[INFO] fetching crate ruspk 0.1.4...
[INFO] checking ruspk-0.1.4 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate ruspk 0.1.4 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate ruspk 0.1.4 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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-13/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" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8c3ed2d3a5917b9e5153d19200c5c3ed2f51d88f9ab72217f4543361f90c966
[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" "e8c3ed2d3a5917b9e5153d19200c5c3ed2f51d88f9ab72217f4543361f90c966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8c3ed2d3a5917b9e5153d19200c5c3ed2f51d88f9ab72217f4543361f90c966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8c3ed2d3a5917b9e5153d19200c5c3ed2f51d88f9ab72217f4543361f90c966", kill_on_drop: false }`
[INFO] [stdout] e8c3ed2d3a5917b9e5153d19200c5c3ed2f51d88f9ab72217f4543361f90c966
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e6ae5a229e160678776144237b43d82f2616fce782d015228695ff094ed7f6e
[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" "8e6ae5a229e160678776144237b43d82f2616fce782d015228695ff094ed7f6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking arc-swap v0.4.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking pin-project-lite v0.1.6
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling ruspk v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hashbag v0.1.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[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" "8e6ae5a229e160678776144237b43d82f2616fce782d015228695ff094ed7f6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e6ae5a229e160678776144237b43d82f2616fce782d015228695ff094ed7f6e", kill_on_drop: false }`
[INFO] [stdout] 8e6ae5a229e160678776144237b43d82f2616fce782d015228695ff094ed7f6e