[INFO] fetching crate json-mcp-server 0.1.0... [INFO] testing json-mcp-server-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237 [INFO] extracting crate json-mcp-server 0.1.0 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate json-mcp-server 0.1.0 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate json-mcp-server 0.1.0 [INFO] tweaked toml for crates.io crate json-mcp-server 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate json-mcp-server 0.1.0 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 json-mcp-server 0.1.0 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0b2ef5ce6e19ce191ae50259532e5f29fc41ece29bb306d408c857b38322df31 [INFO] running `Command { std: "docker" "start" "-a" "0b2ef5ce6e19ce191ae50259532e5f29fc41ece29bb306d408c857b38322df31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0b2ef5ce6e19ce191ae50259532e5f29fc41ece29bb306d408c857b38322df31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b2ef5ce6e19ce191ae50259532e5f29fc41ece29bb306d408c857b38322df31", kill_on_drop: false }` [INFO] [stdout] 0b2ef5ce6e19ce191ae50259532e5f29fc41ece29bb306d408c857b38322df31 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 99be8f4f3b210f033c494a5463760d1d00ab999b763e3c3c4f0f2d02a73d7b23 [INFO] running `Command { std: "docker" "start" "-a" "99be8f4f3b210f033c494a5463760d1d00ab999b763e3c3c4f0f2d02a73d7b23", kill_on_drop: false }` [INFO] [stderr] Compiling ucd-trie v0.1.7 [INFO] [stderr] Compiling smallvec v1.15.1 [INFO] [stderr] Compiling hashbrown v0.15.4 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling thiserror-impl v2.0.12 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling tracing-attributes v0.1.30 [INFO] [stderr] Compiling anyhow v1.0.98 [INFO] [stderr] Compiling overload v0.1.1 [INFO] [stderr] Compiling tracing-log v0.2.0 [INFO] [stderr] Compiling clap_derive v4.5.40 [INFO] [stderr] Compiling sharded-slab v0.1.7 [INFO] [stderr] Compiling nu-ansi-term v0.46.0 [INFO] [stderr] Compiling clap_builder v4.5.40 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling parking_lot_core v0.9.11 [INFO] [stderr] Compiling mio v1.0.4 [INFO] [stderr] Compiling thread_local v1.1.9 [INFO] [stderr] Compiling parking_lot v0.12.4 [INFO] [stderr] Compiling uuid v1.17.0 [INFO] [stderr] error: could not compile `tracing-attributes` (lib) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name tracing_attributes --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-attributes-0.1.30/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 --warn=unexpected_cfgs --check-cfg 'cfg(flaky_tests)' --check-cfg 'cfg(tracing_unstable)' --check-cfg 'cfg(unsound_local_offset)' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("async-await"))' -C metadata=dc4de6ec4901176b -C extra-filename=-918e9de8a8b42769 --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.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-bff949ffe258c67d.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-5d066e4c3a3bdd8f.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" "99be8f4f3b210f033c494a5463760d1d00ab999b763e3c3c4f0f2d02a73d7b23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99be8f4f3b210f033c494a5463760d1d00ab999b763e3c3c4f0f2d02a73d7b23", kill_on_drop: false }` [INFO] [stdout] 99be8f4f3b210f033c494a5463760d1d00ab999b763e3c3c4f0f2d02a73d7b23