[INFO] cloning repository https://github.com/Freeesia/mastaker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Freeesia/mastaker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeesia%2Fmastaker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeesia%2Fmastaker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c59523bf293bcb49be9d93f44ec589b037501281
[INFO] documenting Freeesia/mastaker against beta-2025-09-21 for beta-rustdoc-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeesia%2Fmastaker" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/Freeesia/mastaker
[INFO] finished tweaking git repo https://github.com/Freeesia/mastaker
[INFO] tweaked toml for git repo https://github.com/Freeesia/mastaker written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Freeesia/mastaker on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Freeesia/mastaker 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44e655a297a6b550fd0a017763b42509da6e210aa83fb25fbaec992bb0388870
[INFO] running `Command { std: "docker" "start" "-a" "44e655a297a6b550fd0a017763b42509da6e210aa83fb25fbaec992bb0388870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44e655a297a6b550fd0a017763b42509da6e210aa83fb25fbaec992bb0388870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44e655a297a6b550fd0a017763b42509da6e210aa83fb25fbaec992bb0388870", kill_on_drop: false }`
[INFO] [stdout] 44e655a297a6b550fd0a017763b42509da6e210aa83fb25fbaec992bb0388870
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e30552711c4b3208aac5300db70f43549e5e5aebbb445b0f71f6244d7f55eb06
[INFO] running `Command { std: "docker" "start" "-a" "e30552711c4b3208aac5300db70f43549e5e5aebbb445b0f71f6244d7f55eb06", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.226
[INFO] [stderr]    Compiling serde v1.0.226
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking bytes v1.7.2
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking allocator-api2 v0.2.18
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling ring v0.17.13
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]    Compiling openssl-sys v0.9.107
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling httparse v1.9.4
[INFO] [stderr]    Compiling zerocopy v0.8.14
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling rust_decimal v1.36.0
[INFO] [stderr]     Checking getrandom v0.3.1
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking regex-automata v0.4.8
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling openssl v0.10.72
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]    Compiling rustls v0.23.13
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking ipnet v2.10.0
[INFO] [stderr]     Checking crc v3.2.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking futures-intrusive v0.5.0
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking atoi v2.0.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.27.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking ordered-float v3.9.2
[INFO] [stderr]     Checking bigdecimal v0.3.1
[INFO] [stderr]     Checking unicode-properties v0.1.2
[INFO] [stderr]     Checking gimli v0.31.0
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking hkdf v0.12.4
[INFO] [stderr]     Checking anstyle-parse v0.2.5
[INFO] [stderr]     Checking stringprep v0.1.5
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking md-5 v0.10.6
[INFO] [stderr]     Checking sync_wrapper v1.0.1
[INFO] [stderr]     Checking object v0.36.4
[INFO] [stderr]     Checking whoami v1.5.2
[INFO] [stderr]     Checking anstyle-query v1.1.1
[INFO] [stderr]     Checking anstyle v1.0.8
[INFO] [stderr]     Checking colorchoice v1.0.2
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]     Checking anstream v0.6.15
[INFO] [stderr]     Checking webpki-roots v0.26.6
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]    Compiling findshlibs v0.10.2
[INFO] [stderr]     Checking iri-string v0.7.8
[INFO] [stderr]     Checking sqlformat v0.2.6
[INFO] [stderr]     Checking clap_builder v4.5.18
[INFO] [stderr]    Compiling sentry-contexts v0.42.0
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking phf v0.11.2
[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-2025-09-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.87/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="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=a09c5f19b7f3be2e -C extra-filename=-d30db9dc9ca01e38 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-31d473c435bae482.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-6c508e29bb318806.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-22b7b0cc8d73ac3c.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" "e30552711c4b3208aac5300db70f43549e5e5aebbb445b0f71f6244d7f55eb06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e30552711c4b3208aac5300db70f43549e5e5aebbb445b0f71f6244d7f55eb06", kill_on_drop: false }`
[INFO] [stdout] e30552711c4b3208aac5300db70f43549e5e5aebbb445b0f71f6244d7f55eb06
