[INFO] fetching crate neocurl 2.0.4...
[INFO] testing neocurl-2.0.4 against 1.91.0 for beta-1.92-2
[INFO] extracting crate neocurl 2.0.4 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate neocurl 2.0.4
[INFO] finished tweaking crates.io crate neocurl 2.0.4
[INFO] tweaked toml for crates.io crate neocurl 2.0.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate neocurl 2.0.4 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 neocurl 2.0.4 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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded potential_utf v0.1.2
[INFO] [stderr]   Downloaded windows-targets v0.53.0
[INFO] [stderr]   Downloaded miniz_oxide v0.8.8
[INFO] [stderr]   Downloaded constant_time_eq v0.1.5
[INFO] [stderr]   Downloaded redox_users v0.3.5
[INFO] [stderr]   Downloaded indoc v2.0.6
[INFO] [stderr]   Downloaded smallstr v0.2.0
[INFO] [stderr]   Downloaded unindent v0.2.4
[INFO] [stderr]   Downloaded pyo3-build-config v0.25.0
[INFO] [stderr]   Downloaded dirs v4.0.0
[INFO] [stderr]   Downloaded anstyle-wincon v3.0.8
[INFO] [stderr]   Downloaded windows-strings v0.3.1
[INFO] [stderr]   Downloaded dirs-sys v0.3.7
[INFO] [stderr]   Downloaded phf_codegen v0.11.3
[INFO] [stderr]   Downloaded phf v0.11.3
[INFO] [stderr]   Downloaded url v2.5.4
[INFO] [stderr]   Downloaded windows-registry v0.4.0
[INFO] [stderr]   Downloaded arrayvec v0.5.2
[INFO] [stderr]   Downloaded pyo3-macros v0.25.0
[INFO] [stderr]   Downloaded dirs v1.0.5
[INFO] [stderr]   Downloaded system-configuration v0.6.1
[INFO] [stderr]   Downloaded rust-argon2 v0.8.3
[INFO] [stderr]   Downloaded security-framework-sys v2.14.0
[INFO] [stderr]   Downloaded hyper-rustls v0.27.6
[INFO] [stderr]   Downloaded target-lexicon v0.13.2
[INFO] [stderr]   Downloaded system-configuration-sys v0.6.0
[INFO] [stderr]   Downloaded blake2b_simd v0.5.11
[INFO] [stderr]   Downloaded mortal v0.2.4
[INFO] [stderr]   Downloaded clap_derive v4.5.32
[INFO] [stderr]   Downloaded tokio-rustls v0.26.2
[INFO] [stderr]   Downloaded owo-colors v4.2.1
[INFO] [stderr]   Downloaded schannel v0.1.27
[INFO] [stderr]   Downloaded terminfo v0.8.0
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.19
[INFO] [stderr]   Downloaded clap v4.5.39
[INFO] [stderr]   Downloaded linefeed v0.6.0
[INFO] [stderr]   Downloaded pyo3-ffi v0.25.0
[INFO] [stderr]   Downloaded hyper-util v0.1.13
[INFO] [stderr]   Downloaded iri-string v0.7.8
[INFO] [stderr]   Downloaded cc v1.2.25
[INFO] [stderr]   Downloaded tokio-util v0.7.15
[INFO] [stderr]   Downloaded unicode-normalization v0.1.24
[INFO] [stderr]   Downloaded hyper v1.6.0
[INFO] [stderr]   Downloaded tower-http v0.6.5
[INFO] [stderr]   Downloaded clap_builder v4.5.39
[INFO] [stderr]   Downloaded h2 v0.4.10
[INFO] [stderr]   Downloaded zerovec v0.11.2
[INFO] [stderr]   Downloaded idna v1.0.3
[INFO] [stderr]   Downloaded openssl v0.10.73
[INFO] [stderr]   Downloaded reqwest v0.12.18
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.25.0
[INFO] [stderr]   Downloaded rustls-webpki v0.103.3
[INFO] [stderr]   Downloaded openssl-sys v0.9.109
[INFO] [stderr]   Downloaded rustls v0.23.27
[INFO] [stderr]   Downloaded pyo3 v0.25.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c37acdff04929f9459428974697c8be6236e9a793bed8cba60331895ddbb472e
[INFO] running `Command { std: "docker" "start" "-a" "c37acdff04929f9459428974697c8be6236e9a793bed8cba60331895ddbb472e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c37acdff04929f9459428974697c8be6236e9a793bed8cba60331895ddbb472e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c37acdff04929f9459428974697c8be6236e9a793bed8cba60331895ddbb472e", kill_on_drop: false }`
[INFO] [stdout] c37acdff04929f9459428974697c8be6236e9a793bed8cba60331895ddbb472e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f7ac210e0c1997fba1d9ad60df7cc16c20674fb2324e4040032f28dc7559f985
[INFO] running `Command { std: "docker" "start" "-a" "f7ac210e0c1997fba1d9ad60df7cc16c20674fb2324e4040032f28dc7559f985", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling cc v1.2.25
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling writeable v0.6.1
[INFO] [stderr]    Compiling litemap v0.8.0
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling http v1.3.1
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling hashbrown v0.15.3
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling tower-service v0.3.3
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling openssl-probe v0.1.6
[INFO] [stderr]    Compiling tinyvec v1.9.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling terminfo v0.8.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling ipnet v2.11.0
[INFO] [stderr]    Compiling portable-atomic v1.11.0
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling pyo3-build-config v0.25.0
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling miniz_oxide v0.8.8
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling smallstr v0.2.0
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling owo-colors v4.2.1
[INFO] [stderr]    Compiling unicode-width v0.2.0
[INFO] [stderr]    Compiling iri-string v0.7.8
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling clap_builder v4.5.39
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling pyo3-ffi v0.25.0
[INFO] [stderr]    Compiling pyo3-macros-backend v0.25.0
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling pyo3 v0.25.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling console v0.15.11
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling tracing-log v0.2.0
[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/1.91.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.101/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=e562e1a52dd777bc -C extra-filename=-f87d2d3b19a6dccd --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" "f7ac210e0c1997fba1d9ad60df7cc16c20674fb2324e4040032f28dc7559f985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7ac210e0c1997fba1d9ad60df7cc16c20674fb2324e4040032f28dc7559f985", kill_on_drop: false }`
[INFO] [stdout] f7ac210e0c1997fba1d9ad60df7cc16c20674fb2324e4040032f28dc7559f985