[INFO] cloning repository https://github.com/kaki-studios/kakimail
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kaki-studios/kakimail" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaki-studios%2Fkakimail", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaki-studios%2Fkakimail'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a97150e5ee13243a2742e6987a03cfb90dd8d74
[INFO] documenting kaki-studios/kakimail against beta-2025-10-28 for beta-1.92-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaki-studios%2Fkakimail" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kaki-studios/kakimail
[INFO] finished tweaking git repo https://github.com/kaki-studios/kakimail
[INFO] tweaked toml for git repo https://github.com/kaki-studios/kakimail written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kaki-studios/kakimail on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kaki-studios/kakimail 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-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f135036a54d37522adccbc2e363c49ccaca2299f3bc97d2729a47cb7455c4dc
[INFO] running `Command { std: "docker" "start" "-a" "7f135036a54d37522adccbc2e363c49ccaca2299f3bc97d2729a47cb7455c4dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f135036a54d37522adccbc2e363c49ccaca2299f3bc97d2729a47cb7455c4dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f135036a54d37522adccbc2e363c49ccaca2299f3bc97d2729a47cb7455c4dc", kill_on_drop: false }`
[INFO] [stdout] 7f135036a54d37522adccbc2e363c49ccaca2299f3bc97d2729a47cb7455c4dc
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffd235938c58e789883cbcb818221fe0cd8e612c4778c2415354830e215f456c
[INFO] running `Command { std: "docker" "start" "-a" "ffd235938c58e789883cbcb818221fe0cd8e612c4778c2415354830e215f456c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking smallvec v1.12.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking zerocopy v0.7.34
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling uncased v0.9.10
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling rustls v0.21.10
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling prettyplease v0.2.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling dunce v1.0.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling libloading v0.8.3
[INFO] [stderr]    Compiling clang-sys v1.7.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]    Compiling bindgen v0.66.1
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]     Checking rustls-native-certs v0.6.3
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]     Checking webpki-roots v0.25.3
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_json v1.0.112
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]    Compiling aws-lc-rs v1.6.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking http-range-header v0.3.1
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]    Compiling phf_codegen v0.11.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling ring v0.17.7
[INFO] [stderr]    Compiling openssl-sys v0.9.101
[INFO] [stderr]    Compiling aws-lc-sys v0.13.3
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking rustls-pki-types v1.4.0
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]     Checking mirai-annotations v1.12.0
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]    Compiling sqlite3-parser v0.12.0
[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/beta-2025-10-28-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.48/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"' --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", "quote", "test", "visit", "visit-mut"))' -C metadata=554ed0dbf023ec46 -C extra-filename=-60d13c7ab4f155b6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-b87a49cbb8e8f428.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-f3fd771f7e2c495a.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-772f13ecc3fc189a.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ffd235938c58e789883cbcb818221fe0cd8e612c4778c2415354830e215f456c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffd235938c58e789883cbcb818221fe0cd8e612c4778c2415354830e215f456c", kill_on_drop: false }`
[INFO] [stdout] ffd235938c58e789883cbcb818221fe0cd8e612c4778c2415354830e215f456c
