[INFO] fetching crate sk-tracer 2.4.1...
[INFO] testing sk-tracer-2.4.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate sk-tracer 2.4.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate sk-tracer 2.4.1
[INFO] finished tweaking crates.io crate sk-tracer 2.4.1
[INFO] tweaked toml for crates.io crate sk-tracer 2.4.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sk-tracer 2.4.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sk-tracer 2.4.1 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sk-store v2.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da21d68fe890f1cda4c57b669162f70a2d22545b06f30523578308e978405f1a
[INFO] running `Command { std: "docker" "start" "-a" "da21d68fe890f1cda4c57b669162f70a2d22545b06f30523578308e978405f1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da21d68fe890f1cda4c57b669162f70a2d22545b06f30523578308e978405f1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da21d68fe890f1cda4c57b669162f70a2d22545b06f30523578308e978405f1a", kill_on_drop: false }`
[INFO] [stdout] da21d68fe890f1cda4c57b669162f70a2d22545b06f30523578308e978405f1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2406f91bb1e528c88752e32e29767290a32138156fac3cbe540f59239999ae3
[INFO] running `Command { std: "docker" "start" "-a" "b2406f91bb1e528c88752e32e29767290a32138156fac3cbe540f59239999ae3", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling rustls v0.23.28
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling rustls-native-certs v0.8.1
[INFO] [stderr]    Compiling webpki-roots v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling schemars v0.8.22
[INFO] [stderr]    Compiling iri-string v0.7.8
[INFO] [stderr]    Compiling k8s-openapi v0.25.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling inlinable_string v0.1.15
[INFO] [stderr]    Compiling deranged v0.4.0
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling pem v3.0.5
[INFO] [stderr]    Compiling secrecy v0.10.3
[INFO] [stderr]    Compiling cookie v0.18.1
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling ref-cast v1.0.24
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling event-listener v5.4.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling hostname v0.4.1
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling uncased v0.9.10
[INFO] [stderr]    Compiling ordered-float v2.10.1
[INFO] [stderr]    Compiling async-broadcast v0.7.2
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling predicates-core v1.0.9
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling mockall_derive v0.13.1
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling stable-pattern v0.1.0
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling rustc-demangle v0.1.25
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling winnow v0.7.11
[INFO] [stderr]    Compiling termtree v0.5.1
[INFO] [stderr]    Compiling state v0.6.0
[INFO] [stderr]    Compiling predicates-tree v1.0.12
[INFO] [stderr]    Compiling backtrace v0.3.75
[INFO] [stderr]    Compiling md-5 v0.10.6
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling predicates v3.1.3
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling rustls-pemfile v2.2.0
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling nom v8.0.0
[INFO] [stderr]    Compiling multer v3.1.0
[INFO] [stderr]    Compiling figment v0.10.19
[INFO] [stderr]    Compiling humantime v2.2.0
[INFO] [stderr]    Compiling fragile v2.0.1
[INFO] [stderr]    Compiling downcast v0.11.0
[INFO] [stderr]    Compiling nu-ansi-term v0.50.1
[INFO] [stderr]    Compiling rmp v0.8.14
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling rocket v0.5.1
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling clap_builder v4.5.40
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling devise_core v0.4.2
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling binascii v0.1.4
[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/1.91.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.104/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=6efcb20f87accaaa -C extra-filename=-83def66f6e851215 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-30837483fd0d4fb6.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-bc9abf35f15701cf.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-6d2f6ebc0debe2a6.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" "b2406f91bb1e528c88752e32e29767290a32138156fac3cbe540f59239999ae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2406f91bb1e528c88752e32e29767290a32138156fac3cbe540f59239999ae3", kill_on_drop: false }`
[INFO] [stdout] b2406f91bb1e528c88752e32e29767290a32138156fac3cbe540f59239999ae3
