[INFO] fetching crate synapse 1.1.0...
[INFO] documenting synapse-1.1.0 against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918
[INFO] extracting crate synapse 1.1.0 into /workspace/builds/worker-3-tc2/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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate synapse 1.1.0 on toolchain a394c9cd9ec93787f09a7ac445b14cc674a94549
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "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" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6575dc1fdc53cbe0187f087981cad3b1af180f523db88fb044189cd271809753
[INFO] running `Command { std: "docker" "start" "-a" "6575dc1fdc53cbe0187f087981cad3b1af180f523db88fb044189cd271809753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6575dc1fdc53cbe0187f087981cad3b1af180f523db88fb044189cd271809753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6575dc1fdc53cbe0187f087981cad3b1af180f523db88fb044189cd271809753", kill_on_drop: false }`
[INFO] [stdout] 6575dc1fdc53cbe0187f087981cad3b1af180f523db88fb044189cd271809753
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b466428caf183c58b9c2b7adbf98caa24ecc78c9bda3b11e818a3296daac0dc
[INFO] running `Command { std: "docker" "start" "-a" "9b466428caf183c58b9c2b7adbf98caa24ecc78c9bda3b11e818a3296daac0dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking value-bag v1.11.1
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling rustls v0.23.29
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking event-listener v5.4.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling litemap v0.8.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling writeable v0.6.1
[INFO] [stderr]    Compiling zstd-sys v2.0.15+zstd.1.5.7
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking futures-lite v2.6.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]     Checking tinyvec v1.9.0
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling rustls-pki-types v1.12.0
[INFO] [stderr]     Checking indexmap v2.10.0
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking async-lock v3.4.0
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]     Checking unicode-normalization v0.1.24
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling webpki-roots v1.0.1
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking brotli v8.0.1
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking piper v0.2.4
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]     Checking hdrhistogram v7.5.4
[INFO] [stderr]    Compiling tokio v1.46.1
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling slab v0.4.10
[INFO] [stderr]    Compiling iana-time-zone v0.1.63
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking blocking v1.6.2
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling webpki-roots v0.26.11
[INFO] [stderr]    Compiling hashlink v0.10.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]     Checking async-executor v1.13.2
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling psm v0.1.26
[INFO] [stderr]     Checking http-range-header v0.4.2
[INFO] [stderr]    Compiling uuid v1.17.0
[INFO] [stderr]    Compiling unicode-properties v0.1.3
[INFO] [stderr]    Compiling hkdf v0.12.4
[INFO] [stderr]    Compiling stringprep v0.1.5
[INFO] [stderr]     Checking der v0.7.10
[INFO] [stderr]     Checking const-random v0.1.18
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]    Compiling atoi v2.0.0
[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/a394c9cd9ec93787f09a7ac445b14cc674a94549/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.104/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=5f7b857977410d5c -C extra-filename=-cfd6329c1f738c34 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-7ce6b3f4dc219eb0.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-44d9337c4ae43907.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b3925cc8f83e9ac1.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" "9b466428caf183c58b9c2b7adbf98caa24ecc78c9bda3b11e818a3296daac0dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b466428caf183c58b9c2b7adbf98caa24ecc78c9bda3b11e818a3296daac0dc", kill_on_drop: false }`
[INFO] [stdout] 9b466428caf183c58b9c2b7adbf98caa24ecc78c9bda3b11e818a3296daac0dc