[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] documenting chenzhc/mqtt-client-demo1 against 1.99.0-beta.8 for beta-rustdoc-1.100
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenzhc%2Fmqtt-client-demo1" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/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-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chenzhc/mqtt-client-demo1 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "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 thiserror-impl v2.0.16
[INFO] [stderr]   Downloaded thiserror v2.0.16
[INFO] [stderr]   Downloaded io-uring v0.7.10
[INFO] [stderr]   Downloaded serde_json v1.0.143
[INFO] [stderr]   Downloaded indexmap v2.11.1
[INFO] [stderr]   Downloaded wit-bindgen v0.45.1
[INFO] [stderr]   Downloaded cc v1.2.36
[INFO] [stderr]   Downloaded wasi v0.14.5+wasi-0.2.4
[INFO] [stderr]   Downloaded wasip2 v1.0.0+wasi-0.2.4
[INFO] [stderr]   Downloaded find-msvc-tools v0.1.1
[INFO] [stderr]   Downloaded libredox v0.1.9
[INFO] [stderr]   Downloaded clap_builder v4.5.47
[INFO] [stderr]   Downloaded clap_derive v4.5.47
[INFO] [stderr]   Downloaded clap v4.5.47
[INFO] [stderr]   Downloaded rumqttc v0.25.0
[INFO] [stderr]   Downloaded regex v1.11.2
[INFO] [stderr]   Downloaded rustls v0.23.31
[INFO] [stderr]   Downloaded saturating v0.1.0
[INFO] [stderr]   Downloaded regex-automata v0.4.10
[INFO] [stderr]   Downloaded windows-link v0.2.0
[INFO] [stderr]   Downloaded mysql v26.0.1
[INFO] [stderr]   Downloaded pem v3.0.5
[INFO] [stderr]   Downloaded mysql-common-derive v0.32.1
[INFO] [stderr]   Downloaded regex-syntax v0.8.6
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.101
[INFO] [stderr]   Downloaded aws-lc-rs v1.14.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.101
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.101
[INFO] [stderr]   Downloaded named_pipe v0.4.1
[INFO] [stderr]   Downloaded mysql_common v0.35.5
[INFO] [stderr]   Downloaded btoi v0.4.3
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.101
[INFO] [stderr]   Downloaded thread-id v5.0.0
[INFO] [stderr]   Downloaded security-framework v3.4.0
[INFO] [stderr]   Downloaded js-sys v0.3.78
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.101
[INFO] [stderr]   Downloaded io-enum v1.2.0
[INFO] [stderr]   Downloaded bufstream v0.1.4
[INFO] [stderr]   Downloaded derive_utils v0.15.0
[INFO] [stderr]   Downloaded log4rs v1.4.0
[INFO] [stderr]   Downloaded sqlx_migrator v0.18.0
[INFO] [stderr]   Downloaded aws-lc-sys v0.31.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f518425713ec5885ca35d794968524a249179dee6e8777f62ab2ac4bfa38bbd6
[INFO] running `Command { std: "docker" "start" "f518425713ec5885ca35d794968524a249179dee6e8777f62ab2ac4bfa38bbd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f518425713ec5885ca35d794968524a249179dee6e8777f62ab2ac4bfa38bbd6", 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" "f518425713ec5885ca35d794968524a249179dee6e8777f62ab2ac4bfa38bbd6" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f518425713ec5885ca35d794968524a249179dee6e8777f62ab2ac4bfa38bbd6", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f518425713ec5885ca35d794968524a249179dee6e8777f62ab2ac4bfa38bbd6" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling find-msvc-tools v0.1.1
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling const-oid v0.9.6
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling litemap v0.8.0
[INFO] [stderr]    Compiling writeable v0.6.1
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling base64ct v1.8.0
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling num-bigint-dig v0.8.4
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]    Compiling pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling der v0.7.10
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling indexmap v2.11.1
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]    Compiling cc v1.2.36
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling tinyvec v1.10.0
[INFO] [stderr]    Compiling crc v3.3.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling spki v0.7.3
[INFO] [stderr]    Compiling pkcs8 v0.10.2
[INFO] [stderr]    Compiling futures-intrusive v0.5.0
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling hashlink v0.10.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling aws-lc-rs v1.14.0
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling pkcs1 v0.7.5
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling aws-lc-sys v0.31.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]    Compiling libz-sys v1.1.22
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-syntax v0.8.6
[INFO] [stderr]    Compiling unicode-properties v0.1.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling stringprep v0.1.5
[INFO] [stderr]    Compiling hkdf v0.12.4
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling md-5 v0.10.6
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling whoami v1.6.1
[INFO] [stderr]     Checking anstyle-query v1.1.4
[INFO] [stderr]     Checking anstyle v1.0.11
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking anstream v0.6.20
[INFO] [stderr]     Checking crc32fast v1.5.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]     Checking regex-automata v0.4.10
[INFO] [stderr]    Compiling rustls v0.23.31
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]     Checking clap_lex v0.7.5
[INFO] [stderr]    Compiling termcolor v1.4.1
[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/1.99.0-beta.8-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.106/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="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=02a87ed54b7b42b8 -C extra-filename=-fd3b0136222444fc --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-f340ed983a2a44c9.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-9ad4622e9362cad2.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" "f518425713ec5885ca35d794968524a249179dee6e8777f62ab2ac4bfa38bbd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f518425713ec5885ca35d794968524a249179dee6e8777f62ab2ac4bfa38bbd6", kill_on_drop: false }`
[INFO] [stdout] f518425713ec5885ca35d794968524a249179dee6e8777f62ab2ac4bfa38bbd6
