[INFO] fetching crate metrics-process 2.4.0...
[INFO] testing metrics-process-2.4.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237
[INFO] extracting crate metrics-process 2.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate metrics-process 2.4.0
[INFO] finished tweaking crates.io crate metrics-process 2.4.0
[INFO] tweaked toml for crates.io crate metrics-process 2.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate metrics-process 2.4.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 198 packages to latest compatible versions
[INFO] [stderr]       Adding axum v0.7.9 (available: v0.8.4)
[INFO] [stderr]       Adding mach2 v0.4.3 (available: v0.5.0)
[INFO] [stderr]       Adding metrics-exporter-prometheus v0.16.2 (available: v0.17.2)
[INFO] [stderr]       Adding procfs v0.17.0 (available: v0.18.0)
[INFO] [stderr]       Adding windows v0.58.0 (available: v0.62.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9916b836ef3a35b8cc76cf93dda95213c0f07e674a174833844223c5da1a5be
[INFO] running `Command { std: "docker" "start" "-a" "a9916b836ef3a35b8cc76cf93dda95213c0f07e674a174833844223c5da1a5be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9916b836ef3a35b8cc76cf93dda95213c0f07e674a174833844223c5da1a5be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9916b836ef3a35b8cc76cf93dda95213c0f07e674a174833844223c5da1a5be", kill_on_drop: false }`
[INFO] [stdout] a9916b836ef3a35b8cc76cf93dda95213c0f07e674a174833844223c5da1a5be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4eb201f6cb8d584b82110203fa70f4563bd48064eefc6b8a6ce404f18cf73540
[INFO] running `Command { std: "docker" "start" "-a" "4eb201f6cb8d584b82110203fa70f4563bd48064eefc6b8a6ce404f18cf73540", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling procfs v0.17.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling procfs-core v0.17.0
[INFO] [stderr]    Compiling metrics v0.24.2
[INFO] [stderr]    Compiling metrics-process v2.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.54s
[INFO] running `Command { std: "docker" "inspect" "4eb201f6cb8d584b82110203fa70f4563bd48064eefc6b8a6ce404f18cf73540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eb201f6cb8d584b82110203fa70f4563bd48064eefc6b8a6ce404f18cf73540", kill_on_drop: false }`
[INFO] [stdout] 4eb201f6cb8d584b82110203fa70f4563bd48064eefc6b8a6ce404f18cf73540
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 974ae8223a45da5d85d0249cd7cbaccab21e12597ccb0e5f5a9d6b7d0d88e439
[INFO] running `Command { std: "docker" "start" "-a" "974ae8223a45da5d85d0249cd7cbaccab21e12597ccb0e5f5a9d6b7d0d88e439", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling http v1.3.1
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling aws-lc-rs v1.14.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling cc v1.2.36
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling rustls v0.23.31
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling raw-cpuid v11.6.0
[INFO] [stderr]    Compiling indexmap v2.11.1
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling rustls-native-certs v0.8.1
[INFO] [stderr]    Compiling rand_xoshiro v0.7.0
[INFO] [stderr]    Compiling sketches-ddsketch v0.3.0
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling matchit v0.7.3
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling ipnet v2.11.0
[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stderr]    Compiling cmake v0.1.54
[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/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.106/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="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=03f1a239e63eda50 -C extra-filename=-763640f3cb8fa514 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a28683de7e2d991e.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-084ae52e87cd4d87.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b4c15d9166d0a657.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" "974ae8223a45da5d85d0249cd7cbaccab21e12597ccb0e5f5a9d6b7d0d88e439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "974ae8223a45da5d85d0249cd7cbaccab21e12597ccb0e5f5a9d6b7d0d88e439", kill_on_drop: false }`
[INFO] [stdout] 974ae8223a45da5d85d0249cd7cbaccab21e12597ccb0e5f5a9d6b7d0d88e439