[INFO] fetching crate hanzo-mcp-server 1.1.21...
[INFO] testing hanzo-mcp-server-1.1.21 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate hanzo-mcp-server 1.1.21 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate hanzo-mcp-server 1.1.21
[INFO] finished tweaking crates.io crate hanzo-mcp-server 1.1.21
[INFO] tweaked toml for crates.io crate hanzo-mcp-server 1.1.21 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hanzo-mcp-server 1.1.21 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate hanzo-mcp-server 1.1.21 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" "+1.100.0-beta.1" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d0ba5fb0877ea84be89dc58bc2d6fcdbd34dd18a805f2e347174cc969dd672c7
[INFO] running `Command { std: "docker" "start" "d0ba5fb0877ea84be89dc58bc2d6fcdbd34dd18a805f2e347174cc969dd672c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0ba5fb0877ea84be89dc58bc2d6fcdbd34dd18a805f2e347174cc969dd672c7", 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" "d0ba5fb0877ea84be89dc58bc2d6fcdbd34dd18a805f2e347174cc969dd672c7" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0ba5fb0877ea84be89dc58bc2d6fcdbd34dd18a805f2e347174cc969dd672c7", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d0ba5fb0877ea84be89dc58bc2d6fcdbd34dd18a805f2e347174cc969dd672c7" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling find-msvc-tools v0.1.5
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling bytes v1.11.0
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling litemap v0.8.1
[INFO] [stderr]    Compiling writeable v0.6.2
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling icu_properties_data v2.1.2
[INFO] [stderr]    Compiling indexmap v2.12.1
[INFO] [stderr]    Compiling rustls-pki-types v1.13.1
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling cc v1.2.49
[INFO] [stderr]    Compiling tracing-core v0.1.35
[INFO] [stderr]    Compiling tree-sitter-language v0.1.6
[INFO] [stderr]    Compiling rustls v0.23.35
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling x11 v2.21.0
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling webpki-roots v1.0.4
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling iri-string v0.7.9
[INFO] [stderr]    Compiling streaming-iterator v0.1.9
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling bstr v1.12.1
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling winnow v0.7.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling signal-hook-registry v1.4.7
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling tree-sitter v0.20.10
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling tree-sitter v0.26.2
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling tree-sitter-cpp v0.20.2
[INFO] [stderr]    Compiling tree-sitter-javascript v0.20.0
[INFO] [stderr]    Compiling tree-sitter-rust v0.20.3
[INFO] [stderr]    Compiling tree-sitter-go v0.20.0
[INFO] [stderr]    Compiling tree-sitter-python v0.20.3
[INFO] [stderr]    Compiling tree-sitter-c v0.20.4
[INFO] [stderr]    Compiling tree-sitter-typescript v0.20.3
[INFO] [stderr]    Compiling tree-sitter-java v0.20.2
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling clap_lex v0.7.6
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling clap_builder v4.5.53
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling jiff v0.2.16
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr] error: could not compile `clap_builder` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.100.0-beta.1-x86_64-unknown-linux-gnu/bin/rustc --crate-name clap_builder --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap_builder-4.5.53/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no --cfg 'feature="color"' --cfg 'feature="error-context"' --cfg 'feature="help"' --cfg 'feature="std"' --cfg 'feature="suggestions"' --cfg 'feature="usage"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("cargo", "color", "debug", "default", "deprecated", "env", "error-context", "help", "std", "string", "suggestions", "unicode", "unstable-doc", "unstable-ext", "unstable-styles", "unstable-v5", "usage", "wrap_help"))' -C metadata=b2dc82f8b33e4763 -C extra-filename=-0d5f09b380e39878 --out-dir /opt/rustwide/target/release/build/clap_builder/0d5f09b380e39878/out -C strip=debuginfo -L dependency=/opt/rustwide/target/release/build/anstyle-parse/2a754419c04d28ad/out -L dependency=/opt/rustwide/target/release/build/anstyle-query/b45e303465962535/out -L dependency=/opt/rustwide/target/release/build/anstyle/8f069d2d725bf663/out -L dependency=/opt/rustwide/target/release/build/colorchoice/1862e5f8c10b89de/out -L dependency=/opt/rustwide/target/release/build/is_terminal_polyfill/d4b89543c4de780e/out -L dependency=/opt/rustwide/target/release/build/utf8parse/fd39fdebeec71100/out --extern anstream=/opt/rustwide/target/release/build/anstream/c914bf1de34742d6/out/libanstream-c914bf1de34742d6.rmeta --extern anstyle=/opt/rustwide/target/release/build/anstyle/8f069d2d725bf663/out/libanstyle-8f069d2d725bf663.rmeta --extern clap_lex=/opt/rustwide/target/release/build/clap_lex/9fcf0bc87aa3b61b/out/libclap_lex-9fcf0bc87aa3b61b.rmeta --extern strsim=/opt/rustwide/target/release/build/strsim/59d8e27f2067b49a/out/libstrsim-59d8e27f2067b49a.rmeta --cap-lints allow --cap-lints=warn --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/1.100.0-beta.1-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.111/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debug-assertions=off --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=472b744fe27af4dc -C extra-filename=-532b992ccae7d02a --out-dir /opt/rustwide/target/release/build/syn/532b992ccae7d02a/out -C strip=debuginfo -L dependency=/opt/rustwide/target/release/build/proc-macro2/65328d7212518a11/out -L dependency=/opt/rustwide/target/release/build/unicode-ident/c79326c9fe5e1db9/out --extern proc_macro2=/opt/rustwide/target/release/build/proc-macro2/65328d7212518a11/out/libproc_macro2-65328d7212518a11.rmeta --extern quote=/opt/rustwide/target/release/build/quote/c053c075a4c1a1d3/out/libquote-c053c075a4c1a1d3.rmeta --extern unicode_ident=/opt/rustwide/target/release/build/unicode-ident/c79326c9fe5e1db9/out/libunicode_ident-c79326c9fe5e1db9.rmeta --cap-lints allow --cap-lints=warn --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "d0ba5fb0877ea84be89dc58bc2d6fcdbd34dd18a805f2e347174cc969dd672c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0ba5fb0877ea84be89dc58bc2d6fcdbd34dd18a805f2e347174cc969dd672c7", kill_on_drop: false }`
[INFO] [stdout] d0ba5fb0877ea84be89dc58bc2d6fcdbd34dd18a805f2e347174cc969dd672c7
