[INFO] cloning repository https://github.com/371tti/observer-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/371tti/observer-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F371tti%2Fobserver-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F371tti%2Fobserver-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cce85b68e2c614a358e58cbe440f4bd364fffad6
[INFO] checking 371tti/observer-rust against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F371tti%2Fobserver-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/371tti/observer-rust
[INFO] finished tweaking git repo https://github.com/371tti/observer-rust
[INFO] tweaked toml for git repo https://github.com/371tti/observer-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/371tti/observer-rust on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/371tti/observer-rust 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" "+36b21637e93b038453924d3c66821089e71d8baa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d1817702e880f6ce82011b2a2077777bda83ebf75a72c30fc5fa9b455965529
[INFO] running `Command { std: "docker" "start" "-a" "9d1817702e880f6ce82011b2a2077777bda83ebf75a72c30fc5fa9b455965529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d1817702e880f6ce82011b2a2077777bda83ebf75a72c30fc5fa9b455965529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d1817702e880f6ce82011b2a2077777bda83ebf75a72c30fc5fa9b455965529", kill_on_drop: false }`
[INFO] [stdout] 9d1817702e880f6ce82011b2a2077777bda83ebf75a72c30fc5fa9b455965529
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c26f06c58d7bc5cb09a96ceca1dd845dd574335601c95eeba36a9b22905a4801
[INFO] running `Command { std: "docker" "start" "-a" "c26f06c58d7bc5cb09a96ceca1dd845dd574335601c95eeba36a9b22905a4801", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]    Compiling openssl v0.10.72
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking hashbrown v0.15.3
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]     Checking http v1.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]    Compiling litemap v0.8.0
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]    Compiling writeable v0.6.1
[INFO] [stderr]     Checking tower-service v0.3.3
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]     Checking miniz_oxide v0.8.8
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]     Checking rustls-pki-types v1.12.0
[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling socket2 v0.5.9
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]     Checking flate2 v1.1.1
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling cc v1.2.24
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]    Compiling openssl-probe v0.1.6
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking ipnet v2.11.0
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling rustls v0.22.4
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling string_cache_codegen v0.5.4
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]     Checking aligned-vec v0.5.0
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]     Checking local-waker v0.1.4
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling built v0.7.7
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling markup5ever v0.14.1
[INFO] [stderr]     Checking v_frame v0.3.8
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]     Checking alloc-stdlib v0.2.2
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]    Compiling rav1e v0.7.1
[INFO] [stderr]    Compiling openssl-sys v0.9.108
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling zstd-sys v2.0.15+zstd.1.5.7
[INFO] [stderr]    Compiling bzip2-sys v0.1.13+1.0.8
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]     Checking dtoa v1.0.10
[INFO] [stderr]     Checking tower-layer v0.3.3
[INFO] [stderr]    Compiling synstructure v0.13.2
[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/36b21637e93b038453924d3c66821089e71d8baa/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.101/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=870cf6348d3779c0 -C extra-filename=-1547285a5c2cb0de --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-09040b10b620fa15.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-bff949ffe258c67d.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" "c26f06c58d7bc5cb09a96ceca1dd845dd574335601c95eeba36a9b22905a4801", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c26f06c58d7bc5cb09a96ceca1dd845dd574335601c95eeba36a9b22905a4801", kill_on_drop: false }`
[INFO] [stdout] c26f06c58d7bc5cb09a96ceca1dd845dd574335601c95eeba36a9b22905a4801
