[INFO] cloning repository https://github.com/cuttie1979/research_mcp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cuttie1979/research_mcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcuttie1979%2Fresearch_mcp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcuttie1979%2Fresearch_mcp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c672795494bf6e8f4b93430b585f933edd2a6862
[INFO] checking cuttie1979/research_mcp against 0335fc7ee9e33d92e03d99f3e2fb0fe6119f3cc0 for pr-158915-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcuttie1979%2Fresearch_mcp" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cuttie1979/research_mcp
[INFO] finished tweaking git repo https://github.com/cuttie1979/research_mcp
[INFO] tweaked toml for git repo https://github.com/cuttie1979/research_mcp written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cuttie1979/research_mcp on toolchain 0335fc7ee9e33d92e03d99f3e2fb0fe6119f3cc0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0335fc7ee9e33d92e03d99f3e2fb0fe6119f3cc0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cuttie1979/research_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" "+0335fc7ee9e33d92e03d99f3e2fb0fe6119f3cc0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:49:1
[INFO] [stderr]    |
[INFO] [stderr] 49 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: binary `research_mcp` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-5-tc2/source/target/.../research_mcp
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `research-mcp`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 - name = "research_mcp"
[INFO] [stderr] 48 + name = "research-mcp"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `research-mcp`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:51:19
[INFO] [stderr]    |
[INFO] [stderr] 51 ~ version = "0.8.6"
[INFO] [stderr] 52 + [[bin]]
[INFO] [stderr] 53 + name = "research-mcp"
[INFO] [stderr] 54 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `research_mcp` (manifest) generated 2 warnings
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 642579e86ca5519344f5d435a660296035f96c669669ae358eb207cf4b379626
[INFO] running `Command { std: "docker" "start" "642579e86ca5519344f5d435a660296035f96c669669ae358eb207cf4b379626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "642579e86ca5519344f5d435a660296035f96c669669ae358eb207cf4b379626", 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" "642579e86ca5519344f5d435a660296035f96c669669ae358eb207cf4b379626" "/opt/rustwide/cargo-home/bin/cargo" "+0335fc7ee9e33d92e03d99f3e2fb0fe6119f3cc0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "642579e86ca5519344f5d435a660296035f96c669669ae358eb207cf4b379626", 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" "642579e86ca5519344f5d435a660296035f96c669669ae358eb207cf4b379626" "/opt/rustwide/cargo-home/bin/cargo" "+0335fc7ee9e33d92e03d99f3e2fb0fe6119f3cc0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:49:1
[INFO] [stderr]    |
[INFO] [stderr] 49 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: binary `research_mcp` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../research_mcp
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `research-mcp`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 - name = "research_mcp"
[INFO] [stderr] 48 + name = "research-mcp"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `research-mcp`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:51:19
[INFO] [stderr]    |
[INFO] [stderr] 51 ~ version = "0.8.6"
[INFO] [stderr] 52 + [[bin]]
[INFO] [stderr] 53 + name = "research-mcp"
[INFO] [stderr] 54 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `research_mcp` (manifest) generated 2 warnings
[INFO] [stderr]    Compiling cc v1.4.2
[INFO] [stderr]    Compiling syn v3.0.3
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]     Checking mio v1.2.2
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]    Compiling zerocopy v0.8.56
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling num-conv v0.2.2
[INFO] [stderr]    Compiling time-core v0.1.9
[INFO] [stderr]    Compiling rustls v0.23.43
[INFO] [stderr]    Compiling cookie v0.18.2
[INFO] [stderr]    Compiling ref-cast v1.0.26
[INFO] [stderr]     Checking compression-core v0.4.32
[INFO] [stderr]     Checking ipnet v2.12.1
[INFO] [stderr]     Checking bitflags v2.13.1
[INFO] [stderr]     Checking getrandom v0.4.3
[INFO] [stderr]     Checking http-body-util v0.1.4
[INFO] [stderr]     Checking webpki-roots v1.0.9
[INFO] [stderr]    Compiling rmcp v3.1.2
[INFO] [stderr]     Checking clap_builder v4.6.6
[INFO] [stderr]     Checking regex-automata v0.4.18
[INFO] [stderr]    Compiling time-macros v0.2.32
[INFO] [stderr]     Checking uuid v1.24.0
[INFO] [stderr]     Checking flate2 v1.1.9
[INFO] [stderr]    Compiling pastey v0.2.3
[INFO] [stderr]     Checking quick-xml v0.37.5
[INFO] [stderr]     Checking compression-codecs v0.4.38
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]     Checking time v0.3.55
[INFO] [stderr]     Checking regex v1.13.1
[INFO] [stderr]    Compiling darling_core v0.24.0
[INFO] [stderr]    Compiling serde_derive_internals v0.30.0
[INFO] [stderr]    Compiling displaydoc v0.2.7
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling tokio-macros v2.7.2
[INFO] [stderr]    Compiling futures-macro v0.3.34
[INFO] [stderr]    Compiling ref-cast-impl v1.0.26
[INFO] [stderr]    Compiling thiserror-impl v2.0.20
[INFO] [stderr]    Compiling clap_derive v4.6.4
[INFO] [stderr]     Checking rustls-webpki v0.103.14
[INFO] [stderr]    Compiling schemars_derive v1.2.2
[INFO] [stderr]     Checking tokio v1.53.1
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]     Checking futures-util v0.3.34
[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/0335fc7ee9e33d92e03d99f3e2fb0fe6119f3cc0/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] running `Command { std: "docker" "inspect" "642579e86ca5519344f5d435a660296035f96c669669ae358eb207cf4b379626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "642579e86ca5519344f5d435a660296035f96c669669ae358eb207cf4b379626", kill_on_drop: false }`
[INFO] [stdout] 642579e86ca5519344f5d435a660296035f96c669669ae358eb207cf4b379626
