[INFO] fetching crate samplekit 1.0.0-rc.1...
[INFO] testing samplekit-1.0.0-rc.1 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate samplekit 1.0.0-rc.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate samplekit 1.0.0-rc.1
[INFO] finished tweaking crates.io crate samplekit 1.0.0-rc.1
[INFO] tweaked toml for crates.io crate samplekit 1.0.0-rc.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate samplekit 1.0.0-rc.1 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate samplekit 1.0.0-rc.1 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rstest_macros v0.26.1
[INFO] [stderr]   Downloaded rstest v0.26.1
[INFO] [stderr]   Downloaded icu_locale_fallback_data v2.3.0
[INFO] [stderr]   Downloaded instability v0.3.14
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[INFO] [stderr]   Downloaded by_address v1.2.1
[INFO] [stderr]   Downloaded pulldown-cmark-escape v0.11.0
[INFO] [stderr]   Downloaded icu_locale_fallback v2.3.0
[INFO] [stderr]   Downloaded ratatui-crossterm v0.1.2
[INFO] [stderr]   Downloaded unicode-display-width v0.3.0
[INFO] [stderr]   Downloaded rat-reloc v2.0.2
[INFO] [stderr]   Downloaded rat-cursor v2.0.0
[INFO] [stderr]   Downloaded tui-markdown v0.3.9
[INFO] [stderr]   Downloaded strum v0.28.0
[INFO] [stderr]   Downloaded palette_derive v0.7.7
[INFO] [stderr]   Downloaded smawk v0.3.3
[INFO] [stderr]   Downloaded fxhash v0.2.1
[INFO] [stderr]   Downloaded glob v0.3.4
[INFO] [stderr]   Downloaded unicode-truncate v2.0.1
[INFO] [stderr]   Downloaded kasuari v0.4.12
[INFO] [stderr]   Downloaded str_indices v0.4.4
[INFO] [stderr]   Downloaded lru v0.18.5
[INFO] [stderr]   Downloaded line-clipping v0.3.8
[INFO] [stderr]   Downloaded rat-event v2.1.0
[INFO] [stderr]   Downloaded gix-utils v0.4.0
[INFO] [stderr]   Downloaded strum_macros v0.28.0
[INFO] [stderr]   Downloaded getopts v0.2.24
[INFO] [stderr]   Downloaded iset v0.3.3
[INFO] [stderr]   Downloaded format_num_pattern v0.9.5
[INFO] [stderr]   Downloaded opener v0.8.5
[INFO] [stderr]   Downloaded rat-scrolled v2.0.2
[INFO] [stderr]   Downloaded rat-focus v2.1.1
[INFO] [stderr]   Downloaded rat-markdown v0.7.3
[INFO] [stderr]   Downloaded toml_edit v0.25.15+spec-1.1.0
[INFO] [stderr]   Downloaded pyo3-macros v0.29.2
[INFO] [stderr]   Downloaded gix-hashtable v0.17.0
[INFO] [stderr]   Downloaded hash32 v0.3.1
[INFO] [stderr]   Downloaded nonempty v0.12.0
[INFO] [stderr]   Downloaded gix-zlib v0.2.0
[INFO] [stderr]   Downloaded gix-validate v0.12.0
[INFO] [stderr]   Downloaded gix-trace v0.2.0
[INFO] [stderr]   Downloaded gix-actor v0.43.0
[INFO] [stderr]   Downloaded gix-chunk v0.9.0
[INFO] [stderr]   Downloaded gix-quote v0.9.0
[INFO] [stderr]   Downloaded unicode-bom v2.0.3
[INFO] [stderr]   Downloaded gix-tempfile v25.0.0
[INFO] [stderr]   Downloaded gix-shallow v0.14.0
[INFO] [stderr]   Downloaded gix-lock v25.0.0
[INFO] [stderr]   Downloaded gix-sec v0.15.0
[INFO] [stderr]   Downloaded gix-revision v0.50.0
[INFO] [stderr]   Downloaded textwrap v0.16.4
[INFO] [stderr]   Downloaded serde_yaml_ng v0.10.0
[INFO] [stderr]   Downloaded target-lexicon v0.13.5
[INFO] [stderr]   Downloaded normpath v1.5.2
[INFO] [stderr]   Downloaded globset v0.4.20
[INFO] [stderr]   Downloaded gix-worktree-stream v0.37.0
[INFO] [stderr]   Downloaded gix-traverse v0.62.0
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[INFO] [stderr]   Downloaded gix-features v0.50.0
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[INFO] [stderr]   Downloaded gix-date v0.17.0
[INFO] [stderr]   Downloaded gix-commitgraph v0.40.0
[INFO] [stderr]   Downloaded gix-packetline v0.23.0
[INFO] [stderr]   Downloaded gix-glob v0.28.0
[INFO] [stderr]   Downloaded gix-url v0.39.0
[INFO] [stderr]   Downloaded gix-refspec v0.46.0
[INFO] [stderr]   Downloaded ratatui v0.30.2
[INFO] [stderr]   Downloaded gix-revwalk v0.36.0
[INFO] [stderr]   Downloaded gix-path v0.13.0
[INFO] [stderr]   Downloaded gix-fs v0.23.0
[INFO] [stderr]   Downloaded gix-command v0.11.0
[INFO] [stderr]   Downloaded gix-attributes v0.36.0
[INFO] [stderr]   Downloaded gix-macros v0.2.0
[INFO] [stderr]   Downloaded gix-discover v0.56.0
[INFO] [stderr]   Downloaded compact_str v0.9.1
[INFO] [stderr]   Downloaded pyo3-build-config v0.29.2
[INFO] [stderr]   Downloaded nucleo-matcher v0.3.1
[INFO] [stderr]   Downloaded gix-error v0.4.0
[INFO] [stderr]   Downloaded sha1dc v0.1.3
[INFO] [stderr]   Downloaded heapless v0.8.0
[INFO] [stderr]   Downloaded gix-filter v0.35.0
[INFO] [stderr]   Downloaded gix-ref v0.68.0
[INFO] [stderr]   Downloaded gix-protocol v0.66.0
[INFO] [stderr]   Downloaded gethostname v1.1.0
[INFO] [stderr]   Downloaded ropey v1.6.1
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.29.2
[INFO] [stderr]   Downloaded pyo3-ffi v0.29.2
[INFO] [stderr]   Downloaded gix-object v0.65.0
[INFO] [stderr]   Downloaded prodash v31.0.0
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.17
[INFO] [stderr]   Downloaded gix-transport v0.60.0
[INFO] [stderr]   Downloaded clru v0.6.3
[INFO] [stderr]   Downloaded gix-note v0.2.0
[INFO] [stderr]   Downloaded gix-config-value v0.20.0
[INFO] [stderr]   Downloaded etcetera v0.11.0
[INFO] [stderr]   Downloaded is_executable v1.0.6
[INFO] [stderr]   Downloaded gix-pack v0.75.0
[INFO] [stderr]   Downloaded rat-text v3.1.0
[INFO] [stderr]   Downloaded gix-odb v0.85.0
[INFO] [stderr]   Downloaded clap_complete v4.5.59
[INFO] [stderr]   Downloaded ratatui-core v0.1.2
[INFO] [stderr]   Downloaded itertools v0.15.0
[INFO] [stderr]   Downloaded regex-cursor v0.1.5
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[INFO] [stderr]   Downloaded pure-rust-locales v0.8.2
[INFO] [stderr]   Downloaded gix-diff v0.68.0
[INFO] [stderr]   Downloaded gix-config v0.61.0
[INFO] [stderr]   Downloaded ratatui-widgets v0.3.2
[INFO] [stderr]   Downloaded palette v0.7.7
[INFO] [stderr]   Downloaded clap_builder v4.6.6
[INFO] [stderr]   Downloaded gix v0.88.0
[INFO] [stderr]   Downloaded bstr v1.13.1
[INFO] [stderr]   Downloaded pyo3 v0.29.2
[INFO] [stderr]   Downloaded icu_segmenter_data v2.3.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3467b556cef4e57534c0cca336db45b564dce6ab7508812a08a3551432c604a3
[INFO] running `Command { std: "docker" "start" "3467b556cef4e57534c0cca336db45b564dce6ab7508812a08a3551432c604a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3467b556cef4e57534c0cca336db45b564dce6ab7508812a08a3551432c604a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3467b556cef4e57534c0cca336db45b564dce6ab7508812a08a3551432c604a3" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3467b556cef4e57534c0cca336db45b564dce6ab7508812a08a3551432c604a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3467b556cef4e57534c0cca336db45b564dce6ab7508812a08a3551432c604a3" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]    Compiling regex-syntax v0.8.11
[INFO] [stderr]    Compiling smallvec v1.16.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling bitflags v2.13.2
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling aho-corasick v1.1.5
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling gix-trace v0.2.0
[INFO] [stderr]    Compiling fastrand v2.5.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.25
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling crc32fast v1.5.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling faster-hex v0.10.1
[INFO] [stderr]    Compiling rustix v1.1.5
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling unicode-segmentation v1.13.3
[INFO] [stderr]    Compiling rustversion v1.0.23
[INFO] [stderr]    Compiling sha1dc v0.1.3
[INFO] [stderr]    Compiling hashbrown v0.17.1
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling jiff-core v0.1.1
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling either v1.18.0
[INFO] [stderr]    Compiling thiserror v2.0.20
[INFO] [stderr]    Compiling syn v3.0.5
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling log v0.4.34
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling castaway v0.2.4
[INFO] [stderr]    Compiling critical-section v1.2.0
[INFO] [stderr]    Compiling convert_case v0.10.0
[INFO] [stderr]    Compiling compact_str v0.9.1
[INFO] [stderr]    Compiling litrs v1.0.0
[INFO] [stderr]    Compiling indoc v2.0.7
[INFO] [stderr]    Compiling winnow v1.0.4
[INFO] [stderr]    Compiling lru v0.18.5
[INFO] [stderr]    Compiling writeable v0.6.4
[INFO] [stderr]    Compiling nonempty v0.12.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling semver v1.0.28
[INFO] [stderr]    Compiling jiff v0.2.37
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling litemap v0.8.3
[INFO] [stderr]    Compiling memchr v2.8.3
[INFO] [stderr]    Compiling document-features v0.2.12
[INFO] [stderr]    Compiling toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling icu_locale_fallback_data v2.3.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling line-clipping v0.3.8
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling typenum v1.20.1
[INFO] [stderr]    Compiling indexmap v2.14.2
[INFO] [stderr]    Compiling icu_segmenter_data v2.3.0
[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/1.99.0-beta.8-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.119/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=4565b11fca945c81 -C extra-filename=-1035e3f7764ffed5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-1d5d6dba8077737c.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-383511eb8b508f23.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-1996c11fff15f062.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" "3467b556cef4e57534c0cca336db45b564dce6ab7508812a08a3551432c604a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3467b556cef4e57534c0cca336db45b564dce6ab7508812a08a3551432c604a3", kill_on_drop: false }`
[INFO] [stdout] 3467b556cef4e57534c0cca336db45b564dce6ab7508812a08a3551432c604a3
