[INFO] fetching crate cardinality-estimator 1.0.3...
[INFO] testing cardinality-estimator-1.0.3 against master#cced03bfd61a304243a34504618ecec86c17063f for pr-154065-2
[INFO] extracting crate cardinality-estimator 1.0.3 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate cardinality-estimator 1.0.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate cardinality-estimator 1.0.3
[INFO] tweaked toml for crates.io crate cardinality-estimator 1.0.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cardinality-estimator 1.0.3 on toolchain cced03bfd61a304243a34504618ecec86c17063f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cardinality-estimator 1.0.3 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" "+cced03bfd61a304243a34504618ecec86c17063f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wyhash v0.5.0
[INFO] [stderr]   Downloaded test-case-core v3.3.1
[INFO] [stderr]   Downloaded str_stack v0.1.0
[INFO] [stderr]   Downloaded test-case v3.3.1
[INFO] [stderr]   Downloaded test-case-macros v3.3.1
[INFO] [stderr]   Downloaded rand_xorshift v0.2.0
[INFO] [stderr]   Downloaded tabled_derive v0.7.0
[INFO] [stderr]   Downloaded pprof v0.14.1
[INFO] [stderr]   Downloaded symbolic-common v12.17.2
[INFO] [stderr]   Downloaded rgb v0.8.52
[INFO] [stderr]   Downloaded probabilistic-collections v0.7.0
[INFO] [stderr]   Downloaded papergrid v0.11.0
[INFO] [stderr]   Downloaded protobuf-codegen-pure v2.28.0
[INFO] [stderr]   Downloaded protobuf-codegen v2.28.0
[INFO] [stderr]   Downloaded num-format v0.4.4
[INFO] [stderr]   Downloaded tabled v0.15.0
[INFO] [stderr]   Downloaded cpp_demangle v0.5.1
[INFO] [stderr]   Downloaded inferno v0.11.21
[INFO] [stderr]   Downloaded quick-xml v0.26.0
[INFO] [stderr]   Downloaded symbolic-demangle v12.17.2
[INFO] [stderr]   Downloaded protobuf v2.28.0
[INFO] [stderr]   Downloaded hyperloglog v1.0.3
[INFO] [stderr]   Downloaded thousands v0.2.0
[INFO] [stderr]   Downloaded mintex v0.1.4
[INFO] [stderr]   Downloaded hyperloglogplus v0.4.1
[INFO] [stderr]   Downloaded amadeus-streaming v0.4.3
[INFO] [stderr]   Downloaded dhat v0.3.3
[INFO] [stderr]   Downloaded serde_closure v0.3.3
[INFO] [stderr]   Downloaded serde_closure_derive v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ebba212cf3c32339708a07dc6b95d397ee8286fb15b8d22932a4f214b3bad052
[INFO] running `Command { std: "docker" "start" "ebba212cf3c32339708a07dc6b95d397ee8286fb15b8d22932a4f214b3bad052", 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" "ebba212cf3c32339708a07dc6b95d397ee8286fb15b8d22932a4f214b3bad052" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebba212cf3c32339708a07dc6b95d397ee8286fb15b8d22932a4f214b3bad052", 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" "ebba212cf3c32339708a07dc6b95d397ee8286fb15b8d22932a4f214b3bad052" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling unicode-ident v1.0.23
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling wyhash v0.5.0
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling enum_dispatch v0.3.13
[INFO] [stderr]    Compiling cardinality-estimator v1.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `RepresentationError` is never used
[INFO] [stdout]   --> src/representation.rs:42:10
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub enum RepresentationError {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `try_from` is never used
[INFO] [stdout]   --> src/representation.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl<const P: usize, const W: usize> Representation<'_, P, W> {
[INFO] [stdout]    | ------------------------------------------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn try_from<T, H>(
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.44s
[INFO] running `Command { std: "docker" "inspect" "ebba212cf3c32339708a07dc6b95d397ee8286fb15b8d22932a4f214b3bad052", 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" "ebba212cf3c32339708a07dc6b95d397ee8286fb15b8d22932a4f214b3bad052" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.181
[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling zmij v1.0.20
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling cc v1.2.55
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling uuid v1.20.0
[INFO] [stderr]    Compiling cpp_demangle v0.5.1
[INFO] [stderr]    Compiling getrandom v0.4.1
[INFO] [stderr]    Compiling regex-syntax v0.8.9
[INFO] [stderr]    Compiling rustc-demangle v0.1.27
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling clap_lex v0.7.7
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling debugid v0.8.0
[INFO] [stderr]    Compiling clap_builder v4.5.57
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling serde_json v1.0.149
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[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling serde_closure v0.3.3
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling bytemuck v1.25.0
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling bytecount v0.6.9
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling symbolic-demangle v12.17.2
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling rgb v0.8.52
[INFO] [stderr]    Compiling num-format v0.4.4
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling findshlibs v0.10.2
[INFO] [stderr]    Compiling memmap2 v0.9.9
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling symbolic-common v12.17.2
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling clap v4.5.57
[INFO] [stderr]    Compiling protobuf-codegen v2.28.0
[INFO] [stderr]    Compiling test-case-core v3.3.1
[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/cced03bfd61a304243a34504618ecec86c17063f/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.114/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"' --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=1f82b5630aa6c0fc -C extra-filename=-9beeec1efbd0bbf2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-183f829d39b9e7b0.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-923d3c87caf631c6.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-da5762ff2c56da29.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" "ebba212cf3c32339708a07dc6b95d397ee8286fb15b8d22932a4f214b3bad052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebba212cf3c32339708a07dc6b95d397ee8286fb15b8d22932a4f214b3bad052", kill_on_drop: false }`
[INFO] [stdout] ebba212cf3c32339708a07dc6b95d397ee8286fb15b8d22932a4f214b3bad052
