[INFO] fetching crate libzeropool-rs 0.9.1...
[INFO] testing libzeropool-rs-0.9.1 against 1.69.0 for beta-1.70-1
[INFO] extracting crate libzeropool-rs 0.9.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate libzeropool-rs 0.9.1 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libzeropool-rs 0.9.1
[INFO] finished tweaking crates.io crate libzeropool-rs 0.9.1
[INFO] tweaked toml for crates.io crate libzeropool-rs 0.9.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kvdb-memorydb v0.13.0
[INFO] [stderr]   Downloaded ff_derive_ce v0.5.1
[INFO] [stderr]   Downloaded fawkes-crypto_derive v4.3.0
[INFO] [stderr]   Downloaded seedbox v0.2.0
[INFO] [stderr]   Downloaded kvdb v0.13.0
[INFO] [stderr]   Downloaded zigzag v0.1.0
[INFO] [stderr]   Downloaded ff_ce v0.7.1
[INFO] [stderr]   Downloaded linked-list v0.0.3
[INFO] [stderr]   Downloaded blake2-rfc_bellman_edition v0.0.1
[INFO] [stderr]   Downloaded chacha20 v0.7.3
[INFO] [stderr]   Downloaded ff-uint v0.2.4
[INFO] [stderr]   Downloaded parity-util-mem v0.12.0
[INFO] [stderr]   Downloaded ff-uint_derive v0.2.4
[INFO] [stderr]   Downloaded chacha20poly1305 v0.8.2
[INFO] [stderr]   Downloaded fawkes-crypto-bellman_ce v0.3.5
[INFO] [stderr]   Downloaded persy v1.4.4
[INFO] [stderr]   Downloaded fawkes-crypto-pairing_ce v0.18.1
[INFO] [stderr]   Downloaded libzeropool v0.5.6
[INFO] [stderr]   Downloaded zp-kvdb-web v0.12.0
[INFO] [stderr]   Downloaded kvdb-persy v0.1.1
[INFO] [stderr]   Downloaded fawkes-crypto v4.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0acc9a14ac5a96cff663e172afc33348fc4b6069e8f4ed7c87567d201572d87e
[INFO] running `Command { std: "docker" "start" "-a" "0acc9a14ac5a96cff663e172afc33348fc4b6069e8f4ed7c87567d201572d87e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0acc9a14ac5a96cff663e172afc33348fc4b6069e8f4ed7c87567d201572d87e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0acc9a14ac5a96cff663e172afc33348fc4b6069e8f4ed7c87567d201572d87e", kill_on_drop: false }`
[INFO] [stdout] 0acc9a14ac5a96cff663e172afc33348fc4b6069e8f4ed7c87567d201572d87e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e1fed0e2944cec44f0e2ad5bb382784c8c1f9730b5b673b1efa26d325b064a5
[INFO] running `Command { std: "docker" "start" "-a" "5e1fed0e2944cec44f0e2ad5bb382784c8c1f9730b5b673b1efa26d325b064a5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling keccak v0.1.3
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling ref-cast v1.0.16
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling arrayvec v0.4.12
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[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling alloc-stdlib v0.2.2
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[INFO] [stderr]    Compiling cipher v0.3.0
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[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling aead v0.4.3
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[INFO] [stderr]    Compiling linked-list v0.0.3
[INFO] [stderr]    Compiling chacha20poly1305 v0.8.2
[INFO] [stderr]    Compiling digest v0.10.6
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling kvdb v0.13.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling sha3 v0.10.7
[INFO] [stderr]    Compiling kvdb-memorydb v0.13.0
[INFO] [stderr]    Compiling base64 v0.20.0
[INFO] [stderr]    Compiling bs58 v0.4.0
[INFO] [stderr]    Compiling ref-cast-impl v1.0.16
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling ff_derive_ce v0.5.1
[INFO] [stderr]    Compiling borsh-derive-internal v0.9.3
[INFO] [stderr]    Compiling borsh-schema-derive-internal v0.9.3
[INFO] [stderr]    Compiling ff_ce v0.7.1
[INFO] [stderr]    Compiling fawkes-crypto-pairing_ce v0.18.1
[INFO] [stderr]    Compiling concat-idents v1.1.4
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.1.3
[INFO] [stderr]    Compiling fawkes-crypto_derive v4.3.0
[INFO] [stderr]    Compiling fawkes-crypto-bellman_ce v0.3.5
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling borsh-derive v0.9.3
[INFO] [stderr]    Compiling ff-uint_derive v0.2.4
[INFO] [stderr]    Compiling borsh v0.9.3
[INFO] [stderr]    Compiling ff-uint v0.2.4
[INFO] [stderr]    Compiling fawkes-crypto v4.4.0
[INFO] [stderr]    Compiling libzeropool v0.5.6
[INFO] [stderr]    Compiling libzeropool-rs v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/client/mod.rs:67:39
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub out_hashes: SizedVec<Num<Fr>, { constants::OUT + 1 }>,
[INFO] [stdout]    |                                       ^^                  ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 67 -     pub out_hashes: SizedVec<Num<Fr>, { constants::OUT + 1 }>,
[INFO] [stdout] 67 +     pub out_hashes: SizedVec<Num<Fr>, constants::OUT + 1>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.94s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "5e1fed0e2944cec44f0e2ad5bb382784c8c1f9730b5b673b1efa26d325b064a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e1fed0e2944cec44f0e2ad5bb382784c8c1f9730b5b673b1efa26d325b064a5", kill_on_drop: false }`
[INFO] [stdout] 5e1fed0e2944cec44f0e2ad5bb382784c8c1f9730b5b673b1efa26d325b064a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc329637080497fabf95370e2152f37e737ebd802581b8838c5045022236e074
[INFO] running `Command { std: "docker" "start" "-a" "fc329637080497fabf95370e2152f37e737ebd802581b8838c5045022236e074", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling plotters-backend v0.3.4
[INFO] [stderr]    Compiling test-case v1.2.3
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]    Compiling regex v1.8.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling plotters-svg v0.3.3
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling csv v1.2.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling plotters v0.3.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling ff-uint_derive v0.2.4
[INFO] [stderr]    Compiling ff_derive_ce v0.5.1
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling ff-uint v0.2.4
[INFO] [stderr]    Compiling ff_ce v0.7.1
[INFO] [stderr]    Compiling fawkes-crypto-pairing_ce v0.18.1
[INFO] [stderr]    Compiling fawkes-crypto-bellman_ce v0.3.5
[INFO] [stderr]    Compiling fawkes-crypto v4.4.0
[INFO] [stderr]    Compiling libzeropool v0.5.6
[INFO] [stderr]    Compiling libzeropool-rs v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/client/mod.rs:67:39
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub out_hashes: SizedVec<Num<Fr>, { constants::OUT + 1 }>,
[INFO] [stdout]    |                                       ^^                  ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 67 -     pub out_hashes: SizedVec<Num<Fr>, { constants::OUT + 1 }>,
[INFO] [stdout] 67 +     pub out_hashes: SizedVec<Num<Fr>, constants::OUT + 1>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/client/mod.rs:67:39
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub out_hashes: SizedVec<Num<Fr>, { constants::OUT + 1 }>,
[INFO] [stdout]    |                                       ^^                  ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 67 -     pub out_hashes: SizedVec<Num<Fr>, { constants::OUT + 1 }>,
[INFO] [stdout] 67 +     pub out_hashes: SizedVec<Num<Fr>, constants::OUT + 1>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::atomic::AtomicUsize`
[INFO] [stdout]     --> src/merkle.rs:1013:9
[INFO] [stdout]      |
[INFO] [stdout] 1013 |     use std::sync::atomic::AtomicUsize;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/merkle.rs:1087:13
[INFO] [stdout]      |
[INFO] [stdout] 1087 |         let mut tree = &mut init().tree;
[INFO] [stdout]      |             ----^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/merkle.rs:1208:13
[INFO] [stdout]      |
[INFO] [stdout] 1208 |         let mut tree = &mut init().tree;
[INFO] [stdout]      |             ----^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/merkle.rs:1223:13
[INFO] [stdout]      |
[INFO] [stdout] 1223 |         let mut tree = &mut init().tree;
[INFO] [stdout]      |             ----^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/merkle.rs:1257:13
[INFO] [stdout]      |
[INFO] [stdout] 1257 |         let mut tree = &mut init().tree;
[INFO] [stdout]      |             ----^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/merkle.rs:1291:13
[INFO] [stdout]      |
[INFO] [stdout] 1291 |         let mut tree = &mut init().tree;
[INFO] [stdout]      |             ----^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/merkle.rs:1311:13
[INFO] [stdout]      |
[INFO] [stdout] 1311 |         let mut tree = &mut init().tree;
[INFO] [stdout]      |             ----^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/merkle.rs:1332:13
[INFO] [stdout]      |
[INFO] [stdout] 1332 |         let mut tree = &mut init().tree;
[INFO] [stdout]      |             ----^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/merkle.rs:1419:13
[INFO] [stdout]      |
[INFO] [stdout] 1419 |         let mut tree = &mut init().tree;
[INFO] [stdout]      |             ----^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/merkle.rs:1439:13
[INFO] [stdout]      |
[INFO] [stdout] 1439 |         let mut tree = &mut init().tree;
[INFO] [stdout]      |             ----^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/merkle.rs:1460:13
[INFO] [stdout]      |
[INFO] [stdout] 1460 |         let mut tree = &mut init().tree;
[INFO] [stdout]      |             ----^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/merkle.rs:1488:13
[INFO] [stdout]      |
[INFO] [stdout] 1488 |         let mut tree = &mut init().tree;
[INFO] [stdout]      |             ----^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/merkle.rs:1525:13
[INFO] [stdout]      |
[INFO] [stdout] 1525 |         let mut tree = &mut init().tree;
[INFO] [stdout]      |             ----^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/merkle.rs:1572:13
[INFO] [stdout]      |
[INFO] [stdout] 1572 |         let mut first_tree = &mut init().tree;
[INFO] [stdout]      |             ----^^^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/merkle.rs:1573:13
[INFO] [stdout]      |
[INFO] [stdout] 1573 |         let mut second_tree = &mut init().tree;
[INFO] [stdout]      |             ----^^^^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/merkle.rs:1657:13
[INFO] [stdout]      |
[INFO] [stdout] 1657 |         let mut tree = &mut init().tree;
[INFO] [stdout]      |             ----^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 20.41s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "fc329637080497fabf95370e2152f37e737ebd802581b8838c5045022236e074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc329637080497fabf95370e2152f37e737ebd802581b8838c5045022236e074", kill_on_drop: false }`
[INFO] [stdout] fc329637080497fabf95370e2152f37e737ebd802581b8838c5045022236e074
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 266da673e27fc7323b33327d4853c9a31c0fd146ff1e713d7f580dfe65e52b19
[INFO] running `Command { std: "docker" "start" "-a" "266da673e27fc7323b33327d4853c9a31c0fd146ff1e713d7f580dfe65e52b19", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/client/mod.rs:67:39
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub out_hashes: SizedVec<Num<Fr>, { constants::OUT + 1 }>,
[INFO] [stderr]    |                                       ^^                  ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 67 -     pub out_hashes: SizedVec<Num<Fr>, { constants::OUT + 1 }>,
[INFO] [stderr] 67 +     pub out_hashes: SizedVec<Num<Fr>, constants::OUT + 1>,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::atomic::AtomicUsize`
[INFO] [stderr]     --> src/merkle.rs:1013:9
[INFO] [stderr]      |
[INFO] [stderr] 1013 |     use std::sync::atomic::AtomicUsize;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/merkle.rs:1087:13
[INFO] [stderr]      |
[INFO] [stderr] 1087 |         let mut tree = &mut init().tree;
[INFO] [stderr]      |             ----^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/merkle.rs:1208:13
[INFO] [stderr]      |
[INFO] [stderr] 1208 |         let mut tree = &mut init().tree;
[INFO] [stderr]      |             ----^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/merkle.rs:1223:13
[INFO] [stderr]      |
[INFO] [stderr] 1223 |         let mut tree = &mut init().tree;
[INFO] [stderr]      |             ----^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/merkle.rs:1257:13
[INFO] [stderr]      |
[INFO] [stderr] 1257 |         let mut tree = &mut init().tree;
[INFO] [stderr]      |             ----^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/merkle.rs:1291:13
[INFO] [stderr]      |
[INFO] [stderr] 1291 |         let mut tree = &mut init().tree;
[INFO] [stderr]      |             ----^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/merkle.rs:1311:13
[INFO] [stderr]      |
[INFO] [stderr] 1311 |         let mut tree = &mut init().tree;
[INFO] [stderr]      |             ----^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/merkle.rs:1332:13
[INFO] [stderr]      |
[INFO] [stderr] 1332 |         let mut tree = &mut init().tree;
[INFO] [stderr]      |             ----^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/merkle.rs:1419:13
[INFO] [stderr]      |
[INFO] [stderr] 1419 |         let mut tree = &mut init().tree;
[INFO] [stderr]      |             ----^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/merkle.rs:1439:13
[INFO] [stderr]      |
[INFO] [stderr] 1439 |         let mut tree = &mut init().tree;
[INFO] [stderr]      |             ----^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/merkle.rs:1460:13
[INFO] [stderr]      |
[INFO] [stderr] 1460 |         let mut tree = &mut init().tree;
[INFO] [stderr]      |             ----^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/merkle.rs:1488:13
[INFO] [stderr]      |
[INFO] [stderr] 1488 |         let mut tree = &mut init().tree;
[INFO] [stderr]      |             ----^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/merkle.rs:1525:13
[INFO] [stderr]      |
[INFO] [stderr] 1525 |         let mut tree = &mut init().tree;
[INFO] [stderr]      |             ----^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/merkle.rs:1572:13
[INFO] [stderr]      |
[INFO] [stderr] 1572 |         let mut first_tree = &mut init().tree;
[INFO] [stderr]      |             ----^^^^^^^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/merkle.rs:1573:13
[INFO] [stderr]      |
[INFO] [stderr] 1573 |         let mut second_tree = &mut init().tree;
[INFO] [stderr]      |             ----^^^^^^^^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/merkle.rs:1657:13
[INFO] [stderr]      |
[INFO] [stderr] 1657 |         let mut tree = &mut init().tree;
[INFO] [stderr]      |             ----^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `libzeropool-rs` (lib) generated 1 warning (run `cargo fix --lib -p libzeropool-rs` to apply 1 suggestion)
[INFO] [stderr] warning: `libzeropool-rs` (lib test) generated 17 warnings (1 duplicate) (run `cargo fix --lib -p libzeropool-rs --tests` to apply 16 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libzeropool_rs-543a324fe3edccfa)
[INFO] [stdout] 
[INFO] [stdout] running 53 tests
[INFO] [stdout] test merkle::tests::test_add_hashes_last_3 ... ok
[INFO] [stdout] test merkle::tests::test_add_hashes_first_3 ... ok
[INFO] [stdout] test client::tests::test_create_tx_transfer_one_no_balance - should panic ... ok
[INFO] [stdout] test merkle::tests::test_add_leafs_and_commitments::_0_0_0_0 ... ok
[INFO] [stdout] test client::tests::test_user_account_is_own_address ... ok
[INFO] [stdout] test merkle::tests::test_add_leafs_and_commitments::_1_1_0_0 ... ok
[INFO] [stdout] test client::tests::test_create_tx_deposit_zero ... ok
[INFO] [stdout] test merkle::tests::test_all_temporary_nodes_in_subtree_are_removed::_12_15 ... ok
[INFO] [stdout] test merkle::tests::test_add_leafs_and_commitments::_1_1_1_0 ... ok
[INFO] [stdout] test merkle::tests::test_all_temporary_nodes_in_subtree_are_removed::_4_5 ... ok
[INFO] [stdout] test merkle::tests::test_add_hashes_with_gap ... ok
[INFO] [stdout] test client::tests::test_create_tx_transfer_zero ... ok
[INFO] [stdout] test merkle::tests::test_add_leafs_and_commitments::_4_2_0_5 ... ok
[INFO] [stdout] test merkle::tests::test_add_leafs_and_commitments::_4_2_1_0 ... ok
[INFO] [stdout] test merkle::tests::test_all_temporary_nodes_in_subtree_are_removed::_5_5 ... ok
[INFO] [stdout] test merkle::tests::test_get_leaf_proof ... ok
[INFO] [stdout] test merkle::tests::test_add_leafs_and_commitments::_4_2_0_0 ... ok
[INFO] [stdout] test merkle::tests::test_add_hashes ... ok
[INFO] [stdout] test merkle::tests::test_all_temporary_nodes_in_subtree_are_removed::_2_5 ... ok
[INFO] [stdout] test client::tests::test_create_tx_deposit_one ... ok
[INFO] [stdout] test merkle::tests::test_default_hashes_are_added_correctly ... ok
[INFO] [stdout] test merkle::tests::test_get_proof_after_virtual::_0_1 ... ok
[INFO] [stdout] test merkle::tests::test_all_temporary_nodes_in_subtree_are_removed::_5_8 ... ok
[INFO] [stdout] test merkle::tests::test_get_leaves ... ok
[INFO] [stdout] test merkle::tests::test_get_leaves_after ... ok
[INFO] [stdout] test merkle::tests::test_all_temporary_nodes_in_subtree_are_removed::_1_5 ... ok
[INFO] [stdout] test merkle::tests::test_get_proof_unchecked ... ok
[INFO] [stdout] test merkle::tests::test_get_root_optimistic::_0_0_0_0 ... ok
[INFO] [stdout] test merkle::tests::test_get_proof_after_virtual::_0_5 ... ok
[INFO] [stdout] test merkle::tests::test_get_proof_after_virtual::_0_8 ... ok
[INFO] [stdout] test merkle::tests::test_get_proof_after ... ok
[INFO] [stdout] test merkle::tests::test_get_root_optimistic::_1_1_0_0 ... ok
[INFO] [stdout] test merkle::tests::test_all_temporary_nodes_in_subtree_are_removed::_10_15 ... ok
[INFO] [stdout] test merkle::tests::test_all_temporary_nodes_in_subtree_are_removed::_0_5 ... ok
[INFO] [stdout] test merkle::tests::test_get_root_optimistic::_1_1_1_0 ... ok
[INFO] [stdout] test merkle::tests::test_get_proof_after_virtual::_13_5 ... ok
[INFO] [stdout] test merkle::tests::test_get_proof_after_virtual::_12_4 ... ok
[INFO] [stdout] test sparse_array::tests::test_sparse_array_iter_slice ... ok
[INFO] [stdout] test merkle::tests::test_get_root_optimistic::_4_2_0_0 ... ok
[INFO] [stdout] test merkle::tests::test_temporary_nodes_are_used_to_calculate_hashes_first ... ok
[INFO] [stdout] test merkle::tests::test_get_root_optimistic::_4_2_0_5 ... ok
[INFO] [stdout] test merkle::tests::test_get_root_optimistic::_4_2_1_0 ... ok
[INFO] [stdout] test merkle::tests::test_get_proof_after_virtual::_4_16 ... ok
[INFO] [stdout] test merkle::tests::test_rollback_removes_nodes_correctly::_16_0 ... ok
[INFO] [stdout] test merkle::tests::test_add_leafs_and_commitments::_15_7_0_0 ... ok
[INFO] [stdout] test merkle::tests::test_get_root_optimistic::_15_7_1_0 ... ok
[INFO] [stdout] test merkle::tests::test_add_leafs_and_commitments::_15_7_0_5 ... ok
[INFO] [stdout] test merkle::tests::test_add_leafs_and_commitments::_15_7_1_0 ... ok
[INFO] [stdout] test merkle::tests::test_get_root_optimistic::_15_7_0_0 ... ok
[INFO] [stdout] test merkle::tests::test_get_root_optimistic::_15_7_0_5 ... ok
[INFO] [stdout] test merkle::tests::test_rollback_removes_nodes_correctly::_11_7 ... ok
[INFO] [stdout] test merkle::tests::test_rollback_all_works_correctly ... ok
[INFO] [stdout] test merkle::tests::test_rollback_removes_nodes_correctly::_32_16 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 53 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.41s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libzeropool-rs
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/client/mod.rs:67:39
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub out_hashes: SizedVec<Num<Fr>, { constants::OUT + 1 }>,
[INFO] [stderr]    |                                       ^^                  ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 67 -     pub out_hashes: SizedVec<Num<Fr>, { constants::OUT + 1 }>,
[INFO] [stderr] 67 +     pub out_hashes: SizedVec<Num<Fr>, constants::OUT + 1>,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "266da673e27fc7323b33327d4853c9a31c0fd146ff1e713d7f580dfe65e52b19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "266da673e27fc7323b33327d4853c9a31c0fd146ff1e713d7f580dfe65e52b19", kill_on_drop: false }`
[INFO] [stdout] 266da673e27fc7323b33327d4853c9a31c0fd146ff1e713d7f580dfe65e52b19
