[INFO] crate pumpkindb_engine 0.2.0 is already in cache
[INFO] checking pumpkindb_engine-0.2.0 against try#e922e6444795ab795fab1943288aee3d543699b8 for pr-66852
[INFO] extracting crate pumpkindb_engine 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate pumpkindb_engine 0.2.0 on toolchain e922e6444795ab795fab1943288aee3d543699b8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "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-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+e922e6444795ab795fab1943288aee3d543699b8" "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] 1b4de58f99efd9d01c3ad6771835869fdc33a9287116c2bd1074e4289b408356
[INFO] running `"docker" "start" "-a" "1b4de58f99efd9d01c3ad6771835869fdc33a9287116c2bd1074e4289b408356"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking hex-slice v0.1.4
[INFO] [stderr]     Checking supercow v0.1.0
[INFO] [stderr]    Compiling liblmdb-sys v0.2.2
[INFO] [stderr]     Checking toml v0.2.1
[INFO] [stderr]     Checking toml v0.3.2
[INFO] [stderr]     Checking memmap v0.5.2
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]     Checking serde_bytes v0.10.5
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]     Checking ordered-float v0.4.0
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking uuid v0.4.0
[INFO] [stderr]     Checking snowflake v1.3.0
[INFO] [stderr]     Checking quickcheck v0.4.1
[INFO] [stderr]     Checking suppositions v0.1.4
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]     Checking serde-value v0.4.1
[INFO] [stderr]     Checking serde_cbor v0.6.1
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]     Checking config v0.3.1
[INFO] [stderr]     Checking hybrid-clocks v0.3.4
[INFO] [stderr]     Checking log4rs v0.6.3
[INFO] [stderr]     Checking pumpkinscript v0.2.0
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]     Checking lmdb-zero v0.4.4
[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" "1b4de58f99efd9d01c3ad6771835869fdc33a9287116c2bd1074e4289b408356"`
[INFO] running `"docker" "rm" "-f" "1b4de58f99efd9d01c3ad6771835869fdc33a9287116c2bd1074e4289b408356"`
[INFO] [stdout] 1b4de58f99efd9d01c3ad6771835869fdc33a9287116c2bd1074e4289b408356