[INFO] cloning repository https://github.com/ryym/rust-actix-realworld-example-app
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryym/rust-actix-realworld-example-app" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryym%2Frust-actix-realworld-example-app", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryym%2Frust-actix-realworld-example-app'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9cdb7dd50842b87de8b46d749d368d019c139b4d
[INFO] documenting ryym/rust-actix-realworld-example-app against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryym%2Frust-actix-realworld-example-app" "/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/ryym/rust-actix-realworld-example-app on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ryym/rust-actix-realworld-example-app
[INFO] finished tweaking git repo https://github.com/ryym/rust-actix-realworld-example-app
[INFO] tweaked toml for git repo https://github.com/ryym/rust-actix-realworld-example-app written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ryym/rust-actix-realworld-example-app already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tower-service v0.1.0
[INFO] [stderr]   Downloaded antidote v1.0.0
[INFO] [stderr]   Downloaded pbkdf2 v0.3.0
[INFO] [stderr]   Downloaded crossbeam-channel v0.2.6
[INFO] [stderr]   Downloaded r2d2 v0.8.2
[INFO] [stderr]   Downloaded regex v1.0.6
[INFO] [stderr]   Downloaded scheduled-thread-pool v0.2.0
[INFO] [stderr]   Downloaded uuid v0.7.1
[INFO] [stderr]   Downloaded trust-dns-proto v0.4.3
[INFO] [stderr]   Downloaded jsonwebtoken v5.0.1
[INFO] [stderr]   Downloaded failure_derive v0.1.3
[INFO] [stderr]   Downloaded flate2 v1.0.4
[INFO] [stderr]   Downloaded actix-net v0.1.1
[INFO] [stderr]   Downloaded miniz_oxide_c_api v0.2.0
[INFO] [stderr]   Downloaded h2 v0.1.13
[INFO] [stderr]   Downloaded hmac v0.7.0
[INFO] [stderr]   Downloaded miniz-sys v0.1.11
[INFO] [stderr]   Downloaded http v0.1.13
[INFO] [stderr]   Downloaded mime v0.3.12
[INFO] [stderr]   Downloaded synstructure v0.10.0
[INFO] [stderr]   Downloaded block-padding v0.1.2
[INFO] [stderr]   Downloaded failure v0.1.3
[INFO] [stderr]   Downloaded trust-dns-proto v0.5.0-alpha.5
[INFO] [stderr]   Downloaded crossbeam-epoch v0.6.0
[INFO] [stderr]   Downloaded generic-array v0.12.0
[INFO] [stderr]   Downloaded trust-dns-resolver v0.10.0-alpha.3
[INFO] [stderr]   Downloaded block-buffer v0.7.0
[INFO] [stderr]   Downloaded actix v0.7.5
[INFO] [stderr]   Downloaded miniz_oxide v0.2.0
[INFO] [stderr]   Downloaded byte-tools v0.3.0
[INFO] [stderr]   Downloaded digest v0.8.0
[INFO] [stderr]   Downloaded diesel v1.3.3
[INFO] [stderr]   Downloaded opaque-debug v0.2.1
[INFO] [stderr]   Downloaded syn v0.15.13
[INFO] [stderr]   Downloaded deunicode v0.4.3
[INFO] [stderr]   Downloaded actix-web v0.7.13
[INFO] [stderr]   Downloaded slug v0.1.4
[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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2e4147a9a40fd804b4ddf36bad5a7b6c1574437c901c849ad69f034f400b11a
[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" "b2e4147a9a40fd804b4ddf36bad5a7b6c1574437c901c849ad69f034f400b11a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2e4147a9a40fd804b4ddf36bad5a7b6c1574437c901c849ad69f034f400b11a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2e4147a9a40fd804b4ddf36bad5a7b6c1574437c901c849ad69f034f400b11a", kill_on_drop: false }`
[INFO] [stdout] b2e4147a9a40fd804b4ddf36bad5a7b6c1574437c901c849ad69f034f400b11a
[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" "+1.54.0" "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] e0b35c347b22a5a011388ba1ecfb7f1ba98c9040001d4a77c5cc7c3979ef25f2
[INFO] running `Command { std: "docker" "start" "-a" "e0b35c347b22a5a011388ba1ecfb7f1ba98c9040001d4a77c5cc7c3979ef25f2", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]     Checking byte-tools v0.3.0
[INFO] [stderr]     Checking opaque-debug v0.2.1
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]    Compiling ring v0.13.2
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling actix-web v0.7.13
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]     Checking resolv-conf v0.6.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]     Checking tokio-timer v0.2.7
[INFO] [stderr]     Checking tokio-current-thread v0.1.3
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking crossbeam-epoch v0.6.0
[INFO] [stderr]     Checking r2d2 v0.8.2
[INFO] [stderr]     Checking uuid v0.7.1
[INFO] [stderr]     Checking block-padding v0.1.2
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]     Checking memchr v2.1.0
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]     Checking dbghelp-sys v0.2.0
[INFO] [stderr]     Checking serde_json v1.0.32
[INFO] [stderr]     Checking lru-cache v0.1.1
[INFO] [stderr]    Compiling syn v0.15.13
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[INFO] [stderr]     Checking block-buffer v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking tokio-threadpool v0.1.7
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking error-chain v0.1.12
[INFO] [stderr]     Checking tokio-io v0.1.9
[INFO] [stderr]     Checking http v0.1.13
[INFO] [stderr]     Checking regex v1.0.6
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]     Checking flate2 v1.0.4
[INFO] [stderr]     Checking serde_urlencoded v0.5.3
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.2
[INFO] [stderr]     Checking tokio-signal v0.2.5
[INFO] [stderr]     Checking trust-dns-proto v0.4.3
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]     Checking h2 v0.1.13
[INFO] [stderr]    Compiling synstructure v0.10.0
[INFO] [stderr]     Checking trust-dns-resolver v0.9.1
[INFO] [stderr]     Checking cookie v0.11.0
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling actix_derive v0.3.0
[INFO] [stderr]    Compiling diesel_derives v1.3.0
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking trust-dns-proto v0.5.0-alpha.5
[INFO] [stderr]     Checking actix v0.7.5
[INFO] [stderr]     Checking dotenv v0.13.0
[INFO] [stderr]     Checking trust-dns-resolver v0.10.0-alpha.3
[INFO] [stderr]     Checking diesel v1.3.3
[INFO] [stderr]     Checking actix-net v0.1.1
[INFO] [stderr]     Checking jsonwebtoken v5.0.1
[INFO] [stderr]  Documenting conduit v0.1.0 (/opt/rustwide/workdir)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "e0b35c347b22a5a011388ba1ecfb7f1ba98c9040001d4a77c5cc7c3979ef25f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0b35c347b22a5a011388ba1ecfb7f1ba98c9040001d4a77c5cc7c3979ef25f2", kill_on_drop: false }`
[INFO] [stdout] e0b35c347b22a5a011388ba1ecfb7f1ba98c9040001d4a77c5cc7c3979ef25f2
