[INFO] cloning repository https://github.com/kennethfan/study-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kennethfan/study-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennethfan%2Fstudy-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennethfan%2Fstudy-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3df2e58f7946187ad7a14feffdfb15e726331c82
[INFO] documenting kennethfan/study-rust against beta-2025-10-28 for beta-1.92-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennethfan%2Fstudy-rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/kennethfan/study-rust
[INFO] finished tweaking git repo https://github.com/kennethfan/study-rust
[INFO] tweaked toml for git repo https://github.com/kennethfan/study-rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kennethfan/study-rust on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kennethfan/study-rust 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt v0.3.26
[INFO] [stderr]   Downloaded async-mutex v1.4.1
[INFO] [stderr]   Downloaded sqlformat v0.2.6
[INFO] [stderr]   Downloaded serde_path_to_error v0.1.20
[INFO] [stderr]   Downloaded whoami v1.6.1
[INFO] [stderr]   Downloaded structopt-derive v0.4.18
[INFO] [stderr]   Downloaded mini-redis v0.4.1
[INFO] [stderr]   Downloaded flume v0.11.1
[INFO] [stderr]   Downloaded rsa v0.9.8
[INFO] [stderr]   Downloaded regex v1.12.1
[INFO] [stderr]   Downloaded async-std v1.6.5
[INFO] [stderr]   Downloaded regex-syntax v0.8.7
[INFO] [stderr]   Downloaded regex-automata v0.4.12
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6cc8fa0335687af40e9001f2c6f3a553e2ba6314872960c318e1f9720847450d
[INFO] running `Command { std: "docker" "start" "-a" "6cc8fa0335687af40e9001f2c6f3a553e2ba6314872960c318e1f9720847450d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cc8fa0335687af40e9001f2c6f3a553e2ba6314872960c318e1f9720847450d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cc8fa0335687af40e9001f2c6f3a553e2ba6314872960c318e1f9720847450d", kill_on_drop: false }`
[INFO] [stdout] 6cc8fa0335687af40e9001f2c6f3a553e2ba6314872960c318e1f9720847450d
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc7c675af68fcb747668252d2c078ad032a3fdc931febfa679d6732ce8daa3cc
[INFO] running `Command { std: "docker" "start" "-a" "dc7c675af68fcb747668252d2c078ad032a3fdc931febfa679d6732ce8daa3cc", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]     Checking value-bag v1.11.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]    Compiling cc v1.2.41
[INFO] [stderr]     Checking socket2 v0.6.0
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling yoke v0.8.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling litemap v0.8.0
[INFO] [stderr]    Compiling zerovec v0.11.4
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]    Compiling writeable v0.6.1
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]     Checking indexmap v2.11.4
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]     Checking parking v2.2.1
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling potential_utf v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.8.7
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling libsqlite3-sys v0.27.0
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking regex-automata v0.4.12
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]     Checking pin-project v1.1.10
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]     Checking regex v1.12.1
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]     Checking tracing-log v0.1.4
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]    Compiling crc v3.3.0
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]    Compiling sqlformat v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling hashlink v0.8.4
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling futures-intrusive v0.5.0
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking atoi v0.3.3
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling rustix v0.37.28
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking tokio-util v0.7.16
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]     Checking waker-fn v1.2.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]    Compiling urlencoding v2.1.3
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking h2 v0.3.27
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking mini-redis v0.4.1
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]    Compiling dotenvy v0.15.7
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]     Checking async-executor v1.13.3
[INFO] [stderr]     Checking piper v0.2.4
[INFO] [stderr]     Checking hyper v1.7.0
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking unicode-width v0.2.2
[INFO] [stderr]     Checking base64ct v1.8.0
[INFO] [stderr]     Checking blocking v1.6.2
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]     Checking console v0.15.11
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking axum-core v0.4.5
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]    Compiling async-attributes v1.1.2
[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-2025-10-28-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 --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="fs"' --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=1c929e17c7af1bf5 -C extra-filename=-4fd229b32d14bca2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-c1a85906e11867fc.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-82187187e0c7707c.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-f8e7d1c809d5d758.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-990e8da8fc8806b5.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-2177940edce9975c.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" "dc7c675af68fcb747668252d2c078ad032a3fdc931febfa679d6732ce8daa3cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc7c675af68fcb747668252d2c078ad032a3fdc931febfa679d6732ce8daa3cc", kill_on_drop: false }`
[INFO] [stdout] dc7c675af68fcb747668252d2c078ad032a3fdc931febfa679d6732ce8daa3cc
