[INFO] cloning repository https://github.com/omarsomaro/Ouroboros
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/omarsomaro/Ouroboros" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomarsomaro%2FOuroboros", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomarsomaro%2FOuroboros'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7fcaed551228f8239349f6cecb243859a21b998
[INFO] documenting omarsomaro/Ouroboros against beta-2026-04-21 for beta-1.96-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomarsomaro%2FOuroboros" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/omarsomaro/Ouroboros
[INFO] finished tweaking git repo https://github.com/omarsomaro/Ouroboros
[INFO] tweaked toml for git repo https://github.com/omarsomaro/Ouroboros written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/omarsomaro/Ouroboros 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 git repo https://github.com/omarsomaro/Ouroboros 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-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] 712f552f808489dd766a09f85ab48f234ed90570839d28693238fabed9c8c9fc
[INFO] running `Command { std: "docker" "start" "-a" "712f552f808489dd766a09f85ab48f234ed90570839d28693238fabed9c8c9fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "712f552f808489dd766a09f85ab48f234ed90570839d28693238fabed9c8c9fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "712f552f808489dd766a09f85ab48f234ed90570839d28693238fabed9c8c9fc", kill_on_drop: false }`
[INFO] [stdout] 712f552f808489dd766a09f85ab48f234ed90570839d28693238fabed9c8c9fc
[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" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ca909c4f762e0b8b74c35d0d611cd75e426a7a567c288b629c35f8fd01726c3
[INFO] running `Command { std: "docker" "start" "-a" "0ca909c4f762e0b8b74c35d0d611cd75e426a7a567c288b629c35f8fd01726c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling find-msvc-tools v0.1.7
[INFO] [stderr]     Checking bytes v1.11.1
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling zerocopy v0.8.33
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]    Compiling aws-lc-rs v1.16.2
[INFO] [stderr]     Checking inout v0.1.4
[INFO] [stderr]    Compiling rustls v0.23.36
[INFO] [stderr]    Compiling num-conv v0.2.0
[INFO] [stderr]     Checking indexmap v2.13.0
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling cc v1.2.52
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling time-macros v0.2.27
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling openssl v0.10.75
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking rand_core v0.9.5
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]    Compiling zmij v1.0.14
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking http v1.4.0
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]     Checking aead v0.5.2
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]     Checking poly1305 v0.8.0
[INFO] [stderr]     Checking base64ct v1.8.3
[INFO] [stderr]     Checking polyval v0.6.2
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]    Compiling quinn-udp v0.5.14
[INFO] [stderr]     Checking constant_time_eq v0.4.2
[INFO] [stderr]     Checking password-hash v0.5.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking siphasher v1.0.2
[INFO] [stderr]    Compiling reed-solomon-erasure v6.0.0
[INFO] [stderr]    Compiling oid-registry v0.7.1
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling cmake v0.1.57
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking argon2 v0.5.3
[INFO] [stderr]     Checking hkdf v0.12.4
[INFO] [stderr]     Checking ghash v0.5.1
[INFO] [stderr]     Checking lru v0.7.8
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking unicode-normalization v0.1.25
[INFO] [stderr]    Compiling quinn v0.11.9
[INFO] [stderr]    Compiling snow v0.9.6
[INFO] [stderr]     Checking wildmatch v1.1.0
[INFO] [stderr]     Checking iana-time-zone v0.1.64
[INFO] [stderr]     Checking lru-slab v0.1.2
[INFO] [stderr]     Checking time v0.3.47
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking xml-rs v0.8.28
[INFO] [stderr]     Checking netdev v0.31.0
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking ioctl-sys v0.8.0
[INFO] [stderr]     Checking jiff v0.2.18
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]    Compiling aws-lc-sys v0.39.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling openssl-sys v0.9.111
[INFO] [stderr]     Checking rusticata-macros v4.1.0
[INFO] [stderr]    Compiling blake3 v1.8.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking if-addrs v0.13.4
[INFO] [stderr]     Checking xmltree v0.10.3
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking lru_time_cache v0.11.11
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking matchers v0.2.0
[INFO] [stderr]     Checking fastbloom v0.14.1
[INFO] [stderr]     Checking env_filter v0.1.4
[INFO] [stderr]     Checking yasna v0.5.2
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]     Checking rcgen v0.12.1
[INFO] [stderr]    Compiling zeroize_derive v1.4.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking zeroize v1.8.2
[INFO] [stderr]     Checking tokio v1.49.0
[INFO] [stderr]    Compiling asn1-rs-derive v0.5.1
[INFO] [stderr]     Checking rustls-pki-types v1.13.2
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]    Compiling asn1-rs-impl v0.2.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking rustls-native-certs v0.8.3
[INFO] [stderr]     Checking webpki-roots v1.0.5
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking chacha20 v0.9.1
[INFO] [stderr]     Checking yoke v0.8.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking chacha20poly1305 v0.10.1
[INFO] [stderr]     Checking zerovec v0.11.5
[INFO] [stderr]     Checking zerotrie v0.2.3
[INFO] [stderr]     Checking ctr v0.9.2
[INFO] [stderr]    Compiling axum-macros v0.4.2
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[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-1.49.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -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=5953d29203158c37 -C extra-filename=-be3d8058df13e60f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-363745c8aab0b500.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-0217ce4998d4e6cc.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-d1bac546f06b8577.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-b5bae10ce4f651a3.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-6c0c561d52788790.rmeta --extern signal_hook_registry=/opt/rustwide/target/debug/deps/libsignal_hook_registry-e418dfdae04f50bb.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-a2c65eaf31d8496b.rmeta --extern tokio_macros=/opt/rustwide/target/debug/deps/libtokio_macros-ca797a1783f15469.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" "0ca909c4f762e0b8b74c35d0d611cd75e426a7a567c288b629c35f8fd01726c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ca909c4f762e0b8b74c35d0d611cd75e426a7a567c288b629c35f8fd01726c3", kill_on_drop: false }`
[INFO] [stdout] 0ca909c4f762e0b8b74c35d0d611cd75e426a7a567c288b629c35f8fd01726c3