[INFO] cloning repository https://github.com/willemml/wirc_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/willemml/wirc_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillemml%2Fwirc_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillemml%2Fwirc_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6207426ee8391b5bdc821a693c2829f584e75781
[INFO] documenting willemml/wirc_server against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillemml%2Fwirc_server" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/willemml/wirc_server on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/willemml/wirc_server
[INFO] finished tweaking git repo https://github.com/willemml/wirc_server
[INFO] tweaked toml for git repo https://github.com/willemml/wirc_server written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xactor-derive v0.7.1
[INFO] [stderr]   Downloaded levenshtein_automata v0.2.1
[INFO] [stderr]   Downloaded murmurhash32 v0.2.0
[INFO] [stderr]   Downloaded tantivy-query-grammar v0.14.0
[INFO] [stderr]   Downloaded async-graphql-warp v2.9.10
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.25
[INFO] [stderr]   Downloaded async-graphql-derive v2.9.10
[INFO] [stderr]   Downloaded fail v0.4.0
[INFO] [stderr]   Downloaded async-graphql-parser v2.9.10
[INFO] [stderr]   Downloaded lru v0.6.6
[INFO] [stderr]   Downloaded tantivy-fst v0.3.0
[INFO] [stderr]   Downloaded tantivy v0.14.0
[INFO] [stderr]   Downloaded async-graphql v2.9.10
[INFO] [stderr]   Downloaded async-graphql-value v2.9.10
[INFO] [stderr]   Downloaded multer v2.0.1
[INFO] [stderr]   Downloaded bitpacking v0.8.4
[INFO] [stderr]   Downloaded rust-stemmers v1.2.0
[INFO] [stderr]   Downloaded census v0.4.0
[INFO] [stderr]   Downloaded xactor v0.7.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d52685f17edce12620e4cdd4e281833cdee0ca42b2d56b2d922ac42a0e00a753
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d52685f17edce12620e4cdd4e281833cdee0ca42b2d56b2d922ac42a0e00a753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d52685f17edce12620e4cdd4e281833cdee0ca42b2d56b2d922ac42a0e00a753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d52685f17edce12620e4cdd4e281833cdee0ca42b2d56b2d922ac42a0e00a753", kill_on_drop: false }`
[INFO] [stdout] d52685f17edce12620e4cdd4e281833cdee0ca42b2d56b2d922ac42a0e00a753
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6a76648f2c6b0ef36e66721bd1b45151432dc4f83095d7295390517bcb9b8c3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e6a76648f2c6b0ef36e66721bd1b45151432dc4f83095d7295390517bcb9b8c3", kill_on_drop: false }`
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling crc24 v0.1.6
[INFO] [stderr]     Checking signature v1.3.1
[INFO] [stderr]     Checking levenshtein_automata v0.2.1
[INFO] [stderr]    Compiling multer v2.0.1
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]     Checking murmurhash32 v0.2.0
[INFO] [stderr]     Checking tantivy-fst v0.3.0
[INFO] [stderr]     Checking combine v4.6.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking ahash v0.7.4
[INFO] [stderr]     Checking bitpacking v0.8.4
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking openssl v0.10.35
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling xactor-derive v0.7.1
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking sha-1 v0.9.7
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking ripemd160 v0.9.1
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking des v0.5.0
[INFO] [stderr]     Checking twofish v0.4.0
[INFO] [stderr]     Checking block-modes v0.6.1
[INFO] [stderr]     Checking cast5 v0.8.0
[INFO] [stderr]     Checking blowfish v0.6.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking ed25519 v1.2.0
[INFO] [stderr]     Checking serde v1.0.127
[INFO] [stderr]     Checking futures-util v0.3.16
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr] error: could not compile `darling_core`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name darling_core /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/darling_core-0.10.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="strsim"' --cfg 'feature="suggestions"' -C metadata=3a53910c98aae281 -C extra-filename=-3a53910c98aae281 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern fnv=/opt/rustwide/target/debug/deps/libfnv-059813dc4f8dd4c8.rmeta --extern ident_case=/opt/rustwide/target/debug/deps/libident_case-6271d6d0bfb12270.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-842c01cbc6d4eb4a.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-0dd32b08acf7cc97.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-5bbb5ceef672cdfe.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-1dc982a1e2ce84b6.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e6a76648f2c6b0ef36e66721bd1b45151432dc4f83095d7295390517bcb9b8c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6a76648f2c6b0ef36e66721bd1b45151432dc4f83095d7295390517bcb9b8c3", kill_on_drop: false }`
[INFO] [stdout] e6a76648f2c6b0ef36e66721bd1b45151432dc4f83095d7295390517bcb9b8c3
