[INFO] cloning repository https://github.com/ansonhwa/anson-librustzcash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ansonhwa/anson-librustzcash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fansonhwa%2Fanson-librustzcash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fansonhwa%2Fanson-librustzcash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4868e36b1076427e018c54b5ff709e9082f608f2
[INFO] testing ansonhwa/anson-librustzcash against beta-2023-04-20 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fansonhwa%2Fanson-librustzcash" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ansonhwa/anson-librustzcash on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ansonhwa/anson-librustzcash
[INFO] finished tweaking git repo https://github.com/ansonhwa/anson-librustzcash
[INFO] tweaked toml for git repo https://github.com/ansonhwa/anson-librustzcash written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ansonhwa/anson-librustzcash 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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aesni v0.4.1
[INFO] [stderr]   Downloaded opaque-debug v0.1.1
[INFO] [stderr]   Downloaded block-cipher-trait v0.5.3
[INFO] [stderr]   Downloaded stream-cipher v0.1.1
[INFO] [stderr]   Downloaded num-bigint v0.2.0
[INFO] [stderr]   Downloaded fpe v0.1.0
[INFO] [stderr]   Downloaded proc-macro2 v0.4.14
[INFO] [stderr]   Downloaded aes-soft v0.2.0
[INFO] [stderr]   Downloaded aes v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfc36c1274f7243d04db4dd686a996f7b2369c1295021b95e242cf544dc39263
[INFO] running `Command { std: "docker" "start" "-a" "dfc36c1274f7243d04db4dd686a996f7b2369c1295021b95e242cf544dc39263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfc36c1274f7243d04db4dd686a996f7b2369c1295021b95e242cf544dc39263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfc36c1274f7243d04db4dd686a996f7b2369c1295021b95e242cf544dc39263", kill_on_drop: false }`
[INFO] [stdout] dfc36c1274f7243d04db4dd686a996f7b2369c1295021b95e242cf544dc39263
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7eeaebc649b80b3e2f4446a87901a5d80a37ab9b290c5798fc10eb708ca676ad
[INFO] running `Command { std: "docker" "start" "-a" "7eeaebc649b80b3e2f4446a87901a5d80a37ab9b290c5798fc10eb708ca676ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling byteorder v1.2.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.14
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling futures v0.1.21
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling crossbeam v0.3.2
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling constant_time_eq v0.1.3
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling serde v1.0.75
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling num-bigint v0.2.0
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling opaque-debug v0.1.1
[INFO] [stderr]    Compiling itoa v0.4.2
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling zeroize v1.3.0
[INFO] [stderr]    Compiling zcash_wallet v0.0.0 (/opt/rustwide/workdir/zcash_wallet)
[INFO] [stderr]    Compiling blake2-rfc v0.2.18 (https://github.com/gtank/blake2-rfc?rev=7a5b5fc99ae483a0043db7547fb79a6fa44b88a9#7a5b5fc9)
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling pairing v0.14.2 (/opt/rustwide/workdir/pairing)
[INFO] [stderr]    Compiling pairing v0.14.2 (https://github.com/omershlo/librustzcash.git?rev=3e667406323430813f6dbae2a60b5a83046fa20a#3e667406)
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> pairing/src/bls12_381/fq.rs:522:9
[INFO] [stdout]     |
[INFO] [stdout] 522 |         try!(write!(f, "0x"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> pairing/src/bls12_381/fq.rs:524:13
[INFO] [stdout]     |
[INFO] [stdout] 524 |             try!(write!(f, "{:016x}", *i));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> pairing/src/bls12_381/fr.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         try!(write!(f, "0x"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> pairing/src/bls12_381/fr.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |             try!(write!(f, "{:016x}", *i));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> pairing/src/lib.rs:98:29
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn final_exponentiation(&Self::Fqk) -> Option<Self::Fqk>;
[INFO] [stdout]    |                             ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::Fqk`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> pairing/src/lib.rs:555:18
[INFO] [stdout]     |
[INFO] [stdout] 555 |     fn from_repr(Self::Repr) -> Result<Self, PrimeFieldDecodingError>;
[INFO] [stdout]     |                  ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Repr`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling digest v0.7.2
[INFO] [stderr]    Compiling block-cipher-trait v0.5.3
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> pairing/src/lib.rs:503:39
[INFO] [stdout]     |
[INFO] [stdout] 503 |             _ => write!(f, "{}", self.description()),
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aes-soft v0.2.0
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> pairing/src/lib.rs:107:62
[INFO] [stdout]     |
[INFO] [stdout] 107 |             [(&(p.into().prepare()), &(q.into().prepare()))].into_iter(),
[INFO] [stdout]     |                                                              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 107 |             [(&(p.into().prepare()), &(q.into().prepare()))].iter(),
[INFO] [stdout]     |                                                              ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 107 |             IntoIterator::into_iter([(&(p.into().prepare()), &(q.into().prepare()))]),
[INFO] [stdout]     |             ++++++++++++++++++++++++                                                ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bellman v0.1.0 (/opt/rustwide/workdir/bellman)
[INFO] [stderr]    Compiling aes v0.2.0
[INFO] [stderr]    Compiling bellman v0.1.0 (https://github.com/omershlo/librustzcash.git?rev=3e667406323430813f6dbae2a60b5a83046fa20a#3e667406)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> bellman/src/multiexp.rs:148:10
[INFO] [stdout]     |
[INFO] [stdout] 148 | ) -> Box<Future<Item=<G as CurveAffine>::Projective, Error=SynthesisError>>
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 148 | ) -> Box<dyn Future<Item=<G as CurveAffine>::Projective, Error=SynthesisError>>
[INFO] [stdout]     |          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> bellman/src/multiexp.rs:242:10
[INFO] [stdout]     |
[INFO] [stdout] 242 | ) -> Box<Future<Item=<G as CurveAffine>::Projective, Error=SynthesisError>>
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 242 | ) -> Box<dyn Future<Item=<G as CurveAffine>::Projective, Error=SynthesisError>>
[INFO] [stdout]     |          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> bellman/src/lib.rs:215:34
[INFO] [stdout]     |
[INFO] [stdout] 215 |             write!(f, "{}", self.description())
[INFO] [stdout]     |                                  ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sapling-crypto v0.0.1 (https://github.com/omershlo/librustzcash.git?rev=3e667406323430813f6dbae2a60b5a83046fa20a#3e667406)
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]   --> bellman/src/groth16/verifier.rs:64:11
[INFO] [stdout]    |
[INFO] [stdout] 64 |         ].into_iter())
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 64 |         ].iter())
[INFO] [stdout]    |           ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 60 ~         &E::miller_loop(IntoIterator::into_iter([
[INFO] [stdout] 61 |             (&proof.a.prepare(), &proof.b.prepare()),
[INFO] [stdout] 62 |             (&acc.into_affine().prepare(), &pvk.neg_gamma_g2),
[INFO] [stdout] 63 |             (&proof.c.prepare(), &pvk.neg_delta_g2)
[INFO] [stdout] 64 ~         ]))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sapling-crypto v0.0.1 (/opt/rustwide/workdir/sapling-crypto)
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> sapling-crypto/src/jubjub/fs.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         try!(write!(f, "0x"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> sapling-crypto/src/jubjub/fs.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |             try!(write!(f, "{:016x}", *i));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> sapling-crypto/src/jubjub/mod.rs:130:34
[INFO] [stdout]     |
[INFO] [stdout] 130 |     fn circuit_generators(&self, FixedGenerators) -> &[Vec<(E::Fr, E::Fr)>];
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: FixedGenerators`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fpe v0.1.0
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> sapling-crypto/src/jubjub/mod.rs:354:17
[INFO] [stdout]     |
[INFO] [stdout] 354 |             for mut gen in tmp_params.pedersen_hash_generators.iter().cloned() {
[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] [stderr]    Compiling serde_derive v1.0.75
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]   --> sapling-crypto/src/circuit/sprout/input.rs:78:37
[INFO] [stdout]    |
[INFO] [stdout] 78 |         for (i, layer) in auth_path.into_iter().enumerate() {
[INFO] [stdout]    |                                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 78 |         for (i, layer) in auth_path.iter().enumerate() {
[INFO] [stdout]    |                                     ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 78 |         for (i, layer) in IntoIterator::into_iter(auth_path).enumerate() {
[INFO] [stdout]    |                           ++++++++++++++++++++++++         ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling zcash_proofs v0.0.0 (/opt/rustwide/workdir/zcash_proofs)
[INFO] [stderr]    Compiling zip32 v0.0.0 (/opt/rustwide/workdir/zip32)
[INFO] [stderr]    Compiling zcash_primitives v0.0.0 (/opt/rustwide/workdir/zcash_primitives)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> zip32/src/lib.rs:24:38
[INFO] [stdout]    |
[INFO] [stdout] 24 |     static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
[INFO] [stdout]    |                                      ^^                  ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 24 -     static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
[INFO] [stdout] 24 +     static ref JUBJUB: JubjubBls12 = JubjubBls12::new();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> zip32/src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | / lazy_static! {
[INFO] [stdout] 24 | |     static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> zcash_primitives/src/transaction/components.rs:16:33
[INFO] [stdout]    |
[INFO] [stdout] 16 | const GROTH_PROOF_SIZE: usize = (48 + 96 + 48);
[INFO] [stdout]    |                                 ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 16 - const GROTH_PROOF_SIZE: usize = (48 + 96 + 48);
[INFO] [stdout] 16 + const GROTH_PROOF_SIZE: usize = 48 + 96 + 48;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> zcash_primitives/src/transaction/components.rs:18:32
[INFO] [stdout]    |
[INFO] [stdout] 18 | const PHGR_PROOF_SIZE: usize = (33 + 33 + 65 + 33 + 33 + 33 + 33 + 33);
[INFO] [stdout]    |                                ^                                     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 18 - const PHGR_PROOF_SIZE: usize = (33 + 33 + 65 + 33 + 33 + 33 + 33 + 33);
[INFO] [stdout] 18 + const PHGR_PROOF_SIZE: usize = 33 + 33 + 65 + 33 + 33 + 33 + 33 + 33;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> zcash_primitives/src/lib.rs:16:38
[INFO] [stdout]    |
[INFO] [stdout] 16 |     static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
[INFO] [stdout]    |                                      ^^                  ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 16 -     static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
[INFO] [stdout] 16 +     static ref JUBJUB: JubjubBls12 = JubjubBls12::new();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> zcash_primitives/src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | / lazy_static! {
[INFO] [stdout] 16 | |     static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_fs` is never used
[INFO] [stdout]   --> zcash_proofs/src/sapling/prover.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn read_fs(from: &[u8]) -> FsRepr {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> zcash_proofs/src/sapling/prover.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |         ar.clone().into_repr().write_le(&mut ar_vec[0..32]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 170 |         let _ = ar.clone().into_repr().write_le(&mut ar_vec[0..32]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust-gmp v0.5.0 (https://github.com/ansonhwa/anson-rust-gmp#a428d31f)
[INFO] [stderr]    Compiling serde_json v1.0.26
[INFO] [stderr]    Compiling paradise-city v0.2.0 (https://github.com/ansonhwa/anson-paradise-city#468e7baa)
[INFO] [stderr]    Compiling librustzcash v0.1.0 (/opt/rustwide/workdir/librustzcash)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> librustzcash/src/rustzcash.rs:80:38
[INFO] [stdout]    |
[INFO] [stdout] 80 |     static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
[INFO] [stdout]    |                                      ^^                  ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 80 -     static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
[INFO] [stdout] 80 +     static ref JUBJUB: JubjubBls12 = JubjubBls12::new();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]     --> librustzcash/src/rustzcash.rs:1250:9
[INFO] [stdout]      |
[INFO] [stdout] 1250 |     let (party1_alpha): (FE) = serde_json::from_str(&data).unwrap();
[INFO] [stdout]      |         ^            ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1250 -     let (party1_alpha): (FE) = serde_json::from_str(&data).unwrap();
[INFO] [stdout] 1250 +     let party1_alpha: (FE) = serde_json::from_str(&data).unwrap();
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> librustzcash/src/rustzcash.rs:1250:25
[INFO] [stdout]      |
[INFO] [stdout] 1250 |     let (party1_alpha): (FE) = serde_json::from_str(&data).unwrap();
[INFO] [stdout]      |                         ^  ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1250 -     let (party1_alpha): (FE) = serde_json::from_str(&data).unwrap();
[INFO] [stdout] 1250 +     let (party1_alpha): FE = serde_json::from_str(&data).unwrap();
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]     --> librustzcash/src/rustzcash.rs:1253:9
[INFO] [stdout]      |
[INFO] [stdout] 1253 |     let (_party2_alpha): (FE) = serde_json::from_str(&data).unwrap();
[INFO] [stdout]      |         ^             ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1253 -     let (_party2_alpha): (FE) = serde_json::from_str(&data).unwrap();
[INFO] [stdout] 1253 +     let _party2_alpha: (FE) = serde_json::from_str(&data).unwrap();
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> librustzcash/src/rustzcash.rs:1253:26
[INFO] [stdout]      |
[INFO] [stdout] 1253 |     let (_party2_alpha): (FE) = serde_json::from_str(&data).unwrap();
[INFO] [stdout]      |                          ^  ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1253 -     let (_party2_alpha): (FE) = serde_json::from_str(&data).unwrap();
[INFO] [stdout] 1253 +     let (_party2_alpha): FE = serde_json::from_str(&data).unwrap();
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sapling_crypto::jubjub::JubjubBls12 as jjbls12_l`
[INFO] [stdout]     --> librustzcash/src/rustzcash.rs:1564:5
[INFO] [stdout]      |
[INFO] [stdout] 1564 | use sapling_crypto::jubjub::JubjubBls12 as jjbls12_l;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> librustzcash/src/rustzcash.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | / lazy_static! {
[INFO] [stdout] 80 | |     static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
[INFO] [stdout] 81 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.30s
[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 1`
[INFO] running `Command { std: "docker" "inspect" "7eeaebc649b80b3e2f4446a87901a5d80a37ab9b290c5798fc10eb708ca676ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eeaebc649b80b3e2f4446a87901a5d80a37ab9b290c5798fc10eb708ca676ad", kill_on_drop: false }`
[INFO] [stdout] 7eeaebc649b80b3e2f4446a87901a5d80a37ab9b290c5798fc10eb708ca676ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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" "+beta-2023-04-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 282abf0a03868e9935eef0247325c96f1edc8320964f101b77f54d89bcb34669
[INFO] running `Command { std: "docker" "start" "-a" "282abf0a03868e9935eef0247325c96f1edc8320964f101b77f54d89bcb34669", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> pairing/src/bls12_381/fq.rs:522:9
[INFO] [stdout]     |
[INFO] [stdout] 522 |         try!(write!(f, "0x"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> pairing/src/bls12_381/fq.rs:524:13
[INFO] [stdout]     |
[INFO] [stdout] 524 |             try!(write!(f, "{:016x}", *i));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> pairing/src/bls12_381/fr.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         try!(write!(f, "0x"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> pairing/src/bls12_381/fr.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |             try!(write!(f, "{:016x}", *i));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> pairing/src/lib.rs:98:29
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn final_exponentiation(&Self::Fqk) -> Option<Self::Fqk>;
[INFO] [stdout]    |                             ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::Fqk`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> pairing/src/lib.rs:555:18
[INFO] [stdout]     |
[INFO] [stdout] 555 |     fn from_repr(Self::Repr) -> Result<Self, PrimeFieldDecodingError>;
[INFO] [stdout]     |                  ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Repr`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> pairing/src/lib.rs:503:39
[INFO] [stdout]     |
[INFO] [stdout] 503 |             _ => write!(f, "{}", self.description()),
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pairing v0.14.2 (/opt/rustwide/workdir/pairing)
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> pairing/src/lib.rs:107:62
[INFO] [stdout]     |
[INFO] [stdout] 107 |             [(&(p.into().prepare()), &(q.into().prepare()))].into_iter(),
[INFO] [stdout]     |                                                              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 107 |             [(&(p.into().prepare()), &(q.into().prepare()))].iter(),
[INFO] [stdout]     |                                                              ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 107 |             IntoIterator::into_iter([(&(p.into().prepare()), &(q.into().prepare()))]),
[INFO] [stdout]     |             ++++++++++++++++++++++++                                                ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling zcash_wallet v0.0.0 (/opt/rustwide/workdir/zcash_wallet)
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> bellman/src/multiexp.rs:148:10
[INFO] [stdout]     |
[INFO] [stdout] 148 | ) -> Box<Future<Item=<G as CurveAffine>::Projective, Error=SynthesisError>>
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 148 | ) -> Box<dyn Future<Item=<G as CurveAffine>::Projective, Error=SynthesisError>>
[INFO] [stdout]     |          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> bellman/src/multiexp.rs:242:10
[INFO] [stdout]     |
[INFO] [stdout] 242 | ) -> Box<Future<Item=<G as CurveAffine>::Projective, Error=SynthesisError>>
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 242 | ) -> Box<dyn Future<Item=<G as CurveAffine>::Projective, Error=SynthesisError>>
[INFO] [stdout]     |          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> bellman/src/lib.rs:215:34
[INFO] [stdout]     |
[INFO] [stdout] 215 |             write!(f, "{}", self.description())
[INFO] [stdout]     |                                  ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]   --> bellman/src/groth16/verifier.rs:64:11
[INFO] [stdout]    |
[INFO] [stdout] 64 |         ].into_iter())
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 64 |         ].iter())
[INFO] [stdout]    |           ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 60 ~         &E::miller_loop(IntoIterator::into_iter([
[INFO] [stdout] 61 |             (&proof.a.prepare(), &proof.b.prepare()),
[INFO] [stdout] 62 |             (&acc.into_affine().prepare(), &pvk.neg_gamma_g2),
[INFO] [stdout] 63 |             (&proof.c.prepare(), &pvk.neg_delta_g2)
[INFO] [stdout] 64 ~         ]))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bellman v0.1.0 (/opt/rustwide/workdir/bellman)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> sapling-crypto/src/jubjub/fs.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         try!(write!(f, "0x"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> sapling-crypto/src/jubjub/fs.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |             try!(write!(f, "{:016x}", *i));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> sapling-crypto/src/jubjub/mod.rs:130:34
[INFO] [stdout]     |
[INFO] [stdout] 130 |     fn circuit_generators(&self, FixedGenerators) -> &[Vec<(E::Fr, E::Fr)>];
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: FixedGenerators`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> sapling-crypto/src/jubjub/mod.rs:354:17
[INFO] [stdout]     |
[INFO] [stdout] 354 |             for mut gen in tmp_params.pedersen_hash_generators.iter().cloned() {
[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: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]   --> sapling-crypto/src/circuit/sprout/input.rs:78:37
[INFO] [stdout]    |
[INFO] [stdout] 78 |         for (i, layer) in auth_path.into_iter().enumerate() {
[INFO] [stdout]    |                                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 78 |         for (i, layer) in auth_path.iter().enumerate() {
[INFO] [stdout]    |                                     ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 78 |         for (i, layer) in IntoIterator::into_iter(auth_path).enumerate() {
[INFO] [stdout]    |                           ++++++++++++++++++++++++         ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sapling-crypto v0.0.1 (/opt/rustwide/workdir/sapling-crypto)
[INFO] [stdout] warning: function `read_fs` is never used
[INFO] [stdout]   --> zcash_proofs/src/sapling/prover.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn read_fs(from: &[u8]) -> FsRepr {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> zcash_proofs/src/sapling/prover.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |         ar.clone().into_repr().write_le(&mut ar_vec[0..32]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 170 |         let _ = ar.clone().into_repr().write_le(&mut ar_vec[0..32]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> zcash_primitives/src/transaction/components.rs:16:33
[INFO] [stdout]    |
[INFO] [stdout] 16 | const GROTH_PROOF_SIZE: usize = (48 + 96 + 48);
[INFO] [stdout]    |                                 ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 16 - const GROTH_PROOF_SIZE: usize = (48 + 96 + 48);
[INFO] [stdout] 16 + const GROTH_PROOF_SIZE: usize = 48 + 96 + 48;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> zcash_primitives/src/transaction/components.rs:18:32
[INFO] [stdout]    |
[INFO] [stdout] 18 | const PHGR_PROOF_SIZE: usize = (33 + 33 + 65 + 33 + 33 + 33 + 33 + 33);
[INFO] [stdout]    |                                ^                                     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 18 - const PHGR_PROOF_SIZE: usize = (33 + 33 + 65 + 33 + 33 + 33 + 33 + 33);
[INFO] [stdout] 18 + const PHGR_PROOF_SIZE: usize = 33 + 33 + 65 + 33 + 33 + 33 + 33 + 33;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> zcash_primitives/src/lib.rs:16:38
[INFO] [stdout]    |
[INFO] [stdout] 16 |     static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
[INFO] [stdout]    |                                      ^^                  ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 16 -     static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
[INFO] [stdout] 16 +     static ref JUBJUB: JubjubBls12 = JubjubBls12::new();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> zcash_primitives/src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | / lazy_static! {
[INFO] [stdout] 16 | |     static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling zcash_primitives v0.0.0 (/opt/rustwide/workdir/zcash_primitives)
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling zcash_proofs v0.0.0 (/opt/rustwide/workdir/zcash_proofs)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> zip32/src/lib.rs:24:38
[INFO] [stdout]    |
[INFO] [stdout] 24 |     static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
[INFO] [stdout]    |                                      ^^                  ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 24 -     static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
[INFO] [stdout] 24 +     static ref JUBJUB: JubjubBls12 = JubjubBls12::new();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> zip32/src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | / lazy_static! {
[INFO] [stdout] 24 | |     static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling zip32 v0.0.0 (/opt/rustwide/workdir/zip32)
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling librustzcash v0.1.0 (/opt/rustwide/workdir/librustzcash)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> zip32/src/lib.rs:24:38
[INFO] [stdout]    |
[INFO] [stdout] 24 |     static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
[INFO] [stdout]    |                                      ^^                  ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 24 -     static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
[INFO] [stdout] 24 +     static ref JUBJUB: JubjubBls12 = JubjubBls12::new();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> zip32/src/lib.rs:737:10
[INFO] [stdout]     |
[INFO] [stdout] 737 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> bellman/tests/mimc.rs:111:17
[INFO] [stdout]     |
[INFO] [stdout] 111 |             let mut tmp_value = xl_value.map(|mut e| {
[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]    --> bellman/tests/mimc.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |             let mut tmp = cs.alloc(|| "tmp", || {
[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]    --> bellman/tests/mimc.rs:130:17
[INFO] [stdout]     |
[INFO] [stdout] 130 |             let mut new_xl_value = xl_value.map(|mut e| {
[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]    --> bellman/tests/mimc.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |             let mut new_xl = if i == (MIMC_ROUNDS-1) {
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> zip32/src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | / lazy_static! {
[INFO] [stdout] 24 | |     static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> pairing/src/bls12_381/fq.rs:522:9
[INFO] [stdout]     |
[INFO] [stdout] 522 |         try!(write!(f, "0x"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> pairing/src/bls12_381/fq.rs:524:13
[INFO] [stdout]     |
[INFO] [stdout] 524 |             try!(write!(f, "{:016x}", *i));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> pairing/src/bls12_381/fr.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         try!(write!(f, "0x"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> pairing/src/bls12_381/fr.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |             try!(write!(f, "{:016x}", *i));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> pairing/src/lib.rs:98:29
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn final_exponentiation(&Self::Fqk) -> Option<Self::Fqk>;
[INFO] [stdout]    |                             ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::Fqk`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> pairing/src/lib.rs:555:18
[INFO] [stdout]     |
[INFO] [stdout] 555 |     fn from_repr(Self::Repr) -> Result<Self, PrimeFieldDecodingError>;
[INFO] [stdout]     |                  ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Repr`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_fs` is never used
[INFO] [stdout]   --> zcash_proofs/src/sapling/prover.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn read_fs(from: &[u8]) -> FsRepr {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> librustzcash/src/tests/key_components.rs:30:6
[INFO] [stdout]    |
[INFO] [stdout] 30 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> librustzcash/src/tests/notes.rs:22:6
[INFO] [stdout]    |
[INFO] [stdout] 22 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> librustzcash/src/tests/signatures.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 20 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> librustzcash/src/tests/mod.rs:19:6
[INFO] [stdout]    |
[INFO] [stdout] 19 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> librustzcash/src/rustzcash.rs:80:38
[INFO] [stdout]    |
[INFO] [stdout] 80 |     static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
[INFO] [stdout]    |                                      ^^                  ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 80 -     static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
[INFO] [stdout] 80 +     static ref JUBJUB: JubjubBls12 = JubjubBls12::new();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]     --> librustzcash/src/rustzcash.rs:1250:9
[INFO] [stdout]      |
[INFO] [stdout] 1250 |     let (party1_alpha): (FE) = serde_json::from_str(&data).unwrap();
[INFO] [stdout]      |         ^            ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1250 -     let (party1_alpha): (FE) = serde_json::from_str(&data).unwrap();
[INFO] [stdout] 1250 +     let party1_alpha: (FE) = serde_json::from_str(&data).unwrap();
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> librustzcash/src/rustzcash.rs:1250:25
[INFO] [stdout]      |
[INFO] [stdout] 1250 |     let (party1_alpha): (FE) = serde_json::from_str(&data).unwrap();
[INFO] [stdout]      |                         ^  ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1250 -     let (party1_alpha): (FE) = serde_json::from_str(&data).unwrap();
[INFO] [stdout] 1250 +     let (party1_alpha): FE = serde_json::from_str(&data).unwrap();
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]     --> librustzcash/src/rustzcash.rs:1253:9
[INFO] [stdout]      |
[INFO] [stdout] 1253 |     let (_party2_alpha): (FE) = serde_json::from_str(&data).unwrap();
[INFO] [stdout]      |         ^             ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1253 -     let (_party2_alpha): (FE) = serde_json::from_str(&data).unwrap();
[INFO] [stdout] 1253 +     let _party2_alpha: (FE) = serde_json::from_str(&data).unwrap();
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> librustzcash/src/rustzcash.rs:1253:26
[INFO] [stdout]      |
[INFO] [stdout] 1253 |     let (_party2_alpha): (FE) = serde_json::from_str(&data).unwrap();
[INFO] [stdout]      |                          ^  ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1253 -     let (_party2_alpha): (FE) = serde_json::from_str(&data).unwrap();
[INFO] [stdout] 1253 +     let (_party2_alpha): FE = serde_json::from_str(&data).unwrap();
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sapling_crypto::jubjub::JubjubBls12 as jjbls12_l`
[INFO] [stdout]     --> librustzcash/src/rustzcash.rs:1564:5
[INFO] [stdout]      |
[INFO] [stdout] 1564 | use sapling_crypto::jubjub::JubjubBls12 as jjbls12_l;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> bellman/src/multiexp.rs:148:10
[INFO] [stdout]     |
[INFO] [stdout] 148 | ) -> Box<Future<Item=<G as CurveAffine>::Projective, Error=SynthesisError>>
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 148 | ) -> Box<dyn Future<Item=<G as CurveAffine>::Projective, Error=SynthesisError>>
[INFO] [stdout]     |          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> bellman/src/multiexp.rs:242:10
[INFO] [stdout]     |
[INFO] [stdout] 242 | ) -> Box<Future<Item=<G as CurveAffine>::Projective, Error=SynthesisError>>
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 242 | ) -> Box<dyn Future<Item=<G as CurveAffine>::Projective, Error=SynthesisError>>
[INFO] [stdout]     |          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> zcash_proofs/src/sapling/prover.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |         ar.clone().into_repr().write_le(&mut ar_vec[0..32]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 170 |         let _ = ar.clone().into_repr().write_le(&mut ar_vec[0..32]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> librustzcash/src/rustzcash.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | / lazy_static! {
[INFO] [stdout] 80 | |     static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
[INFO] [stdout] 81 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> sapling-crypto/src/jubjub/fs.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         try!(write!(f, "0x"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> sapling-crypto/src/jubjub/fs.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |             try!(write!(f, "{:016x}", *i));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> sapling-crypto/src/jubjub/mod.rs:130:34
[INFO] [stdout]     |
[INFO] [stdout] 130 |     fn circuit_generators(&self, FixedGenerators) -> &[Vec<(E::Fr, E::Fr)>];
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: FixedGenerators`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> zcash_primitives/src/transaction/components.rs:16:33
[INFO] [stdout]    |
[INFO] [stdout] 16 | const GROTH_PROOF_SIZE: usize = (48 + 96 + 48);
[INFO] [stdout]    |                                 ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 16 - const GROTH_PROOF_SIZE: usize = (48 + 96 + 48);
[INFO] [stdout] 16 + const GROTH_PROOF_SIZE: usize = 48 + 96 + 48;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> zcash_primitives/src/transaction/components.rs:18:32
[INFO] [stdout]    |
[INFO] [stdout] 18 | const PHGR_PROOF_SIZE: usize = (33 + 33 + 65 + 33 + 33 + 33 + 33 + 33);
[INFO] [stdout]    |                                ^                                     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 18 - const PHGR_PROOF_SIZE: usize = (33 + 33 + 65 + 33 + 33 + 33 + 33 + 33);
[INFO] [stdout] 18 + const PHGR_PROOF_SIZE: usize = 33 + 33 + 65 + 33 + 33 + 33 + 33 + 33;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> zcash_primitives/src/transaction/tests.rs:238:6
[INFO] [stdout]     |
[INFO] [stdout] 238 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> zcash_primitives/src/transaction/tests.rs:1943:6
[INFO] [stdout]      |
[INFO] [stdout] 1943 |     };
[INFO] [stdout]      |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> zcash_primitives/src/lib.rs:16:38
[INFO] [stdout]    |
[INFO] [stdout] 16 |     static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
[INFO] [stdout]    |                                      ^^                  ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 16 -     static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
[INFO] [stdout] 16 +     static ref JUBJUB: JubjubBls12 = JubjubBls12::new();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> zcash_primitives/src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | / lazy_static! {
[INFO] [stdout] 16 | |     static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> bellman/src/lib.rs:215:34
[INFO] [stdout]     |
[INFO] [stdout] 215 |             write!(f, "{}", self.description())
[INFO] [stdout]     |                                  ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> pairing/src/lib.rs:503:39
[INFO] [stdout]     |
[INFO] [stdout] 503 |             _ => write!(f, "{}", self.description()),
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]   --> bellman/src/groth16/verifier.rs:64:11
[INFO] [stdout]    |
[INFO] [stdout] 64 |         ].into_iter())
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 64 |         ].iter())
[INFO] [stdout]    |           ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 60 ~         &E::miller_loop(IntoIterator::into_iter([
[INFO] [stdout] 61 |             (&proof.a.prepare(), &proof.b.prepare()),
[INFO] [stdout] 62 |             (&acc.into_affine().prepare(), &pvk.neg_gamma_g2),
[INFO] [stdout] 63 |             (&proof.c.prepare(), &pvk.neg_delta_g2)
[INFO] [stdout] 64 ~         ]))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> pairing/src/lib.rs:107:62
[INFO] [stdout]     |
[INFO] [stdout] 107 |             [(&(p.into().prepare()), &(q.into().prepare()))].into_iter(),
[INFO] [stdout]     |                                                              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 107 |             [(&(p.into().prepare()), &(q.into().prepare()))].iter(),
[INFO] [stdout]     |                                                              ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 107 |             IntoIterator::into_iter([(&(p.into().prepare()), &(q.into().prepare()))]),
[INFO] [stdout]     |             ++++++++++++++++++++++++                                                ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> sapling-crypto/src/jubjub/mod.rs:354:17
[INFO] [stdout]     |
[INFO] [stdout] 354 |             for mut gen in tmp_params.pedersen_hash_generators.iter().cloned() {
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> sapling-crypto/src/circuit/uint32.rs:429:17
[INFO] [stdout]     |
[INFO] [stdout] 429 |             let mut v = (0..32).map(|_| Boolean::constant(rng.gen())).collect::<Vec<_>>();
[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]    --> sapling-crypto/src/circuit/uint32.rs:460:17
[INFO] [stdout]     |
[INFO] [stdout] 460 |             let mut v = (0..32).map(|_| Boolean::constant(rng.gen())).collect::<Vec<_>>();
[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]    --> sapling-crypto/src/circuit/pedersen_hash.rs:154:21
[INFO] [stdout]     |
[INFO] [stdout] 154 |                 let mut input: Vec<bool> = (0..length).map(|_| rng.gen()).collect();
[INFO] [stdout]     |                     ----^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]   --> sapling-crypto/src/circuit/sprout/input.rs:78:37
[INFO] [stdout]    |
[INFO] [stdout] 78 |         for (i, layer) in auth_path.into_iter().enumerate() {
[INFO] [stdout]    |                                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 78 |         for (i, layer) in auth_path.iter().enumerate() {
[INFO] [stdout]    |                                     ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 78 |         for (i, layer) in IntoIterator::into_iter(auth_path).enumerate() {
[INFO] [stdout]    |                           ++++++++++++++++++++++++         ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.33s
[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 1`
[INFO] running `Command { std: "docker" "inspect" "282abf0a03868e9935eef0247325c96f1edc8320964f101b77f54d89bcb34669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "282abf0a03868e9935eef0247325c96f1edc8320964f101b77f54d89bcb34669", kill_on_drop: false }`
[INFO] [stdout] 282abf0a03868e9935eef0247325c96f1edc8320964f101b77f54d89bcb34669
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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" "+beta-2023-04-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2915fb1de6b67fb67bc01abb2474ab841a14a9e275e4ddcfe6ef0988cae76ca4
[INFO] running `Command { std: "docker" "start" "-a" "2915fb1de6b67fb67bc01abb2474ab841a14a9e275e4ddcfe6ef0988cae76ca4", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> pairing/src/bls12_381/fq.rs:522:9
[INFO] [stderr]     |
[INFO] [stderr] 522 |         try!(write!(f, "0x"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> pairing/src/bls12_381/fq.rs:524:13
[INFO] [stderr]     |
[INFO] [stderr] 524 |             try!(write!(f, "{:016x}", *i));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> pairing/src/bls12_381/fr.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |         try!(write!(f, "0x"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> pairing/src/bls12_381/fr.rs:71:13
[INFO] [stderr]    |
[INFO] [stderr] 71 |             try!(write!(f, "{:016x}", *i));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> pairing/src/lib.rs:98:29
[INFO] [stderr]    |
[INFO] [stderr] 98 |     fn final_exponentiation(&Self::Fqk) -> Option<Self::Fqk>;
[INFO] [stderr]    |                             ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::Fqk`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]    --> pairing/src/lib.rs:555:18
[INFO] [stderr]     |
[INFO] [stderr] 555 |     fn from_repr(Self::Repr) -> Result<Self, PrimeFieldDecodingError>;
[INFO] [stderr]     |                  ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Repr`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> pairing/src/lib.rs:503:39
[INFO] [stderr]     |
[INFO] [stderr] 503 |             _ => write!(f, "{}", self.description()),
[INFO] [stderr]     |                                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stderr]    --> pairing/src/lib.rs:107:62
[INFO] [stderr]     |
[INFO] [stderr] 107 |             [(&(p.into().prepare()), &(q.into().prepare()))].into_iter(),
[INFO] [stderr]     |                                                              ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this changes meaning in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stderr]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stderr]     |
[INFO] [stderr] 107 |             [(&(p.into().prepare()), &(q.into().prepare()))].iter(),
[INFO] [stderr]     |                                                              ~~~~
[INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stderr]     |
[INFO] [stderr] 107 |             IntoIterator::into_iter([(&(p.into().prepare()), &(q.into().prepare()))]),
[INFO] [stderr]     |             ++++++++++++++++++++++++                                                ~
[INFO] [stderr] 
[INFO] [stderr] warning: `pairing` (lib) generated 8 warnings (run `cargo fix --lib -p pairing` to apply 3 suggestions)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> bellman/src/multiexp.rs:148:10
[INFO] [stderr]     |
[INFO] [stderr] 148 | ) -> Box<Future<Item=<G as CurveAffine>::Projective, Error=SynthesisError>>
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 148 | ) -> Box<dyn Future<Item=<G as CurveAffine>::Projective, Error=SynthesisError>>
[INFO] [stderr]     |          +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> bellman/src/multiexp.rs:242:10
[INFO] [stderr]     |
[INFO] [stderr] 242 | ) -> Box<Future<Item=<G as CurveAffine>::Projective, Error=SynthesisError>>
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 242 | ) -> Box<dyn Future<Item=<G as CurveAffine>::Projective, Error=SynthesisError>>
[INFO] [stderr]     |          +++
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> bellman/src/lib.rs:215:34
[INFO] [stderr]     |
[INFO] [stderr] 215 |             write!(f, "{}", self.description())
[INFO] [stderr]     |                                  ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stderr]   --> bellman/src/groth16/verifier.rs:64:11
[INFO] [stderr]    |
[INFO] [stderr] 64 |         ].into_iter())
[INFO] [stderr]    |           ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this changes meaning in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stderr]    |
[INFO] [stderr] 64 |         ].iter())
[INFO] [stderr]    |           ~~~~
[INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stderr]    |
[INFO] [stderr] 60 ~         &E::miller_loop(IntoIterator::into_iter([
[INFO] [stderr] 61 |             (&proof.a.prepare(), &proof.b.prepare()),
[INFO] [stderr] 62 |             (&acc.into_affine().prepare(), &pvk.neg_gamma_g2),
[INFO] [stderr] 63 |             (&proof.c.prepare(), &pvk.neg_delta_g2)
[INFO] [stderr] 64 ~         ]))
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `bellman` (lib) generated 4 warnings (run `cargo fix --lib -p bellman` to apply 3 suggestions)
[INFO] [stderr] warning: `bellman` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr] warning: `pairing` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> bellman/tests/mimc.rs:111:17
[INFO] [stderr]     |
[INFO] [stderr] 111 |             let mut tmp_value = xl_value.map(|mut e| {
[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]    --> bellman/tests/mimc.rs:116:17
[INFO] [stderr]     |
[INFO] [stderr] 116 |             let mut tmp = cs.alloc(|| "tmp", || {
[INFO] [stderr]     |                 ----^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> bellman/tests/mimc.rs:130:17
[INFO] [stderr]     |
[INFO] [stderr] 130 |             let mut new_xl_value = xl_value.map(|mut e| {
[INFO] [stderr]     |                 ----^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> bellman/tests/mimc.rs:137:17
[INFO] [stderr]     |
[INFO] [stderr] 137 |             let mut new_xl = if i == (MIMC_ROUNDS-1) {
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `bellman` (test "mimc") generated 4 warnings (run `cargo fix --test "mimc"` to apply 4 suggestions)
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> sapling-crypto/src/jubjub/fs.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         try!(write!(f, "0x"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> sapling-crypto/src/jubjub/fs.rs:55:13
[INFO] [stderr]    |
[INFO] [stderr] 55 |             try!(write!(f, "{:016x}", *i));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]    --> sapling-crypto/src/jubjub/mod.rs:130:34
[INFO] [stderr]     |
[INFO] [stderr] 130 |     fn circuit_generators(&self, FixedGenerators) -> &[Vec<(E::Fr, E::Fr)>];
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: FixedGenerators`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> sapling-crypto/src/jubjub/mod.rs:354:17
[INFO] [stderr]     |
[INFO] [stderr] 354 |             for mut gen in tmp_params.pedersen_hash_generators.iter().cloned() {
[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: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stderr]   --> sapling-crypto/src/circuit/sprout/input.rs:78:37
[INFO] [stderr]    |
[INFO] [stderr] 78 |         for (i, layer) in auth_path.into_iter().enumerate() {
[INFO] [stderr]    |                                     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this changes meaning in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stderr]    |
[INFO] [stderr] 78 |         for (i, layer) in auth_path.iter().enumerate() {
[INFO] [stderr]    |                                     ~~~~
[INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stderr]    |
[INFO] [stderr] 78 |         for (i, layer) in IntoIterator::into_iter(auth_path).enumerate() {
[INFO] [stderr]    |                           ++++++++++++++++++++++++         ~
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> sapling-crypto/src/circuit/uint32.rs:429:17
[INFO] [stderr]     |
[INFO] [stderr] 429 |             let mut v = (0..32).map(|_| Boolean::constant(rng.gen())).collect::<Vec<_>>();
[INFO] [stderr]     |                 ----^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> sapling-crypto/src/circuit/uint32.rs:460:17
[INFO] [stderr]     |
[INFO] [stderr] 460 |             let mut v = (0..32).map(|_| Boolean::constant(rng.gen())).collect::<Vec<_>>();
[INFO] [stderr]     |                 ----^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> sapling-crypto/src/circuit/pedersen_hash.rs:154:21
[INFO] [stderr]     |
[INFO] [stderr] 154 |                 let mut input: Vec<bool> = (0..length).map(|_| rng.gen()).collect();
[INFO] [stderr]     |                     ----^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `sapling-crypto` (lib) generated 5 warnings (run `cargo fix --lib -p sapling-crypto` to apply 3 suggestions)
[INFO] [stderr] warning: `sapling-crypto` (lib test) generated 8 warnings (5 duplicates) (run `cargo fix --lib -p sapling-crypto --tests` to apply 3 suggestions)
[INFO] [stderr] warning: function `read_fs` is never used
[INFO] [stderr]   --> zcash_proofs/src/sapling/prover.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn read_fs(from: &[u8]) -> FsRepr {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> zcash_proofs/src/sapling/prover.rs:170:9
[INFO] [stderr]     |
[INFO] [stderr] 170 |         ar.clone().into_repr().write_le(&mut ar_vec[0..32]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 170 |         let _ = ar.clone().into_repr().write_le(&mut ar_vec[0..32]);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> zcash_primitives/src/transaction/components.rs:16:33
[INFO] [stderr]    |
[INFO] [stderr] 16 | const GROTH_PROOF_SIZE: usize = (48 + 96 + 48);
[INFO] [stderr]    |                                 ^            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 16 - const GROTH_PROOF_SIZE: usize = (48 + 96 + 48);
[INFO] [stderr] 16 + const GROTH_PROOF_SIZE: usize = 48 + 96 + 48;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> zcash_primitives/src/transaction/components.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 | const PHGR_PROOF_SIZE: usize = (33 + 33 + 65 + 33 + 33 + 33 + 33 + 33);
[INFO] [stderr]    |                                ^                                     ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 18 - const PHGR_PROOF_SIZE: usize = (33 + 33 + 65 + 33 + 33 + 33 + 33 + 33);
[INFO] [stderr] 18 + const PHGR_PROOF_SIZE: usize = 33 + 33 + 65 + 33 + 33 + 33 + 33 + 33;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> zcash_primitives/src/lib.rs:16:38
[INFO] [stderr]    |
[INFO] [stderr] 16 |     static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
[INFO] [stderr]    |                                      ^^                  ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 16 -     static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
[INFO] [stderr] 16 +     static ref JUBJUB: JubjubBls12 = JubjubBls12::new();
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]   --> zcash_primitives/src/lib.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | / lazy_static! {
[INFO] [stderr] 16 | |     static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
[INFO] [stderr] 17 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> zcash_primitives/src/transaction/tests.rs:238:6
[INFO] [stderr]     |
[INFO] [stderr] 238 |     };
[INFO] [stderr]     |      ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]     --> zcash_primitives/src/transaction/tests.rs:1943:6
[INFO] [stderr]      |
[INFO] [stderr] 1943 |     };
[INFO] [stderr]      |      ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: `zcash_proofs` (lib) generated 2 warnings
[INFO] [stderr] warning: `zcash_primitives` (lib) generated 4 warnings (run `cargo fix --lib -p zcash_primitives` to apply 3 suggestions)
[INFO] [stderr] warning: `zcash_primitives` (lib test) generated 6 warnings (4 duplicates)
[INFO] [stderr] warning: `zcash_proofs` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> zip32/src/lib.rs:24:38
[INFO] [stderr]    |
[INFO] [stderr] 24 |     static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
[INFO] [stderr]    |                                      ^^                  ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 24 -     static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
[INFO] [stderr] 24 +     static ref JUBJUB: JubjubBls12 = JubjubBls12::new();
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]   --> zip32/src/lib.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | / lazy_static! {
[INFO] [stderr] 24 | |     static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
[INFO] [stderr] 25 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> zip32/src/lib.rs:737:10
[INFO] [stderr]     |
[INFO] [stderr] 737 |         };
[INFO] [stderr]     |          ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `zip32` (lib) generated 2 warnings (run `cargo fix --lib -p zip32` to apply 1 suggestion)
[INFO] [stderr] warning: `zip32` (lib test) generated 3 warnings (2 duplicates)
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> librustzcash/src/tests/key_components.rs:30:6
[INFO] [stderr]    |
[INFO] [stderr] 30 |     };
[INFO] [stderr]    |      ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> librustzcash/src/tests/notes.rs:22:6
[INFO] [stderr]    |
[INFO] [stderr] 22 |     };
[INFO] [stderr]    |      ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> librustzcash/src/tests/signatures.rs:20:6
[INFO] [stderr]    |
[INFO] [stderr] 20 |     };
[INFO] [stderr]    |      ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> librustzcash/src/tests/mod.rs:19:6
[INFO] [stderr]    |
[INFO] [stderr] 19 |     };
[INFO] [stderr]    |      ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> librustzcash/src/rustzcash.rs:80:38
[INFO] [stderr]    |
[INFO] [stderr] 80 |     static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
[INFO] [stderr]    |                                      ^^                  ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 80 -     static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
[INFO] [stderr] 80 +     static ref JUBJUB: JubjubBls12 = JubjubBls12::new();
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around pattern
[INFO] [stderr]     --> librustzcash/src/rustzcash.rs:1250:9
[INFO] [stderr]      |
[INFO] [stderr] 1250 |     let (party1_alpha): (FE) = serde_json::from_str(&data).unwrap();
[INFO] [stderr]      |         ^            ^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 1250 -     let (party1_alpha): (FE) = serde_json::from_str(&data).unwrap();
[INFO] [stderr] 1250 +     let party1_alpha: (FE) = serde_json::from_str(&data).unwrap();
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> librustzcash/src/rustzcash.rs:1250:25
[INFO] [stderr]      |
[INFO] [stderr] 1250 |     let (party1_alpha): (FE) = serde_json::from_str(&data).unwrap();
[INFO] [stderr]      |                         ^  ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 1250 -     let (party1_alpha): (FE) = serde_json::from_str(&data).unwrap();
[INFO] [stderr] 1250 +     let (party1_alpha): FE = serde_json::from_str(&data).unwrap();
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around pattern
[INFO] [stderr]     --> librustzcash/src/rustzcash.rs:1253:9
[INFO] [stderr]      |
[INFO] [stderr] 1253 |     let (_party2_alpha): (FE) = serde_json::from_str(&data).unwrap();
[INFO] [stderr]      |         ^             ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 1253 -     let (_party2_alpha): (FE) = serde_json::from_str(&data).unwrap();
[INFO] [stderr] 1253 +     let _party2_alpha: (FE) = serde_json::from_str(&data).unwrap();
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> librustzcash/src/rustzcash.rs:1253:26
[INFO] [stderr]      |
[INFO] [stderr] 1253 |     let (_party2_alpha): (FE) = serde_json::from_str(&data).unwrap();
[INFO] [stderr]      |                          ^  ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 1253 -     let (_party2_alpha): (FE) = serde_json::from_str(&data).unwrap();
[INFO] [stderr] 1253 +     let (_party2_alpha): FE = serde_json::from_str(&data).unwrap();
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sapling_crypto::jubjub::JubjubBls12 as jjbls12_l`
[INFO] [stderr]     --> librustzcash/src/rustzcash.rs:1564:5
[INFO] [stderr]      |
[INFO] [stderr] 1564 | use sapling_crypto::jubjub::JubjubBls12 as jjbls12_l;
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]   --> librustzcash/src/rustzcash.rs:79:1
[INFO] [stderr]    |
[INFO] [stderr] 79 | / lazy_static! {
[INFO] [stderr] 80 | |     static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
[INFO] [stderr] 81 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `librustzcash` (lib test) generated 11 warnings (run `cargo fix --lib -p librustzcash --tests` to apply 6 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[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 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bellman-398f556db786bf12)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test multicore::test_log2_floor ... ok
[INFO] [stdout] test groth16::tests::test_xordemo ... ok
[INFO] [stdout] test domain::parallel_fft_consistency ... ok
[INFO] [stdout] test domain::fft_composition ... ok
[INFO] [stdout] test groth16::test_with_bls12_381::serialization ... ok
[INFO] [stdout] test domain::polynomial_arith ... ok
[INFO] [stdout] test multiexp::test_with_bls12 has been running for over 60 seconds
[INFO] [stdout] test multiexp::test_with_bls12 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 164.04s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/mimc.rs (/opt/rustwide/target/debug/deps/mimc-ac47629485482e0b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_mimc ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 50.22s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/rustzcash.rs (/opt/rustwide/target/debug/deps/rustzcash-c91ad96a6d4472b4)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test_gen_r ... ok
[INFO] [stdout] test equihash::tests::equihash_test_cases ... ok
[INFO] [stdout] test tests::sapling_generators ... ok
[INFO] [stdout] test tests::key_agreement::test_key_agreement ... ok
[INFO] [stdout] test tests::notes::notes ... ok
[INFO] [stdout] test tests::signatures::redjubjub_signatures ... ok
[INFO] [stdout] test tests::key_components::key_components ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::key_components::key_components stdout ----
[INFO] [stdout] thread 'tests::key_components::key_components' panicked at 'Unable to save !: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', librustzcash/src/rustzcash.rs:448:53
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x558f09aedaea - std::backtrace_rs::backtrace::libunwind::trace::h2f05d0192276a8f6
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x558f09aedaea - std::backtrace_rs::backtrace::trace_unsynchronized::hedc23dff7a1af150
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x558f09aedaea - std::sys_common::backtrace::_print_fmt::h17541ef7592f3ce2
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stdout]    3:     0x558f09aedaea - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h20f75df5ab0c0792
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x558f09b117ff - core::fmt::write::h78109e6f466b3af6
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/fmt/mod.rs:1254:17
[INFO] [stdout]    5:     0x558f09aeae35 - std::io::Write::write_fmt::hd24bfb68a1b35a25
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/io/mod.rs:1698:15
[INFO] [stdout]    6:     0x558f09aed8b5 - std::sys_common::backtrace::_print::h8dac57a9f8fbf9a5
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    7:     0x558f09aed8b5 - std::sys_common::backtrace::print::hf9ecbf41d1aa712f
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    8:     0x558f09aef56e - std::panicking::default_hook::{{closure}}::h04c07acfc84ca028
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:269:22
[INFO] [stdout]    9:     0x558f09aef2a1 - std::panicking::default_hook::h01f6bb23e1eceb2c
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:285:9
[INFO] [stdout]   10:     0x558f099dca7b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h87fe9f7b2fd49e4c
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   11:     0x558f099dca7b - test::test_main::{{closure}}::he94d679243a7531b
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x558f09aefc54 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h3f2d6d8b14c4769f
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   13:     0x558f09aefc54 - std::panicking::rust_panic_with_hook::h2bb3722bbaf2f6df
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:695:13
[INFO] [stdout]   14:     0x558f09aef9c9 - std::panicking::begin_panic_handler::{{closure}}::h91bc7f36a4be011b
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:582:13
[INFO] [stdout]   15:     0x558f09aedf56 - std::sys_common::backtrace::__rust_end_short_backtrace::h8b3d3717114f9e59
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:150:18
[INFO] [stdout]   16:     0x558f09aef722 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:578:5
[INFO] [stdout]   17:     0x558f09970ba3 - core::panicking::panic_fmt::hfd368e3fbdabea26
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/panicking.rs:67:14
[INFO] [stdout]   18:     0x558f099710e3 - core::result::unwrap_failed::he54eb4b2f125b26f
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/result.rs:1687:5
[INFO] [stdout]   19:     0x558f09a2d86f - core::result::Result<T,E>::expect::h34ff3080ba4b9a39
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/result.rs:1046:23
[INFO] [stdout]   20:     0x558f09979503 - librustzcash_ask_to_ak
[INFO] [stdout]                                at /opt/rustwide/workdir/librustzcash/src/rustzcash.rs:448:9
[INFO] [stdout]   21:     0x558f099a2b50 - rustzcash::tests::key_components::key_components::h3956c2c031c28ec6
[INFO] [stdout]                                at /opt/rustwide/workdir/librustzcash/src/tests/key_components.rs:613:13
[INFO] [stdout]   22:     0x558f0999a1f7 - rustzcash::tests::key_components::key_components::{{closure}}::hfffeac59e907147c
[INFO] [stdout]                                at /opt/rustwide/workdir/librustzcash/src/tests/key_components.rs:15:21
[INFO] [stdout]   23:     0x558f0997ce25 - core::ops::function::FnOnce::call_once::hce29b4fdd20ab1fb
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x558f099e194f - core::ops::function::FnOnce::call_once::ha6a70e79f7481a7e
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x558f099e194f - test::__rust_begin_short_backtrace::hce33033019b61e69
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:655:18
[INFO] [stdout]   26:     0x558f099af13c - test::run_test::{{closure}}::h858d3528838ae3e5
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:646:30
[INFO] [stdout]   27:     0x558f099af13c - core::ops::function::FnOnce::call_once{{vtable.shim}}::he8ac2b00f01ae79e
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x558f099e0a26 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h8093d25b522725ef
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1973:9
[INFO] [stdout]   29:     0x558f099e0a26 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5c334c204e4a3913
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   30:     0x558f099e0a26 - std::panicking::try::do_call::ha8b740c7b9478074
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:485:40
[INFO] [stdout]   31:     0x558f099e0a26 - std::panicking::try::h5d34f63d0e41b64e
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:449:19
[INFO] [stdout]   32:     0x558f099e0a26 - std::panic::catch_unwind::hcfbb511e1aa7fc67
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panic.rs:140:14
[INFO] [stdout]   33:     0x558f099e0a26 - test::run_test_in_process::h9abda90f802eaf21
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:678:27
[INFO] [stdout]   34:     0x558f099e0a26 - test::run_test::run_test_inner::{{closure}}::h0f058de91f6c6edf
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:572:39
[INFO] [stdout]   35:     0x558f099a9945 - test::run_test::run_test_inner::{{closure}}::h5ca48a4c59c6c1fb
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:599:37
[INFO] [stdout]   36:     0x558f099a9945 - std::sys_common::backtrace::__rust_begin_short_backtrace::h32bd51e1495d4a33
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:134:18
[INFO] [stdout]   37:     0x558f099aee81 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc086fae9b128b2db
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/thread/mod.rs:526:17
[INFO] [stdout]   38:     0x558f099aee81 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb66571888d270d43
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   39:     0x558f099aee81 - std::panicking::try::do_call::h4fa2ef4f6e51fecf
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:485:40
[INFO] [stdout]   40:     0x558f099aee81 - std::panicking::try::h1e9e22b8584489b5
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:449:19
[INFO] [stdout]   41:     0x558f099aee81 - std::panic::catch_unwind::h44698a3de0e0769e
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panic.rs:140:14
[INFO] [stdout]   42:     0x558f099aee81 - std::thread::Builder::spawn_unchecked_::{{closure}}::h50153abde3fe239e
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/thread/mod.rs:525:30
[INFO] [stdout]   43:     0x558f099aee81 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hbe5bbf6f38394364
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   44:     0x558f09af4135 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h0d83cb2920a49046
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1973:9
[INFO] [stdout]   45:     0x558f09af4135 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hbe0a008aa7d9ef59
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1973:9
[INFO] [stdout]   46:     0x558f09af4135 - std::sys::unix::thread::Thread::new::thread_start::h3a466996bdf6b1f9
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   47:     0x7f34c93e0b43 - <unknown>
[INFO] [stdout]   48:     0x7f34c9471bb4 - __clone
[INFO] [stdout]   49:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::key_components::key_components
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.51s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `-p librustzcash --lib`
[INFO] running `Command { std: "docker" "inspect" "2915fb1de6b67fb67bc01abb2474ab841a14a9e275e4ddcfe6ef0988cae76ca4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2915fb1de6b67fb67bc01abb2474ab841a14a9e275e4ddcfe6ef0988cae76ca4", kill_on_drop: false }`
[INFO] [stdout] 2915fb1de6b67fb67bc01abb2474ab841a14a9e275e4ddcfe6ef0988cae76ca4
