[INFO] fetching crate syndicate-server 0.51.0-rc.1...
[INFO] testing syndicate-server-0.51.0-rc.1 against master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681-1
[INFO] extracting crate syndicate-server 0.51.0-rc.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate syndicate-server 0.51.0-rc.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate syndicate-server 0.51.0-rc.1
[INFO] tweaked toml for crates.io crate syndicate-server 0.51.0-rc.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate syndicate-server 0.51.0-rc.1 on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate syndicate-server 0.51.0-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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "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 tracing-core v0.1.33
[INFO] [stderr]   Downloaded valuable v0.1.1
[INFO] [stderr]   Downloaded tracing-serde v0.1.3
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[INFO] [stderr]   Downloaded zerocopy-derive v0.8.23
[INFO] [stderr]   Downloaded aes-gcm v0.9.4
[INFO] [stderr]   Downloaded syndicate v0.44.0-rc.2
[INFO] [stderr]   Downloaded regex-syntax v0.6.29
[INFO] [stderr]   Downloaded tungstenite v0.20.1
[INFO] [stderr]   Downloaded unicode-segmentation v1.12.0
[INFO] [stderr]   Downloaded chrono v0.4.40
[INFO] [stderr]   Downloaded icu_locid v1.5.0
[INFO] [stderr]   Downloaded icu_provider v1.5.0
[INFO] [stderr]   Downloaded winapi v0.2.8
[INFO] [stderr]   Downloaded icu_properties v1.5.1
[INFO] [stderr]   Downloaded data-encoding v2.8.0
[INFO] [stderr]   Downloaded icu_normalizer v1.5.0
[INFO] [stderr]   Downloaded curve25519-dalek v3.2.1
[INFO] [stderr]   Downloaded icu_locid_transform_data v1.5.0
[INFO] [stderr]   Downloaded yoke v0.7.5
[INFO] [stderr]   Downloaded polyval v0.5.3
[INFO] [stderr]   Downloaded chacha20poly1305 v0.9.1
[INFO] [stderr]   Downloaded preserves v5.0.0-rc.5
[INFO] [stderr]   Downloaded serde_json v1.0.140
[INFO] [stderr]   Downloaded syn v2.0.100
[INFO] [stderr]   Downloaded litemap v0.7.5
[INFO] [stderr]   Downloaded writeable v0.5.5
[INFO] [stderr]   Downloaded libc v0.2.171
[INFO] [stderr]   Downloaded tokio v1.44.1
[INFO] [stderr]   Downloaded synstructure v0.13.1
[INFO] [stderr]   Downloaded tikv-jemalloc-sys v0.5.4+5.3.0-patched
[INFO] [stderr]   Downloaded zerovec-derive v0.10.3
[INFO] [stderr]   Downloaded ctr v0.8.0
[INFO] [stderr]   Downloaded bumpalo v3.17.0
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[INFO] [stderr]   Downloaded ppv-lite86 v0.2.21
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[INFO] [stderr]   Downloaded tinystr v0.7.6
[INFO] [stderr]   Downloaded yoke-derive v0.7.5
[INFO] [stderr]   Downloaded backtrace v0.3.74
[INFO] [stderr]   Downloaded tokio-util v0.6.10
[INFO] [stderr]   Downloaded cc v1.2.17
[INFO] [stderr]   Downloaded winapi v0.3.9
[INFO] [stderr]   Downloaded notify v4.0.18
[INFO] [stderr]   Downloaded structopt v0.3.26
[INFO] [stderr]   Downloaded sha1 v0.10.6
[INFO] [stderr]   Downloaded idna_adapter v1.2.0
[INFO] [stderr]   Downloaded rand_core v0.5.1
[INFO] [stderr]   Downloaded fuchsia-zircon v0.3.3
[INFO] [stderr]   Downloaded blake2 v0.10.6
[INFO] [stderr]   Downloaded bitflags v2.9.0
[INFO] [stderr]   Downloaded base64 v0.13.1
[INFO] [stderr]   Downloaded bytemuck v1.22.0
[INFO] [stderr]   Downloaded preserves-schema v6.0.0-rc.5
[INFO] [stderr]   Downloaded miniz_oxide v0.8.5
[INFO] [stderr]   Downloaded mio v1.0.3
[INFO] [stderr]   Downloaded socket2 v0.5.8
[INFO] [stderr]   Downloaded sha2 v0.10.8
[INFO] [stderr]   Downloaded getrandom v0.1.16
[INFO] [stderr]   Downloaded inotify v0.7.1
[INFO] [stderr]   Downloaded miow v0.2.2
[INFO] [stderr]   Downloaded net2 v0.2.39
[INFO] [stderr]   Downloaded syndicate-macros v0.35.0-rc.0
[INFO] [stderr]   Downloaded textwrap v0.11.0
[INFO] [stderr]   Downloaded vec_map v0.8.2
[INFO] [stderr]   Downloaded windows-core v0.52.0
[INFO] [stderr]   Downloaded log v0.4.26
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.25
[INFO] [stderr]   Downloaded utf-8 v0.7.6
[INFO] [stderr]   Downloaded ghash v0.4.4
[INFO] [stderr]   Downloaded digest v0.9.0
[INFO] [stderr]   Downloaded wasi v0.9.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded zeroize_derive v1.4.2
[INFO] [stderr]   Downloaded zeroize v1.3.0
[INFO] [stderr]   Downloaded noise-rust-crypto v0.5.0
[INFO] [stderr]   Downloaded fsevent v0.4.0
[INFO] [stderr]   Downloaded fsevent-sys v2.0.1
[INFO] [stderr]   Downloaded lazycell v1.3.0
[INFO] [stderr]   Downloaded fuchsia-zircon-sys v0.3.3
[INFO] [stderr]   Downloaded kernel32-sys v0.2.2
[INFO] [stderr]   Downloaded cfg-if v0.1.10
[INFO] [stderr]   Downloaded redox_syscall v0.5.10
[INFO] [stderr]   Downloaded glob v0.3.2
[INFO] [stderr]   Downloaded filetime v0.2.25
[INFO] [stderr]   Downloaded ws2_32-sys v0.2.1
[INFO] [stderr]   Downloaded dtoa v0.4.8
[INFO] [stderr]   Downloaded hermit-abi v0.1.19
[INFO] [stderr]   Downloaded ansi_term v0.12.1
[INFO] [stderr]   Downloaded sharded-slab v0.1.7
[INFO] [stderr]   Downloaded tracing-attributes v0.1.28
[INFO] [stderr]   Downloaded tracing-log v0.1.4
[INFO] [stderr]   Downloaded iovec v0.1.4
[INFO] [stderr]   Downloaded winapi-build v0.1.1
[INFO] [stderr]   Downloaded mio-extras v2.0.6
[INFO] [stderr]   Downloaded subtle v2.4.1
[INFO] [stderr]   Downloaded convert_case v0.4.0
[INFO] [stderr]   Downloaded atty v0.2.14
[INFO] [stderr]   Downloaded strsim v0.8.0
[INFO] [stderr]   Downloaded heck v0.3.3
[INFO] [stderr]   Downloaded structopt-derive v0.4.18
[INFO] [stderr]   Downloaded tikv-jemallocator v0.5.4
[INFO] [stderr]   Downloaded tokio-stream v0.1.17
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.2
[INFO] [stderr]   Downloaded tracing-futures v0.2.5
[INFO] [stderr]   Downloaded android-tzdata v0.1.1
[INFO] [stderr]   Downloaded iana-time-zone v0.1.61
[INFO] [stderr]   Downloaded smallvec v1.14.0
[INFO] [stderr]   Downloaded thread_local v1.1.8
[INFO] [stderr]   Downloaded poly1305 v0.7.2
[INFO] [stderr]   Downloaded proc-macro-error-attr v1.0.4
[INFO] [stderr]   Downloaded syndicate-schema-plugin v0.12.0-rc.1
[INFO] [stderr]   Downloaded tokio-macros v2.5.0
[INFO] [stderr]   Downloaded rustversion v1.0.20
[INFO] [stderr]   Downloaded lazy_static v1.5.0
[INFO] [stderr]   Downloaded serde v1.0.219
[INFO] [stderr]   Downloaded iana-time-zone-haiku v0.1.2
[INFO] [stderr]   Downloaded matchers v0.0.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.94
[INFO] [stderr]   Downloaded serde_derive v1.0.219
[INFO] [stderr]   Downloaded once_cell v1.21.1
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd8b5425ab69ab852022bb0aa0fba85a349eea5b4d54155340c031408efbb19b
[INFO] running `Command { std: "docker" "start" "-a" "bd8b5425ab69ab852022bb0aa0fba85a349eea5b4d54155340c031408efbb19b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd8b5425ab69ab852022bb0aa0fba85a349eea5b4d54155340c031408efbb19b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd8b5425ab69ab852022bb0aa0fba85a349eea5b4d54155340c031408efbb19b", kill_on_drop: false }`
[INFO] [stdout] bd8b5425ab69ab852022bb0aa0fba85a349eea5b4d54155340c031408efbb19b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8dd256e9a8f406f067224193693050618d546d431193c2870dd47e9ddcb6ed3
[INFO] running `Command { std: "docker" "start" "-a" "b8dd256e9a8f406f067224193693050618d546d431193c2870dd47e9ddcb6ed3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling log v0.4.26
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling once_cell v1.21.1
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling bytemuck v1.22.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling litemap v0.7.5
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling writeable v0.5.5
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.61
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling icu_properties_data v1.5.0
[INFO] [stderr]    Compiling zerocopy v0.8.23
[INFO] [stderr]    Compiling tracing-log v0.1.4
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling opaque-debug v0.3.1
[INFO] [stderr]    Compiling write16 v1.0.0
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.0
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling utf16_iter v1.0.5
[INFO] [stderr]    Compiling universal-hash v0.4.1
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling cipher v0.3.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling chrono v0.4.40
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling parking_lot v0.12.3
[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/0d162b25edd5bf0dba9a22e83b614f1113e90474/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.100/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=4521e0aedd4972b1 -C extra-filename=-b05540c220a3f86d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d9fc52e4a21a670a.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-8f634a3cc9e6f9d7.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b3925cc8f83e9ac1.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" "b8dd256e9a8f406f067224193693050618d546d431193c2870dd47e9ddcb6ed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8dd256e9a8f406f067224193693050618d546d431193c2870dd47e9ddcb6ed3", kill_on_drop: false }`
[INFO] [stdout] b8dd256e9a8f406f067224193693050618d546d431193c2870dd47e9ddcb6ed3