[INFO] fetching crate synapse 1.1.0...
[INFO] building synapse-1.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate synapse 1.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate synapse 1.1.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate synapse 1.1.0
[INFO] tweaked toml for crates.io crate synapse 1.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate synapse 1.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate synapse 1.1.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-logger v0.2.0
[INFO] [stderr]   Downloaded bincode_derive v2.0.1
[INFO] [stderr]   Downloaded stop-token v0.7.0
[INFO] [stderr]   Downloaded unty v0.0.4
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.50
[INFO] [stderr]   Downloaded mdns v3.0.0
[INFO] [stderr]   Downloaded oauth-device-flows v0.1.0
[INFO] [stderr]   Downloaded imap-proto v0.16.5
[INFO] [stderr]   Downloaded async-smtp v0.10.2
[INFO] [stderr]   Downloaded mdns-sd v0.13.11
[INFO] [stderr]   Downloaded auto-discovery v0.2.0
[INFO] [stderr]   Downloaded hashify v0.2.6
[INFO] [stderr]   Downloaded governor v0.10.0
[INFO] [stderr]   Downloaded sysinfo v0.36.0
[INFO] [stderr]   Downloaded yaml-rust2 v0.10.3
[INFO] [stderr]   Downloaded redis v0.32.4
[INFO] [stderr]   Downloaded trust-dns-resolver v0.23.2
[INFO] [stderr]   Downloaded bincode v2.0.1
[INFO] [stderr]   Downloaded async-compression v0.4.27
[INFO] [stderr]   Downloaded tungstenite v0.27.0
[INFO] [stderr]   Downloaded config v0.15.13
[INFO] [stderr]   Downloaded trust-dns-proto v0.23.2
[INFO] [stderr]   Downloaded async-imap v0.10.4
[INFO] [stderr]   Downloaded trust-dns-client v0.23.2
[INFO] [stderr]   Downloaded virtue v0.0.18
[INFO] [stderr]   Downloaded mail-parser v0.11.0
[INFO] [stderr]   Downloaded rust-ini v0.21.2
[INFO] [stderr]   Downloaded tokio-tungstenite v0.27.0
[INFO] [stderr]   Downloaded if-addrs v0.13.4
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.50
[INFO] [stderr]   Downloaded gloo-storage v0.3.0
[INFO] [stderr]   Downloaded auth-framework v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01b719b91edbe6af15f81d8b91fdd8e3f66b29a64ecd3b8a1646523f966d0465
[INFO] running `Command { std: "docker" "start" "-a" "01b719b91edbe6af15f81d8b91fdd8e3f66b29a64ecd3b8a1646523f966d0465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01b719b91edbe6af15f81d8b91fdd8e3f66b29a64ecd3b8a1646523f966d0465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01b719b91edbe6af15f81d8b91fdd8e3f66b29a64ecd3b8a1646523f966d0465", kill_on_drop: false }`
[INFO] [stdout] 01b719b91edbe6af15f81d8b91fdd8e3f66b29a64ecd3b8a1646523f966d0465
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d2ba4764a72d0349788890482c35bcb399f201e2772b872ddf950593d02524a
[INFO] running `Command { std: "docker" "start" "-a" "4d2ba4764a72d0349788890482c35bcb399f201e2772b872ddf950593d02524a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling cc v1.2.29
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling rustls v0.23.29
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling event-listener v5.4.0
[INFO] [stderr]    Compiling webpki-roots v1.0.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling futures-lite v2.6.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling hashlink v0.10.0
[INFO] [stderr]    Compiling base64ct v1.8.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling crc v3.3.0
[INFO] [stderr]    Compiling async-lock v3.4.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling webpki-roots v0.26.11
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling hdrhistogram v7.5.4
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling tokio v1.46.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling async-executor v1.13.2
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling whoami v1.6.0
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling uuid v1.17.0
[INFO] [stderr]    Compiling http-range-header v0.4.2
[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]    Compiling hkdf v0.12.4
[INFO] [stderr]    Compiling der v0.7.10
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling zstd-sys v2.0.15+zstd.1.5.7
[INFO] [stderr]    Compiling psm v0.1.26
[INFO] [stderr]    Compiling stacker v0.1.21
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling md-5 v0.10.6
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling idna v0.4.0
[INFO] [stderr]    Compiling spinning_top v0.3.0
[INFO] [stderr]    Compiling nonzero_ext v0.3.0
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling bytemuck v1.23.1
[INFO] [stderr]    Compiling spki v0.7.3
[INFO] [stderr]    Compiling curve25519-dalek v4.2.0
[INFO] [stderr]    Compiling image v0.25.6
[INFO] [stderr]    Compiling dlv-list v0.5.2
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling universal-hash v0.5.1
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling winnow v0.7.12
[INFO] [stderr]    Compiling num-bigint-dig v0.8.4
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling polyval v0.6.2
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling dns-parser v0.8.0
[INFO] [stderr]    Compiling ordered-multimap v0.7.3
[INFO] [stderr]    Compiling qrcode v0.14.1
[INFO] [stderr]    Compiling pkcs8 v0.10.2
[INFO] [stderr]    Compiling blake3 v1.8.2
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[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/c7f6aa2869acdbf014d094c6e427e554e160b6db/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"' --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", "quote", "test", "visit", "visit-mut"))' -C metadata=bc7a8024c1a3e947 -C extra-filename=-2c17a1683ad596dc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-3af986f44966aa55.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b3530727cd9d6d55.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-549afb6be76d59d6.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" "4d2ba4764a72d0349788890482c35bcb399f201e2772b872ddf950593d02524a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d2ba4764a72d0349788890482c35bcb399f201e2772b872ddf950593d02524a", kill_on_drop: false }`
[INFO] [stdout] 4d2ba4764a72d0349788890482c35bcb399f201e2772b872ddf950593d02524a