[INFO] fetching crate gmail-mcp-server 0.1.1...
[INFO] checking gmail-mcp-server-0.1.1 against 1.95.0-beta.7 for beta-1.95-4
[INFO] extracting crate gmail-mcp-server 0.1.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate gmail-mcp-server 0.1.1
[INFO] finished tweaking crates.io crate gmail-mcp-server 0.1.1
[INFO] tweaked toml for crates.io crate gmail-mcp-server 0.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gmail-mcp-server 0.1.1 on toolchain 1.95.0-beta.7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0-beta.7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate gmail-mcp-server 0.1.1 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" "+1.95.0-beta.7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `6.0.0+20240624` for dependency `google-gmail1` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1.95.0-beta.7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2d7741329a20e1a2ec84fb9f9af27f8509f1266dbbe477eb6cdcebd3e3e8b8b
[INFO] running `Command { std: "docker" "start" "-a" "d2d7741329a20e1a2ec84fb9f9af27f8509f1266dbbe477eb6cdcebd3e3e8b8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2d7741329a20e1a2ec84fb9f9af27f8509f1266dbbe477eb6cdcebd3e3e8b8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2d7741329a20e1a2ec84fb9f9af27f8509f1266dbbe477eb6cdcebd3e3e8b8b", kill_on_drop: false }`
[INFO] [stdout] d2d7741329a20e1a2ec84fb9f9af27f8509f1266dbbe477eb6cdcebd3e3e8b8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.95.0-beta.7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4adf088c6b0a904015b07755481bf1dfe158c0e2dae649a68b4ab0ad30da378d
[INFO] running `Command { std: "docker" "start" "-a" "4adf088c6b0a904015b07755481bf1dfe158c0e2dae649a68b4ab0ad30da378d", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `6.0.0+20240624` for dependency `google-gmail1` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling icu_properties_data v2.0.0
[INFO] [stderr]     Checking hashbrown v0.15.3
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling cc v1.2.22
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]     Checking icu_properties v2.0.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling rustls v0.23.27
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]     Checking rustls-pemfile v2.2.0
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking tokio v1.45.0
[INFO] [stderr]     Checking local-waker v0.1.4
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]     Checking miniz_oxide v0.8.8
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.4
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]    Compiling bytestring v1.4.0
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling markup5ever v0.11.0
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]     Checking actix-utils v3.0.1
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking rustls-native-certs v0.8.1
[INFO] [stderr]    Compiling cookie v0.16.2
[INFO] [stderr]     Checking actix-service v2.0.3
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling regex-lite v0.1.6
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking flate2 v1.1.1
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling openssl-sys v0.9.108
[INFO] [stderr]    Compiling zstd-sys v2.0.15+zstd.1.5.7
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking deranged v0.4.0
[INFO] [stderr]    Compiling openssl v0.10.72
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking string_cache v0.8.9
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling schemars_derive v0.8.22
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking time v0.3.41
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]    Compiling actix-router v0.5.3
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking brotli v8.0.1
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]     Checking local-channel v0.1.5
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling serde_with_macros v3.12.0
[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/1.95.0-beta.7-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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="quote"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=71df97415ae39b48 -C extra-filename=-41a464c08796bedb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-69590df136bf7863.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e25e27a337ef430a.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-958b805d9ab3f4fe.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4adf088c6b0a904015b07755481bf1dfe158c0e2dae649a68b4ab0ad30da378d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4adf088c6b0a904015b07755481bf1dfe158c0e2dae649a68b4ab0ad30da378d", kill_on_drop: false }`
[INFO] [stdout] 4adf088c6b0a904015b07755481bf1dfe158c0e2dae649a68b4ab0ad30da378d