[INFO] fetching crate zcash_client_backend 0.19.1...
[INFO] checking zcash_client_backend-0.19.1 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate zcash_client_backend 0.19.1 into /workspace/builds/worker-5-tc1/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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate zcash_client_backend 0.19.1 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea8473a81c3474a9ec4a832b36de255544d50b80eb07a701c1bfc536f8ac8d53
[INFO] running `Command { std: "docker" "start" "-a" "ea8473a81c3474a9ec4a832b36de255544d50b80eb07a701c1bfc536f8ac8d53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea8473a81c3474a9ec4a832b36de255544d50b80eb07a701c1bfc536f8ac8d53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea8473a81c3474a9ec4a832b36de255544d50b80eb07a701c1bfc536f8ac8d53", kill_on_drop: false }`
[INFO] [stdout] ea8473a81c3474a9ec4a832b36de255544d50b80eb07a701c1bfc536f8ac8d53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f98ae9c24c668652b997dfb49d6c5cd9e078cf054432974dc622e95adf06144
[INFO] running `Command { std: "docker" "start" "-a" "8f98ae9c24c668652b997dfb49d6c5cd9e078cf054432974dc622e95adf06144", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
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[INFO] [stderr]    Compiling zeroize_derive v1.4.2
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[INFO] [stderr]     Checking secrecy v0.8.0
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[INFO] [stderr]    Compiling prost v0.13.4
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[INFO] [stderr]    Compiling gumdrop_derive v0.8.1
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[INFO] [stderr]    Compiling prost-build v0.13.4
[INFO] [stderr]     Checking halo2_gadgets v0.3.1
[INFO] [stderr]    Compiling tonic-build v0.13.0
[INFO] [stderr]    Compiling zcash_client_backend v0.19.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking reddsa v0.5.1
[INFO] [stderr]     Checking redjubjub v0.8.0
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[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)]` 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: 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)]` 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)]` on by default
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 32s
[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 6`
[INFO] running `Command { std: "docker" "inspect" "8f98ae9c24c668652b997dfb49d6c5cd9e078cf054432974dc622e95adf06144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f98ae9c24c668652b997dfb49d6c5cd9e078cf054432974dc622e95adf06144", kill_on_drop: false }`
[INFO] [stdout] 8f98ae9c24c668652b997dfb49d6c5cd9e078cf054432974dc622e95adf06144