[INFO] fetching crate pyontoenv 0.4.0-a9...
[INFO] testing pyontoenv-0.4.0-a9 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate pyontoenv 0.4.0-a9 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate pyontoenv 0.4.0-a9
[INFO] finished tweaking crates.io crate pyontoenv 0.4.0-a9
[INFO] tweaked toml for crates.io crate pyontoenv 0.4.0-a9 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pyontoenv 0.4.0-a9 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 pyontoenv 0.4.0-a9 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 51d9dc995a02aa6c693ebae134211f13b555b08c754ba4d9f18a82c1bb9d2375
[INFO] running `Command { std: "docker" "start" "-a" "51d9dc995a02aa6c693ebae134211f13b555b08c754ba4d9f18a82c1bb9d2375", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51d9dc995a02aa6c693ebae134211f13b555b08c754ba4d9f18a82c1bb9d2375", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51d9dc995a02aa6c693ebae134211f13b555b08c754ba4d9f18a82c1bb9d2375", kill_on_drop: false }`
[INFO] [stdout] 51d9dc995a02aa6c693ebae134211f13b555b08c754ba4d9f18a82c1bb9d2375
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f11f023e81d809b12e770fc8abd91dda4ae70ba6d7e6793399ef552aa32447bb
[INFO] running `Command { std: "docker" "start" "-a" "f11f023e81d809b12e770fc8abd91dda4ae70ba6d7e6793399ef552aa32447bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling find-msvc-tools v0.1.3
[INFO] [stderr]    Compiling cc-traits v2.0.0
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling range-traits v0.3.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling utf8-decode v1.0.1
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling hex_fmt v0.3.0
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling lexical-util v1.0.7
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling btree-slab v0.6.1
[INFO] [stderr]    Compiling target-lexicon v0.13.3
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling ryu_floating_decimal v0.1.0
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling oxiri v0.2.11
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling oxilangtag v0.1.5
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling pyo3-build-config v0.25.1
[INFO] [stderr]    Compiling ryu-js v0.2.2
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling contextual v0.1.6
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling im v15.1.0
[INFO] [stderr]    Compiling smallstr v0.3.1
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling lexical-write-integer v1.0.6
[INFO] [stderr]    Compiling lexical-parse-integer v1.0.6
[INFO] [stderr]    Compiling replace_with v0.1.8
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling raw-btree v0.3.3
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling abnf-core v0.5.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling abnf v0.13.0
[INFO] [stderr]    Compiling lexical-parse-float v1.0.6
[INFO] [stderr]    Compiling lexical-write-float v1.0.6
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling cc v1.2.40
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling locspan v0.8.2
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling decoded-char v0.1.1
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling sized-chunks v0.6.5
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling pretty_dtoa v0.3.0
[INFO] [stderr]    Compiling ordered-float v3.9.2
[INFO] [stderr]    Compiling lexical-core v1.0.6
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling lexical v7.0.5
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling litemap v0.8.0
[INFO] [stderr]    Compiling json-number v0.4.9
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling writeable v0.6.1
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling http v1.3.1
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling peg-runtime v0.8.5
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling bindgen v0.72.1
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling peg-macros v0.8.5
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling quick-xml v0.37.5
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling permutohedron v0.2.4
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling json-event-parser v0.2.2
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling peg v0.8.5
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling rustls v0.23.32
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling mown v0.2.2
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling pyo3-macros-backend v0.25.1
[INFO] [stderr]    Compiling locspan-derive v0.6.0
[INFO] [stderr]    Compiling pyo3-ffi v0.25.1
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling md-5 v0.10.6
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling ipnet v2.11.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling json-syntax v0.12.5
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling clap_builder v4.5.48
[INFO] [stderr]    Compiling webpki-roots v1.0.2
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling iri-string v0.7.8
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling dashmap v6.1.0
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling hyper v1.7.0
[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-1.47.1/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_taskdump)' --check-cfg 'cfg(tokio_unstable)' --check-cfg 'cfg(tokio_uring)' --check-cfg 'cfg(target_os, values("cygwin"))' --cfg 'feature="bytes"' --cfg 'feature="default"' --cfg 'feature="io-util"' --cfg 'feature="libc"' --cfg 'feature="mio"' --cfg 'feature="net"' --cfg 'feature="rt"' --cfg 'feature="socket2"' --cfg 'feature="sync"' --cfg 'feature="time"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("bytes", "default", "fs", "full", "io-std", "io-util", "libc", "macros", "mio", "net", "parking_lot", "process", "rt", "rt-multi-thread", "signal", "signal-hook-registry", "socket2", "sync", "test-util", "time", "tokio-macros", "tracing", "windows-sys"))' -C metadata=3fb1835286daa395 -C extra-filename=-e1eb9a9bde4c2806 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-8160c0ff9646c5ab.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-a852b89fc0afb0c2.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-b343bf2f049772cc.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-63e0d9d6cb6ec6cf.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-fc63710c7bc20d80.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" "f11f023e81d809b12e770fc8abd91dda4ae70ba6d7e6793399ef552aa32447bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f11f023e81d809b12e770fc8abd91dda4ae70ba6d7e6793399ef552aa32447bb", kill_on_drop: false }`
[INFO] [stdout] f11f023e81d809b12e770fc8abd91dda4ae70ba6d7e6793399ef552aa32447bb
