[INFO] fetching crate scouter-tonic 0.25.0...
[INFO] testing scouter-tonic-0.25.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate scouter-tonic 0.25.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate scouter-tonic 0.25.0
[INFO] finished tweaking crates.io crate scouter-tonic 0.25.0
[INFO] tweaked toml for crates.io crate scouter-tonic 0.25.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate scouter-tonic 0.25.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate scouter-tonic 0.25.0 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d7ce59dc09d5b5f48614c905841601d5cc5b98a533c675701e13217b06f35a2
[INFO] running `Command { std: "docker" "start" "-a" "0d7ce59dc09d5b5f48614c905841601d5cc5b98a533c675701e13217b06f35a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d7ce59dc09d5b5f48614c905841601d5cc5b98a533c675701e13217b06f35a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d7ce59dc09d5b5f48614c905841601d5cc5b98a533c675701e13217b06f35a2", kill_on_drop: false }`
[INFO] [stdout] 0d7ce59dc09d5b5f48614c905841601d5cc5b98a533c675701e13217b06f35a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 032561ca5e512a7245d6bbf874226b000b7f95f99aacaa4a7fa4e2c436857d88
[INFO] running `Command { std: "docker" "start" "-a" "032561ca5e512a7245d6bbf874226b000b7f95f99aacaa4a7fa4e2c436857d88", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling itoa v1.0.17
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling zerocopy v0.8.42
[INFO] [stderr]    Compiling target-lexicon v0.13.5
[INFO] [stderr]    Compiling zerocopy-derive v0.8.42
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling tokio-macros v2.6.1
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling aws-lc-rs v1.16.1
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling rustls-pki-types v1.14.0
[INFO] [stderr]    Compiling ipnet v2.12.0
[INFO] [stderr]    Compiling litemap v0.8.1
[INFO] [stderr]    Compiling writeable v0.6.2
[INFO] [stderr]    Compiling icu_properties_data v2.1.2
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling pyo3-build-config v0.27.2
[INFO] [stderr]    Compiling rustls v0.23.37
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling http-body v1.0.1
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[INFO] [stderr]    Compiling http-body-util v0.1.3
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[INFO] [stderr]    Compiling rustls-native-certs v0.8.3
[INFO] [stderr]    Compiling iri-string v0.7.10
[INFO] [stderr]    Compiling arrow-schema v57.3.0
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]    Compiling yoke v0.8.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling cc v1.2.57
[INFO] [stderr]    Compiling zerovec v0.11.5
[INFO] [stderr]    Compiling zerotrie v0.2.3
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling tokio v1.50.0
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling lexical-util v1.0.7
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[INFO] [stderr]    Compiling unindent v0.2.4
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[INFO] [stderr]    Compiling prost-derive v0.14.3
[INFO] [stderr]    Compiling time-macros v0.2.27
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
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[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling tinystr v0.8.2
[INFO] [stderr]    Compiling potential_utf v0.1.4
[INFO] [stderr]    Compiling icu_collections v2.1.1
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[INFO] [stderr]    Compiling cmake v0.1.57
[INFO] [stderr]    Compiling icu_locale_core v2.1.1
[INFO] [stderr]    Compiling pyo3-macros-backend v0.27.2
[INFO] [stderr]    Compiling pyo3 v0.27.2
[INFO] [stderr]    Compiling lexical-write-integer v1.0.6
[INFO] [stderr]    Compiling lexical-parse-integer v1.0.6
[INFO] [stderr]    Compiling uuid v1.22.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling axum-core v0.5.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling pem v3.0.6
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling unicode-general-category v1.1.0
[INFO] [stderr]    Compiling time v0.3.47
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling schemars_derive v1.2.1
[INFO] [stderr]    Compiling borrow-or-share v0.2.4
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling matchit v0.8.4
[INFO] [stderr]    Compiling aws-lc-sys v0.38.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling icu_provider v2.1.1
[INFO] [stderr]    Compiling dyn-clone v1.0.20
[INFO] [stderr]    Compiling icu_properties v2.1.2
[INFO] [stderr]    Compiling icu_normalizer v2.1.1
[INFO] [stderr]    Compiling prost v0.14.3
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling vte v0.14.1
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling simple_asn1 v0.6.4
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling arrow-buffer v57.3.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling colored_json v5.0.0
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling fluent-uri v0.4.1
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]    Compiling schemars v1.2.1
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling lexical-write-float v1.0.6
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling arrow-data v57.3.0
[INFO] [stderr]    Compiling lexical-parse-float v1.0.6
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling token-source v1.0.0
[INFO] [stderr]    Compiling potatohead-macro v0.19.0
[INFO] [stderr]    Compiling urlencoding v2.1.3
[INFO] [stderr]    Compiling h2 v0.4.13
[INFO] [stderr]    Compiling tower v0.5.3
[INFO] [stderr]    Compiling tokio-stream v0.1.18
[INFO] [stderr]    Compiling arrow-array v57.3.0
[INFO] [stderr]    Compiling bytemuck v1.25.0
[INFO] [stderr]    Compiling home v0.5.12
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling safe_arch v0.7.4
[INFO] [stderr]    Compiling fraction v0.15.3
[INFO] [stderr]    Compiling uuid-simd v0.8.0
[INFO] [stderr]    Compiling lexical-core v1.0.6
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling referencing v0.45.0
[INFO] [stderr]    Compiling flatbuffers v25.12.19
[INFO] [stderr]    Compiling potato-state v0.19.0
[INFO] [stderr]    Compiling ansitok v0.3.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling email_address v0.2.9
[INFO] [stderr]    Compiling pyo3-macros v0.27.2
[INFO] [stderr]    Compiling tower-http v0.6.8
[INFO] [stderr]    Compiling axum v0.8.8
[INFO] [stderr]    Compiling fancy-regex v0.17.0
[INFO] [stderr]    Compiling opentelemetry v0.31.0
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]    Compiling pulldown-cmark v0.13.1
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling data-encoding v2.10.0
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling wide v0.7.33
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling bytes v1.11.1
[INFO] [stderr]    Compiling opentelemetry_sdk v0.31.0
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling arrow-select v57.3.0
[INFO] [stderr]    Compiling hyper v1.8.1
[INFO] [stderr]    Compiling simba v0.9.1
[INFO] [stderr]    Compiling const-hex v1.18.1
[INFO] [stderr] error: could not compile `h2` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name h2 --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/h2-0.4.13/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 --warn=unexpected_cfgs --check-cfg 'cfg(fuzzing)' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("stream", "unstable"))' -C metadata=f1558c40be5ab214 -C extra-filename=-5a1837bb577d6eb2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atomic_waker=/opt/rustwide/target/debug/deps/libatomic_waker-4d8f3a876068a9c4.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-00a102391b5f478f.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-bf8b415be0978c3b.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-3f2014b84910caad.rmeta --extern futures_sink=/opt/rustwide/target/debug/deps/libfutures_sink-972a6e6f22232cfe.rmeta --extern http=/opt/rustwide/target/debug/deps/libhttp-739193c5c4929132.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-bb972d748f1eb148.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-229cf4143d039c7e.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-bad693d876c4b7d6.rmeta --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-37869b60e814edd8.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-243efdb17f768d89.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "032561ca5e512a7245d6bbf874226b000b7f95f99aacaa4a7fa4e2c436857d88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "032561ca5e512a7245d6bbf874226b000b7f95f99aacaa4a7fa4e2c436857d88", kill_on_drop: false }`
[INFO] [stdout] 032561ca5e512a7245d6bbf874226b000b7f95f99aacaa4a7fa4e2c436857d88
