[INFO] cloning repository https://github.com/stoksc/actix-bb8-service
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stoksc/actix-bb8-service" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstoksc%2Factix-bb8-service", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstoksc%2Factix-bb8-service'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0df30437d8723a87df1750c816da3b75f66e10f6
[INFO] documenting stoksc/actix-bb8-service 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%2Fstoksc%2Factix-bb8-service" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stoksc/actix-bb8-service 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/stoksc/actix-bb8-service
[INFO] finished tweaking git repo https://github.com/stoksc/actix-bb8-service
[INFO] tweaked toml for git repo https://github.com/stoksc/actix-bb8-service written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/stoksc/actix-bb8-service already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/stoksc/bb8`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jemallocator v0.3.2
[INFO] [stderr]   Downloaded postgres-protocol v0.5.0-alpha.1
[INFO] [stderr]   Downloaded http v0.1.20
[INFO] [stderr]   Downloaded tokio-postgres v0.5.0-alpha.1
[INFO] [stderr]   Downloaded postgres-types v0.1.0-alpha.1
[INFO] [stderr]   Downloaded syn v1.0.9
[INFO] [stderr]   Downloaded actix-codec v0.2.0-alpha.1
[INFO] [stderr]   Downloaded actix-web-codegen v0.2.0-alpha.1
[INFO] [stderr]   Downloaded actix-server v0.8.0-alpha.1
[INFO] [stderr]   Downloaded actix-http v0.3.0-alpha.1
[INFO] [stderr]   Downloaded actix-server-config v0.3.0-alpha.1
[INFO] [stderr]   Downloaded actix-connect v1.0.0-alpha.1
[INFO] [stderr]   Downloaded actix-testing v0.3.0-alpha.1
[INFO] [stderr]   Downloaded trust-dns-resolver v0.18.0-alpha.1
[INFO] [stderr]   Downloaded awc v0.3.0-alpha.1
[INFO] [stderr]   Downloaded trust-dns-proto v0.18.0-alpha.1
[INFO] [stderr]   Downloaded actix-service v1.0.0-alpha.1
[INFO] [stderr]   Downloaded actix-utils v0.5.0-alpha1
[INFO] [stderr]   Downloaded actix-web v2.0.0-alpha.1
[INFO] [stderr]   Downloaded actix-rt v1.0.0-alpha.1
[INFO] [stderr]   Downloaded actix-threadpool v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] bd3f42afcfd5054bcea54b80ae23d65396a6dbde588553edcd833740d2aafc71
[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" "bd3f42afcfd5054bcea54b80ae23d65396a6dbde588553edcd833740d2aafc71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd3f42afcfd5054bcea54b80ae23d65396a6dbde588553edcd833740d2aafc71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd3f42afcfd5054bcea54b80ae23d65396a6dbde588553edcd833740d2aafc71", kill_on_drop: false }`
[INFO] [stdout] bd3f42afcfd5054bcea54b80ae23d65396a6dbde588553edcd833740d2aafc71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 40187847af3c2cb5fc7a3c4634c9c18d6b211a11617b789eb39570ae0b898753
[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" "40187847af3c2cb5fc7a3c4634c9c18d6b211a11617b789eb39570ae0b898753", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.9
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking hashbrown v0.3.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking actix-service v0.4.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking tracing-core v0.1.7
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking crossbeam-utils v0.7.0
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking parking_lot_core v0.5.0
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking tokio-executor v0.1.9
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.20
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking parking_lot v0.8.0
[INFO] [stderr]     Checking tokio-timer v0.2.12
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]     Checking postgres-protocol v0.5.0-alpha.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]     Checking tokio-reactor v0.1.11
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking postgres-types v0.1.0-alpha.1
[INFO] [stderr]     Checking actix-codec v0.1.2
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking actix-utils v0.4.7
[INFO] [stderr]     Checking actix-server-config v0.1.2
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]    Compiling actix_derive v0.4.0
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.5
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling tokio-macros v0.2.0-alpha.6
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling async-trait v0.1.19
[INFO] [stderr]    Compiling enum-as-inner v0.3.0
[INFO] [stderr]    Compiling actix-web-codegen v0.2.0-alpha.1
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking trust-dns-proto v0.7.4
[INFO] [stderr]    Compiling futures-select-macro-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-join-macro-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]    Compiling const-random-macro v0.1.6
[INFO] [stderr]     Checking tracing v0.1.10
[INFO] [stderr]     Checking const-random v0.1.6
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]     Checking hashbrown v0.6.3
[INFO] [stderr]     Checking tokio-io v0.2.0-alpha.6
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking trust-dns-resolver v0.11.1
[INFO] [stderr]     Checking actix-threadpool v0.1.2
[INFO] [stderr]     Checking tokio-codec v0.2.0-alpha.6
[INFO] [stderr]     Checking actix-rt v0.2.6
[INFO] [stderr]     Checking actix-connect v0.2.5
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking tokio-sync v0.2.0-alpha.6
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking serde v1.0.103
[INFO] [stderr]     Checking tokio-executor v0.2.0-alpha.6
[INFO] [stderr]     Checking h2 v0.2.0-alpha.3
[INFO] [stderr]     Checking actix-threadpool v0.2.0
[INFO] [stderr]     Checking actix-service v1.0.0-alpha.1
[INFO] [stderr]     Checking actix-codec v0.2.0-alpha.1
[INFO] [stderr]     Checking tokio-net v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-timer v0.3.0-alpha.6
[INFO] [stderr]     Checking tokio-fs v0.2.0-alpha.6
[INFO] [stderr]     Checking actix-utils v0.5.0-alpha1
[INFO] [stderr]     Checking tokio v0.2.0-alpha.6
[INFO] [stderr]     Checking actix-server-config v0.3.0-alpha.1
[INFO] [stderr]     Checking trust-dns-proto v0.18.0-alpha.1
[INFO] [stderr]     Checking actix-rt v1.0.0-alpha.1
[INFO] [stderr]     Checking tokio-postgres v0.5.0-alpha.1
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.42
[INFO] [stderr]     Checking actix-router v0.1.5
[INFO] [stderr]     Checking actix-server v0.8.0-alpha.1
[INFO] [stderr]     Checking bb8 v0.4.0-pre (https://github.com/stoksc/bb8?branch=actix-rt#130b76c6)
[INFO] [stderr]     Checking actix-http v0.2.11
[INFO] [stderr]     Checking actix-testing v0.3.0-alpha.1
[INFO] [stderr]     Checking bb8-postgres v0.4.0-pre (https://github.com/stoksc/bb8?branch=actix-rt#130b76c6)
[INFO] [stderr]     Checking trust-dns-resolver v0.18.0-alpha.1
[INFO] [stderr]     Checking actix-connect v1.0.0-alpha.1
[INFO] [stderr]     Checking actix-http v0.3.0-alpha.1
[INFO] [stderr]     Checking actix v0.8.3
[INFO] [stderr]     Checking awc v0.3.0-alpha.1
[INFO] [stderr]     Checking actix-web v2.0.0-alpha.1
[INFO] [stderr]     Checking jemallocator v0.3.2
[INFO] [stderr]  Documenting actix-bb8-try v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_closure)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: the `!` type is experimental
[INFO] [stdout]   --> src/main.rs:13:27
[INFO] [stdout]    |
[INFO] [stdout] 13 | ) -> Result<HttpResponse, !> {
[INFO] [stdout]    |                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #35121 <https://github.com/rust-lang/rust/issues/35121> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `actix-bb8-try`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name actix_bb8_try src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern actix=/opt/rustwide/target/debug/deps/libactix-313547b3fcd5db22.rmeta --extern actix_rt=/opt/rustwide/target/debug/deps/libactix_rt-33c2dd3303532f13.rmeta --extern actix_web=/opt/rustwide/target/debug/deps/libactix_web-c623efe4ab51a0b2.rmeta --extern bb8=/opt/rustwide/target/debug/deps/libbb8-c64c178481ffc5c2.rmeta --extern bb8_postgres=/opt/rustwide/target/debug/deps/libbb8_postgres-1251b1adafa6f559.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-622602d1cc47dc65.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-03fa2e18d0fcffa0.rmeta --extern jemallocator=/opt/rustwide/target/debug/deps/libjemallocator-aacd0809e5fb401e.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-96f24177ff34aaf5.rmeta --extern tokio_executor=/opt/rustwide/target/debug/deps/libtokio_executor-e25ee8c8c388d8fa.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "40187847af3c2cb5fc7a3c4634c9c18d6b211a11617b789eb39570ae0b898753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40187847af3c2cb5fc7a3c4634c9c18d6b211a11617b789eb39570ae0b898753", kill_on_drop: false }`
[INFO] [stdout] 40187847af3c2cb5fc7a3c4634c9c18d6b211a11617b789eb39570ae0b898753
