[INFO] fetching crate ruspk 0.1.4...
[INFO] testing ruspk-0.1.4 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate ruspk 0.1.4 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate ruspk 0.1.4 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-10/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-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mysqlclient-sys v0.2.4
[INFO] [stderr]   Downloaded dotenv v0.9.0
[INFO] [stderr]   Downloaded async-trait v0.1.33
[INFO] [stderr]   Downloaded evmap-derive v0.1.0
[INFO] [stderr]   Downloaded pin-project v0.4.19
[INFO] [stderr]   Downloaded diesel v1.4.4
[INFO] [stderr]   Downloaded r2d2 v0.8.8
[INFO] [stderr]   Downloaded evmap v10.0.2
[INFO] [stderr]   Downloaded libsqlite3-sys v0.9.1
[INFO] [stderr]   Downloaded scheduled-thread-pool v0.2.4
[INFO] [stderr]   Downloaded pin-project-internal v0.4.19
[INFO] [stderr]   Downloaded hashbag v0.1.2
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54d155f9bbdee7de39782427b86488fdf25b73efc921f8487710cddb3dd3c0b3
[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" "54d155f9bbdee7de39782427b86488fdf25b73efc921f8487710cddb3dd3c0b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54d155f9bbdee7de39782427b86488fdf25b73efc921f8487710cddb3dd3c0b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54d155f9bbdee7de39782427b86488fdf25b73efc921f8487710cddb3dd3c0b3", kill_on_drop: false }`
[INFO] [stdout] 54d155f9bbdee7de39782427b86488fdf25b73efc921f8487710cddb3dd3c0b3
[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" "RUSTFLAGS=--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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9a38d66f2c1dfe40431b687e7273e81ea9dcf35249b0b09dcaa2c324a822dac
[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" "b9a38d66f2c1dfe40431b687e7273e81ea9dcf35249b0b09dcaa2c324a822dac", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling arc-swap v0.4.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.6
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling hashbag v0.1.2
[INFO] [stderr]    Compiling ruspk v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bytestring v0.1.5
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.4
[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] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ruspk`
[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" "b9a38d66f2c1dfe40431b687e7273e81ea9dcf35249b0b09dcaa2c324a822dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9a38d66f2c1dfe40431b687e7273e81ea9dcf35249b0b09dcaa2c324a822dac", kill_on_drop: false }`
[INFO] [stdout] b9a38d66f2c1dfe40431b687e7273e81ea9dcf35249b0b09dcaa2c324a822dac