[INFO] fetching crate cardinality-estimator 1.0.2...
[INFO] testing cardinality-estimator-1.0.2 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate cardinality-estimator 1.0.2 into /workspace/builds/worker-6-tc2/source
[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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cardinality-estimator 1.0.2 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+b83b707f97d809763b7861afa7638871f3339a33" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fc2f7816e667bc912072c3e088f43d3969c2f655875fb631ae15873f35b9e1b
[INFO] running `Command { std: "docker" "start" "-a" "4fc2f7816e667bc912072c3e088f43d3969c2f655875fb631ae15873f35b9e1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fc2f7816e667bc912072c3e088f43d3969c2f655875fb631ae15873f35b9e1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fc2f7816e667bc912072c3e088f43d3969c2f655875fb631ae15873f35b9e1b", kill_on_drop: false }`
[INFO] [stdout] 4fc2f7816e667bc912072c3e088f43d3969c2f655875fb631ae15873f35b9e1b
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6aba986a9938fd84c7a9afa8fbae52fba69d8f421479d9c3c4338e6e3884b58
[INFO] running `Command { std: "docker" "start" "-a" "e6aba986a9938fd84c7a9afa8fbae52fba69d8f421479d9c3c4338e6e3884b58", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[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: `#[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<'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] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/estimator.rs:102:34
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub(crate) fn representation(&self) -> Representation<P, W> {
[INFO] [stdout]     |                                  ^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub(crate) fn representation(&self) -> Representation<'_, P, W> {
[INFO] [stdout]     |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.37s
[INFO] running `Command { std: "docker" "inspect" "e6aba986a9938fd84c7a9afa8fbae52fba69d8f421479d9c3c4338e6e3884b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6aba986a9938fd84c7a9afa8fbae52fba69d8f421479d9c3c4338e6e3884b58", kill_on_drop: false }`
[INFO] [stdout] e6aba986a9938fd84c7a9afa8fbae52fba69d8f421479d9c3c4338e6e3884b58
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e262cff5219612fa99142938c36fc86ad0873da1e65910b9752be948e38d5a46
[INFO] running `Command { std: "docker" "start" "-a" "e262cff5219612fa99142938c36fc86ad0873da1e65910b9752be948e38d5a46", 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 ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustversion v1.0.15
[INFO] [stderr]    Compiling cc v1.0.94
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling either v1.11.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling plotters-backend v0.3.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling cpp_demangle v0.4.3
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling anstyle v1.0.6
[INFO] [stderr]    Compiling uuid v1.8.0
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling serde_closure v0.3.3
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling debugid v0.8.0
[INFO] [stderr]    Compiling clap_builder v4.5.2
[INFO] [stderr]    Compiling plotters-svg v0.3.5
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling findshlibs v0.10.2
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling getrandom v0.2.14
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling memmap2 v0.9.4
[INFO] [stderr]    Compiling is-terminal v0.4.12
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling bytemuck v1.15.0
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling zerocopy v0.7.32
[INFO] [stderr]    Compiling symbolic-demangle v12.8.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling bytecount v0.6.8
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling symbolic-common v12.8.0
[INFO] [stderr]    Compiling plotters v0.3.5
[INFO] [stderr]    Compiling protobuf-codegen v2.28.0
[INFO] [stderr]    Compiling clap v4.5.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling num-format v0.4.4
[INFO] [stderr]    Compiling test-case-core v3.3.1
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr] error: could not compile `protobuf` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/b83b707f97d809763b7861afa7638871f3339a33/bin/rustc --crate-name protobuf --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/protobuf-2.28.0/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 -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("bytes", "serde", "serde_derive", "with-bytes", "with-serde"))' -C metadata=bd0fd15413880925 -C extra-filename=-d8e554c28d9b300d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid --cfg rustc_nightly` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e262cff5219612fa99142938c36fc86ad0873da1e65910b9752be948e38d5a46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e262cff5219612fa99142938c36fc86ad0873da1e65910b9752be948e38d5a46", kill_on_drop: false }`
[INFO] [stdout] e262cff5219612fa99142938c36fc86ad0873da1e65910b9752be948e38d5a46