[INFO] fetching crate prometheus-client 0.24.0...
[INFO] checking prometheus-client-0.24.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate prometheus-client 0.24.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate prometheus-client 0.24.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate prometheus-client 0.24.0
[INFO] tweaked toml for crates.io crate prometheus-client 0.24.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prometheus-client 0.24.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate prometheus-client 0.24.0 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90354acf20d65ec29ba68b4bd9640ec1ca7720e52b31e087039e8b4287896ae9
[INFO] running `Command { std: "docker" "start" "-a" "90354acf20d65ec29ba68b4bd9640ec1ca7720e52b31e087039e8b4287896ae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90354acf20d65ec29ba68b4bd9640ec1ca7720e52b31e087039e8b4287896ae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90354acf20d65ec29ba68b4bd9640ec1ca7720e52b31e087039e8b4287896ae9", kill_on_drop: false }`
[INFO] [stdout] 90354acf20d65ec29ba68b4bd9640ec1ca7720e52b31e087039e8b4287896ae9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddd590ab261c2eaa9416f526d92d329ea1805306f5b30e6a1627d2d9ece11e56
[INFO] running `Command { std: "docker" "start" "-a" "ddd590ab261c2eaa9416f526d92d329ea1805306f5b30e6a1627d2d9ece11e56", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]    Compiling typeid v1.0.2
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]     Checking once_cell v1.20.3
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking parking v2.2.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking bytes v1.10.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking bitflags v2.8.0
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking litemap v0.7.4
[INFO] [stderr]     Checking writeable v0.5.5
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]     Checking futures-lite v2.6.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling serde_json v1.0.138
[INFO] [stderr]     Checking ryu v1.0.19
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]     Checking icu_locid_transform_data v1.5.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]     Checking icu_properties_data v1.5.0
[INFO] [stderr]     Checking cpufeatures v0.2.17
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking utf16_iter v1.0.5
[INFO] [stderr]     Checking write16 v1.0.0
[INFO] [stderr]     Checking utf8_iter v1.0.4
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking icu_normalizer_data v1.5.0
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]     Checking piper v0.2.4
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]    Compiling const_fn v0.4.11
[INFO] [stderr]     Checking event-listener v5.4.0
[INFO] [stderr]    Compiling cc v1.2.14
[INFO] [stderr]    Compiling httparse v1.10.0
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking async-executor v1.13.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking event-listener-strategy v0.5.3
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling pyo3-build-config v0.22.6
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking async-lock v3.4.0
[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking polyval v0.4.5
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking ctr v0.6.0
[INFO] [stderr]     Checking waker-fn v1.2.0
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking ghash v0.3.1
[INFO] [stderr]     Checking hkdf v0.10.0
[INFO] [stderr]     Checking blocking v1.6.1
[INFO] [stderr]     Checking http v1.2.0
[INFO] [stderr]     Checking aes-gcm v0.8.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]    Compiling http-types v2.12.0
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking local-waker v0.1.4
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]     Checking infer v0.2.3
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling zstd-safe v7.2.1
[INFO] [stderr]    Compiling rustix v0.37.28
[INFO] [stderr]     Checking alloc-stdlib v0.2.2
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking tower-service v0.3.3
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling rustversion v1.0.19
[INFO] [stderr]    Compiling log v0.4.25
[INFO] [stderr]     Checking actix-service v2.0.2
[INFO] [stderr]    Compiling time-macros v0.2.19
[INFO] [stderr]    Compiling zstd-sys v2.0.13+zstd.1.5.6
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]    Compiling pyo3-macros-backend v0.22.6
[INFO] [stderr]    Compiling pyo3-ffi v0.22.6
[INFO] [stderr]     Checking indexmap v2.7.1
[INFO] [stderr]     Checking miniz_oxide v0.8.4
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling bytestring v1.4.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking brotli-decompressor v4.0.2
[INFO] [stderr]     Checking actix-utils v3.0.1
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling cookie v0.16.2
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]    Compiling regex-lite v0.1.6
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]     Checking tower-layer v0.3.3
[INFO] [stderr]     Checking arrayref v0.3.9
[INFO] [stderr]     Checking iana-time-zone v0.1.61
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking flate2 v1.0.35
[INFO] [stderr]     Checking clap_builder v4.5.29
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking time v0.3.37
[INFO] [stderr]    Compiling pyo3 v0.22.6
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking async-dup v1.2.4
[INFO] [stderr]     Checking local-channel v0.1.5
[INFO] [stderr]     Checking brotli v6.0.0
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]    Compiling prometheus-client v0.24.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking language-tags v0.3.2
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking is-terminal v0.4.15
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking unindent v0.2.3
[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/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.98/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=5d05daf318e3d778 -C extra-filename=-b4a81243d07e427b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-ba1164ef8c5072f6.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-45812ef4b8688a30.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-a3690edd3a41f0e2.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" "ddd590ab261c2eaa9416f526d92d329ea1805306f5b30e6a1627d2d9ece11e56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddd590ab261c2eaa9416f526d92d329ea1805306f5b30e6a1627d2d9ece11e56", kill_on_drop: false }`
[INFO] [stdout] ddd590ab261c2eaa9416f526d92d329ea1805306f5b30e6a1627d2d9ece11e56