[INFO] fetching crate cbe-metrics 1.15.0...
[INFO] checking cbe-metrics-1.15.0 against f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1 for pr-160235-1
[INFO] extracting crate cbe-metrics 1.15.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate cbe-metrics 1.15.0
[INFO] finished tweaking crates.io crate cbe-metrics 1.15.0
[INFO] tweaked toml for crates.io crate cbe-metrics 1.15.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cbe-metrics 1.15.0 on toolchain f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "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" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 320 packages to highest compatible versions
[INFO] [stderr]       Adding array-bytes v1.4.1 (available: v1.6.0)
[INFO] [stderr]       Adding crypto-common v0.1.6 (available: v0.1.7)
[INFO] [stderr]       Adding env_logger v0.9.3 (available: v0.11.11)
[INFO] [stderr]       Adding gethostname v0.2.3 (available: v1.1.0)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.10.2)
[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.13.5)
[INFO] [stderr]       Adding serial_test v0.9.0 (available: v4.0.1)
[INFO] [stderr]       Adding zeroize v1.3.0 (available: v1.9.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `cbe-metrics` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0cf625ca2f88073b9bbccc020729103148d95d79445088c3c3ea5966f746c929
[INFO] running `Command { std: "docker" "start" "0cf625ca2f88073b9bbccc020729103148d95d79445088c3c3ea5966f746c929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cf625ca2f88073b9bbccc020729103148d95d79445088c3c3ea5966f746c929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0cf625ca2f88073b9bbccc020729103148d95d79445088c3c3ea5966f746c929" "/opt/rustwide/cargo-home/bin/cargo" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cf625ca2f88073b9bbccc020729103148d95d79445088c3c3ea5966f746c929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0cf625ca2f88073b9bbccc020729103148d95d79445088c3c3ea5966f746c929" "/opt/rustwide/cargo-home/bin/cargo" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `cbe-metrics` (manifest) generated 1 warning
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]     Checking typenum v1.20.1
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling find-msvc-tools v0.1.12
[INFO] [stderr]    Compiling zerocopy v0.8.57
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]    Compiling rustversion v1.0.23
[INFO] [stderr]    Compiling semver v1.0.28
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.23
[INFO] [stderr]    Compiling pest v2.9.1
[INFO] [stderr]     Checking bytes v1.12.1
[INFO] [stderr]     Checking log v0.4.34
[INFO] [stderr]     Checking futures-core v0.3.34
[INFO] [stderr]     Checking futures-sink v0.3.34
[INFO] [stderr]     Checking smallvec v1.16.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.21
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.128
[INFO] [stderr]     Checking futures-channel v0.3.34
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling crossbeam-deque v0.8.8
[INFO] [stderr]     Checking litemap v0.8.3
[INFO] [stderr]     Checking futures-io v0.3.34
[INFO] [stderr]     Checking writeable v0.6.4
[INFO] [stderr]     Checking futures-task v0.3.34
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]     Checking futures-util v0.3.34
[INFO] [stderr]    Compiling syn v3.0.5
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling libsecp256k1-core v0.2.2
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]    Compiling icu_properties_data v2.3.0
[INFO] [stderr]    Compiling zmij v1.0.23
[INFO] [stderr]    Compiling icu_normalizer_data v2.3.0
[INFO] [stderr]    Compiling num-integer v0.1.47
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.4
[INFO] [stderr]     Checking either v1.18.0
[INFO] [stderr]    Compiling num-bigint v0.4.8
[INFO] [stderr]    Compiling feature-probe v0.1.1
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]     Checking hybrid-array v0.4.15
[INFO] [stderr]     Checking cmov v0.5.4
[INFO] [stderr]    Compiling crc32fast v1.5.2
[INFO] [stderr]    Compiling indexmap v2.14.2
[INFO] [stderr]    Compiling jobserver v0.1.35
[INFO] [stderr]    Compiling bv v0.11.1
[INFO] [stderr]    Compiling semver-parser v0.10.3
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.2.1
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.2.1
[INFO] [stderr]     Checking ctutils v0.4.2
[INFO] [stderr]    Compiling cc v1.4.6
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking alloc-stdlib v0.2.4
[INFO] [stderr]     Checking rayon-core v1.13.0
[INFO] [stderr]     Checking block-buffer v0.12.1
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]     Checking crypto-common v0.2.2
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling ark-ff v0.3.0
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]    Compiling cbe-frozen-abi-macro v1.15.0
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking mio v1.2.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking socket2 v0.6.5
[INFO] [stderr]     Checking aho-corasick v1.1.5
[INFO] [stderr]    Compiling im v15.1.0
[INFO] [stderr]     Checking hashbrown v0.17.1
[INFO] [stderr]     Checking regex-syntax v0.8.11
[INFO] [stderr]    Compiling winnow v0.5.40
[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/f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-3.0.5/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type lib --emit=dep-info,metadata,link -Z embed-metadata=no -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=a056c124d5d167ad -C extra-filename=-5e3bbff8b6aaa95c --out-dir /opt/rustwide/target/debug/build/syn/5e3bbff8b6aaa95c/out -L dependency=/opt/rustwide/target/debug/build/proc-macro2/ee684499ef27f3b8/out -L dependency=/opt/rustwide/target/debug/build/unicode-ident/8c98a1a0e58216a9/out --extern proc_macro2=/opt/rustwide/target/debug/build/proc-macro2/ee684499ef27f3b8/out/libproc_macro2-ee684499ef27f3b8.rmeta --extern quote=/opt/rustwide/target/debug/build/quote/97307b84563a2c10/out/libquote-97307b84563a2c10.rmeta --extern unicode_ident=/opt/rustwide/target/debug/build/unicode-ident/8c98a1a0e58216a9/out/libunicode_ident-8c98a1a0e58216a9.rmeta --cap-lints allow --cap-lints=forbid --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0cf625ca2f88073b9bbccc020729103148d95d79445088c3c3ea5966f746c929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cf625ca2f88073b9bbccc020729103148d95d79445088c3c3ea5966f746c929", kill_on_drop: false }`
[INFO] [stdout] 0cf625ca2f88073b9bbccc020729103148d95d79445088c3c3ea5966f746c929
