[INFO] fetching crate mythic-markdown 0.3.4...
[INFO] testing mythic-markdown-0.3.4 against beta-2026-04-21 for beta-1.96-1
[INFO] extracting crate mythic-markdown 0.3.4 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate mythic-markdown 0.3.4
[INFO] finished tweaking crates.io crate mythic-markdown 0.3.4
[INFO] tweaked toml for crates.io crate mythic-markdown 0.3.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mythic-markdown 0.3.4 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 mythic-markdown 0.3.4 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] bca35899ff3cc969b2e180069e8cab1adf62f9ba7c14e8fe7adb4658438edbdf
[INFO] running `Command { std: "docker" "start" "-a" "bca35899ff3cc969b2e180069e8cab1adf62f9ba7c14e8fe7adb4658438edbdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bca35899ff3cc969b2e180069e8cab1adf62f9ba7c14e8fe7adb4658438edbdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bca35899ff3cc969b2e180069e8cab1adf62f9ba7c14e8fe7adb4658438edbdf", kill_on_drop: false }`
[INFO] [stdout] bca35899ff3cc969b2e180069e8cab1adf62f9ba7c14e8fe7adb4658438edbdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b8ad3d31e201b408667b73bd2d57bcfd84483586cdc25a0559b6f6d83ca6d599
[INFO] running `Command { std: "docker" "start" "-a" "b8ad3d31e201b408667b73bd2d57bcfd84483586cdc25a0559b6f6d83ca6d599", kill_on_drop: false }`
[INFO] [stderr]    Compiling portable-atomic v1.13.1
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling zerocopy v0.8.47
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling tokio v1.50.0
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.1
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling onig_sys v69.9.1
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling bstr v1.12.1
[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling chrono-tz-build v0.3.0
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling simd-adler32 v0.3.8
[INFO] [stderr]    Compiling winnow v0.7.15
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling time v0.3.47
[INFO] [stderr]    Compiling chrono-tz v0.9.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling pest_generator v2.8.6
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling yoke v0.8.1
[INFO] [stderr]    Compiling zerovec v0.11.5
[INFO] [stderr]    Compiling zerotrie v0.2.3
[INFO] [stderr]    Compiling rustls-webpki v0.103.10
[INFO] [stderr]    Compiling quick-xml v0.38.4
[INFO] [stderr]    Compiling tinystr v0.8.2
[INFO] [stderr]    Compiling potential_utf v0.1.4
[INFO] [stderr]    Compiling icu_locale_core v2.1.1
[INFO] [stderr]    Compiling icu_collections v2.1.1
[INFO] [stderr]    Compiling rustls v0.23.37
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling icu_provider v2.1.1
[INFO] [stderr]    Compiling rhai_codegen v3.1.0
[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-1.50.0/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="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-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=6a58ea0912fd9325 -C extra-filename=-3d70f76219069ee6 --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 pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-dbd15b1f007a2c34.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-33473a3430d9979a.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" "b8ad3d31e201b408667b73bd2d57bcfd84483586cdc25a0559b6f6d83ca6d599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8ad3d31e201b408667b73bd2d57bcfd84483586cdc25a0559b6f6d83ca6d599", kill_on_drop: false }`
[INFO] [stdout] b8ad3d31e201b408667b73bd2d57bcfd84483586cdc25a0559b6f6d83ca6d599