[INFO] crate pumpkindb_engine 0.2.0 is already in cache
[INFO] checking pumpkindb_engine-0.2.0 against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] extracting crate pumpkindb_engine 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate pumpkindb_engine 0.2.0 on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pumpkindb_engine 0.2.0
[INFO] finished tweaking crates.io crate pumpkindb_engine 0.2.0
[INFO] tweaked toml for crates.io crate pumpkindb_engine 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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] 5510cc900ea075f8c995ecfbd8209e0ce587637078b7f403035c7d2f3bf64f6b
[INFO] running `"docker" "start" "-a" "5510cc900ea075f8c995ecfbd8209e0ce587637078b7f403035c7d2f3bf64f6b"`
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking toml v0.3.2
[INFO] [stderr]     Checking config v0.3.1
[INFO] [stderr]     Checking memmap v0.5.2
[INFO] [stderr]     Checking miniz-sys v0.1.12
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]     Checking serde_cbor v0.6.1
[INFO] [stderr]     Checking ordered-float v0.4.0
[INFO] [stderr]     Checking suppositions v0.1.4
[INFO] [stderr]     Checking uuid v0.4.0
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking pumpkinscript v0.2.0
[INFO] [stderr]     Checking snowflake v1.3.0
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]     Checking serde-value v0.4.1
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]    Compiling quickcheck v0.4.1
[INFO] [stderr]     Checking hybrid-clocks v0.3.4
[INFO] [stderr]     Checking serde_yaml v0.6.2
[INFO] [stderr]    Compiling quickcheck_macros v0.4.2
[INFO] [stderr] error[E0463]: can't find crate for `syntax`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck_macros-0.4.2/src/lib.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | extern crate syntax;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `quickcheck_macros`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "5510cc900ea075f8c995ecfbd8209e0ce587637078b7f403035c7d2f3bf64f6b"`
[INFO] running `"docker" "rm" "-f" "5510cc900ea075f8c995ecfbd8209e0ce587637078b7f403035c7d2f3bf64f6b"`
[INFO] [stdout] 5510cc900ea075f8c995ecfbd8209e0ce587637078b7f403035c7d2f3bf64f6b