[INFO] fetching crate re_viewer_mcp 0.38.1...
[INFO] checking re_viewer_mcp-0.38.1 against db8f076d2619ce2585b0380dda06e8da25a40da4 for pr-163699
[INFO] extracting crate re_viewer_mcp 0.38.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate re_viewer_mcp 0.38.1
[INFO] finished tweaking crates.io crate re_viewer_mcp 0.38.1
[INFO] tweaked toml for crates.io crate re_viewer_mcp 0.38.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate re_viewer_mcp 0.38.1 on toolchain db8f076d2619ce2585b0380dda06e8da25a40da4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db8f076d2619ce2585b0380dda06e8da25a40da4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate re_viewer_mcp 0.38.1 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" "+db8f076d2619ce2585b0380dda06e8da25a40da4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-sink v0.3.33
[INFO] [stderr]   Downloaded futures-macro v0.3.33
[INFO] [stderr]   Downloaded futures-io v0.3.33
[INFO] [stderr]   Downloaded futures-channel v0.3.33
[INFO] [stderr]   Downloaded tracing-web v0.1.3
[INFO] [stderr]   Downloaded re_byte_size_derive v0.38.1
[INFO] [stderr]   Downloaded ref-cast-impl v1.0.26
[INFO] [stderr]   Downloaded re_tracing v0.38.1
[INFO] [stderr]   Downloaded http-body-util v0.1.4
[INFO] [stderr]   Downloaded re_byte_size v0.38.1
[INFO] [stderr]   Downloaded re_case v0.38.1
[INFO] [stderr]   Downloaded re_span v0.38.1
[INFO] [stderr]   Downloaded re_string_interner v0.38.1
[INFO] [stderr]   Downloaded re_error v0.38.1
[INFO] [stderr]   Downloaded re_format v0.38.1
[INFO] [stderr]   Downloaded re_int v0.38.1
[INFO] [stderr]   Downloaded ref-cast v1.0.26
[INFO] [stderr]   Downloaded rmcp-macros v1.8.0
[INFO] [stderr]   Downloaded futures-executor v0.3.33
[INFO] [stderr]   Downloaded tonic-reflection v0.14.6
[INFO] [stderr]   Downloaded re_tuid v0.38.1
[INFO] [stderr]   Downloaded re_log v0.38.1
[INFO] [stderr]   Downloaded nu-ansi-term v0.50.1
[INFO] [stderr]   Downloaded quiver_derive v0.6.1
[INFO] [stderr]   Downloaded clean-path v0.2.1
[INFO] [stderr]   Downloaded re_grpc_headers v0.38.1
[INFO] [stderr]   Downloaded re_build_info v0.38.1
[INFO] [stderr]   Downloaded az v1.3.0
[INFO] [stderr]   Downloaded re_quota_channel v0.38.1
[INFO] [stderr]   Downloaded egui_inspection v0.36.2
[INFO] [stderr]   Downloaded h2 v0.4.16
[INFO] [stderr]   Downloaded vec1 v1.12.1
[INFO] [stderr]   Downloaded arrow-string v58.3.0
[INFO] [stderr]   Downloaded puffin v0.20.0
[INFO] [stderr]   Downloaded xxhash-rust v0.8.18
[INFO] [stderr]   Downloaded self_cell v1.3.0
[INFO] [stderr]   Downloaded futures v0.3.33
[INFO] [stderr]   Downloaded re_types_core v0.38.1
[INFO] [stderr]   Downloaded arrow-data v58.3.0
[INFO] [stderr]   Downloaded arrow-row v58.3.0
[INFO] [stderr]   Downloaded arrow-ord v58.3.0
[INFO] [stderr]   Downloaded arrow-arith v58.3.0
[INFO] [stderr]   Downloaded quiver v0.6.1
[INFO] [stderr]   Downloaded re_arrow_util v0.38.1
[INFO] [stderr]   Downloaded re_sorbet v0.38.1
[INFO] [stderr]   Downloaded console v0.16.4
[INFO] [stderr]   Downloaded egui_mcp v0.2.0
[INFO] [stderr]   Downloaded rmp v0.8.15
[INFO] [stderr]   Downloaded font-types v0.12.2
[INFO] [stderr]   Downloaded emath v0.36.2
[INFO] [stderr]   Downloaded ecolor v0.36.2
[INFO] [stderr]   Downloaded accesskit_consumer v0.37.0
[INFO] [stderr]   Downloaded toml_edit v0.25.13+spec-1.1.0
[INFO] [stderr]   Downloaded lz4_flex v0.13.1
[INFO] [stderr]   Downloaded rmp-serde v1.3.1
[INFO] [stderr]   Downloaded glifo v0.2.0
[INFO] [stderr]   Downloaded cc v1.4.0
[INFO] [stderr]   Downloaded arrow-buffer v58.3.0
[INFO] [stderr]   Downloaded arrow-json v58.3.0
[INFO] [stderr]   Downloaded quiver_types v0.6.1
[INFO] [stderr]   Downloaded re_log_types v0.38.1
[INFO] [stderr]   Downloaded opentelemetry v0.32.0
[INFO] [stderr]   Downloaded arrow v58.3.0
[INFO] [stderr]   Downloaded arrow-schema v58.3.0
[INFO] [stderr]   Downloaded comfy-table v7.2.2
[INFO] [stderr]   Downloaded arrow-select v58.3.0
[INFO] [stderr]   Downloaded arrow-cast v58.3.0
[INFO] [stderr]   Downloaded re_chunk v0.38.1
[INFO] [stderr]   Downloaded prost-reflect v0.16.5
[INFO] [stderr]   Downloaded insta v1.48.0
[INFO] [stderr]   Downloaded vello_cpu v0.1.0
[INFO] [stderr]   Downloaded arrow-ipc v58.3.0
[INFO] [stderr]   Downloaded epaint v0.36.2
[INFO] [stderr]   Downloaded vello_common v0.1.0
[INFO] [stderr]   Downloaded re_protos v0.38.1
[INFO] [stderr]   Downloaded portable-atomic v1.14.0
[INFO] [stderr]   Downloaded fixed v1.31.0
[INFO] [stderr]   Downloaded fearless_simd v0.4.1
[INFO] [stderr]   Downloaded arrow-array v58.3.0
[INFO] [stderr]   Downloaded harfrust v0.12.0
[INFO] [stderr]   Downloaded rmcp v1.8.0
[INFO] [stderr]   Downloaded egui v0.36.2
[INFO] [stderr]   Downloaded regex-automata v0.4.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2f6be1840b8e3256f8b66895cef9d848e0097ae4683cbc57f20bd235a33946c9
[INFO] running `Command { std: "docker" "start" "2f6be1840b8e3256f8b66895cef9d848e0097ae4683cbc57f20bd235a33946c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f6be1840b8e3256f8b66895cef9d848e0097ae4683cbc57f20bd235a33946c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2f6be1840b8e3256f8b66895cef9d848e0097ae4683cbc57f20bd235a33946c9" "/opt/rustwide/cargo-home/bin/cargo" "+db8f076d2619ce2585b0380dda06e8da25a40da4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f6be1840b8e3256f8b66895cef9d848e0097ae4683cbc57f20bd235a33946c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2f6be1840b8e3256f8b66895cef9d848e0097ae4683cbc57f20bd235a33946c9" "/opt/rustwide/cargo-home/bin/cargo" "+db8f076d2619ce2585b0380dda06e8da25a40da4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]    Compiling zerocopy v0.8.55
[INFO] [stderr]     Checking indexmap v2.14.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking futures-core v0.3.33
[INFO] [stderr]     Checking regex-syntax v0.8.11
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling syn v3.0.3
[INFO] [stderr]     Checking lexical-util v1.0.7
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling thiserror v2.0.19
[INFO] [stderr]     Checking futures-sink v0.3.33
[INFO] [stderr]    Compiling flatbuffers v25.12.19
[INFO] [stderr]    Compiling crossbeam-utils v0.8.22
[INFO] [stderr]     Checking atoi v2.0.0
[INFO] [stderr]     Checking futures-channel v0.3.33
[INFO] [stderr]    Compiling winnow v1.0.4
[INFO] [stderr]     Checking either v1.17.0
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]     Checking lexical-write-integer v1.0.6
[INFO] [stderr]     Checking lexical-parse-integer v1.0.6
[INFO] [stderr]    Compiling toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]     Checking futures-task v0.3.33
[INFO] [stderr]     Checking futures-io v0.3.33
[INFO] [stderr]     Checking unicode-segmentation v1.13.3
[INFO] [stderr]     Checking lexical-parse-float v1.0.6
[INFO] [stderr]    Compiling crossbeam-deque v0.8.7
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking lexical-write-float v1.0.6
[INFO] [stderr]     Checking nu-ansi-term v0.50.1
[INFO] [stderr]     Checking itertools v0.15.0
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]    Compiling litrs v1.0.0
[INFO] [stderr]     Checking arrayvec v0.7.8
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.20
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking lexical-core v1.0.6
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking polycool v0.4.0
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]     Checking http-body-util v0.1.4
[INFO] [stderr]     Checking euclid v0.22.14
[INFO] [stderr]     Checking linebender_resource_handle v0.1.1
[INFO] [stderr]     Checking web-time v1.1.0
[INFO] [stderr]    Compiling document-features v0.2.12
[INFO] [stderr]     Checking simd-adler32 v0.3.10
[INFO] [stderr]     Checking convert_case v0.11.0
[INFO] [stderr]     Checking re_span v0.38.1
[INFO] [stderr]    Compiling fixed v1.31.0
[INFO] [stderr]    Compiling unicode-general-category v1.1.0
[INFO] [stderr]     Checking fearless_simd v0.4.1
[INFO] [stderr]     Checking axum-core v0.5.5
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking regex-automata v0.4.16
[INFO] [stderr]     Checking mio v1.2.2
[INFO] [stderr]     Checking socket2 v0.6.5
[INFO] [stderr]     Checking getrandom v0.4.3
[INFO] [stderr]     Checking guillotiere v0.7.0
[INFO] [stderr]     Checking re_int v0.38.1
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking re_case v0.38.1
[INFO] [stderr]     Checking re_error v0.38.1
[INFO] [stderr]     Checking jiff-core v0.1.0
[INFO] [stderr]     Checking az v1.3.0
[INFO] [stderr]    Compiling ref-cast v1.0.26
[INFO] [stderr]    Compiling toml_parser v1.1.3+spec-1.1.0
[INFO] [stderr]     Checking flate2 v1.1.9
[INFO] [stderr]     Checking rand_core v0.9.5
[INFO] [stderr]    Compiling toml_edit v0.25.13+spec-1.1.0
[INFO] [stderr]     Checking fdeflate v0.3.7
[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/db8f076d2619ce2585b0380dda06e8da25a40da4/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.119/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type lib --emit=dep-info,metadata,link -Z embed-metadata=no -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=197bcc89ecb20593 -C extra-filename=-cf9a9978d9be874a --out-dir /opt/rustwide/target/debug/build/syn/cf9a9978d9be874a/out -L dependency=/opt/rustwide/target/debug/build/proc-macro2/ee684499ef27f3b8/out -L dependency=/opt/rustwide/target/debug/build/unicode-ident/8c98a1a0e58216a9/out --extern proc_macro2=/opt/rustwide/target/debug/build/proc-macro2/ee684499ef27f3b8/out/libproc_macro2-ee684499ef27f3b8.rmeta --extern quote=/opt/rustwide/target/debug/build/quote/97307b84563a2c10/out/libquote-97307b84563a2c10.rmeta --extern unicode_ident=/opt/rustwide/target/debug/build/unicode-ident/8c98a1a0e58216a9/out/libunicode_ident-8c98a1a0e58216a9.rmeta --cap-lints allow --cap-lints=forbid --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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/db8f076d2619ce2585b0380dda06e8da25a40da4/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-3.0.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type lib --emit=dep-info,metadata,link -Z embed-metadata=no -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --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=3679e8608425f9af -C extra-filename=-d301d5e5064dd165 --out-dir /opt/rustwide/target/debug/build/syn/d301d5e5064dd165/out -L dependency=/opt/rustwide/target/debug/build/proc-macro2/ee684499ef27f3b8/out -L dependency=/opt/rustwide/target/debug/build/unicode-ident/8c98a1a0e58216a9/out --extern proc_macro2=/opt/rustwide/target/debug/build/proc-macro2/ee684499ef27f3b8/out/libproc_macro2-ee684499ef27f3b8.rmeta --extern quote=/opt/rustwide/target/debug/build/quote/97307b84563a2c10/out/libquote-97307b84563a2c10.rmeta --extern unicode_ident=/opt/rustwide/target/debug/build/unicode-ident/8c98a1a0e58216a9/out/libunicode_ident-8c98a1a0e58216a9.rmeta --cap-lints allow --cap-lints=forbid --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "2f6be1840b8e3256f8b66895cef9d848e0097ae4683cbc57f20bd235a33946c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f6be1840b8e3256f8b66895cef9d848e0097ae4683cbc57f20bd235a33946c9", kill_on_drop: false }`
[INFO] [stdout] 2f6be1840b8e3256f8b66895cef9d848e0097ae4683cbc57f20bd235a33946c9
