[INFO] cloning repository https://github.com/arzg/unnamed-language
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arzg/unnamed-language" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farzg%2Funnamed-language", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farzg%2Funnamed-language'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9af94d609fdffa1f25a8f4792abdd002a3270261
[INFO] documenting arzg/unnamed-language against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farzg%2Funnamed-language" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arzg/unnamed-language on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arzg/unnamed-language
[INFO] finished tweaking git repo https://github.com/arzg/unnamed-language
[INFO] tweaked toml for git repo https://github.com/arzg/unnamed-language written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/arzg/unnamed-language already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wast v39.0.0
[INFO] [stderr]   Downloaded logos-derive v0.12.0
[INFO] [stderr]   Downloaded libmimalloc-sys v0.1.23
[INFO] [stderr]   Downloaded cranelift-native v0.81.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.81.0
[INFO] [stderr]   Downloaded mimalloc v0.1.27
[INFO] [stderr]   Downloaded wat v1.0.41
[INFO] [stderr]   Downloaded drop_bomb v0.1.5
[INFO] [stderr]   Downloaded logos v0.12.0
[INFO] [stderr]   Downloaded leb128 v0.2.5
[INFO] [stderr]   Downloaded smawk v0.3.1
[INFO] [stderr]   Downloaded expect-test v1.1.0
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.81.0
[INFO] [stderr]   Downloaded wasmparser v0.82.0
[INFO] [stderr]   Downloaded unicode-linebreak v0.1.2
[INFO] [stderr]   Downloaded wasmtime-types v0.34.0
[INFO] [stderr]   Downloaded wasmtime-cranelift v0.34.0
[INFO] [stderr]   Downloaded cranelift-wasm v0.81.0
[INFO] [stderr]   Downloaded wasmtime-environ v0.34.0
[INFO] [stderr]   Downloaded wasmtime-runtime v0.34.0
[INFO] [stderr]   Downloaded wasmtime-cache v0.34.0
[INFO] [stderr]   Downloaded cranelift-codegen v0.81.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.0.40
[INFO] [stderr]   Downloaded eventree v0.6.0
[INFO] [stderr]   Downloaded wasmtime-fiber v0.34.0
[INFO] [stderr]   Downloaded wasmtime-jit v0.34.0
[INFO] [stderr]   Downloaded wasmtime v0.34.0
[INFO] [stderr]   Downloaded dissimilar v1.0.2
[INFO] [stderr]   Downloaded io-lifetimes v0.5.1
[INFO] [stderr]   Downloaded lasso v0.6.0
[INFO] [stderr]   Downloaded lsp-types v0.91.1
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.81.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.81.0
[INFO] [stderr]   Downloaded cranelift-entity v0.81.0
[INFO] [stderr]   Downloaded wasm-encoder v0.9.0
[INFO] [stderr]   Downloaded rustix v0.33.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2151fc8c17180749dd03bbfe384eebb908fa48a5ee91180c7015d51c74ab317e
[INFO] running `Command { std: "docker" "start" "-a" "2151fc8c17180749dd03bbfe384eebb908fa48a5ee91180c7015d51c74ab317e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2151fc8c17180749dd03bbfe384eebb908fa48a5ee91180c7015d51c74ab317e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2151fc8c17180749dd03bbfe384eebb908fa48a5ee91180c7015d51c74ab317e", kill_on_drop: false }`
[INFO] [stdout] 2151fc8c17180749dd03bbfe384eebb908fa48a5ee91180c7015d51c74ab317e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 88689a2fea618bb02892b6239236cf632849024cc006c0d2f962de1f41064d5c
[INFO] running `Command { std: "docker" "start" "-a" "88689a2fea618bb02892b6239236cf632849024cc006c0d2f962de1f41064d5c", kill_on_drop: false }`
[INFO] [stderr]     Checking text-size v1.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling target-lexicon v0.12.3
[INFO] [stderr]     Checking arena v0.0.0 (/opt/rustwide/workdir/crates/arena)
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.81.0
[INFO] [stderr]    Compiling io-lifetimes v0.5.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling rustix v0.33.1
[INFO] [stderr]     Checking wasmparser v0.82.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]     Checking linux-raw-sys v0.0.40
[INFO] [stderr]     Checking drop_bomb v0.1.5
[INFO] [stderr]     Checking more-asserts v0.2.2
[INFO] [stderr]    Compiling zstd-safe v4.1.4+zstd.1.5.2
[INFO] [stderr]    Compiling cpp_demangle v0.3.5
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling wasmtime-cache v0.34.0
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling wasmtime v0.34.0
[INFO] [stderr]     Checking nanorand v0.6.1
[INFO] [stderr]     Checking owo-colors v3.4.0
[INFO] [stderr]  Documenting arena v0.0.0 (/opt/rustwide/workdir/crates/arena)
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]  Documenting utils v0.0.0 (/opt/rustwide/workdir/crates/utils)
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.81.0
[INFO] [stderr]     Checking eventree v0.6.0
[INFO] [stderr]     Checking line_index v0.0.0 (/opt/rustwide/workdir/crates/line_index)
[INFO] [stderr]  Documenting line_index v0.0.0 (/opt/rustwide/workdir/crates/line_index)
[INFO] [stderr]     Checking wasm-encoder v0.9.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking gen v0.0.0 (/opt/rustwide/workdir/crates/gen)
[INFO] [stderr]  Documenting gen v0.0.0 (/opt/rustwide/workdir/crates/gen)
[INFO] [stderr]     Checking crc32fast v1.3.2
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking wast v39.0.0
[INFO] [stderr]     Checking regalloc v0.0.34
[INFO] [stderr]     Checking syntax v0.0.0 (/opt/rustwide/workdir/crates/syntax)
[INFO] [stderr]  Documenting syntax v0.0.0 (/opt/rustwide/workdir/crates/syntax)
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]     Checking ast v0.0.0 (/opt/rustwide/workdir/crates/ast)
[INFO] [stderr]     Checking token v0.0.0 (/opt/rustwide/workdir/crates/token)
[INFO] [stderr]  Documenting token v0.0.0 (/opt/rustwide/workdir/crates/token)
[INFO] [stderr]  Documenting ast v0.0.0 (/opt/rustwide/workdir/crates/ast)
[INFO] [stderr]     Checking parser v0.0.0 (/opt/rustwide/workdir/crates/parser)
[INFO] [stderr]  Documenting parser v0.0.0 (/opt/rustwide/workdir/crates/parser)
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.25/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 -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=3da0f9b74b112533 -C extra-filename=-3da0f9b74b112533 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "88689a2fea618bb02892b6239236cf632849024cc006c0d2f962de1f41064d5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88689a2fea618bb02892b6239236cf632849024cc006c0d2f962de1f41064d5c", kill_on_drop: false }`
[INFO] [stdout] 88689a2fea618bb02892b6239236cf632849024cc006c0d2f962de1f41064d5c