[INFO] cloning repository https://github.com/chenzhc/mqtt-client-demo1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chenzhc/mqtt-client-demo1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenzhc%2Fmqtt-client-demo1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenzhc%2Fmqtt-client-demo1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1afbb6f0a805d86bd3b0c2a438ff38c2232e58dc
[INFO] checking chenzhc/mqtt-client-demo1 against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenzhc%2Fmqtt-client-demo1" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/chenzhc/mqtt-client-demo1
[INFO] finished tweaking git repo https://github.com/chenzhc/mqtt-client-demo1
[INFO] tweaked toml for git repo https://github.com/chenzhc/mqtt-client-demo1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chenzhc/mqtt-client-demo1 on toolchain c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/chenzhc/mqtt-client-demo1 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" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e650904ac791d3a7184c4c2345d2e14d1d0781a80054291c9066652f394826a8
[INFO] running `Command { std: "docker" "start" "-a" "e650904ac791d3a7184c4c2345d2e14d1d0781a80054291c9066652f394826a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e650904ac791d3a7184c4c2345d2e14d1d0781a80054291c9066652f394826a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e650904ac791d3a7184c4c2345d2e14d1d0781a80054291c9066652f394826a8", kill_on_drop: false }`
[INFO] [stdout] e650904ac791d3a7184c4c2345d2e14d1d0781a80054291c9066652f394826a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6488957625d8a8baab5c18f608ca4ca04ce817567c898f0805a5ae17d93d26d7
[INFO] running `Command { std: "docker" "start" "-a" "6488957625d8a8baab5c18f608ca4ca04ce817567c898f0805a5ae17d93d26d7", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling const-oid v0.9.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling indexmap v2.11.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling base64ct v1.8.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling yoke v0.8.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking pem-rfc7468 v0.7.0
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling zerovec v0.11.4
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]    Compiling der v0.7.10
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling aws-lc-rs v1.14.0
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]    Compiling hkdf v0.12.4
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking spki v0.7.3
[INFO] [stderr]    Compiling cc v1.2.36
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling pkcs8 v0.10.2
[INFO] [stderr]    Compiling futures-intrusive v0.5.0
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling pkcs1 v0.7.5
[INFO] [stderr]     Checking regex-automata v0.4.10
[INFO] [stderr]    Compiling md-5 v0.10.6
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling potential_utf v0.1.3
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling num-bigint-dig v0.8.4
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling rustls v0.23.31
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling mysql_common v0.35.5
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[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/c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f/bin/rustc --crate-name futures_util --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.31/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=unreachable_pub --warn=unexpected_cfgs --warn=single_use_lifetimes --warn=rust_2018_idioms --warn=missing_debug_implementations --check-cfg 'cfg(futures_sanitizer)' --cfg 'feature="alloc"' --cfg 'feature="futures-io"' --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", "memchr", "portable-atomic", "sink", "slab", "std", "tokio-io", "unstable", "write-all-vectored"))' -C metadata=d4ac62e31d7da2da -C extra-filename=-21302e0a160d1240 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-8bb7a06892b41e67.rmeta --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-20e452c883531448.rmeta --extern futures_sink=/opt/rustwide/target/debug/deps/libfutures_sink-26fb45e17926c80e.rmeta --extern futures_task=/opt/rustwide/target/debug/deps/libfutures_task-3c3f30b429261b4e.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-b685279e46bbd109.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-2ecca6b667797f49.rmeta --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-98755945da2574f7.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-2e3f802d50fcf1ad.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6488957625d8a8baab5c18f608ca4ca04ce817567c898f0805a5ae17d93d26d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6488957625d8a8baab5c18f608ca4ca04ce817567c898f0805a5ae17d93d26d7", kill_on_drop: false }`
[INFO] [stdout] 6488957625d8a8baab5c18f608ca4ca04ce817567c898f0805a5ae17d93d26d7