[INFO] fetching crate zkp-stark 0.1.2...
[INFO] checking zkp-stark-0.1.2 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[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 d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cast v0.2.2
[INFO] [stderr]   Downloaded zkp-u256 v0.1.1
[INFO] [stderr]   Downloaded hex v0.4.0
[INFO] [stderr]   Downloaded zkp-merkle-tree v0.1.0
[INFO] [stderr]   Downloaded zkp-hash v0.1.0
[INFO] [stderr]   Downloaded zkp-error-utils v0.1.0
[INFO] [stderr]   Downloaded zkp-elliptic-curve v0.1.0
[INFO] [stderr]   Downloaded zkp-criterion-utils v0.1.0
[INFO] [stderr]   Downloaded zkp-elliptic-curve-crypto v0.1.0
[INFO] [stderr]   Downloaded zkp-mmap-vec v0.1.0
[INFO] [stderr]   Downloaded zkp-logging-allocator v0.1.0
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.10
[INFO] [stderr]   Downloaded zkp-primefield v0.1.1
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 752aca5aee1bc26912234c2b311adb3986b6b2248fa8e7ec667b0fbd8bd6d8fa
[INFO] running `Command { std: "docker" "start" "-a" "752aca5aee1bc26912234c2b311adb3986b6b2248fa8e7ec667b0fbd8bd6d8fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "752aca5aee1bc26912234c2b311adb3986b6b2248fa8e7ec667b0fbd8bd6d8fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "752aca5aee1bc26912234c2b311adb3986b6b2248fa8e7ec667b0fbd8bd6d8fa", kill_on_drop: false }`
[INFO] [stdout] 752aca5aee1bc26912234c2b311adb3986b6b2248fa8e7ec667b0fbd8bd6d8fa
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5b61d2f55be768bcbc08ab70a68fabc518d07b17a7151f57ccd4e65e60c87cd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f5b61d2f55be768bcbc08ab70a68fabc518d07b17a7151f57ccd4e65e60c87cd", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling hex v0.4.0
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking no-std-compat v0.1.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking zkp-error-utils v0.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking zkp-logging-allocator v0.1.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]     Checking env_logger v0.6.2
[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-hash v0.1.0
[INFO] [stderr]     Checking zkp-elliptic-curve 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] [stdout] error[E0432]: unresolved import `quickcheck`
[INFO] [stdout]    --> src/polynomial.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 | use quickcheck::{Arbitrary, Gen};
[INFO] [stdout]     |     ^^^^^^^^^^ use of undeclared type or module `quickcheck`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zkp-stark`.
[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" "f5b61d2f55be768bcbc08ab70a68fabc518d07b17a7151f57ccd4e65e60c87cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5b61d2f55be768bcbc08ab70a68fabc518d07b17a7151f57ccd4e65e60c87cd", kill_on_drop: false }`
[INFO] [stdout] f5b61d2f55be768bcbc08ab70a68fabc518d07b17a7151f57ccd4e65e60c87cd