[INFO] fetching crate scouter-profile 0.25.0...
[INFO] testing scouter-profile-0.25.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate scouter-profile 0.25.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate scouter-profile 0.25.0
[INFO] finished tweaking crates.io crate scouter-profile 0.25.0
[INFO] tweaked toml for crates.io crate scouter-profile 0.25.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate scouter-profile 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-profile 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3e76421a7997bd7b50eb9ce0887b9fe521ae4ede6977063325dab1b4ebf6678b
[INFO] running `Command { std: "docker" "start" "-a" "3e76421a7997bd7b50eb9ce0887b9fe521ae4ede6977063325dab1b4ebf6678b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e76421a7997bd7b50eb9ce0887b9fe521ae4ede6977063325dab1b4ebf6678b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e76421a7997bd7b50eb9ce0887b9fe521ae4ede6977063325dab1b4ebf6678b", kill_on_drop: false }`
[INFO] [stdout] 3e76421a7997bd7b50eb9ce0887b9fe521ae4ede6977063325dab1b4ebf6678b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 382071608c7368b7699ef6234bead021422f82726c22c4ee6fe7cb2df1646558
[INFO] running `Command { std: "docker" "start" "-a" "382071608c7368b7699ef6234bead021422f82726c22c4ee6fe7cb2df1646558", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling zerocopy v0.8.42
[INFO] [stderr]    Compiling zerocopy-derive v0.8.42
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling cc v1.2.57
[INFO] [stderr]    Compiling tokio-macros v2.6.1
[INFO] [stderr]    Compiling target-lexicon v0.13.5
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling aws-lc-rs v1.16.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling rustls v0.23.37
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling arrow-schema v57.3.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]    Compiling unindent v0.2.4
[INFO] [stderr]    Compiling pyo3-build-config v0.27.2
[INFO] [stderr]    Compiling tokio v1.50.0
[INFO] [stderr]    Compiling time-macros v0.2.27
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling schemars_derive v1.2.1
[INFO] [stderr]    Compiling uuid v1.22.0
[INFO] [stderr]    Compiling cmake v0.1.57
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling colored_json v5.0.0
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling pem v3.0.6
[INFO] [stderr]    Compiling bytecount v0.6.9
[INFO] [stderr]    Compiling borrow-or-share v0.2.4
[INFO] [stderr]    Compiling zerovec v0.11.5
[INFO] [stderr]    Compiling zerotrie v0.2.3
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling unicode-general-category v1.1.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling time v0.3.47
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]    Compiling vte v0.14.1
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling fluent-uri v0.4.1
[INFO] [stderr]    Compiling aws-lc-sys v0.38.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling pyo3-ffi v0.27.2
[INFO] [stderr]    Compiling tinystr v0.8.2
[INFO] [stderr]    Compiling potential_utf v0.1.4
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling icu_collections v2.1.1
[INFO] [stderr]    Compiling icu_locale_core v2.1.1
[INFO] [stderr]    Compiling pyo3-macros-backend v0.27.2
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling pyo3 v0.27.2
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling token-source v1.0.0
[INFO] [stderr]    Compiling schemars v1.2.1
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling potatohead-macro v0.19.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.11
[INFO] [stderr]    Compiling safe_arch v0.7.4
[INFO] [stderr]    Compiling uuid-simd v0.8.0
[INFO] [stderr]    Compiling icu_provider v2.1.1
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling icu_normalizer v2.1.1
[INFO] [stderr]    Compiling icu_properties v2.1.2
[INFO] [stderr]    Compiling fancy-regex v0.17.0
[INFO] [stderr]    Compiling prost-derive v0.14.3
[INFO] [stderr]    Compiling pin-project v1.1.11
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling simple_asn1 v0.6.4
[INFO] [stderr]    Compiling ansitok v0.3.0
[INFO] [stderr]    Compiling flatbuffers v25.12.19
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]    Compiling fraction v0.15.3
[INFO] [stderr]    Compiling email_address v0.2.9
[INFO] [stderr]    Compiling opentelemetry v0.31.0
[INFO] [stderr]    Compiling num-cmp v0.1.0
[INFO] [stderr]    Compiling data-encoding v2.10.0
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling rayon v1.11.0
[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 csv-core v0.1.13
[INFO] [stderr]    Compiling prost v0.14.3
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling const-hex v1.18.1
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling ansi-str v0.9.0
[INFO] [stderr]    Compiling owo-colors v4.3.0
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling tabled_derive v0.11.0
[INFO] [stderr]    Compiling testing_table v0.3.0
[INFO] [stderr]    Compiling noisy_float v0.2.1
[INFO] [stderr]    Compiling numpy v0.27.1
[INFO] [stderr]    Compiling papergrid v0.17.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling cron v0.15.0
[INFO] [stderr]    Compiling console v0.16.3
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr] error: could not compile `regex-automata` (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 regex_automata --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-automata-0.4.14/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 --allow=unexpected_cfgs --check-cfg 'cfg(docsrs_regex)' --cfg 'feature="alloc"' --cfg 'feature="dfa"' --cfg 'feature="dfa-build"' --cfg 'feature="dfa-onepass"' --cfg 'feature="dfa-search"' --cfg 'feature="hybrid"' --cfg 'feature="meta"' --cfg 'feature="nfa"' --cfg 'feature="nfa-backtrack"' --cfg 'feature="nfa-pikevm"' --cfg 'feature="nfa-thompson"' --cfg 'feature="perf"' --cfg 'feature="perf-inline"' --cfg 'feature="perf-literal"' --cfg 'feature="perf-literal-multisubstring"' --cfg 'feature="perf-literal-substring"' --cfg 'feature="std"' --cfg 'feature="syntax"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' --cfg 'feature="unicode-word-boundary"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "default", "dfa", "dfa-build", "dfa-onepass", "dfa-search", "hybrid", "internal-instrument", "internal-instrument-pikevm", "logging", "meta", "nfa", "nfa-backtrack", "nfa-pikevm", "nfa-thompson", "perf", "perf-inline", "perf-literal", "perf-literal-multisubstring", "perf-literal-substring", "std", "syntax", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment", "unicode-word-boundary"))' -C metadata=6d0af4a04dd5aa13 -C extra-filename=-d1ed5936e95421dd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-81410deddce382ce.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-19f85ccd2b063f07.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-2cfdfc3e5cb17812.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `tokio` (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 tokio --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.50.0/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 --warn=unexpected_cfgs --check-cfg 'cfg(fuzzing)' --check-cfg 'cfg(loom)' --check-cfg 'cfg(mio_unsupported_force_poll_poll)' --check-cfg 'cfg(tokio_allow_from_blocking_fd)' --check-cfg 'cfg(tokio_internal_mt_counters)' --check-cfg 'cfg(tokio_no_parking_lot)' --check-cfg 'cfg(tokio_no_tuning_tests)' --check-cfg 'cfg(tokio_unstable)' --check-cfg 'cfg(target_os, values("cygwin"))' --cfg 'feature="bytes"' --cfg 'feature="default"' --cfg 'feature="fs"' --cfg 'feature="io-util"' --cfg 'feature="libc"' --cfg 'feature="macros"' --cfg 'feature="mio"' --cfg 'feature="net"' --cfg 'feature="parking_lot"' --cfg 'feature="rt"' --cfg 'feature="rt-multi-thread"' --cfg 'feature="signal"' --cfg 'feature="signal-hook-registry"' --cfg 'feature="socket2"' --cfg 'feature="sync"' --cfg 'feature="time"' --cfg 'feature="tokio-macros"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("bytes", "default", "fs", "full", "io-std", "io-uring", "io-util", "libc", "macros", "mio", "net", "parking_lot", "process", "rt", "rt-multi-thread", "signal", "signal-hook-registry", "socket2", "sync", "taskdump", "test-util", "time", "tokio-macros", "tracing", "windows-sys"))' -C metadata=100f5ea1ba5b1d13 -C extra-filename=-bad693d876c4b7d6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-00a102391b5f478f.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-beaac0770c9b643f.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-85c97dfce076d4f8.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-3310a2f1b0a70afa.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-dbd15b1f007a2c34.rmeta --extern signal_hook_registry=/opt/rustwide/target/debug/deps/libsignal_hook_registry-e9fa26bf4ee3c46f.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-33473a3430d9979a.rmeta --extern tokio_macros=/opt/rustwide/target/debug/deps/libtokio_macros-36a153727f9d726e.so --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "382071608c7368b7699ef6234bead021422f82726c22c4ee6fe7cb2df1646558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "382071608c7368b7699ef6234bead021422f82726c22c4ee6fe7cb2df1646558", kill_on_drop: false }`
[INFO] [stdout] 382071608c7368b7699ef6234bead021422f82726c22c4ee6fe7cb2df1646558
