[INFO] fetching crate turbomcp-dpop 1.1.0-exp.6...
[INFO] building turbomcp-dpop-1.1.0-exp.6 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate turbomcp-dpop 1.1.0-exp.6 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate turbomcp-dpop 1.1.0-exp.6
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate turbomcp-dpop 1.1.0-exp.6
[INFO] tweaked toml for crates.io crate turbomcp-dpop 1.1.0-exp.6 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate turbomcp-dpop 1.1.0-exp.6 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate turbomcp-dpop 1.1.0-exp.6 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87e4c4f997df280d8e9ab2f715470cfed09107a5ba6b60e25cd154665964be4f
[INFO] running `Command { std: "docker" "start" "-a" "87e4c4f997df280d8e9ab2f715470cfed09107a5ba6b60e25cd154665964be4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87e4c4f997df280d8e9ab2f715470cfed09107a5ba6b60e25cd154665964be4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87e4c4f997df280d8e9ab2f715470cfed09107a5ba6b60e25cd154665964be4f", kill_on_drop: false }`
[INFO] [stdout] 87e4c4f997df280d8e9ab2f715470cfed09107a5ba6b60e25cd154665964be4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc42f7e284a9d02c632f4cb0f5e478fc7841355bbf0e4fce912c48f2ee6a14ad
[INFO] running `Command { std: "docker" "start" "-a" "dc42f7e284a9d02c632f4cb0f5e478fc7841355bbf0e4fce912c48f2ee6a14ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling base64ct v1.8.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling lexical-util v1.0.6
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling ref-cast v1.0.24
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling indexmap v2.11.1
[INFO] [stderr]    Compiling yoke v0.8.0
[INFO] [stderr]    Compiling ref-cast-impl v1.0.24
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling zerovec v0.11.4
[INFO] [stderr]    Compiling pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling der v0.7.10
[INFO] [stderr]    Compiling ff v0.13.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling crypto-bigint v0.5.5
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling deranged v0.5.3
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]    Compiling lexical-write-integer v1.0.5
[INFO] [stderr]    Compiling lexical-parse-integer v1.0.5
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling castaway v0.2.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling lexical-write-float v1.0.5
[INFO] [stderr]    Compiling sonic-number v0.1.0
[INFO] [stderr]    Compiling lexical-parse-float v1.0.5
[INFO] [stderr]    Compiling sonic-simd v0.1.1
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr] error: could not compile `serde_derive` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name serde_derive --edition=2015 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_derive-1.0.219/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no --cfg 'feature="default"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "deserialize_in_place"))' -C metadata=6ac9ad67ec724050 -C extra-filename=-8cf01ceb517d4e57 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a28683de7e2d991e.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-084ae52e87cd4d87.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-d39b452e62eda284.rlib --extern proc_macro --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" "dc42f7e284a9d02c632f4cb0f5e478fc7841355bbf0e4fce912c48f2ee6a14ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc42f7e284a9d02c632f4cb0f5e478fc7841355bbf0e4fce912c48f2ee6a14ad", kill_on_drop: false }`
[INFO] [stdout] dc42f7e284a9d02c632f4cb0f5e478fc7841355bbf0e4fce912c48f2ee6a14ad