[INFO] fetching crate memberlist-plumtree 0.1.5...
[INFO] checking memberlist-plumtree-0.1.5 against try#70daa2c0d8eed7066b07966f3c0b0b8622bff4e4 for pr-151539
[INFO] extracting crate memberlist-plumtree 0.1.5 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate memberlist-plumtree 0.1.5
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate memberlist-plumtree 0.1.5
[INFO] tweaked toml for crates.io crate memberlist-plumtree 0.1.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate memberlist-plumtree 0.1.5 on toolchain 70daa2c0d8eed7066b07966f3c0b0b8622bff4e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate memberlist-plumtree 0.1.5 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" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 308e51ea255027eba75ef9576ffc87f4bece45d191d23be1ee3cce7d99d754b6
[INFO] running `Command { std: "docker" "start" "-a" "308e51ea255027eba75ef9576ffc87f4bece45d191d23be1ee3cce7d99d754b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "308e51ea255027eba75ef9576ffc87f4bece45d191d23be1ee3cce7d99d754b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "308e51ea255027eba75ef9576ffc87f4bece45d191d23be1ee3cce7d99d754b6", kill_on_drop: false }`
[INFO] [stdout] 308e51ea255027eba75ef9576ffc87f4bece45d191d23be1ee3cce7d99d754b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9597666fde2f99fbef562ca28bbb01361a9ae7f851836165fc98f280fd87ec91
[INFO] running `Command { std: "docker" "start" "-a" "9597666fde2f99fbef562ca28bbb01361a9ae7f851836165fc98f280fd87ec91", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling portable-atomic v1.13.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking block-padding v0.3.3
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]     Checking tokio v1.49.0
[INFO] [stderr]    Compiling enum-as-inner v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking inout v0.1.4
[INFO] [stderr]    Compiling quinn-udp v0.5.14
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking yoke v0.8.1
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking atomic-time v0.1.5
[INFO] [stderr]    Compiling quinn v0.11.9
[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]     Checking zerovec v0.11.5
[INFO] [stderr]     Checking zerotrie v0.2.3
[INFO] [stderr]     Checking thiserror v2.0.18
[INFO] [stderr]     Checking smol_str v0.3.5
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]     Checking quinn-proto v0.11.13
[INFO] [stderr]     Checking polyval v0.6.2
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]     Checking ctr v0.9.2
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking smallvec-wrapper v0.3.0
[INFO] [stderr]     Checking ghash v0.5.1
[INFO] [stderr]     Checking crossbeam-skiplist v0.1.3
[INFO] [stderr]     Checking cheap-clone v0.3.0
[INFO] [stderr]     Checking tinystr v0.8.2
[INFO] [stderr]     Checking potential_utf v0.1.4
[INFO] [stderr]     Checking pin-project v1.1.10
[INFO] [stderr]     Checking aead v0.5.2
[INFO] [stderr]    Compiling derive_utils v0.15.0
[INFO] [stderr]    Compiling memberlist-proto v0.2.0
[INFO] [stderr]     Checking varing v0.10.0
[INFO] [stderr]     Checking metrics v0.24.3
[INFO] [stderr]     Checking icu_locale_core v2.1.1
[INFO] [stderr]     Checking icu_collections v2.1.1
[INFO] [stderr]     Checking cbc v0.1.2
[INFO] [stderr]     Checking generic-array v1.3.5
[INFO] [stderr]    Compiling memberlist-core v0.7.0
[INFO] [stderr]    Compiling hardware-address v0.2.0
[INFO] [stderr]     Checking among v0.1.7
[INFO] [stderr]     Checking aes-gcm v0.10.3
[INFO] [stderr]     Checking async-lock v3.4.2
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]    Compiling auto_impl v1.3.0
[INFO] [stderr]    Compiling auto_enums v0.8.7
[INFO] [stderr]     Checking atomic_refcell v0.1.13
[INFO] [stderr]    Compiling getifs v0.4.0
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]     Checking icu_provider v2.1.1
[INFO] [stderr]    Compiling prettyplease v0.1.25
[INFO] [stderr]     Checking iprfc v0.2.0
[INFO] [stderr]    Compiling zmij v1.0.15
[INFO] [stderr]     Checking icu_properties v2.1.2
[INFO] [stderr]     Checking icu_normalizer v2.1.1
[INFO] [stderr]     Checking linux-raw-sys v0.12.1
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]     Checking tungstenite v0.24.0
[INFO] [stderr]     Checking ibig v0.3.6
[INFO] [stderr]     Checking firestorm v0.5.1
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]    Compiling memberlist v0.7.0
[INFO] [stderr]     Checking xxhash-rust v0.8.15
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking smol_str v0.2.2
[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/70daa2c0d8eed7066b07966f3c0b0b8622bff4e4/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=fcb77f2792d18b7a -C extra-filename=-d299d106f515569b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-fce1a70fd2c3744d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e054a971070e2c6a.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-9533002ac35f5809.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" "9597666fde2f99fbef562ca28bbb01361a9ae7f851836165fc98f280fd87ec91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9597666fde2f99fbef562ca28bbb01361a9ae7f851836165fc98f280fd87ec91", kill_on_drop: false }`
[INFO] [stdout] 9597666fde2f99fbef562ca28bbb01361a9ae7f851836165fc98f280fd87ec91