[INFO] cloning repository https://github.com/Tresonic/ktracker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tresonic/ktracker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTresonic%2Fktracker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTresonic%2Fktracker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 515a88bb82e772faafe50400d4c171434e38049e
[INFO] documenting Tresonic/ktracker against 1.86.0 for beta-1.87-rustdoc-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTresonic%2Fktracker" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tresonic/ktracker on toolchain 1.86.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Tresonic/ktracker
[INFO] finished tweaking git repo https://github.com/Tresonic/ktracker
[INFO] tweaked toml for git repo https://github.com/Tresonic/ktracker written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Tresonic/ktracker 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" "+1.86.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded once_cell v1.13.1
[INFO] [stderr]   Downloaded tracing-core v0.1.29
[INFO] [stderr]   Downloaded alloc-stdlib v0.2.1
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[INFO] [stderr]   Downloaded atoi v1.0.0
[INFO] [stderr]   Downloaded sqlx-rt v0.6.1
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[INFO] [stderr]   Downloaded alloc-no-stdlib v2.0.3
[INFO] [stderr]   Downloaded async-trait v0.1.57
[INFO] [stderr]   Downloaded matchit v0.5.0
[INFO] [stderr]   Downloaded jsonwebtoken v8.1.1
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[INFO] [stderr]   Downloaded tracing-subscriber v0.3.15
[INFO] [stderr]   Downloaded h2 v0.3.14
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[INFO] [stderr]   Downloaded syn v1.0.99
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[INFO] [stderr]   Downloaded unicode-segmentation v1.9.0
[INFO] [stderr]   Downloaded tokio-util v0.7.3
[INFO] [stderr]   Downloaded mio v0.8.4
[INFO] [stderr]   Downloaded tower-http v0.3.4
[INFO] [stderr]   Downloaded bumpalo v3.11.0
[INFO] [stderr]   Downloaded tracing v0.1.36
[INFO] [stderr]   Downloaded tokio v1.20.1
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[INFO] [stderr]   Downloaded headers v0.3.7
[INFO] [stderr]   Downloaded flume v0.10.14
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[INFO] [stderr]   Downloaded smallvec v1.9.0
[INFO] [stderr]   Downloaded ryu v1.0.11
[INFO] [stderr]   Downloaded serde_derive v1.0.144
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[INFO] [stderr]   Downloaded paste v1.0.8
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[INFO] [stderr]   Downloaded thiserror-impl v1.0.32
[INFO] [stderr]   Downloaded miniz_oxide v0.5.3
[INFO] [stderr]   Downloaded iri-string v0.4.1
[INFO] [stderr]   Downloaded bytes v1.2.1
[INFO] [stderr]   Downloaded lock_api v0.4.7
[INFO] [stderr]   Downloaded parking_lot_core v0.9.3
[INFO] [stderr]   Downloaded socket2 v0.4.4
[INFO] [stderr]   Downloaded getrandom v0.2.7
[INFO] [stderr]   Downloaded uuid v1.1.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.43
[INFO] [stderr]   Downloaded unicode-ident v1.0.3
[INFO] [stderr]   Downloaded axum-extra v0.3.7
[INFO] [stderr]   Downloaded httparse v1.7.1
[INFO] [stderr]   Downloaded axum-server v0.4.2
[INFO] [stderr]   Downloaded bcrypt v0.13.0
[INFO] [stderr]   Downloaded pem v1.1.0
[INFO] [stderr]   Downloaded num_threads v0.1.6
[INFO] [stderr]   Downloaded time-macros v0.2.4
[INFO] [stderr]   Downloaded crc-catalog v2.1.0
[INFO] [stderr]   Downloaded crc v3.0.0
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.6
[INFO] [stderr]   Downloaded dotenvy v0.15.2
[INFO] [stderr]   Downloaded futures-executor v0.3.23
[INFO] [stderr]   Downloaded hashlink v0.8.0
[INFO] [stderr]   Downloaded pkg-config v0.3.25
[INFO] [stderr]   Downloaded rustls-pemfile v1.0.1
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[INFO] [stderr]   Downloaded block-buffer v0.10.2
[INFO] [stderr]   Downloaded digest v0.10.3
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[INFO] [stderr]   Downloaded sqlformat v0.1.8
[INFO] [stderr]   Downloaded stringprep v0.1.2
[INFO] [stderr]   Downloaded thiserror v1.0.32
[INFO] [stderr]   Downloaded tokio-stream v0.1.9
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.82
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.82
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.82
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.82
[INFO] [stderr]   Downloaded sqlx-macros v0.6.1
[INFO] [stderr]   Downloaded itoa v1.0.3
[INFO] [stderr]   Downloaded futures-task v0.3.23
[INFO] [stderr]   Downloaded tracing-attributes v0.1.22
[INFO] [stderr]   Downloaded axum-core v0.2.7
[INFO] [stderr]   Downloaded blowfish v0.9.1
[INFO] [stderr]   Downloaded sha-1 v0.10.0
[INFO] [stderr]   Downloaded simple_asn1 v0.6.2
[INFO] [stderr]   Downloaded futures-core v0.3.23
[INFO] [stderr]   Downloaded num_cpus v1.13.1
[INFO] [stderr]   Downloaded tokio-macros v1.8.0
[INFO] [stderr]   Downloaded libsqlite3-sys v0.24.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4ba3d27f8ab27463957d3202afa75dd514a6bdd1d6071cee4cee6eec363459b
[INFO] running `Command { std: "docker" "start" "-a" "f4ba3d27f8ab27463957d3202afa75dd514a6bdd1d6071cee4cee6eec363459b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4ba3d27f8ab27463957d3202afa75dd514a6bdd1d6071cee4cee6eec363459b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4ba3d27f8ab27463957d3202afa75dd514a6bdd1d6071cee4cee6eec363459b", kill_on_drop: false }`
[INFO] [stdout] f4ba3d27f8ab27463957d3202afa75dd514a6bdd1d6071cee4cee6eec363459b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+1.86.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 006704b2735f547919503054d5773f83055bb6a8ae45350c4bef74e61b959cd8
[INFO] running `Command { std: "docker" "start" "-a" "006704b2735f547919503054d5773f83055bb6a8ae45350c4bef74e61b959cd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking once_cell v1.13.1
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-core v0.3.23
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling futures-task v0.3.23
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling futures-util v0.3.23
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling tokio v1.20.1
[INFO] [stderr]     Checking futures-sink v0.3.23
[INFO] [stderr]    Compiling rustls v0.20.6
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling futures-channel v0.3.23
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling libsqlite3-sys v0.24.2
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.3
[INFO] [stderr]    Compiling crossbeam-queue v0.3.6
[INFO] [stderr]     Checking cpufeatures v0.2.4
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.21
[INFO] [stderr]     Checking alloc-stdlib v0.2.1
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking brotli-decompressor v2.3.2
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling async-trait v0.1.57
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling spin v0.9.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling crc-catalog v2.1.0
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]    Compiling paste v1.0.8
[INFO] [stderr]     Checking brotli v3.3.4
[INFO] [stderr]    Compiling crc v3.0.0
[INFO] [stderr]    Compiling rustls-pemfile v1.0.1
[INFO] [stderr]    Compiling atoi v1.0.0
[INFO] [stderr]    Compiling sha2 v0.10.2
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling futures-intrusive v0.4.0
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]    Compiling hashlink v0.8.0
[INFO] [stderr]    Compiling dotenvy v0.15.2
[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/1.86.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.99/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"' --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=0f941b0b31c992ab -C extra-filename=-daf5babd918ba506 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-72873a02aaf54475.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-380674932fc686c1.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-a9efcfcf94f65ce1.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" "006704b2735f547919503054d5773f83055bb6a8ae45350c4bef74e61b959cd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "006704b2735f547919503054d5773f83055bb6a8ae45350c4bef74e61b959cd8", kill_on_drop: false }`
[INFO] [stdout] 006704b2735f547919503054d5773f83055bb6a8ae45350c4bef74e61b959cd8