[INFO] cloning repository https://github.com/mihastele/rust-db-client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mihastele/rust-db-client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmihastele%2Frust-db-client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmihastele%2Frust-db-client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8c71f00843581ffa64e4a0cce9968eb772218b2
[INFO] documenting mihastele/rust-db-client against beta-2025-04-20 for beta-1.87-rustdoc-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmihastele%2Frust-db-client" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mihastele/rust-db-client on toolchain beta-2025-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mihastele/rust-db-client
[INFO] finished tweaking git repo https://github.com/mihastele/rust-db-client
[INFO] tweaked toml for git repo https://github.com/mihastele/rust-db-client written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mihastele/rust-db-client 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" "+beta-2025-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80ed55eed9b48802efa2684857d92c33420026bbfdf2c7e2b9ed116366eab1fa
[INFO] running `Command { std: "docker" "start" "-a" "80ed55eed9b48802efa2684857d92c33420026bbfdf2c7e2b9ed116366eab1fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80ed55eed9b48802efa2684857d92c33420026bbfdf2c7e2b9ed116366eab1fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80ed55eed9b48802efa2684857d92c33420026bbfdf2c7e2b9ed116366eab1fa", kill_on_drop: false }`
[INFO] [stdout] 80ed55eed9b48802efa2684857d92c33420026bbfdf2c7e2b9ed116366eab1fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb9a1d9cc496fbb38b7f37b31f25446473f3de1a5b2fad301272c254e75ff09e
[INFO] running `Command { std: "docker" "start" "-a" "cb9a1d9cc496fbb38b7f37b31f25446473f3de1a5b2fad301272c254e75ff09e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling foldhash v0.1.4
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling winnow v0.7.2
[INFO] [stderr]    Compiling version-compare v0.2.0
[INFO] [stderr]    Compiling once_cell v1.20.3
[INFO] [stderr]    Compiling cc v1.2.14
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]     Checking zerofrom v0.1.5
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling const-oid v0.9.6
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking yoke v0.7.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling openssl v0.10.70
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]     Checking zerovec v0.10.4
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling writeable v0.5.5
[INFO] [stderr]    Compiling litemap v0.7.4
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling native-tls v0.2.13
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling icu_properties_data v1.5.0
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling write16 v1.0.0
[INFO] [stderr]    Compiling utf16_iter v1.0.5
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.0
[INFO] [stderr]    Compiling gio v0.16.7
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling tinystr v0.7.6
[INFO] [stderr]    Compiling icu_collections v1.5.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling icu_locid v1.5.0
[INFO] [stderr]    Compiling openssl-sys v0.9.105
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling base64ct v1.6.0
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling num-bigint-dig v0.8.4
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling icu_provider v1.5.0
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling ryu v1.0.19
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling log v0.4.25
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling bytes v1.10.0
[INFO] [stderr]    Compiling semver v1.0.25
[INFO] [stderr]     Checking icu_locid_transform v1.5.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking smallvec v1.14.0
[INFO] [stderr]    Compiling der v0.7.9
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling bitflags v2.8.0
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]    Compiling tokio v1.43.0
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]    Compiling toml_edit v0.22.24
[INFO] [stderr]    Compiling cfg-expr v0.15.8
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling openssl-probe v0.1.6
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]     Checking icu_properties v1.5.1
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]    Compiling tinyvec v1.8.1
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]    Compiling crc v3.2.1
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling futures-intrusive v0.5.0
[INFO] [stderr]    Compiling event-listener v5.4.0
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]    Compiling spki v0.7.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling serde_json v1.0.138
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling hashlink v0.10.0
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]     Checking icu_normalizer v1.5.0
[INFO] [stderr]    Compiling pkcs8 v0.10.2
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[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/beta-2025-04-20-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="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=62e58e30a2609e13 -C extra-filename=-c3cecb4fa39a161e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-9bbaa887d54ada67.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-38147dabe0ae5ee0.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-8f02949389562b0d.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" "cb9a1d9cc496fbb38b7f37b31f25446473f3de1a5b2fad301272c254e75ff09e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb9a1d9cc496fbb38b7f37b31f25446473f3de1a5b2fad301272c254e75ff09e", kill_on_drop: false }`
[INFO] [stdout] cb9a1d9cc496fbb38b7f37b31f25446473f3de1a5b2fad301272c254e75ff09e