[INFO] cloning repository https://github.com/hongkongkiwi/research-master-mcp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hongkongkiwi/research-master-mcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhongkongkiwi%2Fresearch-master-mcp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhongkongkiwi%2Fresearch-master-mcp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f07b3a69a8331fdad50690c6eabe1ad093b2c03
[INFO] checking hongkongkiwi/research-master-mcp against try#b28cc4eb48a6415b914e8ad0308be255ff8d73ed for pr-156508
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhongkongkiwi%2Fresearch-master-mcp" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hongkongkiwi/research-master-mcp
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/hongkongkiwi/research-master-mcp
[INFO] tweaked toml for git repo https://github.com/hongkongkiwi/research-master-mcp written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hongkongkiwi/research-master-mcp on toolchain b28cc4eb48a6415b914e8ad0308be255ff8d73ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hongkongkiwi/research-master-mcp 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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bbed82d45241464cebed5a8daf148436ab77ce6863615321d63c983b63d6a05
[INFO] running `Command { std: "docker" "start" "-a" "1bbed82d45241464cebed5a8daf148436ab77ce6863615321d63c983b63d6a05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bbed82d45241464cebed5a8daf148436ab77ce6863615321d63c983b63d6a05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bbed82d45241464cebed5a8daf148436ab77ce6863615321d63c983b63d6a05", kill_on_drop: false }`
[INFO] [stdout] 1bbed82d45241464cebed5a8daf148436ab77ce6863615321d63c983b63d6a05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32edd11eda16b4b20fc2bd54954d660eb50324bcb6acf90da2128d1d6bab21d1
[INFO] running `Command { std: "docker" "start" "-a" "32edd11eda16b4b20fc2bd54954d660eb50324bcb6acf90da2128d1d6bab21d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]    Compiling find-msvc-tools v0.1.8
[INFO] [stderr]     Checking foldhash v0.2.0
[INFO] [stderr]     Checking bytes v1.11.0
[INFO] [stderr]    Compiling zmij v1.0.16
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]     Checking simd-adler32 v0.3.8
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking hashbrown v0.16.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking zlib-rs v0.5.5
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]    Compiling zerocopy v0.8.33
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling camino v1.2.2
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]    Compiling owo-colors v4.2.3
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]     Checking ryu v1.0.22
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking http v1.4.0
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling openssl v0.10.75
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]     Checking gimli v0.32.3
[INFO] [stderr]     Checking ipnet v2.11.0
[INFO] [stderr]     Checking brotli-decompressor v5.0.0
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]    Compiling rustls v0.23.36
[INFO] [stderr]     Checking rustc-demangle v0.1.27
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling time-core v0.1.8
[INFO] [stderr]     Checking flate2 v1.1.8
[INFO] [stderr]    Compiling num-conv v0.2.0
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking winnow v0.7.14
[INFO] [stderr]     Checking deranged v0.5.5
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]    Compiling time-macros v0.2.26
[INFO] [stderr]     Checking brotli v8.0.2
[INFO] [stderr]     Checking compression-core v0.4.31
[INFO] [stderr]     Checking is_ci v1.2.0
[INFO] [stderr]    Compiling cc v1.2.54
[INFO] [stderr]     Checking openssl-probe v0.1.6
[INFO] [stderr]     Checking supports-color v3.0.2
[INFO] [stderr]     Checking textwrap v0.16.2
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]     Checking supports-hyperlinks v3.2.0
[INFO] [stderr]     Checking supports-unicode v3.0.0
[INFO] [stderr]     Checking toml_writer v1.0.6+spec-1.1.0
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]     Checking bytecount v0.6.9
[INFO] [stderr]     Checking bumpalo v3.19.1
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking pbkdf2 v0.12.2
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]     Checking socket2 v0.6.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking zopfli v0.8.3
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]     Checking indexmap v2.13.0
[INFO] [stderr]    Compiling openssl-src v300.5.4+3.5.4
[INFO] [stderr]     Checking time v0.3.46
[INFO] [stderr]     Checking toml_datetime v0.7.5+spec-1.1.0
[INFO] [stderr]     Checking semver v1.0.27
[INFO] [stderr]     Checking serde_spanned v1.0.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking pxfm v0.1.27
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling typeid v1.0.3
[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/b28cc4eb48a6415b914e8ad0308be255ff8d73ed/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.114/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=c2a7d23af989fca0 -C extra-filename=-71443eeb12106779 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-bc33634ba91eea12.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ca0a370f885b1094.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-a0775ff901404d1b.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `brotli` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/b28cc4eb48a6415b914e8ad0308be255ff8d73ed/bin/rustc --crate-name brotli --edition=2015 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/brotli-8.0.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc-stdlib"' --cfg 'feature="default"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc-stdlib", "benchmark", "billing", "default", "disable-timer", "disallow_large_window_size", "external-literal-probability", "ffi-api", "float64", "floating_point_context_mixing", "no-stdlib-ffi-binding", "pass-through-ffi-panics", "seccomp", "sha2", "simd", "std", "validation", "vector_scratch_space"))' -C metadata=b0f2a74105b884d4 -C extra-filename=-496d5b15b5f83271 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern alloc_no_stdlib=/opt/rustwide/target/debug/deps/liballoc_no_stdlib-03123bb854b05c34.rmeta --extern alloc_stdlib=/opt/rustwide/target/debug/deps/liballoc_stdlib-90e33f06fd5154d7.rmeta --extern brotli_decompressor=/opt/rustwide/target/debug/deps/libbrotli_decompressor-64305c152875789b.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "32edd11eda16b4b20fc2bd54954d660eb50324bcb6acf90da2128d1d6bab21d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32edd11eda16b4b20fc2bd54954d660eb50324bcb6acf90da2128d1d6bab21d1", kill_on_drop: false }`
[INFO] [stdout] 32edd11eda16b4b20fc2bd54954d660eb50324bcb6acf90da2128d1d6bab21d1
