[INFO] cloning repository https://github.com/Karthigasrini/librustzcash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Karthigasrini/librustzcash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKarthigasrini%2Flibrustzcash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKarthigasrini%2Flibrustzcash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 69909c3fa2ce739615c0725dd52aa61dd586f93b
[INFO] checking Karthigasrini/librustzcash against e3d12f3322cb00126b2208c6b9df3ac4467951f5 for pr-159706
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKarthigasrini%2Flibrustzcash" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Karthigasrini/librustzcash
[INFO] finished tweaking git repo https://github.com/Karthigasrini/librustzcash
[INFO] tweaked toml for git repo https://github.com/Karthigasrini/librustzcash written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Karthigasrini/librustzcash on toolchain e3d12f3322cb00126b2208c6b9df3ac4467951f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Karthigasrini/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" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: ff/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `ff` (manifest) generated 1 warning
[INFO] [stderr] warning: ff/ff_derive/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `ff_derive` (manifest) generated 1 warning
[INFO] [stderr] warning: bellman/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `bellman` (manifest) generated 1 warning
[INFO] [stderr] warning: pairing/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `pairing` (manifest) generated 1 warning
[INFO] [stderr] warning: librustzcash/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `librustzcash` (manifest) generated 1 warning
[INFO] [stderr] warning: group/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `group` (manifest) generated 1 warning
[INFO] [stderr] warning: sapling-crypto/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `sapling-crypto` (manifest) generated 1 warning
[INFO] [stderr] warning: zcash_primitives/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `zcash_primitives` (manifest) generated 1 warning
[INFO] [stderr] warning: zcash_proofs/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `zcash_proofs` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking Karthigasrini/librustzcash against e3d12f3322cb00126b2208c6b9df3ac4467951f5 for pr-159706
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKarthigasrini%2Flibrustzcash" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Karthigasrini/librustzcash
[INFO] finished tweaking git repo https://github.com/Karthigasrini/librustzcash
[INFO] tweaked toml for git repo https://github.com/Karthigasrini/librustzcash written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Karthigasrini/librustzcash on toolchain e3d12f3322cb00126b2208c6b9df3ac4467951f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Karthigasrini/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" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: ff/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `ff` (manifest) generated 1 warning
[INFO] [stderr] warning: ff/ff_derive/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `ff_derive` (manifest) generated 1 warning
[INFO] [stderr] warning: bellman/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `bellman` (manifest) generated 1 warning
[INFO] [stderr] warning: pairing/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `pairing` (manifest) generated 1 warning
[INFO] [stderr] warning: librustzcash/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `librustzcash` (manifest) generated 1 warning
[INFO] [stderr] warning: group/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `group` (manifest) generated 1 warning
[INFO] [stderr] warning: sapling-crypto/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `sapling-crypto` (manifest) generated 1 warning
[INFO] [stderr] warning: zcash_primitives/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `zcash_primitives` (manifest) generated 1 warning
[INFO] [stderr] warning: zcash_proofs/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `zcash_proofs` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sha2 v0.8.0
[INFO] [stderr]   Downloaded generic-array v0.12.0
[INFO] [stderr]   Downloaded digest v0.8.0
[INFO] [stderr]   Downloaded opaque-debug v0.2.2
[INFO] [stderr]   Downloaded typenum v1.10.0
[INFO] [stderr]   Downloaded proc-macro2 v0.4.14
[INFO] [stderr]   Downloaded hex-literal-impl v0.1.1
[INFO] [stderr]   Downloaded digest v0.7.2
[INFO] [stderr]   Downloaded fpe v0.1.0
[INFO] [stderr]   Downloaded rand_os v0.2.0
[INFO] [stderr]   Downloaded hex-literal v0.1.1
[INFO] [stderr]   Downloaded bech32 v0.6.0
[INFO] [stderr]   Downloaded rand_chacha v0.2.0
[INFO] [stderr]   Downloaded proc-macro-hack-impl v0.4.0
[INFO] [stderr]   Downloaded nodrop v0.1.12
[INFO] [stderr]   Downloaded block-padding v0.1.2
[INFO] [stderr]   Downloaded quote v0.6.8
[INFO] [stderr]   Downloaded constant_time_eq v0.1.3
[INFO] [stderr]   Downloaded block-cipher-trait v0.5.3
[INFO] [stderr]   Downloaded opaque-debug v0.1.1
[INFO] [stderr]   Downloaded rand_xorshift v0.2.0
[INFO] [stderr]   Downloaded autocfg v0.1.4
[INFO] [stderr]   Downloaded generic-array v0.9.0
[INFO] [stderr]   Downloaded stream-cipher v0.1.1
[INFO] [stderr]   Downloaded crypto_api v0.2.2
[INFO] [stderr]   Downloaded byte-tools v0.3.0
[INFO] [stderr]   Downloaded arrayref v0.3.5
[INFO] [stderr]   Downloaded c2-chacha v0.2.2
[INFO] [stderr]   Downloaded spin v0.5.0
[INFO] [stderr]   Downloaded num_cpus v1.8.0
[INFO] [stderr]   Downloaded block-buffer v0.7.0
[INFO] [stderr]   Downloaded getrandom v0.1.6
[INFO] [stderr]   Downloaded proc-macro-hack v0.4.0
[INFO] [stderr]   Downloaded bit-vec v0.4.4
[INFO] [stderr]   Downloaded hex v0.3.2
[INFO] [stderr]   Downloaded byteorder v1.2.2
[INFO] [stderr]   Downloaded rand_core v0.5.0
[INFO] [stderr]   Downloaded crypto_api_chachapoly v0.1.8
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.5
[INFO] [stderr]   Downloaded num-traits v0.2.5
[INFO] [stderr]   Downloaded arrayvec v0.4.10
[INFO] [stderr]   Downloaded blake2b_simd v0.5.1
[INFO] [stderr]   Downloaded crossbeam v0.3.2
[INFO] [stderr]   Downloaded blake2s_simd v0.5.1
[INFO] [stderr]   Downloaded num-bigint v0.2.0
[INFO] [stderr]   Downloaded futures v0.1.21
[INFO] [stderr]   Downloaded aes v0.2.0
[INFO] [stderr]   Downloaded aesni v0.4.1
[INFO] [stderr]   Downloaded rand v0.7.0
[INFO] [stderr]   Downloaded aes-soft v0.2.0
[INFO] [stderr]   Downloaded syn v0.14.9
[INFO] [stderr]   Downloaded libc v0.2.59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4e4e12fc451f8d2cd70a2580cebe924eb63ae827acb29eaeafc76326a210ffa8
[INFO] running `Command { std: "docker" "start" "4e4e12fc451f8d2cd70a2580cebe924eb63ae827acb29eaeafc76326a210ffa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e4e12fc451f8d2cd70a2580cebe924eb63ae827acb29eaeafc76326a210ffa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4e4e12fc451f8d2cd70a2580cebe924eb63ae827acb29eaeafc76326a210ffa8" "/opt/rustwide/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e4e12fc451f8d2cd70a2580cebe924eb63ae827acb29eaeafc76326a210ffa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4e4e12fc451f8d2cd70a2580cebe924eb63ae827acb29eaeafc76326a210ffa8" "/opt/rustwide/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: bellman/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `bellman` (manifest) generated 1 warning
[INFO] [stderr] warning: pairing/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `pairing` (manifest) generated 1 warning
[INFO] [stderr] warning: librustzcash/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `librustzcash` (manifest) generated 1 warning
[INFO] [stderr] warning: group/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `group` (manifest) generated 1 warning
[INFO] [stderr] warning: ff/ff_derive/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `ff_derive` (manifest) generated 1 warning
[INFO] [stderr] warning: sapling-crypto/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `sapling-crypto` (manifest) generated 1 warning
[INFO] [stderr] warning: zcash_primitives/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `zcash_primitives` (manifest) generated 1 warning
[INFO] [stderr] warning: zcash_proofs/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `zcash_proofs` (manifest) generated 1 warning
[INFO] [stderr] warning: ff/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `ff` (manifest) generated 1 warning
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]    Compiling proc-macro2 v0.4.14
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]    Compiling num-bigint v0.2.0
[INFO] [stderr]     Checking byteorder v1.2.2
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking futures v0.1.21
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking byte-tools v0.3.0
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking opaque-debug v0.2.2
[INFO] [stderr]     Checking block-padding v0.1.2
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.1.1
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking crypto_api v0.2.2
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.0
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking bech32 v0.6.0
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]     Checking crypto_api_chachapoly v0.1.8
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]    Compiling proc-macro-hack v0.4.0
[INFO] [stderr]    Compiling hex-literal-impl v0.1.1
[INFO] [stderr]     Checking getrandom v0.1.6
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking quote v0.6.8
[INFO] [stderr]     Checking blake2s_simd v0.5.1
[INFO] [stderr]     Checking blake2b_simd v0.5.1
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking syn v0.14.9
[INFO] [stderr]     Checking hex-literal v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking rand_os v0.2.0
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking digest v0.7.2
[INFO] [stderr]     Checking block-cipher-trait v0.5.3
[INFO] [stderr]     Checking block-buffer v0.7.0
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]     Checking aes-soft v0.2.0
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking aes v0.2.0
[INFO] [stderr]     Checking fpe v0.1.0
[INFO] [stderr]     Checking ff_derive v0.3.0 (/opt/rustwide/workdir/ff/ff_derive)
[INFO] [stderr]     Checking ff v0.4.0 (/opt/rustwide/workdir/ff)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> ff/src/lib.rs:269:18
[INFO] [stdout]     |
[INFO] [stdout] 269 |     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 <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> ff/src/lib.rs:269:18
[INFO] [stdout]     |
[INFO] [stdout] 269 |     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 <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking group v0.1.0 (/opt/rustwide/workdir/group)
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> group/src/lib.rs:188:39
[INFO] [stdout]     |
[INFO] [stdout] 188 |             _ => 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]    --> group/src/lib.rs:188:39
[INFO] [stdout]     |
[INFO] [stdout] 188 |             _ => write!(f, "{}", self.description()),
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking pairing v0.14.2 (/opt/rustwide/workdir/pairing)
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> pairing/src/lib.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![cfg_attr(feature = "cargo-clippy", deny(warnings))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default`, `expose-arith`, and `unstable-features`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> pairing/src/lib.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![cfg_attr(feature = "cargo-clippy", allow(inline_always))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default`, `expose-arith`, and `unstable-features`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> pairing/src/lib.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(feature = "cargo-clippy", allow(too_many_arguments))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default`, `expose-arith`, and `unstable-features`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> pairing/src/lib.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![cfg_attr(feature = "cargo-clippy", allow(unreadable_literal))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default`, `expose-arith`, and `unstable-features`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> pairing/src/lib.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![cfg_attr(feature = "cargo-clippy", allow(many_single_char_names))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default`, `expose-arith`, and `unstable-features`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> pairing/src/lib.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![cfg_attr(feature = "cargo-clippy", allow(new_without_default_derive))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default`, `expose-arith`, and `unstable-features`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> pairing/src/lib.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![cfg_attr(feature = "cargo-clippy", allow(write_literal))]
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `expose-arith`, and `unstable-features`
[INFO] [stdout]    = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[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:94:29
[INFO] [stdout]    |
[INFO] [stdout] 94 |     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 <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> pairing/src/lib.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![cfg_attr(feature = "cargo-clippy", deny(warnings))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default`, `expose-arith`, and `unstable-features`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> pairing/src/lib.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![cfg_attr(feature = "cargo-clippy", allow(inline_always))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default`, `expose-arith`, and `unstable-features`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> pairing/src/lib.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(feature = "cargo-clippy", allow(too_many_arguments))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default`, `expose-arith`, and `unstable-features`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> pairing/src/lib.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![cfg_attr(feature = "cargo-clippy", allow(unreadable_literal))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default`, `expose-arith`, and `unstable-features`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> pairing/src/lib.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![cfg_attr(feature = "cargo-clippy", allow(many_single_char_names))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default`, `expose-arith`, and `unstable-features`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> pairing/src/lib.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![cfg_attr(feature = "cargo-clippy", allow(new_without_default_derive))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default`, `expose-arith`, and `unstable-features`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> pairing/src/lib.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![cfg_attr(feature = "cargo-clippy", allow(write_literal))]
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `expose-arith`, and `unstable-features`
[INFO] [stdout]    = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[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:94:29
[INFO] [stdout]    |
[INFO] [stdout] 94 |     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 <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) 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]    --> pairing/src/lib.rs:103:62
[INFO] [stdout]     |
[INFO] [stdout] 103 |             [(&(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/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 103 -             [(&(p.into().prepare()), &(q.into().prepare()))].into_iter(),
[INFO] [stdout] 103 +             [(&(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] 103 -             [(&(p.into().prepare()), &(q.into().prepare()))].into_iter(),
[INFO] [stdout] 103 +             IntoIterator::into_iter([(&(p.into().prepare()), &(q.into().prepare()))]),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking bellman v0.1.0 (/opt/rustwide/workdir/bellman)
[INFO] [stdout] error[E0463]: can't find crate for `rand`
[INFO] [stdout]  --> pairing/benches/pairing_benches.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate rand;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pairing` (bench "pairing_benches") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> bellman/src/multiexp.rs:142:10
[INFO] [stdout]     |
[INFO] [stdout] 142 | ) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 142 | ) -> 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:236:10
[INFO] [stdout]     |
[INFO] [stdout] 236 | ) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 236 | ) -> 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:142:10
[INFO] [stdout]     |
[INFO] [stdout] 142 | ) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 142 | ) -> 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:236:10
[INFO] [stdout]     |
[INFO] [stdout] 236 | ) -> 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 236 | ) -> 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:227:34
[INFO] [stdout]     |
[INFO] [stdout] 227 |             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]    --> pairing/src/lib.rs:103:62
[INFO] [stdout]     |
[INFO] [stdout] 103 |             [(&(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/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 103 -             [(&(p.into().prepare()), &(q.into().prepare()))].into_iter(),
[INFO] [stdout] 103 +             [(&(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] 103 -             [(&(p.into().prepare()), &(q.into().prepare()))].into_iter(),
[INFO] [stdout] 103 +             IntoIterator::into_iter([(&(p.into().prepare()), &(q.into().prepare()))]),
[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:227:34
[INFO] [stdout]     |
[INFO] [stdout] 227 |             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:61:11
[INFO] [stdout]    |
[INFO] [stdout] 61 |         ].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/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 61 -         ].into_iter())
[INFO] [stdout] 61 +         ].iter())
[INFO] [stdout]    |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 57 ~         &E::miller_loop(IntoIterator::into_iter([
[INFO] [stdout] 58 |             (&proof.a.prepare(), &proof.b.prepare()),
[INFO] [stdout] 59 |             (&acc.into_affine().prepare(), &pvk.neg_gamma_g2),
[INFO] [stdout] 60 |             (&proof.c.prepare(), &pvk.neg_delta_g2)
[INFO] [stdout] 61 ~         ]))
[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:61:11
[INFO] [stdout]    |
[INFO] [stdout] 61 |         ].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/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 61 -         ].into_iter())
[INFO] [stdout] 61 +         ].iter())
[INFO] [stdout]    |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 57 ~         &E::miller_loop(IntoIterator::into_iter([
[INFO] [stdout] 58 |             (&proof.a.prepare(), &proof.b.prepare()),
[INFO] [stdout] 59 |             (&acc.into_affine().prepare(), &pvk.neg_gamma_g2),
[INFO] [stdout] 60 |             (&proof.c.prepare(), &pvk.neg_delta_g2)
[INFO] [stdout] 61 ~         ]))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4e4e12fc451f8d2cd70a2580cebe924eb63ae827acb29eaeafc76326a210ffa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e4e12fc451f8d2cd70a2580cebe924eb63ae827acb29eaeafc76326a210ffa8", kill_on_drop: false }`
[INFO] [stdout] 4e4e12fc451f8d2cd70a2580cebe924eb63ae827acb29eaeafc76326a210ffa8
