[INFO] fetching crate ruspk 0.1.1...
[INFO] checking ruspk-0.1.1 against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331
[INFO] extracting crate ruspk 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ruspk 0.1.1 on toolchain 914adf04af1c1a984707f778da3d04590c03d144
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ruspk 0.1.1
[INFO] finished tweaking crates.io crate ruspk 0.1.1
[INFO] tweaked toml for crates.io crate ruspk 0.1.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate ruspk 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2681a79c2d9f0fe0bb15db61e49af2c4ee9d18cfc29635abaa032b4213362ecd
[INFO] running `"docker" "start" "-a" "2681a79c2d9f0fe0bb15db61e49af2c4ee9d18cfc29635abaa032b4213362ecd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking arc-swap v0.4.6
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking pin-project-lite v0.1.5
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling cc v1.0.53
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling ruspk v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr] error: You need to enable one database backend. To build with defaults do: cargo build --features mysql
[INFO] [stderr]   --> build.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     compile_error!("You need to enable one database backend. To build with defaults do: cargo build --features mysql");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[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 `"docker" "inspect" "2681a79c2d9f0fe0bb15db61e49af2c4ee9d18cfc29635abaa032b4213362ecd"`
[INFO] running `"docker" "rm" "-f" "2681a79c2d9f0fe0bb15db61e49af2c4ee9d18cfc29635abaa032b4213362ecd"`
[INFO] [stdout] 2681a79c2d9f0fe0bb15db61e49af2c4ee9d18cfc29635abaa032b4213362ecd