling syn v2.0.107
[INFO] [stderr]    Compiling proc-macro-utils v0.10.0
[INFO] [stderr]    Compiling dashmap v6.1.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]    Compiling guardian v1.3.0
[INFO] [stderr]    Compiling xxhash-rust v0.8.15
[INFO] [stderr]    Compiling dlv-list v0.5.2
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling utf8-width v0.1.7
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling camino v1.2.1
[INFO] [stderr]    Compiling toml_parser v1.0.4
[INFO] [stderr]    Compiling ordered-multimap v0.7.3
[INFO] [stderr]    Compiling html-escape v0.2.13
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling tachys v0.2.9
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling arraydeque v0.5.1
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling yaml-rust2 v0.10.4
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling manyhow-macros v0.11.4
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rust-ini v0.21.3
[INFO] [stderr]    Compiling pest_meta v2.8.3
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling either_of v0.1.6
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling toml_datetime v0.7.3
[INFO] [stderr]    Compiling serde_spanned v1.0.3
[INFO] [stderr]    Compiling toml v0.9.8
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling server_fn v0.8.7
[INFO] [stderr]    Compiling linear-map v1.2.0
[INFO] [stderr]    Compiling erased v0.1.2
[INFO] [stderr]    Compiling const_str_slice_concat v0.1.0
[INFO] [stderr]    Compiling drain_filter_polyfill v0.1.3
[INFO] [stderr]    Compiling pathdiff v0.2.3
[INFO] [stderr]    Compiling serde-untagged v0.1.9
[INFO] [stderr]    Compiling collection_literals v1.0.3
[INFO] [stderr]    Compiling next_tuple v0.1.0
[INFO] [stderr]    Compiling interpolator v0.5.0
[INFO] [stderr]    Compiling const_format v0.2.35
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling futuredsp v0.0.8
[INFO] [stderr]    Compiling leptos_macro v0.8.9
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]    Compiling base16 v0.2.1
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling const-str v0.6.4
[INFO] [stderr]    Compiling strength_reduce v0.2.4
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling serde_path_to_error v0.1.20
[INFO] [stderr]    Compiling transpose v0.2.3
[INFO] [stderr]    Compiling primal-check v0.3.4
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling leptos v0.8.10
[INFO] [stderr]    Compiling futuresdr v0.0.39
[INFO] [stderr]    Compiling http-range-header v0.4.2
[INFO] [stderr]    Compiling async-once-cell v0.5.4
[INFO] [stderr]    Compiling matchit v0.8.4
[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling async-fs v2.2.0
[INFO] [stderr]    Compiling async-executor v1.13.3
[INFO] [stderr]    Compiling core_affinity v0.8.3
[INFO] [stderr]    Compiling spin v0.10.0
[INFO] [stderr]    Compiling web-time v1.1.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.104
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling pest_generator v2.8.3
[INFO] [stderr]    Compiling manyhow v0.11.4
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling derive-where v1.6.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.104
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling syn_derive v0.2.0
[INFO] [stderr]    Compiling quote-use-macros v0.8.4
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[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-2.0.107/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 -C debuginfo=2 --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="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=df19e05ec44fb7ce -C extra-filename=-2529c89bab74c272 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-5a31bf11f84554c0.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e3f576e4088cb3dd.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-5202762c38f18e99.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" "eb6d074bed82692baa87260b09de9322eaa8bbc52b6e28991a798d590d0f09db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb6d074bed82692baa87260b09de9322eaa8bbc52b6e28991a798d590d0f09db", kill_on_drop: false }`
[INFO] [stdout] eb6d074bed82692baa87260b09de9322eaa8bbc52b6e28991a798d590d0f09db
