[INFO] fetching crate ruspk 0.1.4...
[INFO] documenting ruspk-0.1.4 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate ruspk 0.1.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ruspk 0.1.4 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ruspk 0.1.4
[INFO] finished tweaking crates.io crate ruspk 0.1.4
[INFO] tweaked toml for crates.io crate ruspk 0.1.4 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate ruspk 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--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 evmap-derive v0.1.0
[INFO] [stderr]   Downloaded diesel v1.4.4
[INFO] [stderr]   Downloaded hashbag v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06dbae578b4b9944acdcf58cce86ae392f2cbacc5a7483ed9eb237593865a86d
[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" "06dbae578b4b9944acdcf58cce86ae392f2cbacc5a7483ed9eb237593865a86d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06dbae578b4b9944acdcf58cce86ae392f2cbacc5a7483ed9eb237593865a86d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06dbae578b4b9944acdcf58cce86ae392f2cbacc5a7483ed9eb237593865a86d", kill_on_drop: false }`
[INFO] [stdout] 06dbae578b4b9944acdcf58cce86ae392f2cbacc5a7483ed9eb237593865a86d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e73958cfdbe3c968f27716aa11c1dd1d0f5b9f47ac29fbd83dcee72bc642eb2f
[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" "e73958cfdbe3c968f27716aa11c1dd1d0f5b9f47ac29fbd83dcee72bc642eb2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]     Checking pin-project-lite v0.1.6
[INFO] [stderr]    Compiling ruspk v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hashbag v0.1.2
[INFO] [stderr]     Checking bytestring v0.1.5
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.4
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking dotenv v0.9.0
[INFO] [stdout] error: You need to enable one database backend. To build with defaults do: cargo build --features mysql
[INFO] [stdout]   --> build.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     compile_error!("You need to enable one database backend. To build with defaults do: cargo build --features mysql");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ruspk`.
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e73958cfdbe3c968f27716aa11c1dd1d0f5b9f47ac29fbd83dcee72bc642eb2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e73958cfdbe3c968f27716aa11c1dd1d0f5b9f47ac29fbd83dcee72bc642eb2f", kill_on_drop: false }`
[INFO] [stdout] e73958cfdbe3c968f27716aa11c1dd1d0f5b9f47ac29fbd83dcee72bc642eb2f