[INFO] fetching crate zkutil 0.1.4...
[INFO] checking zkutil-0.1.4 against try#3ae4c050387df9f7fbb379ee90ce8bf05e566870 for pr-70872
[INFO] extracting crate zkutil 0.1.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate zkutil 0.1.4 on toolchain 3ae4c050387df9f7fbb379ee90ce8bf05e566870
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate zkutil 0.1.4
[INFO] finished tweaking crates.io crate zkutil 0.1.4
[INFO] tweaked toml for crates.io crate zkutil 0.1.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate zkutil 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "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] b5732bfcabc06bc40b8c1be85035bd11d899bc6e794197ecfaf84073d7cff08e
[INFO] running `"docker" "start" "-a" "b5732bfcabc06bc40b8c1be85035bd11d899bc6e794197ecfaf84073d7cff08e"`
[INFO] [stderr]     Checking bit-vec v0.6.1
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]    Compiling clap_derive-v3 v3.0.0-beta.1
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling ff_derive_ce v0.7.0
[INFO] [stderr]     Checking clap-v3 v3.0.0-beta.1
[INFO] [stderr]     Checking ff_ce v0.9.0
[INFO] [stderr]     Checking pairing_ce v0.20.0
[INFO] [stderr]     Checking bellman_ce v0.3.3
[INFO] [stderr]     Checking zkutil v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]   --> src/main.rs:37:11
[INFO] [stderr]    |
[INFO] [stderr] 37 |     Prove(ProveOpts),
[INFO] [stderr]    |           ^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]   --> src/main.rs:39:12
[INFO] [stderr]    |
[INFO] [stderr] 39 |     Verify(VerifyOpts),
[INFO] [stderr]    |            ^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]   --> src/main.rs:41:11
[INFO] [stderr]    |
[INFO] [stderr] 41 |     Setup(SetupOpts),
[INFO] [stderr]    |           ^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]   --> src/main.rs:43:22
[INFO] [stderr]    |
[INFO] [stderr] 43 |     GenerateVerifier(GenerateVerifierOpts),
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]   --> src/main.rs:45:16
[INFO] [stderr]    |
[INFO] [stderr] 45 |     ExportKeys(ExportKeysOpts),
[INFO] [stderr]    |                ^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]   --> src/main.rs:37:11
[INFO] [stderr]    |
[INFO] [stderr] 37 |     Prove(ProveOpts),
[INFO] [stderr]    |           ^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]   --> src/main.rs:39:12
[INFO] [stderr]    |
[INFO] [stderr] 39 |     Verify(VerifyOpts),
[INFO] [stderr]    |            ^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]   --> src/main.rs:41:11
[INFO] [stderr]    |
[INFO] [stderr] 41 |     Setup(SetupOpts),
[INFO] [stderr]    |           ^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]   --> src/main.rs:43:22
[INFO] [stderr]    |
[INFO] [stderr] 43 |     GenerateVerifier(GenerateVerifierOpts),
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]   --> src/main.rs:45:16
[INFO] [stderr]    |
[INFO] [stderr] 45 |     ExportKeys(ExportKeysOpts),
[INFO] [stderr]    |                ^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.62s
[INFO] running `"docker" "inspect" "b5732bfcabc06bc40b8c1be85035bd11d899bc6e794197ecfaf84073d7cff08e"`
[INFO] running `"docker" "rm" "-f" "b5732bfcabc06bc40b8c1be85035bd11d899bc6e794197ecfaf84073d7cff08e"`
[INFO] [stdout] b5732bfcabc06bc40b8c1be85035bd11d899bc6e794197ecfaf84073d7cff08e