[INFO] fetching crate bpf-metrics-exporter 0.5.6...
[INFO] checking bpf-metrics-exporter-0.5.6 against try#7df376b035b3d12ff0386ad8b45b76dbe020257b for pr-142712
[INFO] extracting crate bpf-metrics-exporter 0.5.6 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate bpf-metrics-exporter 0.5.6
[INFO] finished tweaking crates.io crate bpf-metrics-exporter 0.5.6
[INFO] tweaked toml for crates.io crate bpf-metrics-exporter 0.5.6 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bpf-metrics-exporter 0.5.6 on toolchain 7df376b035b3d12ff0386ad8b45b76dbe020257b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate bpf-metrics-exporter 0.5.6 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" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e51580e6b5adddb291428248898d9c1fb6e5f2772f417c5ea906f098f8aee596
[INFO] running `Command { std: "docker" "start" "-a" "e51580e6b5adddb291428248898d9c1fb6e5f2772f417c5ea906f098f8aee596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e51580e6b5adddb291428248898d9c1fb6e5f2772f417c5ea906f098f8aee596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e51580e6b5adddb291428248898d9c1fb6e5f2772f417c5ea906f098f8aee596", kill_on_drop: false }`
[INFO] [stdout] e51580e6b5adddb291428248898d9c1fb6e5f2772f417c5ea906f098f8aee596
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c39d08919f51b83bb01e6f3682e9d7aecb82f447fad4e34e3a4dd66b4e65260
[INFO] running `Command { std: "docker" "start" "-a" "9c39d08919f51b83bb01e6f3682e9d7aecb82f447fad4e34e3a4dd66b4e65260", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]     Checking log v0.4.25
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling prettyplease v0.2.29
[INFO] [stderr]     Checking bitflags v2.8.0
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling libloading v0.8.6
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling bindgen v0.69.5
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]     Checking pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]     Checking flagset v0.4.6
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling serde_json v1.0.138
[INFO] [stderr]    Compiling aws-lc-rs v1.12.2
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking indexmap v2.7.1
[INFO] [stderr]     Checking rustls-pki-types v1.11.0
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling openssl v0.10.70
[INFO] [stderr]    Compiling rustls v0.23.23
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling native-tls v0.2.13
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling semver v1.0.25
[INFO] [stderr]     Checking webpki-roots v0.26.8
[INFO] [stderr]     Checking lexical-util v1.0.6
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling cc v1.2.13
[INFO] [stderr]     Checking base16ct v0.2.0
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking rustls-pemfile v2.2.0
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]     Checking lexical-write-integer v1.0.5
[INFO] [stderr]     Checking lexical-parse-integer v1.0.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking password-hash v0.5.0
[INFO] [stderr]     Checking ff v0.13.0
[INFO] [stderr]     Checking lexical-write-float v1.0.5
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]     Checking lexical-parse-float v1.0.5
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling num-bigint-dig v0.8.4
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking lexical-core v1.0.5
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling core-error v0.0.0
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking lexical v7.0.4
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking bstr v1.11.3
[INFO] [stderr]     Checking http-auth v0.1.10
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]     Checking strum v0.26.3
[INFO] [stderr]    Compiling openssl-sys v0.9.105
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling libz-sys v1.1.21
[INFO] [stderr]     Checking ryu-js v0.2.2
[INFO] [stderr]     Checking dyn-clone v1.0.18
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking winnow v0.7.2
[INFO] [stderr]     Checking cached_proc_macro_types v0.1.1
[INFO] [stderr]     Checking urlencoding v2.1.3
[INFO] [stderr]     Checking utf8-decode v1.0.1
[INFO] [stderr]     Checking typed-path v0.9.3
[INFO] [stderr]     Checking decoded-char v0.1.1
[INFO] [stderr]     Checking locspan v0.8.2
[INFO] [stderr]     Checking web-time v1.1.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking clap_builder v4.5.29
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking filetime v0.2.25
[INFO] [stderr]     Checking ordered-float v4.6.0
[INFO] [stderr]     Checking env_filter v0.1.3
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking unicode-width 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/7df376b035b3d12ff0386ad8b45b76dbe020257b/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" "9c39d08919f51b83bb01e6f3682e9d7aecb82f447fad4e34e3a4dd66b4e65260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c39d08919f51b83bb01e6f3682e9d7aecb82f447fad4e34e3a4dd66b4e65260", kill_on_drop: false }`
[INFO] [stdout] 9c39d08919f51b83bb01e6f3682e9d7aecb82f447fad4e34e3a4dd66b4e65260