[INFO] fetching crate zcash_client_backend 0.19.1...
[INFO] building zcash_client_backend-0.19.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate zcash_client_backend 0.19.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate zcash_client_backend 0.19.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate zcash_client_backend 0.19.1
[INFO] tweaked toml for crates.io crate zcash_client_backend 0.19.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zcash_client_backend 0.19.1 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate zcash_client_backend 0.19.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92c5f49a5202dd72833d45fefba3c922dc2b9a14f0cd732231e69aa9d66bbd21
[INFO] running `Command { std: "docker" "start" "-a" "92c5f49a5202dd72833d45fefba3c922dc2b9a14f0cd732231e69aa9d66bbd21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92c5f49a5202dd72833d45fefba3c922dc2b9a14f0cd732231e69aa9d66bbd21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92c5f49a5202dd72833d45fefba3c922dc2b9a14f0cd732231e69aa9d66bbd21", kill_on_drop: false }`
[INFO] [stdout] 92c5f49a5202dd72833d45fefba3c922dc2b9a14f0cd732231e69aa9d66bbd21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5f682457b33219c08c81171cae50b4253147f3bca975fd23fe6cda21b85a331
[INFO] running `Command { std: "docker" "start" "-a" "e5f682457b33219c08c81171cae50b4253147f3bca975fd23fe6cda21b85a331", kill_on_drop: false }`
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[INFO] [stderr]    Compiling secrecy v0.8.0
[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]    Compiling shardtree v0.6.1
[INFO] [stderr]    Compiling zcash_transparent v0.3.0
[INFO] [stderr]    Compiling prost-build v0.13.4
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.12
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[INFO] [stderr]    Compiling zip321 v0.4.0
[INFO] [stderr]    Compiling halo2_gadgets v0.3.1
[INFO] [stderr]    Compiling zcash_client_backend v0.19.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling reddsa v0.5.1
[INFO] [stderr]    Compiling redjubjub v0.8.0
[INFO] [stderr]    Compiling sapling-crypto v0.5.0
[INFO] [stderr]    Compiling zcash_keys v0.9.0
[INFO] [stderr]    Compiling orchard v0.11.0
[INFO] [stderr]    Compiling zcash_primitives v0.23.1
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/proposal.rs:432:48
[INFO] [stdout]     |
[INFO] [stdout] 432 |             .try_fold(Zatoshis::ZERO, |acc, a| (acc + a))
[INFO] [stdout]     |                                                ^       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 432 -             .try_fold(Zatoshis::ZERO, |acc, a| (acc + a))
[INFO] [stdout] 432 +             .try_fold(Zatoshis::ZERO, |acc, a| acc + a)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/proposal.rs:458:48
[INFO] [stdout]     |
[INFO] [stdout] 458 |             .try_fold(Zatoshis::ZERO, |acc, a| (acc + a))
[INFO] [stdout]     |                                                ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 458 -             .try_fold(Zatoshis::ZERO, |acc, a| (acc + a))
[INFO] [stdout] 458 +             .try_fold(Zatoshis::ZERO, |acc, a| acc + a)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WithUsageTask` is never constructed
[INFO] [stdout]    --> src/scan.rs:258:19
[INFO] [stdout]     |
[INFO] [stdout] 258 | pub(crate) struct WithUsageTask<Item> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 23s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: document-features v0.2.8
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "e5f682457b33219c08c81171cae50b4253147f3bca975fd23fe6cda21b85a331", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5f682457b33219c08c81171cae50b4253147f3bca975fd23fe6cda21b85a331", kill_on_drop: false }`
[INFO] [stdout] e5f682457b33219c08c81171cae50b4253147f3bca975fd23fe6cda21b85a331
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6abfc2fe649c29d80a25fb9b55d2497b860cb9faab25f945200f7759d042cc0
[INFO] running `Command { std: "docker" "start" "-a" "a6abfc2fe649c29d80a25fb9b55d2497b860cb9faab25f945200f7759d042cc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling wagyu-zcash-parameters-1 v0.2.0
[INFO] [stderr]    Compiling wagyu-zcash-parameters-2 v0.2.0
[INFO] [stderr]    Compiling wagyu-zcash-parameters-6 v0.2.0
[INFO] [stderr]    Compiling wagyu-zcash-parameters-4 v0.2.0
[INFO] [stderr]    Compiling wagyu-zcash-parameters-3 v0.2.0
[INFO] [stderr]    Compiling wagyu-zcash-parameters-5 v0.2.0
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/proposal.rs:432:48
[INFO] [stdout]     |
[INFO] [stdout] 432 |             .try_fold(Zatoshis::ZERO, |acc, a| (acc + a))
[INFO] [stdout]     |                                                ^       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 432 -             .try_fold(Zatoshis::ZERO, |acc, a| (acc + a))
[INFO] [stdout] 432 +             .try_fold(Zatoshis::ZERO, |acc, a| acc + a)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/proposal.rs:458:48
[INFO] [stdout]     |
[INFO] [stdout] 458 |             .try_fold(Zatoshis::ZERO, |acc, a| (acc + a))
[INFO] [stdout]     |                                                ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 458 -             .try_fold(Zatoshis::ZERO, |acc, a| (acc + a))
[INFO] [stdout] 458 +             .try_fold(Zatoshis::ZERO, |acc, a| acc + a)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WithUsageTask` is never constructed
[INFO] [stdout]    --> src/scan.rs:258:19
[INFO] [stdout]     |
[INFO] [stdout] 258 | pub(crate) struct WithUsageTask<Item> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wagyu-zcash-parameters v0.2.0
[INFO] [stderr]    Compiling zcash_proofs v0.23.0
[INFO] [stderr]    Compiling tokio v1.37.0
[INFO] [stderr]    Compiling gumdrop_derive v0.8.1
[INFO] [stderr]    Compiling ambassador v0.4.1
[INFO] [stderr]    Compiling gumdrop v0.8.1
[INFO] [stderr]    Compiling zcash_client_backend v0.19.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/proposal.rs:432:48
[INFO] [stdout]     |
[INFO] [stdout] 432 |             .try_fold(Zatoshis::ZERO, |acc, a| (acc + a))
[INFO] [stdout]     |                                                ^       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 432 -             .try_fold(Zatoshis::ZERO, |acc, a| (acc + a))
[INFO] [stdout] 432 +             .try_fold(Zatoshis::ZERO, |acc, a| acc + a)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/proposal.rs:458:48
[INFO] [stdout]     |
[INFO] [stdout] 458 |             .try_fold(Zatoshis::ZERO, |acc, a| (acc + a))
[INFO] [stdout]     |                                                ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 458 -             .try_fold(Zatoshis::ZERO, |acc, a| (acc + a))
[INFO] [stdout] 458 +             .try_fold(Zatoshis::ZERO, |acc, a| acc + a)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WithUsageTask` is never constructed
[INFO] [stdout]    --> src/scan.rs:258:19
[INFO] [stdout]     |
[INFO] [stdout] 258 | pub(crate) struct WithUsageTask<Item> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 16.25s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: document-features v0.2.8
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "a6abfc2fe649c29d80a25fb9b55d2497b860cb9faab25f945200f7759d042cc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6abfc2fe649c29d80a25fb9b55d2497b860cb9faab25f945200f7759d042cc0", kill_on_drop: false }`
[INFO] [stdout] a6abfc2fe649c29d80a25fb9b55d2497b860cb9faab25f945200f7759d042cc0