[INFO] fetching crate pgx_prometheus_exporter 0.0.1-alpha...
[INFO] building pgx_prometheus_exporter-0.0.1-alpha against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate pgx_prometheus_exporter 0.0.1-alpha into /workspace/builds/worker-0-tc2/source
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate pgx_prometheus_exporter 0.0.1-alpha
[INFO] finished tweaking crates.io crate pgx_prometheus_exporter 0.0.1-alpha
[INFO] tweaked toml for crates.io crate pgx_prometheus_exporter 0.0.1-alpha written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pgx_prometheus_exporter 0.0.1-alpha on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--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]      Locking 284 packages to latest compatible versions
[INFO] [stderr]       Adding pgx v0.6.1 (available: v0.7.4)
[INFO] [stderr]       Adding pgx-tests v0.6.1 (available: v0.7.4)
[INFO] [stderr]       Adding prometheus-client v0.19.0 (available: v0.24.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7117566bc283e2da4e481d2fb8785b1af90c71fb26050ab24cb15837ff4afa67
[INFO] running `Command { std: "docker" "start" "-a" "7117566bc283e2da4e481d2fb8785b1af90c71fb26050ab24cb15837ff4afa67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7117566bc283e2da4e481d2fb8785b1af90c71fb26050ab24cb15837ff4afa67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7117566bc283e2da4e481d2fb8785b1af90c71fb26050ab24cb15837ff4afa67", kill_on_drop: false }`
[INFO] [stdout] 7117566bc283e2da4e481d2fb8785b1af90c71fb26050ab24cb15837ff4afa67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2c0388b8150eb534a89d08330b0654e5421c78958912879dc7d41901744b0af
[INFO] running `Command { std: "docker" "start" "-a" "f2c0388b8150eb534a89d08330b0654e5421c78958912879dc7d41901744b0af", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling writeable v0.6.1
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling litemap v0.8.0
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling find-msvc-tools v0.1.2
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling nu-ansi-term v0.50.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr] error: could not compile `proc-macro2` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name proc_macro2 --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.101/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="proc-macro"' --cfg 'feature="span-locations"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "nightly", "proc-macro", "span-locations"))' -C metadata=cc57e76c95a91d37 -C extra-filename=-d99853f21ff745c1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-199ac28c6a0267fb.rmeta --cap-lints allow --cap-lints=forbid --cfg span_locations --cfg wrap_proc_macro --cfg proc_macro_span --cfg proc_macro_span_location --cfg proc_macro_span_file --check-cfg 'cfg(fuzzing)' --check-cfg 'cfg(no_is_available)' --check-cfg 'cfg(no_literal_byte_character)' --check-cfg 'cfg(no_literal_c_string)' --check-cfg 'cfg(no_source_text)' --check-cfg 'cfg(proc_macro_span)' --check-cfg 'cfg(proc_macro_span_file)' --check-cfg 'cfg(proc_macro_span_location)' --check-cfg 'cfg(procmacro2_backtrace)' --check-cfg 'cfg(procmacro2_build_probe)' --check-cfg 'cfg(procmacro2_nightly_testing)' --check-cfg 'cfg(procmacro2_semver_exempt)' --check-cfg 'cfg(randomize_layout)' --check-cfg 'cfg(span_locations)' --check-cfg 'cfg(super_unstable)' --check-cfg 'cfg(wrap_proc_macro)'` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `regex-syntax` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name regex_syntax --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-syntax-0.8.6/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("arbitrary", "default", "std", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment"))' -C metadata=9ae31920585c82b5 -C extra-filename=-516284acc093cdd9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "f2c0388b8150eb534a89d08330b0654e5421c78958912879dc7d41901744b0af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2c0388b8150eb534a89d08330b0654e5421c78958912879dc7d41901744b0af", kill_on_drop: false }`
[INFO] [stdout] f2c0388b8150eb534a89d08330b0654e5421c78958912879dc7d41901744b0af