[INFO] fetching crate ruspk 0.1.4...
[INFO] testing ruspk-0.1.4 against 1.54.0 for beta-1.55-1
[INFO] extracting crate ruspk 0.1.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ruspk 0.1.4 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 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-4/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" "+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] 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] 473e1f1f4e1d84b1df5d62f24103c69669d3a404dacc8b293af8c4bc3afe3a29
[INFO] running `Command { std: "docker" "start" "-a" "473e1f1f4e1d84b1df5d62f24103c69669d3a404dacc8b293af8c4bc3afe3a29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "473e1f1f4e1d84b1df5d62f24103c69669d3a404dacc8b293af8c4bc3afe3a29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "473e1f1f4e1d84b1df5d62f24103c69669d3a404dacc8b293af8c4bc3afe3a29", kill_on_drop: false }`
[INFO] [stdout] 473e1f1f4e1d84b1df5d62f24103c69669d3a404dacc8b293af8c4bc3afe3a29
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 888848bd0a024374f84daa4a077028a37a0eb4e8259abc4dbacafc0c6a2a6e2b
[INFO] running `Command { std: "docker" "start" "-a" "888848bd0a024374f84daa4a077028a37a0eb4e8259abc4dbacafc0c6a2a6e2b", 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 memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling arc-swap v0.4.6
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.6
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling gimli v0.21.0
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling object v0.19.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]    Compiling dtoa v0.4.5
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling ruspk v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling hashbag v0.1.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling futures-task v0.3.5
[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" "888848bd0a024374f84daa4a077028a37a0eb4e8259abc4dbacafc0c6a2a6e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "888848bd0a024374f84daa4a077028a37a0eb4e8259abc4dbacafc0c6a2a6e2b", kill_on_drop: false }`
[INFO] [stdout] 888848bd0a024374f84daa4a077028a37a0eb4e8259abc4dbacafc0c6a2a6e2b
