[INFO] fetching crate rmqttd 0.18.1...
[INFO] checking rmqttd-0.18.1 against try#54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47 for pr-153041
[INFO] extracting crate rmqttd 0.18.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate rmqttd 0.18.1
[INFO] finished tweaking crates.io crate rmqttd 0.18.1
[INFO] tweaked toml for crates.io crate rmqttd 0.18.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rmqttd 0.18.1 on toolchain 54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rmqttd 0.18.1 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" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8870dd48fe5c9a2d652c8e1661eda0f7de376ea97d1da38d602d9a53daa9664e
[INFO] running `Command { std: "docker" "start" "-a" "8870dd48fe5c9a2d652c8e1661eda0f7de376ea97d1da38d602d9a53daa9664e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8870dd48fe5c9a2d652c8e1661eda0f7de376ea97d1da38d602d9a53daa9664e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8870dd48fe5c9a2d652c8e1661eda0f7de376ea97d1da38d602d9a53daa9664e", kill_on_drop: false }`
[INFO] [stdout] 8870dd48fe5c9a2d652c8e1661eda0f7de376ea97d1da38d602d9a53daa9664e
[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=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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 667583e7d6e69136d655ee35c831744ddf6c329562ffdc6d7a311b676eb21fed
[INFO] running `Command { std: "docker" "start" "-a" "667583e7d6e69136d655ee35c831744ddf6c329562ffdc6d7a311b676eb21fed", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling serde_core v1.0.221
[INFO] [stderr]    Compiling serde v1.0.221
[INFO] [stderr]     Checking value-bag v1.11.1
[INFO] [stderr]    Compiling find-msvc-tools v0.1.1
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking indexmap v2.11.1
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling aws-lc-rs v1.14.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]    Compiling rustls v0.23.31
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling serde_json v1.0.144
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]     Checking lock_api v0.4.13
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking regex-automata v0.4.10
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]    Compiling multimap v0.10.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling petgraph v0.7.1
[INFO] [stderr]    Compiling cc v1.2.37
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]     Checking rustls-native-certs v0.8.1
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking signal-hook-registry v1.4.7
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking dashmap v6.1.0
[INFO] [stderr]     Checking data-encoding v2.9.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rusticata-macros v4.1.0
[INFO] [stderr]     Checking dequemap v0.2.2
[INFO] [stderr]    Compiling aws-lc-sys v0.31.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]     Checking std-ext v0.3.2
[INFO] [stderr]    Compiling quinn-udp v0.5.14
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling tempfile v3.22.0
[INFO] [stderr]    Compiling oid-registry v0.8.1
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking box-collections v0.2.0
[INFO] [stderr]     Checking fastbloom v0.14.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quinn v0.11.9
[INFO] [stderr]     Checking regex v1.11.2
[INFO] [stderr]    Compiling proc-macro-utils v0.8.0
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]     Checking nonzero_ext v0.3.0
[INFO] [stderr]     Checking lru-slab v0.1.2
[INFO] [stderr]     Checking winnow v0.7.13
[INFO] [stderr]    Compiling interpolator v0.5.0
[INFO] [stderr]    Compiling collection_literals v1.0.2
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]     Checking toml_writer v1.0.2
[INFO] [stderr]     Checking raw-cpuid v11.6.0
[INFO] [stderr]    Compiling prometheus v0.13.4
[INFO] [stderr]     Checking uuid v1.18.1
[INFO] [stderr]     Checking spinning_top v0.3.0
[INFO] [stderr]     Checking bytesize v1.3.3
[INFO] [stderr]     Checking base64ct v1.8.0
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]    Compiling openssl-sys v0.9.111
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking der v0.7.10
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking webpki-roots v1.0.2
[INFO] [stderr]    Compiling openssl v0.10.75
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling ntex-service v3.5.0
[INFO] [stderr]    Compiling ntex-rt v0.4.32
[INFO] [stderr]    Compiling prettyplease v0.1.25
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]     Checking oneshot v0.1.11
[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/54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47/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="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=8b65a73b33d1dc49 -C extra-filename=-e2377a2b91853751 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-369d8852c9a54258.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-6fc91d8310bf4fee.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b4c15d9166d0a657.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" "667583e7d6e69136d655ee35c831744ddf6c329562ffdc6d7a311b676eb21fed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "667583e7d6e69136d655ee35c831744ddf6c329562ffdc6d7a311b676eb21fed", kill_on_drop: false }`
[INFO] [stdout] 667583e7d6e69136d655ee35c831744ddf6c329562ffdc6d7a311b676eb21fed