[INFO] fetching crate cardinality-estimator 1.0.2...
[INFO] testing cardinality-estimator-1.0.2 against master#9e136a30a965bf4e63f03095c57df7257bf96fd6 for pr-134530
[INFO] extracting crate cardinality-estimator 1.0.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate cardinality-estimator 1.0.2 on toolchain 9e136a30a965bf4e63f03095c57df7257bf96fd6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cardinality-estimator 1.0.2
[INFO] finished tweaking crates.io crate cardinality-estimator 1.0.2
[INFO] tweaked toml for crates.io crate cardinality-estimator 1.0.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate cardinality-estimator 1.0.2 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" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytecount v0.6.8
[INFO] [stderr]   Downloaded wyhash v0.5.0
[INFO] [stderr]   Downloaded mintex v0.1.3
[INFO] [stderr]   Downloaded rand_xorshift v0.2.0
[INFO] [stderr]   Downloaded symbolic-common v12.8.0
[INFO] [stderr]   Downloaded serde_closure_derive v0.3.3
[INFO] [stderr]   Downloaded thousands v0.2.0
[INFO] [stderr]   Downloaded tabled_derive v0.7.0
[INFO] [stderr]   Downloaded serde_closure v0.3.3
[INFO] [stderr]   Downloaded hyperloglogplus v0.4.1
[INFO] [stderr]   Downloaded amadeus-streaming v0.4.3
[INFO] [stderr]   Downloaded protobuf-codegen-pure v2.28.0
[INFO] [stderr]   Downloaded inferno v0.11.19
[INFO] [stderr]   Downloaded protobuf-codegen v2.28.0
[INFO] [stderr]   Downloaded serde_json v1.0.115
[INFO] [stderr]   Downloaded dhat v0.3.3
[INFO] [stderr]   Downloaded hyperloglog v1.0.2
[INFO] [stderr]   Downloaded pprof v0.13.0
[INFO] [stderr]   Downloaded symbolic-demangle v12.8.0
[INFO] [stderr]   Downloaded probabilistic-collections v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00fdac10c955ece9a61501be1b761029c8a2a90b065b583a0e3021b1f23ed3eb
[INFO] running `Command { std: "docker" "start" "-a" "00fdac10c955ece9a61501be1b761029c8a2a90b065b583a0e3021b1f23ed3eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00fdac10c955ece9a61501be1b761029c8a2a90b065b583a0e3021b1f23ed3eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00fdac10c955ece9a61501be1b761029c8a2a90b065b583a0e3021b1f23ed3eb", kill_on_drop: false }`
[INFO] [stdout] 00fdac10c955ece9a61501be1b761029c8a2a90b065b583a0e3021b1f23ed3eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01d9f73bf88fa8f2c5b512af6979a03b5b658b0c07cdcdba06702b66033ef084
[INFO] running `Command { std: "docker" "start" "-a" "01d9f73bf88fa8f2c5b512af6979a03b5b658b0c07cdcdba06702b66033ef084", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling wyhash v0.5.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling enum_dispatch v0.3.13
[INFO] [stderr]    Compiling cardinality-estimator v1.0.2 (/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: `RepresentationError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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<'a, const P: usize, const W: usize> Representation<'a, 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 7.04s
[INFO] running `Command { std: "docker" "inspect" "01d9f73bf88fa8f2c5b512af6979a03b5b658b0c07cdcdba06702b66033ef084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01d9f73bf88fa8f2c5b512af6979a03b5b658b0c07cdcdba06702b66033ef084", kill_on_drop: false }`
[INFO] [stdout] 01d9f73bf88fa8f2c5b512af6979a03b5b658b0c07cdcdba06702b66033ef084
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c2c194c4862ad432641e3c316cf9ecd80a6211789d32b9b00fb83fe82dfe912
[INFO] running `Command { std: "docker" "start" "-a" "0c2c194c4862ad432641e3c316cf9ecd80a6211789d32b9b00fb83fe82dfe912", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling cc v1.0.94
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustversion v1.0.15
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling either v1.11.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling uuid v1.8.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling plotters-backend v0.3.5
[INFO] [stderr]    Compiling cpp_demangle v0.4.3
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling anstyle v1.0.6
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling clap_builder v4.5.2
[INFO] [stderr]    Compiling serde_closure v0.3.3
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling plotters-svg v0.3.5
[INFO] [stderr]    Compiling debugid v0.8.0
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling zerocopy v0.7.32
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling findshlibs v0.10.2
[INFO] [stderr]    Compiling hashbrown v0.14.3
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[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling bytecount v0.6.8
[INFO] [stderr]    Compiling symbolic-demangle v12.8.0
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling rgb v0.8.37
[INFO] [stderr]    Compiling plotters v0.3.5
[INFO] [stderr]    Compiling getrandom v0.2.14
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling is-terminal v0.4.12
[INFO] [stderr]    Compiling memmap2 v0.9.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling symbolic-common v12.8.0
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling num-format v0.4.4
[INFO] [stderr]    Compiling clap v4.5.4
[INFO] [stderr]    Compiling amadeus-streaming v0.4.3
[INFO] [stderr]    Compiling quick-xml v0.26.0
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling str_stack v0.1.0
[INFO] [stderr]    Compiling siphasher v0.3.11
[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/9e136a30a965bf4e63f03095c57df7257bf96fd6/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.58/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)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=157e9ed11be97647 -C extra-filename=-164f735936e2b951 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-b6d2ecba0f0f6244.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ce9cc7f86865e778.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-f2de522ba645d884.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" "0c2c194c4862ad432641e3c316cf9ecd80a6211789d32b9b00fb83fe82dfe912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c2c194c4862ad432641e3c316cf9ecd80a6211789d32b9b00fb83fe82dfe912", kill_on_drop: false }`
[INFO] [stdout] 0c2c194c4862ad432641e3c316cf9ecd80a6211789d32b9b00fb83fe82dfe912