[INFO] fetching crate serial-mcp-server 0.1.0...
[INFO] checking serial-mcp-server-0.1.0 against 8d1a76430406c877b35d0b627e7f796dcf0dfeca+rustflags=-Aunfulfilled-lint-expectations for pr-163637
[INFO] extracting crate serial-mcp-server 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate serial-mcp-server 0.1.0
[INFO] finished tweaking crates.io crate serial-mcp-server 0.1.0
[INFO] tweaked toml for crates.io crate serial-mcp-server 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serial-mcp-server 0.1.0 on toolchain 8d1a76430406c877b35d0b627e7f796dcf0dfeca
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d1a76430406c877b35d0b627e7f796dcf0dfeca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serial-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" "+8d1a76430406c877b35d0b627e7f796dcf0dfeca" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serialport v4.7.2
[INFO] [stderr]   Downloaded libudev v0.3.0
[INFO] [stderr]   Downloaded rmcp-macros v0.3.2
[INFO] [stderr]   Downloaded tokio-serial v5.4.5
[INFO] [stderr]   Downloaded unescaper v0.1.6
[INFO] [stderr]   Downloaded mio-serial v5.0.6
[INFO] [stderr]   Downloaded clap_derive v4.5.41
[INFO] [stderr]   Downloaded schemars_derive v1.0.4
[INFO] [stderr]   Downloaded clap v4.5.42
[INFO] [stderr]   Downloaded rmcp v0.3.2
[INFO] [stderr]   Downloaded clap_builder v4.5.42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6e53fdab784657a417540b2635aa935f931f8ef0704a2b0b2eb45006c0d749bc
[INFO] running `Command { std: "docker" "start" "6e53fdab784657a417540b2635aa935f931f8ef0704a2b0b2eb45006c0d749bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e53fdab784657a417540b2635aa935f931f8ef0704a2b0b2eb45006c0d749bc", 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" "6e53fdab784657a417540b2635aa935f931f8ef0704a2b0b2eb45006c0d749bc" "/opt/rustwide/cargo-home/bin/cargo" "+8d1a76430406c877b35d0b627e7f796dcf0dfeca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e53fdab784657a417540b2635aa935f931f8ef0704a2b0b2eb45006c0d749bc", 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 -Aunfulfilled-lint-expectations" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6e53fdab784657a417540b2635aa935f931f8ef0704a2b0b2eb45006c0d749bc" "/opt/rustwide/cargo-home/bin/cargo" "+8d1a76430406c877b35d0b627e7f796dcf0dfeca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking slab v0.4.10
[INFO] [stderr]     Checking anstyle v1.0.11
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking lock_api v0.4.13
[INFO] [stderr]    Compiling darling_core v0.21.0
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling ref-cast v1.0.24
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling ref-cast-impl v1.0.24
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]     Checking anstyle-query v1.1.3
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]     Checking iana-time-zone v0.1.63
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking anstream v0.6.19
[INFO] [stderr]     Checking clap_lex v0.7.5
[INFO] [stderr]     Checking winnow v0.7.12
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling clap_derive v4.5.41
[INFO] [stderr]     Checking clap_builder v4.5.42
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]     Checking predicates-core v1.0.9
[INFO] [stderr]    Compiling mockall_derive v0.13.1
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling schemars_derive v1.0.4
[INFO] [stderr] error: could not compile `regex-syntax` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/8d1a76430406c877b35d0b627e7f796dcf0dfeca/bin/rustc --crate-name regex_syntax --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-syntax-0.6.29/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment"))' -C metadata=40a1d19eed1c0013 -C extra-filename=-949d58b2fa3b2dfb --out-dir /opt/rustwide/target/debug/build/regex-syntax/949d58b2fa3b2dfb/out --cap-lints allow --cap-lints=forbid -Aunfulfilled-lint-expectations --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" "6e53fdab784657a417540b2635aa935f931f8ef0704a2b0b2eb45006c0d749bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e53fdab784657a417540b2635aa935f931f8ef0704a2b0b2eb45006c0d749bc", kill_on_drop: false }`
[INFO] [stdout] 6e53fdab784657a417540b2635aa935f931f8ef0704a2b0b2eb45006c0d749bc
