[INFO] crate zkp-u256 0.1.1 is already in cache
[INFO] checking zkp-u256-0.1.1 against try#e922e6444795ab795fab1943288aee3d543699b8 for pr-66852
[INFO] extracting crate zkp-u256 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate zkp-u256 0.1.1 on toolchain e922e6444795ab795fab1943288aee3d543699b8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate zkp-u256 0.1.1
[INFO] finished tweaking crates.io crate zkp-u256 0.1.1
[INFO] tweaked toml for crates.io crate zkp-u256 0.1.1 written to /workspace/builds/worker-4/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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] f8d48fc9d144c1726237145e7d4ad2bd93b86814ea7a8bffadb8b69ede4e0a82
[INFO] running `"docker" "start" "-a" "f8d48fc9d144c1726237145e7d4ad2bd93b86814ea7a8bffadb8b69ede4e0a82"`
[INFO] [stderr]    Compiling hex v0.4.0
[INFO] [stderr]     Checking no-std-compat v0.1.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling zkp-macros-lib v0.1.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[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 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `convert::TryFrom`
[INFO] [stderr]   --> src/division.rs:2:12
[INFO] [stderr]    |
[INFO] [stderr] 2  | use core::{convert::TryFrom, u64};
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     unused,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_imports)]` implied by `#[warn(unused)]`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `quickcheck`
[INFO] [stderr]    --> src/u256.rs:853:5
[INFO] [stderr]     |
[INFO] [stderr] 853 | use quickcheck::{Arbitrary, Gen};
[INFO] [stderr]     |     ^^^^^^^^^^ use of undeclared type or module `quickcheck`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `quickcheck_macros`
[INFO] [stderr]    --> src/division.rs:176:9
[INFO] [stderr]     |
[INFO] [stderr] 176 |     use quickcheck_macros::quickcheck;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^ use of undeclared type or module `quickcheck_macros`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `quickcheck_macros`
[INFO] [stderr]    --> src/gcd.rs:481:9
[INFO] [stderr]     |
[INFO] [stderr] 481 |     use quickcheck_macros::quickcheck;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^ use of undeclared type or module `quickcheck_macros`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `quickcheck_macros`
[INFO] [stderr]    --> src/u256.rs:876:9
[INFO] [stderr]     |
[INFO] [stderr] 876 |     use quickcheck_macros::quickcheck;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^ use of undeclared type or module `quickcheck_macros`
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `quickcheck`
[INFO] [stderr]    --> src/division.rs:256:7
[INFO] [stderr]     |
[INFO] [stderr] 256 |     #[quickcheck]
[INFO] [stderr]     |       ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `quickcheck`
[INFO] [stderr]    --> src/gcd.rs:532:7
[INFO] [stderr]     |
[INFO] [stderr] 532 |     #[quickcheck]
[INFO] [stderr]     |       ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `quickcheck`
[INFO] [stderr]    --> src/gcd.rs:586:7
[INFO] [stderr]     |
[INFO] [stderr] 586 |     #[quickcheck]
[INFO] [stderr]     |       ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `quickcheck`
[INFO] [stderr]    --> src/gcd.rs:713:7
[INFO] [stderr]     |
[INFO] [stderr] 713 |     #[quickcheck]
[INFO] [stderr]     |       ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `quickcheck`
[INFO] [stderr]    --> src/gcd.rs:721:7
[INFO] [stderr]     |
[INFO] [stderr] 721 |     #[quickcheck]
[INFO] [stderr]     |       ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `quickcheck`
[INFO] [stderr]    --> src/u256.rs:913:7
[INFO] [stderr]     |
[INFO] [stderr] 913 |     #[quickcheck]
[INFO] [stderr]     |       ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `quickcheck`
[INFO] [stderr]     --> src/u256.rs:1140:7
[INFO] [stderr]      |
[INFO] [stderr] 1140 |     #[quickcheck]
[INFO] [stderr]      |       ^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `quickcheck`
[INFO] [stderr]     --> src/u256.rs:1149:7
[INFO] [stderr]      |
[INFO] [stderr] 1149 |     #[quickcheck]
[INFO] [stderr]      |       ^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `quickcheck`
[INFO] [stderr]     --> src/u256.rs:1156:7
[INFO] [stderr]      |
[INFO] [stderr] 1156 |     #[quickcheck]
[INFO] [stderr]      |       ^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `quickcheck`
[INFO] [stderr]     --> src/u256.rs:1164:7
[INFO] [stderr]      |
[INFO] [stderr] 1164 |     #[quickcheck]
[INFO] [stderr]      |       ^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `quickcheck`
[INFO] [stderr]     --> src/u256.rs:1172:7
[INFO] [stderr]      |
[INFO] [stderr] 1172 |     #[quickcheck]
[INFO] [stderr]      |       ^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `quickcheck`
[INFO] [stderr]     --> src/u256.rs:1180:7
[INFO] [stderr]      |
[INFO] [stderr] 1180 |     #[quickcheck]
[INFO] [stderr]      |       ^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 16 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `zkp-u256`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f8d48fc9d144c1726237145e7d4ad2bd93b86814ea7a8bffadb8b69ede4e0a82"`
[INFO] running `"docker" "rm" "-f" "f8d48fc9d144c1726237145e7d4ad2bd93b86814ea7a8bffadb8b69ede4e0a82"`
[INFO] [stdout] f8d48fc9d144c1726237145e7d4ad2bd93b86814ea7a8bffadb8b69ede4e0a82