[INFO] fetching crate swarm-discovery 0.6.0...
[INFO] testing swarm-discovery-0.6.0 against 1.95.0 for beta-1.96-2
[INFO] extracting crate swarm-discovery 0.6.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate swarm-discovery 0.6.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate swarm-discovery 0.6.0
[INFO] tweaked toml for crates.io crate swarm-discovery 0.6.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate swarm-discovery 0.6.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate swarm-discovery 0.6.0 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded acto v0.8.0
[INFO] [stderr]   Downloaded tinyvec v1.8.1
[INFO] [stderr]   Downloaded libtest-mimic v0.6.1
[INFO] [stderr]   Downloaded jni-macros v0.22.4
[INFO] [stderr]   Downloaded smol_str v0.1.24
[INFO] [stderr]   Downloaded polling v2.8.0
[INFO] [stderr]   Downloaded async-process v1.8.1
[INFO] [stderr]   Downloaded async-io v1.13.0
[INFO] [stderr]   Downloaded jni v0.22.4
[INFO] [stderr]   Downloaded clap_builder v4.5.27
[INFO] [stderr]   Downloaded zerocopy v0.8.17
[INFO] [stderr]   Downloaded async-std v1.13.0
[INFO] [stderr]   Downloaded simd_cesu8 v1.1.1
[INFO] [stderr]   Downloaded hickory-proto v0.26.0
[INFO] [stderr]   Downloaded rustix v0.37.28
[INFO] [stderr]   Downloaded ipc-channel v0.20.2
[INFO] [stderr]   Downloaded rand_core v0.9.0
[INFO] [stderr]   Downloaded tempfile v3.16.0
[INFO] [stderr]   Downloaded async-signal v0.2.10
[INFO] [stderr]   Downloaded event-listener v3.1.0
[INFO] [stderr]   Downloaded ioctl-sys v0.8.0
[INFO] [stderr]   Downloaded ipc-channel v0.18.3
[INFO] [stderr]   Downloaded netsim-embed-nat v0.4.2
[INFO] [stderr]   Downloaded async-executor v1.13.1
[INFO] [stderr]   Downloaded libpacket-core v0.1.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.8
[INFO] [stderr]   Downloaded netsim-embed-core v0.4.3
[INFO] [stderr]   Downloaded netsim-embed-router v0.4.7
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.17
[INFO] [stderr]   Downloaded clap v4.5.28
[INFO] [stderr]   Downloaded netsim-embed v0.9.1
[INFO] [stderr]   Downloaded semver v1.0.25
[INFO] [stderr]   Downloaded value-bag v1.10.0
[INFO] [stderr]   Downloaded data-encoding v2.8.0
[INFO] [stderr]   Downloaded if-addrs v0.14.0
[INFO] [stderr]   Downloaded netsim-embed-machine v0.6.4
[INFO] [stderr]   Downloaded netsim-embed-macros v0.2.0
[INFO] [stderr]   Downloaded event-listener-strategy v0.5.3
[INFO] [stderr]   Downloaded libpacket-derive v0.1.1
[INFO] [stderr]   Downloaded libpacket v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7101419801950c00a103f4d85bb578373c02915edc2b770a09e29eee4f9536d
[INFO] running `Command { std: "docker" "start" "-a" "e7101419801950c00a103f4d85bb578373c02915edc2b770a09e29eee4f9536d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7101419801950c00a103f4d85bb578373c02915edc2b770a09e29eee4f9536d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7101419801950c00a103f4d85bb578373c02915edc2b770a09e29eee4f9536d", kill_on_drop: false }`
[INFO] [stdout] e7101419801950c00a103f4d85bb578373c02915edc2b770a09e29eee4f9536d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16afc1855b217cccb1acee4cc334ed76ff95ab1e8abb83c611314b74bb699716
[INFO] running `Command { std: "docker" "start" "-a" "16afc1855b217cccb1acee4cc334ed76ff95ab1e8abb83c611314b74bb699716", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling litemap v0.7.4
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling portable-atomic v1.13.1
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.0
[INFO] [stderr]    Compiling icu_properties_data v1.5.0
[INFO] [stderr]    Compiling semver v1.0.25
[INFO] [stderr]    Compiling critical-section v1.2.0
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.0
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling rand_core v0.10.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling cpufeatures v0.3.0
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling tinyvec v1.8.1
[INFO] [stderr]    Compiling smol_str v0.1.24
[INFO] [stderr]    Compiling data-encoding v2.8.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling chacha20 v0.10.0
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling ipnet v2.11.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling rand v0.10.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling acto v0.8.0
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling once_cell v1.20.3
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling zerofrom-derive v0.1.5
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling tokio-macros v2.6.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling zerofrom v0.1.5
[INFO] [stderr]    Compiling tokio v1.50.0
[INFO] [stderr]    Compiling yoke v0.7.5
[INFO] [stderr]    Compiling zerovec v0.10.4
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling tinystr v0.7.6
[INFO] [stderr]    Compiling icu_collections v1.5.0
[INFO] [stderr]    Compiling icu_locid v1.5.0
[INFO] [stderr]    Compiling icu_provider v1.5.0
[INFO] [stderr]    Compiling icu_locid_transform v1.5.0
[INFO] [stderr]    Compiling icu_properties v1.5.1
[INFO] [stderr]    Compiling icu_normalizer v1.5.0
[INFO] [stderr]    Compiling idna_adapter v1.2.0
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling hickory-proto v0.26.0
[INFO] [stderr]    Compiling swarm-discovery v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.43s
[INFO] running `Command { std: "docker" "inspect" "16afc1855b217cccb1acee4cc334ed76ff95ab1e8abb83c611314b74bb699716", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16afc1855b217cccb1acee4cc334ed76ff95ab1e8abb83c611314b74bb699716", kill_on_drop: false }`
[INFO] [stdout] 16afc1855b217cccb1acee4cc334ed76ff95ab1e8abb83c611314b74bb699716
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d8224101964586ef9c4748abd6fea35cc2f93a4fe779a2fde484df7c8e823c0
[INFO] running `Command { std: "docker" "start" "-a" "0d8224101964586ef9c4748abd6fea35cc2f93a4fe779a2fde484df7c8e823c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling value-bag v1.10.0
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling bitflags v2.8.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling futures-lite v2.6.0
[INFO] [stderr]    Compiling event-listener v5.4.0
[INFO] [stderr]    Compiling rustix v0.37.28
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling log v0.4.25
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling event-listener-strategy v0.5.3
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling async-lock v3.4.0
[INFO] [stderr]    Compiling async-channel v2.3.1
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling waker-fn v1.2.0
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling async-lock v2.8.0
[INFO] [stderr]    Compiling blocking v1.6.1
[INFO] [stderr]    Compiling async-executor v1.13.1
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling libpacket-core v0.1.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling clap_derive v4.5.28
[INFO] [stderr]    Compiling uuid v1.13.1
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling event-listener v3.1.0
[INFO] [stderr]    Compiling clap_builder v4.5.27
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling tokio v1.50.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling ioctl-sys v0.8.0
[INFO] [stderr]    Compiling hickory-proto v0.26.0
[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/1.95.0-x86_64-unknown-linux-gnu/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="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=520615e621851a39 -C extra-filename=-df3cb5bca79011c9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-5710bb5507a27e72.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-9c64e5fd93327b28.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-df7c713b1fd43b61.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0d8224101964586ef9c4748abd6fea35cc2f93a4fe779a2fde484df7c8e823c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d8224101964586ef9c4748abd6fea35cc2f93a4fe779a2fde484df7c8e823c0", kill_on_drop: false }`
[INFO] [stdout] 0d8224101964586ef9c4748abd6fea35cc2f93a4fe779a2fde484df7c8e823c0
