[INFO] fetching crate rag_engine 0.8.1...
[INFO] checking rag_engine-0.8.1 against 4d7f6614d0baa7689bd05eba340114667db4d5b7 for pr-133502-28
[INFO] extracting crate rag_engine 0.8.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rag_engine 0.8.1
[INFO] finished tweaking crates.io crate rag_engine 0.8.1
[INFO] tweaked toml for crates.io crate rag_engine 0.8.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rag_engine 0.8.1 on toolchain 4d7f6614d0baa7689bd05eba340114667db4d5b7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d7f6614d0baa7689bd05eba340114667db4d5b7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rag_engine 0.8.1 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" "+4d7f6614d0baa7689bd05eba340114667db4d5b7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e8938ea7ae4c01b4a1cb48e16d0ee539ac877b4c958114def5bb0607cd46e975
[INFO] running `Command { std: "docker" "start" "e8938ea7ae4c01b4a1cb48e16d0ee539ac877b4c958114def5bb0607cd46e975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8938ea7ae4c01b4a1cb48e16d0ee539ac877b4c958114def5bb0607cd46e975", 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" "e8938ea7ae4c01b4a1cb48e16d0ee539ac877b4c958114def5bb0607cd46e975" "/opt/rustwide/cargo-home/bin/cargo" "+4d7f6614d0baa7689bd05eba340114667db4d5b7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8938ea7ae4c01b4a1cb48e16d0ee539ac877b4c958114def5bb0607cd46e975", 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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e8938ea7ae4c01b4a1cb48e16d0ee539ac877b4c958114def5bb0607cd46e975" "/opt/rustwide/cargo-home/bin/cargo" "+4d7f6614d0baa7689bd05eba340114667db4d5b7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]    Compiling find-msvc-tools v0.1.5
[INFO] [stderr]    Compiling zerocopy v0.8.31
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking litemap v0.7.5
[INFO] [stderr]     Checking writeable v0.5.5
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.1
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling icu_properties_data v1.5.1
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling cc v1.2.49
[INFO] [stderr]     Checking utf8_iter v1.0.4
[INFO] [stderr]     Checking adler2 v2.0.1
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.1
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking write16 v1.0.0
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking writeable v0.6.2
[INFO] [stderr]     Checking utf16_iter v1.0.5
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking rustls-pki-types v1.13.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking bytes v1.11.0
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling icu_locale_data v2.1.1
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]     Checking flate2 v1.1.7
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]     Checking litemap v0.8.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling rustls v0.23.26
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking anstyle-parse v0.2.7
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.2
[INFO] [stderr]    Compiling icu_segmenter_data v2.1.1
[INFO] [stderr]     Checking colorchoice v1.0.4
[INFO] [stderr]     Checking anstyle v1.0.13
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking unicode-width v0.2.2
[INFO] [stderr]     Checking anstyle-query v1.1.5
[INFO] [stderr]     Checking hashbrown v0.16.1
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking anstream v0.6.21
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking deranged v0.5.5
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking webpki-roots v0.26.8
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking console v0.15.11
[INFO] [stderr]     Checking indexmap v2.12.1
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking socks v0.3.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking dirs-sys v0.5.0
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]     Checking pom v1.1.0
[INFO] [stderr]    Compiling esaxx-rs v0.1.10
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking time-core v0.1.6
[INFO] [stderr]     Checking jiff v0.2.17
[INFO] [stderr]     Checking bit-vec v0.8.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking tinyvec v1.10.0
[INFO] [stderr]     Checking md-5 v0.10.6
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking core_maths v0.1.1
[INFO] [stderr]     Checking dirs v6.0.0
[INFO] [stderr]     Checking bit-set v0.8.0
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.7
[INFO] [stderr]     Checking indicatif v0.17.11
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking cpu-time v1.0.0
[INFO] [stderr]     Checking castaway v0.2.4
[INFO] [stderr]     Checking combine v4.6.7
[INFO] [stderr]     Checking http v1.4.0
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking time v0.3.44
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking rangemap v1.7.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking weezl v0.1.12
[INFO] [stderr]     Checking fallible-iterator v0.3.0
[INFO] [stderr]    Compiling macro_rules_attribute-proc_macro v0.2.2
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking uuid v1.20.0
[INFO] [stderr]     Checking unicode-normalization v0.1.25
[INFO] [stderr]     Checking r2d2 v0.8.10
[INFO] [stderr]     Checking macro_rules_attribute v0.2.2
[INFO] [stderr]     Checking rayon-cond v0.4.0
[INFO] [stderr]     Checking adobe-cmap-parser v0.4.1
[INFO] [stderr]     Checking type1-encoding-parser v0.1.0
[INFO] [stderr]     Checking euclid v0.20.14
[INFO] [stderr]     Checking zip v0.6.6
[INFO] [stderr]     Checking quick-xml v0.36.2
[INFO] [stderr]     Checking unicode-normalization-alignments v0.1.12
[INFO] [stderr]     Checking postscript v0.14.1
[INFO] [stderr]     Checking cpufeatures v0.2.17
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking fastrand 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/4d7f6614d0baa7689bd05eba340114667db4d5b7/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.111/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=a4046ea6e9f31653 -C extra-filename=-e169ac79dad5a9cf --out-dir /opt/rustwide/target/debug/build/syn/e169ac79dad5a9cf/out -L dependency=/opt/rustwide/target/debug/build/proc-macro2/43e32a25692bf44a/out -L dependency=/opt/rustwide/target/debug/build/quote/01cdf4ac6a2aaf5b/out -L dependency=/opt/rustwide/target/debug/build/unicode-ident/9533002ac35f5809/out --extern proc_macro2=/opt/rustwide/target/debug/build/proc-macro2/43e32a25692bf44a/out/libproc_macro2-43e32a25692bf44a.rmeta --extern quote=/opt/rustwide/target/debug/build/quote/01cdf4ac6a2aaf5b/out/libquote-01cdf4ac6a2aaf5b.rmeta --extern unicode_ident=/opt/rustwide/target/debug/build/unicode-ident/9533002ac35f5809/out/libunicode_ident-9533002ac35f5809.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e8938ea7ae4c01b4a1cb48e16d0ee539ac877b4c958114def5bb0607cd46e975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8938ea7ae4c01b4a1cb48e16d0ee539ac877b4c958114def5bb0607cd46e975", kill_on_drop: false }`
[INFO] [stdout] e8938ea7ae4c01b4a1cb48e16d0ee539ac877b4c958114def5bb0607cd46e975
