[INFO] fetching crate alto-follower 2026.7.1... [INFO] checking alto-follower-2026.7.1 against 165655a2f1981fef27b31c547ad7631979fc5139 for pr-160235 [INFO] extracting crate alto-follower 2026.7.1 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate alto-follower 2026.7.1 [INFO] finished tweaking crates.io crate alto-follower 2026.7.1 [INFO] tweaked toml for crates.io crate alto-follower 2026.7.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate alto-follower 2026.7.1 on toolchain 165655a2f1981fef27b31c547ad7631979fc5139 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate alto-follower 2026.7.1 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" "+165655a2f1981fef27b31c547ad7631979fc5139" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] fd208354454da20b2cef69999e503b2f5515d87a074f0446e52efd07eff4fa24 [INFO] running `Command { std: "docker" "start" "fd208354454da20b2cef69999e503b2f5515d87a074f0446e52efd07eff4fa24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fd208354454da20b2cef69999e503b2f5515d87a074f0446e52efd07eff4fa24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fd208354454da20b2cef69999e503b2f5515d87a074f0446e52efd07eff4fa24" "/opt/rustwide/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fd208354454da20b2cef69999e503b2f5515d87a074f0446e52efd07eff4fa24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fd208354454da20b2cef69999e503b2f5515d87a074f0446e52efd07eff4fa24" "/opt/rustwide/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Checking subtle v2.6.1 [INFO] [stderr] Compiling getrandom v0.4.3 [INFO] [stderr] Compiling zerocopy v0.8.48 [INFO] [stderr] Checking cmov v0.5.4 [INFO] [stderr] Compiling getrandom v0.3.4 [INFO] [stderr] Checking mio v1.2.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling winnow v1.0.3 [INFO] [stderr] Compiling zerocopy-derive v0.8.48 [INFO] [stderr] Checking zeroize v1.8.2 [INFO] [stderr] Checking futures-util v0.3.32 [INFO] [stderr] Checking tracing v0.1.44 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Checking tinystr v0.8.3 [INFO] [stderr] Compiling toml_datetime v1.1.1+spec-1.1.0 [INFO] [stderr] Checking zerotrie v0.2.4 [INFO] [stderr] Compiling aws-lc-rs v1.17.0 [INFO] [stderr] Checking icu_locale_core v2.2.0 [INFO] [stderr] Checking hybrid-array v0.4.13 [INFO] [stderr] Checking ctutils v0.4.2 [INFO] [stderr] Checking icu_collections v2.2.0 [INFO] [stderr] Compiling commonware-macros-impl v2026.7.0 [INFO] [stderr] Compiling winnow v0.7.15 [INFO] [stderr] Compiling toml_writer v1.1.1+spec-1.1.0 [INFO] [stderr] Checking tokio v1.52.3 [INFO] [stderr] Checking rand_core v0.9.5 [INFO] [stderr] Checking generic-array v0.14.7 [INFO] [stderr] Checking ff v0.14.0 [INFO] [stderr] Checking bitflags v2.11.1 [INFO] [stderr] Checking cpubits v0.1.1 [INFO] [stderr] Checking der v0.8.1 [INFO] [stderr] Checking either v1.16.0 [INFO] [stderr] Checking group v0.14.0 [INFO] [stderr] Checking base16ct v1.0.0 [INFO] [stderr] Checking crypto-common v0.2.2 [INFO] [stderr] Checking block-buffer v0.12.1 [INFO] [stderr] Checking icu_provider v2.2.0 [INFO] [stderr] Compiling anyhow v1.0.102 [INFO] [stderr] Checking regex-automata v0.4.14 [INFO] [stderr] Checking serde_json v1.0.150 [INFO] [stderr] Checking opentelemetry v0.32.0 [INFO] [stderr] Compiling ahash v0.8.12 [INFO] [stderr] Checking crypto-bigint v0.7.5 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking crypto-common v0.1.7 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking icu_properties v2.2.0 [INFO] [stderr] Checking icu_normalizer v2.2.0 [INFO] [stderr] Compiling toml_parser v1.1.2+spec-1.1.0 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking digest v0.11.3 [INFO] [stderr] Checking rand v0.10.2 [INFO] [stderr] Compiling toml_edit v0.25.11+spec-1.1.0 [INFO] [stderr] Checking hmac v0.13.0 [INFO] [stderr] Checking sec1 v0.8.1 [INFO] [stderr] Checking rayon v1.12.0 [INFO] [stderr] Compiling curve25519-dalek v5.0.0 [INFO] [stderr] Checking const-hex v1.19.0 [INFO] [stderr] Checking spki v0.8.0 [INFO] [stderr] Checking signature v3.0.0 [INFO] [stderr] Compiling prost-derive v0.14.3 [INFO] [stderr] Checking wnaf v0.14.0 [INFO] [stderr] Compiling blake3 v1.8.5 [INFO] [stderr] Compiling blst v0.3.16 [INFO] [stderr] Compiling portable-atomic v1.13.1 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking sha2 v0.11.0 [INFO] [stderr] Compiling proc-macro-crate v3.5.0 [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/165655a2f1981fef27b31c547ad7631979fc5139/bin/rustc --crate-name tokio --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.52.3/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 --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=0ccde64798d0048b -C extra-filename=-0a9e6c1ec892c0b4 --out-dir /opt/rustwide/target/debug/build/tokio/0a9e6c1ec892c0b4/out -L dependency=/opt/rustwide/target/debug/build/bytes/c3c82aecfaa31497/out -L dependency=/opt/rustwide/target/debug/build/cfg-if/190c9021fd162845/out -L dependency=/opt/rustwide/target/debug/build/errno/0997ff084336fcdf/out -L dependency=/opt/rustwide/target/debug/build/libc/7d2af120e89c619c/out -L dependency=/opt/rustwide/target/debug/build/lock_api/b47e4fe57039b3cf/out -L dependency=/opt/rustwide/target/debug/build/mio/16fe799f7440025a/out -L dependency=/opt/rustwide/target/debug/build/parking_lot/7995df513ba8f26a/out -L dependency=/opt/rustwide/target/debug/build/parking_lot_core/b4264749b447d3bc/out -L dependency=/opt/rustwide/target/debug/build/pin-project-lite/7176d3be2b7ee2e1/out -L dependency=/opt/rustwide/target/debug/build/scopeguard/e7d227cb308b3799/out -L dependency=/opt/rustwide/target/debug/build/signal-hook-registry/11629a25a8623d3d/out -L dependency=/opt/rustwide/target/debug/build/smallvec/dd4339173f24a482/out -L dependency=/opt/rustwide/target/debug/build/socket2/2d04b05b6cb9436d/out -L dependency=/opt/rustwide/target/debug/build/tokio-macros/08b96a339cb6ecf1/out --extern bytes=/opt/rustwide/target/debug/build/bytes/c3c82aecfaa31497/out/libbytes-c3c82aecfaa31497.rmeta --extern libc=/opt/rustwide/target/debug/build/libc/7d2af120e89c619c/out/liblibc-7d2af120e89c619c.rmeta --extern mio=/opt/rustwide/target/debug/build/mio/16fe799f7440025a/out/libmio-16fe799f7440025a.rmeta --extern parking_lot=/opt/rustwide/target/debug/build/parking_lot/7995df513ba8f26a/out/libparking_lot-7995df513ba8f26a.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/build/pin-project-lite/7176d3be2b7ee2e1/out/libpin_project_lite-7176d3be2b7ee2e1.rmeta --extern signal_hook_registry=/opt/rustwide/target/debug/build/signal-hook-registry/11629a25a8623d3d/out/libsignal_hook_registry-11629a25a8623d3d.rmeta --extern socket2=/opt/rustwide/target/debug/build/socket2/2d04b05b6cb9436d/out/libsocket2-2d04b05b6cb9436d.rmeta --extern tokio_macros=/opt/rustwide/target/debug/build/tokio-macros/08b96a339cb6ecf1/out/libtokio_macros-08b96a339cb6ecf1.so --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `futures-util` (lib) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/165655a2f1981fef27b31c547ad7631979fc5139/bin/rustc --crate-name futures_util --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.32/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 --cfg 'feature="alloc"' --cfg 'feature="async-await"' --cfg 'feature="async-await-macro"' --cfg 'feature="channel"' --cfg 'feature="futures-channel"' --cfg 'feature="futures-io"' --cfg 'feature="futures-macro"' --cfg 'feature="futures-sink"' --cfg 'feature="io"' --cfg 'feature="memchr"' --cfg 'feature="sink"' --cfg 'feature="slab"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "async-await", "async-await-macro", "bilock", "cfg-target-has-atomic", "channel", "compat", "default", "futures-channel", "futures-io", "futures-macro", "futures-sink", "futures_01", "io", "io-compat", "libc", "memchr", "portable-atomic", "sink", "slab", "spin", "std", "tokio-io", "unstable", "write-all-vectored"))' -C metadata=7739077f57e8d4a2 -C extra-filename=-2cc7f308b8f48366 --out-dir /opt/rustwide/target/debug/build/futures-util/2cc7f308b8f48366/out -L dependency=/opt/rustwide/target/debug/build/futures-channel/6351650e09691772/out -L dependency=/opt/rustwide/target/debug/build/futures-core/1cd512d543215c04/out -L dependency=/opt/rustwide/target/debug/build/futures-io/ee83dd0d8cfe75cb/out -L dependency=/opt/rustwide/target/debug/build/futures-macro/497fa74e1fd189b0/out -L dependency=/opt/rustwide/target/debug/build/futures-sink/80687936758fa695/out -L dependency=/opt/rustwide/target/debug/build/futures-task/bde3b8216abf23c5/out -L dependency=/opt/rustwide/target/debug/build/memchr/3d944e3b9ac373a3/out -L dependency=/opt/rustwide/target/debug/build/pin-project-lite/7176d3be2b7ee2e1/out -L dependency=/opt/rustwide/target/debug/build/slab/101f873bca723251/out --extern futures_channel=/opt/rustwide/target/debug/build/futures-channel/6351650e09691772/out/libfutures_channel-6351650e09691772.rmeta --extern futures_core=/opt/rustwide/target/debug/build/futures-core/1cd512d543215c04/out/libfutures_core-1cd512d543215c04.rmeta --extern futures_io=/opt/rustwide/target/debug/build/futures-io/ee83dd0d8cfe75cb/out/libfutures_io-ee83dd0d8cfe75cb.rmeta --extern futures_macro=/opt/rustwide/target/debug/build/futures-macro/497fa74e1fd189b0/out/libfutures_macro-497fa74e1fd189b0.so --extern futures_sink=/opt/rustwide/target/debug/build/futures-sink/80687936758fa695/out/libfutures_sink-80687936758fa695.rmeta --extern futures_task=/opt/rustwide/target/debug/build/futures-task/bde3b8216abf23c5/out/libfutures_task-bde3b8216abf23c5.rmeta --extern memchr=/opt/rustwide/target/debug/build/memchr/3d944e3b9ac373a3/out/libmemchr-3d944e3b9ac373a3.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/build/pin-project-lite/7176d3be2b7ee2e1/out/libpin_project_lite-7176d3be2b7ee2e1.rmeta --extern slab=/opt/rustwide/target/debug/build/slab/101f873bca723251/out/libslab-101f873bca723251.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill) [INFO] running `Command { std: "docker" "inspect" "fd208354454da20b2cef69999e503b2f5515d87a074f0446e52efd07eff4fa24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd208354454da20b2cef69999e503b2f5515d87a074f0446e52efd07eff4fa24", kill_on_drop: false }` [INFO] [stdout] fd208354454da20b2cef69999e503b2f5515d87a074f0446e52efd07eff4fa24