[INFO] crate zkp-stark 0.1.2 is already in cache
[INFO] checking zkp-stark-0.1.2 against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] extracting crate zkp-stark 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate zkp-stark 0.1.2 on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate zkp-stark 0.1.2
[INFO] finished tweaking crates.io crate zkp-stark 0.1.2
[INFO] tweaked toml for crates.io crate zkp-stark 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate zkp-stark 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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] 8d565d44f5fe08523c0b7415138a39b6ac044911146e0290308bed77e5d77490
[INFO] running `"docker" "start" "-a" "8d565d44f5fe08523c0b7415138a39b6ac044911146e0290308bed77e5d77490"`
[INFO] [stderr]    Compiling hex v0.4.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking no-std-compat v0.1.1
[INFO] [stderr]     Checking zkp-error-utils v0.1.0
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking getrandom v0.1.12
[INFO] [stderr]     Checking zkp-logging-allocator v0.1.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking zkp-mmap-vec v0.1.0
[INFO] [stderr]    Compiling zkp-macros-lib v0.1.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.10
[INFO] [stderr]    Compiling zkp-macros-impl v0.1.0
[INFO] [stderr]     Checking zkp-macros-decl v0.1.0
[INFO] [stderr]     Checking zkp-u256 v0.1.1
[INFO] [stderr]     Checking zkp-primefield v0.1.1
[INFO] [stderr]     Checking zkp-elliptic-curve v0.1.0
[INFO] [stderr]     Checking zkp-hash v0.1.0
[INFO] [stderr]     Checking zkp-merkle-tree v0.1.0
[INFO] [stderr]     Checking zkp-elliptic-curve-crypto v0.1.0
[INFO] [stderr]     Checking zkp-stark v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `quickcheck`
[INFO] [stderr]    --> src/polynomial.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 | use quickcheck::{Arbitrary, Gen};
[INFO] [stderr]     |     ^^^^^^^^^^ use of undeclared type or module `quickcheck`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `zkp-stark`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "8d565d44f5fe08523c0b7415138a39b6ac044911146e0290308bed77e5d77490"`
[INFO] running `"docker" "rm" "-f" "8d565d44f5fe08523c0b7415138a39b6ac044911146e0290308bed77e5d77490"`
[INFO] [stdout] 8d565d44f5fe08523c0b7415138a39b6ac044911146e0290308bed77e5d77490