[INFO] fetching crate zeph-experiments 0.19.3...
[INFO] testing zeph-experiments-0.19.3 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate zeph-experiments 0.19.3 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate zeph-experiments 0.19.3
[INFO] finished tweaking crates.io crate zeph-experiments 0.19.3
[INFO] tweaked toml for crates.io crate zeph-experiments 0.19.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zeph-experiments 0.19.3 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 zeph-experiments 0.19.3 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `1.1.2+spec-1.1.0` for dependency `toml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b52fe63dac855abc8e1055e15d7e17da5c11cdaf7cf17ea8b33590ab6872e7e2
[INFO] running `Command { std: "docker" "start" "-a" "b52fe63dac855abc8e1055e15d7e17da5c11cdaf7cf17ea8b33590ab6872e7e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b52fe63dac855abc8e1055e15d7e17da5c11cdaf7cf17ea8b33590ab6872e7e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b52fe63dac855abc8e1055e15d7e17da5c11cdaf7cf17ea8b33590ab6872e7e2", kill_on_drop: false }`
[INFO] [stdout] b52fe63dac855abc8e1055e15d7e17da5c11cdaf7cf17ea8b33590ab6872e7e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c22c0e0cbdac86c2776008b4a25881dec530fa10c40f3b9d34aff7fd563cceca
[INFO] running `Command { std: "docker" "start" "-a" "c22c0e0cbdac86c2776008b4a25881dec530fa10c40f3b9d34aff7fd563cceca", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `1.1.2+spec-1.1.0` for dependency `toml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]    Compiling libc v0.2.185
[INFO] [stderr]    Compiling tree-sitter-language v0.1.7
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling hashbrown v0.17.0
[INFO] [stderr]    Compiling aws-lc-rs v1.16.3
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling rustls v0.23.38
[INFO] [stderr]    Compiling phf_shared v0.13.1
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling icu_normalizer v2.2.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling yoke v0.8.2
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling cc v1.2.60
[INFO] [stderr]    Compiling rustls-pki-types v1.14.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling zerovec v0.11.6
[INFO] [stderr]    Compiling phf_generator v0.13.1
[INFO] [stderr]    Compiling zerotrie v0.2.4
[INFO] [stderr]    Compiling rand_core v0.10.1
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling phf_codegen v0.13.1
[INFO] [stderr]    Compiling tinystr v0.8.3
[INFO] [stderr]    Compiling cmake v0.1.58
[INFO] [stderr]    Compiling potential_utf v0.1.5
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling icu_locale_core v2.2.0
[INFO] [stderr]    Compiling icu_collections v2.2.0
[INFO] [stderr]    Compiling crc v3.4.0
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling webpki-roots v1.0.7
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling hashlink v0.10.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling rustls-native-certs v0.8.3
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling tokio v1.52.1
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling aws-lc-sys v0.40.0
[INFO] [stderr]    Compiling icu_provider v2.2.0
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling icu_properties v2.2.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling phf_macros v0.13.1
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling iri-string v0.7.12
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling webpki-roots v0.26.11
[INFO] [stderr]    Compiling tree-sitter v0.26.8
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling futures-intrusive v0.5.0
[INFO] [stderr]    Compiling phf v0.13.1
[INFO] [stderr]    Compiling tree-sitter-typescript v0.23.2
[INFO] [stderr]    Compiling tree-sitter-javascript v0.25.0
[INFO] [stderr]    Compiling blake3 v1.8.4
[INFO] [stderr]    Compiling tree-sitter-go v0.25.0
[INFO] [stderr]    Compiling tree-sitter-rust v0.24.2
[INFO] [stderr]    Compiling tree-sitter-python v0.25.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling string_cache_codegen v0.6.1
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling tokio-stream v0.1.18
[INFO] [stderr]    Compiling web_atoms v0.2.4
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling schemars_derive v1.2.1
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling sha1_smol v1.0.1
[INFO] [stderr]    Compiling constant_time_eq v0.4.3
[INFO] [stderr]    Compiling uuid v1.23.1
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling string_cache v0.9.0
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling tower v0.5.3
[INFO] [stderr]    Compiling pin-project-internal v1.1.11
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling dotenvy v0.15.7
[INFO] [stderr]    Compiling schemars v1.2.1
[INFO] [stderr]    Compiling nix v0.31.2
[INFO] [stderr]    Compiling tower-http v0.6.8
[INFO] [stderr]    Compiling h2 v0.4.13
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling tendril v0.5.0
[INFO] [stderr]    Compiling prost-derive v0.13.5
[INFO] [stderr]    Compiling derive_builder_core v0.20.2
[INFO] [stderr]    Compiling axum-core v0.4.5
[INFO] [stderr]    Compiling bstr v1.12.1
[INFO] [stderr]    Compiling pin-project v1.1.11
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling chacha20 v0.10.0
[INFO] [stderr]    Compiling selectors v0.36.1
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]    Compiling cssparser-macros v0.6.1
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]    Compiling toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling zeph-common v0.19.3
[INFO] [stderr]    Compiling matchit v0.7.3
[INFO] [stderr]    Compiling toml_writer v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling rustls-webpki v0.103.12
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling derive_builder_macro v0.20.2
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling cssparser v0.36.0
[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-1.52.1/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="full"' --cfg 'feature="io-std"' --cfg 'feature="io-util"' --cfg 'feature="libc"' --cfg 'feature="macros"' --cfg 'feature="mio"' --cfg 'feature="net"' --cfg 'feature="parking_lot"' --cfg 'feature="process"' --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=6dc17374fc692266 -C extra-filename=-40220b823f3f85a1 --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-9909e2fbe43432a4.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-0c87108bb3dda13e.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-8a612345768f3cba.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-8800595f02fcf241.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-6db7020a474b9740.rmeta --extern tokio_macros=/opt/rustwide/target/debug/deps/libtokio_macros-f5c8aaf17832b6dd.so --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" "c22c0e0cbdac86c2776008b4a25881dec530fa10c40f3b9d34aff7fd563cceca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c22c0e0cbdac86c2776008b4a25881dec530fa10c40f3b9d34aff7fd563cceca", kill_on_drop: false }`
[INFO] [stdout] c22c0e0cbdac86c2776008b4a25881dec530fa10c40f3b9d34aff7fd563cceca
