[INFO] fetching crate zkp-u256 0.1.1...
[INFO] checking zkp-u256-0.1.1 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate zkp-u256 0.1.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate zkp-u256 0.1.1 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded no-std-compat v0.1.1
[INFO] [stderr]   Downloaded zkp-macros-lib v0.1.0
[INFO] [stderr]   Downloaded quickcheck_macros v0.8.0
[INFO] [stderr]   Downloaded zkp-macros-impl v0.1.0
[INFO] [stderr]   Downloaded zkp-macros-decl v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e477058e4c350a6aef8ee19a7e2855ec65a5b05e06886a9de9b0646c11822ab
[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" "4e477058e4c350a6aef8ee19a7e2855ec65a5b05e06886a9de9b0646c11822ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e477058e4c350a6aef8ee19a7e2855ec65a5b05e06886a9de9b0646c11822ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e477058e4c350a6aef8ee19a7e2855ec65a5b05e06886a9de9b0646c11822ab", kill_on_drop: false }`
[INFO] [stdout] 4e477058e4c350a6aef8ee19a7e2855ec65a5b05e06886a9de9b0646c11822ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5ea4bd6a8c5a4f7aac62ea28898521f128d3ce60d9202ee77dd2ba4386865d6
[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" "f5ea4bd6a8c5a4f7aac62ea28898521f128d3ce60d9202ee77dd2ba4386865d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking no-std-compat v0.1.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling zkp-macros-lib v0.1.0
[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] [stdout] error[E0432]: unresolved import `quickcheck`
[INFO] [stdout]    --> src/u256.rs:853:5
[INFO] [stdout]     |
[INFO] [stdout] 853 | use quickcheck::{Arbitrary, Gen};
[INFO] [stdout]     |     ^^^^^^^^^^ use of undeclared crate or module `quickcheck`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `quickcheck_macros`
[INFO] [stdout]    --> src/division.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 176 |     use quickcheck_macros::quickcheck;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ use of undeclared crate or module `quickcheck_macros`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `quickcheck_macros`
[INFO] [stdout]    --> src/gcd.rs:481:9
[INFO] [stdout]     |
[INFO] [stdout] 481 |     use quickcheck_macros::quickcheck;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ use of undeclared crate or module `quickcheck_macros`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `quickcheck_macros`
[INFO] [stdout]    --> src/u256.rs:876:9
[INFO] [stdout]     |
[INFO] [stdout] 876 |     use quickcheck_macros::quickcheck;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ use of undeclared crate or module `quickcheck_macros`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `quickcheck`
[INFO] [stdout]    --> src/division.rs:256:7
[INFO] [stdout]     |
[INFO] [stdout] 256 |     #[quickcheck]
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `quickcheck`
[INFO] [stdout]    --> src/gcd.rs:532:7
[INFO] [stdout]     |
[INFO] [stdout] 532 |     #[quickcheck]
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `quickcheck`
[INFO] [stdout]    --> src/gcd.rs:586:7
[INFO] [stdout]     |
[INFO] [stdout] 586 |     #[quickcheck]
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `quickcheck`
[INFO] [stdout]    --> src/gcd.rs:713:7
[INFO] [stdout]     |
[INFO] [stdout] 713 |     #[quickcheck]
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `quickcheck`
[INFO] [stdout]    --> src/gcd.rs:721:7
[INFO] [stdout]     |
[INFO] [stdout] 721 |     #[quickcheck]
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `quickcheck`
[INFO] [stdout]    --> src/u256.rs:913:7
[INFO] [stdout]     |
[INFO] [stdout] 913 |     #[quickcheck]
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `quickcheck`
[INFO] [stdout]     --> src/u256.rs:1140:7
[INFO] [stdout]      |
[INFO] [stdout] 1140 |     #[quickcheck]
[INFO] [stdout]      |       ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `quickcheck`
[INFO] [stdout]     --> src/u256.rs:1149:7
[INFO] [stdout]      |
[INFO] [stdout] 1149 |     #[quickcheck]
[INFO] [stdout]      |       ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `quickcheck`
[INFO] [stdout]     --> src/u256.rs:1156:7
[INFO] [stdout]      |
[INFO] [stdout] 1156 |     #[quickcheck]
[INFO] [stdout]      |       ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `quickcheck`
[INFO] [stdout]     --> src/u256.rs:1164:7
[INFO] [stdout]      |
[INFO] [stdout] 1164 |     #[quickcheck]
[INFO] [stdout]      |       ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `quickcheck`
[INFO] [stdout]     --> src/u256.rs:1172:7
[INFO] [stdout]      |
[INFO] [stdout] 1172 |     #[quickcheck]
[INFO] [stdout]      |       ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `quickcheck`
[INFO] [stdout]     --> src/u256.rs:1180:7
[INFO] [stdout]      |
[INFO] [stdout] 1180 |     #[quickcheck]
[INFO] [stdout]      |       ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 16 previous errors
[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-u256`
[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" "f5ea4bd6a8c5a4f7aac62ea28898521f128d3ce60d9202ee77dd2ba4386865d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5ea4bd6a8c5a4f7aac62ea28898521f128d3ce60d9202ee77dd2ba4386865d6", kill_on_drop: false }`
[INFO] [stdout] f5ea4bd6a8c5a4f7aac62ea28898521f128d3ce60d9202ee77dd2ba4386865d6