[INFO] cloning repository https://github.com/wylited/Competitions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wylited/Competitions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwylited%2FCompetitions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwylited%2FCompetitions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b092358969bf65ea38d9438f02ebee26593213a
[INFO] documenting wylited/Competitions against beta-2026-01-20 for beta-1.94-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwylited%2FCompetitions" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/wylited/Competitions
[INFO] finished tweaking git repo https://github.com/wylited/Competitions
[INFO] tweaked toml for git repo https://github.com/wylited/Competitions written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wylited/Competitions on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wylited/Competitions 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-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 121d91d762b7164ca0a07c9f5d00d43f6c2860105351cbec1ca7bde55eed40d3
[INFO] running `Command { std: "docker" "start" "-a" "121d91d762b7164ca0a07c9f5d00d43f6c2860105351cbec1ca7bde55eed40d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "121d91d762b7164ca0a07c9f5d00d43f6c2860105351cbec1ca7bde55eed40d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "121d91d762b7164ca0a07c9f5d00d43f6c2860105351cbec1ca7bde55eed40d3", kill_on_drop: false }`
[INFO] [stdout] 121d91d762b7164ca0a07c9f5d00d43f6c2860105351cbec1ca7bde55eed40d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01cf866afb823c18c523fdef6beac255cf105c90eb11f9e63c2a18bb2a1e81a2
[INFO] running `Command { std: "docker" "start" "-a" "01cf866afb823c18c523fdef6beac255cf105c90eb11f9e63c2a18bb2a1e81a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling cc v1.2.41
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling pest v2.8.3
[INFO] [stderr]    Compiling syn v2.0.107
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]     Checking deranged v0.5.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling mongocrypt-sys v0.1.4+1.12.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]     Checking dtoa v1.0.10
[INFO] [stderr]    Compiling rustls v0.23.33
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking dtoa-short v0.3.5
[INFO] [stderr]     Checking serde_bytes v0.11.19
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling rustc_version_runtime v0.3.0
[INFO] [stderr]    Compiling pest_meta v2.8.3
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking hashlink v0.8.4
[INFO] [stderr]     Checking webpki-roots v1.0.3
[INFO] [stderr]     Checking unicode-normalization v0.1.24
[INFO] [stderr]     Checking servo_arc v0.3.0
[INFO] [stderr]     Checking resolv-conf v0.7.5
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking yaml-rust2 v0.8.1
[INFO] [stderr]     Checking getopts v0.2.24
[INFO] [stderr]     Checking stringprep v0.1.5
[INFO] [stderr]     Checking webpki-roots v0.26.11
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking md-5 v0.10.6
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking pbkdf2 v0.11.0
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking serde_path_to_error v0.1.20
[INFO] [stderr]     Checking ego-tree v0.6.3
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]     Checking time v0.3.44
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]     Checking dlv-list v0.5.2
[INFO] [stderr]     Checking ordered-multimap v0.7.3
[INFO] [stderr]     Checking rust-ini v0.20.0
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling pest_generator v2.8.3
[INFO] [stderr]    Compiling string_cache_codegen v0.5.4
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]    Compiling selectors v0.25.0
[INFO] [stderr]    Compiling markup5ever v0.11.0
[INFO] [stderr]     Checking matchers v0.2.0
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling macro_magic_core_macros v0.5.1
[INFO] [stderr]    Compiling derive-syn-parse v0.2.0
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling phf_macros v0.11.3
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling macro_magic_core v0.5.1
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling cssparser-macros v0.6.1
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking phf v0.11.3
[INFO] [stderr]    Compiling enum-as-inner v0.6.1
[INFO] [stderr]    Compiling macro_magic_macros v0.5.1
[INFO] [stderr]    Compiling pest_derive v2.8.3
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking cssparser v0.31.2
[INFO] [stderr]    Compiling typed-builder-macro v0.20.1
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking rustls-webpki v0.103.7
[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-2026-01-20-x86_64-unknown-linux-gnu/bin/rustc --crate-name tokio --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.48.0/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=39a9b9a98e0dea08 -C extra-filename=-a794a185af37c43a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-7f0471ae4eecb6cc.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-c4859d0325aeeb65.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-ea5fff295f9c29aa.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-cc878108c0dcd00d.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-50fda406d193135d.rmeta --extern signal_hook_registry=/opt/rustwide/target/debug/deps/libsignal_hook_registry-a63ef8f83a63268b.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-9529c4a2fba0916c.rmeta --extern tokio_macros=/opt/rustwide/target/debug/deps/libtokio_macros-f7b32d5d7a48308d.so --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 `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-01-20-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=b6ce6d8f20a0c0c5 -C extra-filename=-e9d99ae67bf18b8e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-8476d166045b0f54.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-24cc753b97170f58.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-9ad4622e9362cad2.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "01cf866afb823c18c523fdef6beac255cf105c90eb11f9e63c2a18bb2a1e81a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01cf866afb823c18c523fdef6beac255cf105c90eb11f9e63c2a18bb2a1e81a2", kill_on_drop: false }`
[INFO] [stdout] 01cf866afb823c18c523fdef6beac255cf105c90eb11f9e63c2a18bb2a1e81a2