[INFO] cloning repository https://github.com/zhangzhongjun/indy-accumulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhangzhongjun/indy-accumulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhangzhongjun%2Findy-accumulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhangzhongjun%2Findy-accumulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6e05e791eafcce36b58057a73e58b022308ca03
[INFO] checking zhangzhongjun/indy-accumulator against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhangzhongjun%2Findy-accumulator" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zhangzhongjun/indy-accumulator on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zhangzhongjun/indy-accumulator
[INFO] finished tweaking git repo https://github.com/zhangzhongjun/indy-accumulator
[INFO] tweaked toml for git repo https://github.com/zhangzhongjun/indy-accumulator written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/zhangzhongjun/indy-accumulator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-11/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded int_traits v0.1.1
[INFO] [stderr]   Downloaded sha3 v0.7.3
[INFO] [stderr]   Downloaded amcl v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b002986863246c6f03fb0e1b6c03117bfba0e3a8adae95670789f2052f65b5aa
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b002986863246c6f03fb0e1b6c03117bfba0e3a8adae95670789f2052f65b5aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b002986863246c6f03fb0e1b6c03117bfba0e3a8adae95670789f2052f65b5aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b002986863246c6f03fb0e1b6c03117bfba0e3a8adae95670789f2052f65b5aa", kill_on_drop: false }`
[INFO] [stdout] b002986863246c6f03fb0e1b6c03117bfba0e3a8adae95670789f2052f65b5aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5db41a9f9834ca90a5e6acaab12bd1f5b21353a39e0e8ab7af2cd2ac62dd14a4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5db41a9f9834ca90a5e6acaab12bd1f5b21353a39e0e8ab7af2cd2ac62dd14a4", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]    Compiling syn v1.0.43
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking keccak v0.1.0
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[INFO] [stderr]     Checking itoa v0.4.6
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[INFO] [stderr]     Checking int_traits v0.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
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[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking serde_json v1.0.58
[INFO] [stderr]     Checking generic-array v0.9.0
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[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking indy-crypto v0.4.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | #[macro_use]
[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]    --> src/errors/mod.rs:143:32
[INFO] [stdout]     |
[INFO] [stdout] 143 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/accumulator/datastructures.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / macro_rules! btreeset {
[INFO] [stdout] 26 | |     ( $( $x:expr ),* ) => {
[INFO] [stdout] 27 | |         {
[INFO] [stdout] 28 | |             let mut set = ::std::collections::BTreeSet::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 34 | |     }
[INFO] [stdout] 35 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/accumulator/datastructures.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | / macro_rules! btreemap {
[INFO] [stdout] 38 | |     ($( $key: expr => $val: expr ),*) => {
[INFO] [stdout] 39 | |         {
[INFO] [stdout] 40 | |             let mut map = ::std::collections::BTreeMap::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |     }
[INFO] [stdout] 47 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BIGNUMBER_1`
[INFO] [stdout]  --> src/accumulator/helpers.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bn::{BigNumber, BIGNUMBER_1};
[INFO] [stdout]   |                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `accumulator::constants::*`
[INFO] [stdout]  --> src/accumulator/issuer.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use accumulator::constants::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `accumulator::commitment::get_pedersen_commitment`
[INFO] [stdout]  --> src/accumulator/issuer.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use accumulator::commitment::get_pedersen_commitment;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]   --> src/accumulator/issuer.rs:10:24
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]    |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/accumulator/issuer.rs:94:56
[INFO] [stdout]    |
[INFO] [stdout] 94 | ...                   rev_tails_accessor: &RevocationTailsAccessor, )
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RevocationTailsAccessor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/accumulator/issuer.rs:124:51
[INFO] [stdout]     |
[INFO] [stdout] 124 | ...                   rev_tails_accessor: &RevocationTailsAccessor, )
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RevocationTailsAccessor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `accumulator::constants::*`
[INFO] [stdout]  --> src/accumulator/prover.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use accumulator::constants::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `accumulator::commitment::get_pedersen_commitment`
[INFO] [stdout]  --> src/accumulator/prover.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use accumulator::commitment::get_pedersen_commitment;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `accumulator::hash::get_hash_as_int`
[INFO] [stdout]  --> src/accumulator/prover.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use accumulator::hash::get_hash_as_int;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BTreeMap`, `BTreeSet`, `HashSet`
[INFO] [stdout]   --> src/accumulator/prover.rs:10:24
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::{HashSet, BTreeMap, BTreeSet};
[INFO] [stdout]    |                        ^^^^^^^  ^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::FromIterator`
[INFO] [stdout]   --> src/accumulator/prover.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::iter::FromIterator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ITERATION`, `LARGE_E_START_VALUE`
[INFO] [stdout]  --> src/accumulator/verifier.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use accumulator::constants::{LARGE_E_START_VALUE, ITERATION};
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeSet`
[INFO] [stdout]  --> src/accumulator/verifier.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::collections::BTreeSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::FromIterator`
[INFO] [stdout]  --> src/accumulator/verifier.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/accumulator/mod.rs:177:56
[INFO] [stdout]     |
[INFO] [stdout] 177 |     fn access_tail(&self, tail_id: u32, accessor: &mut FnMut(&Tail)) -> Result<(), IndyCryptoError>;
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Tail)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/accumulator/mod.rs:187:56
[INFO] [stdout]     |
[INFO] [stdout] 187 |     fn access_tail(&self, tail_id: u32, accessor: &mut FnMut(&Tail)) -> Result<(), IndyCryptoError> {
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Tail)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors/mod.rs:143:32
[INFO] [stdout]     |
[INFO] [stdout] 143 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/accumulator/datastructures.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / macro_rules! btreeset {
[INFO] [stdout] 26 | |     ( $( $x:expr ),* ) => {
[INFO] [stdout] 27 | |         {
[INFO] [stdout] 28 | |             let mut set = ::std::collections::BTreeSet::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 34 | |     }
[INFO] [stdout] 35 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/accumulator/datastructures.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | / macro_rules! btreemap {
[INFO] [stdout] 38 | |     ($( $key: expr => $val: expr ),*) => {
[INFO] [stdout] 39 | |         {
[INFO] [stdout] 40 | |             let mut map = ::std::collections::BTreeMap::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |     }
[INFO] [stdout] 47 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BIGNUMBER_1`
[INFO] [stdout]  --> src/accumulator/helpers.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bn::{BigNumber, BIGNUMBER_1};
[INFO] [stdout]   |                     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `accumulator::constants::*`
[INFO] [stdout]  --> src/accumulator/issuer.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use accumulator::constants::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `accumulator::commitment::get_pedersen_commitment`
[INFO] [stdout]  --> src/accumulator/issuer.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use accumulator::commitment::get_pedersen_commitment;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]   --> src/accumulator/issuer.rs:10:24
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]    |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/accumulator/issuer.rs:94:56
[INFO] [stdout]    |
[INFO] [stdout] 94 | ...                   rev_tails_accessor: &RevocationTailsAccessor, )
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RevocationTailsAccessor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/accumulator/issuer.rs:124:51
[INFO] [stdout]     |
[INFO] [stdout] 124 | ...                   rev_tails_accessor: &RevocationTailsAccessor, )
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RevocationTailsAccessor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `accumulator::constants::*`
[INFO] [stdout]  --> src/accumulator/prover.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use accumulator::constants::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `accumulator::commitment::get_pedersen_commitment`
[INFO] [stdout]  --> src/accumulator/prover.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use accumulator::commitment::get_pedersen_commitment;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `accumulator::hash::get_hash_as_int`
[INFO] [stdout]  --> src/accumulator/prover.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use accumulator::hash::get_hash_as_int;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BTreeMap`, `BTreeSet`, `HashSet`
[INFO] [stdout]   --> src/accumulator/prover.rs:10:24
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::{HashSet, BTreeMap, BTreeSet};
[INFO] [stdout]    |                        ^^^^^^^  ^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::FromIterator`
[INFO] [stdout]   --> src/accumulator/prover.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::iter::FromIterator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ITERATION`, `LARGE_E_START_VALUE`
[INFO] [stdout]  --> src/accumulator/verifier.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use accumulator::constants::{LARGE_E_START_VALUE, ITERATION};
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json`
[INFO] [stdout]    --> src/accumulator/mod.rs:684:9
[INFO] [stdout]     |
[INFO] [stdout] 684 |     use serde_json;
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeSet`
[INFO] [stdout]  --> src/accumulator/verifier.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::collections::BTreeSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::FromIterator`
[INFO] [stdout]  --> src/accumulator/verifier.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `accumulator::hash::get_hash_as_int`
[INFO] [stdout]   --> src/accumulator/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use accumulator::hash::get_hash_as_int;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/accumulator/mod.rs:177:56
[INFO] [stdout]     |
[INFO] [stdout] 177 |     fn access_tail(&self, tail_id: u32, accessor: &mut FnMut(&Tail)) -> Result<(), IndyCryptoError>;
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Tail)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/accumulator/mod.rs:187:56
[INFO] [stdout]     |
[INFO] [stdout] 187 |     fn access_tail(&self, tail_id: u32, accessor: &mut FnMut(&Tail)) -> Result<(), IndyCryptoError> {
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Tail)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bn/openssl.rs:474:47
[INFO] [stdout]     |
[INFO] [stdout] 474 |         IndyCryptoError::InvalidStructure(err.description().to_string())
[INFO] [stdout]     |                                               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/errors/mod.rs:135:54
[INFO] [stdout]     |
[INFO] [stdout] 135 |             IndyCryptoError::IOError(ref err) => err.description(),
[INFO] [stdout]     |                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bn/openssl.rs:474:47
[INFO] [stdout]     |
[INFO] [stdout] 474 |         IndyCryptoError::InvalidStructure(err.description().to_string())
[INFO] [stdout]     |                                               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/errors/mod.rs:196:43
[INFO] [stdout]     |
[INFO] [stdout] 196 |         IndyCryptoError::InvalidState(err.description().to_owned())
[INFO] [stdout]     |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/errors/mod.rs:135:54
[INFO] [stdout]     |
[INFO] [stdout] 135 |             IndyCryptoError::IOError(ref err) => err.description(),
[INFO] [stdout]     |                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/errors/mod.rs:196:43
[INFO] [stdout]     |
[INFO] [stdout] 196 |         IndyCryptoError::InvalidState(err.description().to_owned())
[INFO] [stdout]     |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_pedersen_commitment`
[INFO] [stdout]   --> src/accumulator/commitment.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn get_pedersen_commitment(gen_1: &BigNumber, m: &BigNumber,
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `LARGE_MASTER_SECRET`
[INFO] [stdout]  --> src/accumulator/constants.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const LARGE_MASTER_SECRET: usize = 256;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `LARGE_PRIME`
[INFO] [stdout]  --> src/accumulator/constants.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const LARGE_PRIME: usize = 1024;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `LARGE_VPRIME`
[INFO] [stdout]  --> src/accumulator/constants.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const LARGE_VPRIME: usize = 2128;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `LARGE_MVECT`
[INFO] [stdout]  --> src/accumulator/constants.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub const LARGE_MVECT: usize = 592;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `LARGE_ETILDE`
[INFO] [stdout]   --> src/accumulator/constants.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub const LARGE_ETILDE: usize = 456;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `LARGE_VTILDE`
[INFO] [stdout]   --> src/accumulator/constants.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const LARGE_VTILDE: usize = 3060;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `LARGE_UTILDE`
[INFO] [stdout]   --> src/accumulator/constants.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub const LARGE_UTILDE: usize = 592;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `LARGE_MTILDE`
[INFO] [stdout]   --> src/accumulator/constants.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub const LARGE_MTILDE: usize = 593;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `LARGE_VPRIME_TILDE`
[INFO] [stdout]   --> src/accumulator/constants.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub const LARGE_VPRIME_TILDE: usize = 673;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `LARGE_RTILDE`
[INFO] [stdout]   --> src/accumulator/constants.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub const LARGE_RTILDE: usize = 672;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ITERATION`
[INFO] [stdout]   --> src/accumulator/constants.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub const ITERATION: usize = 4;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `LARGE_ALPHATILDE`
[INFO] [stdout]   --> src/accumulator/constants.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub const LARGE_ALPHATILDE: usize = 2787;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bn_rand_range`
[INFO] [stdout]   --> src/accumulator/helpers.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub fn bn_rand_range(bn: &BigNumber) -> Result<BigNumber, IndyCryptoError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_v_prime_prime`
[INFO] [stdout]    --> src/accumulator/helpers.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 | pub fn generate_v_prime_prime() -> Result<BigNumber, IndyCryptoError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_prime_in_range`
[INFO] [stdout]    --> src/accumulator/helpers.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 151 | pub fn generate_prime_in_range(start: &BigNumber, end: &BigNumber) -> Result<BigNumber, IndyCryptoError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_safe_prime`
[INFO] [stdout]    --> src/accumulator/helpers.rs:179:8
[INFO] [stdout]     |
[INFO] [stdout] 179 | pub fn generate_safe_prime(size: usize) -> Result<BigNumber, IndyCryptoError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_x`
[INFO] [stdout]    --> src/accumulator/helpers.rs:202:8
[INFO] [stdout]     |
[INFO] [stdout] 202 | pub fn gen_x(p: &BigNumber, q: &BigNumber) -> Result<BigNumber, IndyCryptoError> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `random_qr`
[INFO] [stdout]    --> src/accumulator/helpers.rs:230:8
[INFO] [stdout]     |
[INFO] [stdout] 230 | pub fn random_qr(n: &BigNumber) -> Result<BigNumber, IndyCryptoError> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bitwise_or_big_int`
[INFO] [stdout]    --> src/accumulator/helpers.rs:246:8
[INFO] [stdout]     |
[INFO] [stdout] 246 | pub fn bitwise_or_big_int(a: &BigNumber, b: &BigNumber) -> Result<BigNumber, IndyCryptoError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_mtilde`
[INFO] [stdout]    --> src/accumulator/helpers.rs:276:8
[INFO] [stdout]     |
[INFO] [stdout] 276 | pub fn get_mtilde(unrevealed_attrs: &HashSet<String>, mtilde: &mut HashMap<String, BigNumber>) -> Result<(), IndyCryptoError> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `largest_square_less_than`
[INFO] [stdout]    --> src/accumulator/helpers.rs:291:4
[INFO] [stdout]     |
[INFO] [stdout] 291 | fn largest_square_less_than(delta: usize) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `four_squares`
[INFO] [stdout]    --> src/accumulator/helpers.rs:297:8
[INFO] [stdout]     |
[INFO] [stdout] 297 | pub fn four_squares(delta: i32) -> Result<HashMap<String, BigNumber>, IndyCryptoError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `group_element_to_bignum`
[INFO] [stdout]    --> src/accumulator/helpers.rs:350:8
[INFO] [stdout]     |
[INFO] [stdout] 350 | pub fn group_element_to_bignum(el: &GroupOrderElement) -> Result<BigNumber, IndyCryptoError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/accumulator/mod.rs:149:8
[INFO] [stdout]     |
[INFO] [stdout] 149 |     fn new(max_cred_num: u32, gamma: GroupOrderElement, g_dash: PointG2) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pause`
[INFO] [stdout]    --> src/accumulator/mod.rs:956:4
[INFO] [stdout]     |
[INFO] [stdout] 956 | fn pause() {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 49 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_pedersen_commitment`
[INFO] [stdout]   --> src/accumulator/commitment.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn get_pedersen_commitment(gen_1: &BigNumber, m: &BigNumber,
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `LARGE_MVECT`
[INFO] [stdout]  --> src/accumulator/constants.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub const LARGE_MVECT: usize = 592;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ITERATION`
[INFO] [stdout]   --> src/accumulator/constants.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub const ITERATION: usize = 4;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `inject`
[INFO] [stdout]   --> src/accumulator/helpers.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn inject() {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bn_rand_range`
[INFO] [stdout]   --> src/accumulator/helpers.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub fn bn_rand_range(_bn: &BigNumber) -> Result<BigNumber, IndyCryptoError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_v_prime_prime`
[INFO] [stdout]    --> src/accumulator/helpers.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub fn generate_v_prime_prime() -> Result<BigNumber, IndyCryptoError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_prime_in_range`
[INFO] [stdout]    --> src/accumulator/helpers.rs:143:8
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub fn generate_prime_in_range(start: &BigNumber, end: &BigNumber) -> Result<BigNumber, IndyCryptoError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_safe_prime`
[INFO] [stdout]    --> src/accumulator/helpers.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub fn generate_safe_prime(size: usize) -> Result<BigNumber, IndyCryptoError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_x`
[INFO] [stdout]    --> src/accumulator/helpers.rs:194:8
[INFO] [stdout]     |
[INFO] [stdout] 194 | pub fn gen_x(p: &BigNumber, q: &BigNumber) -> Result<BigNumber, IndyCryptoError> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `random_qr`
[INFO] [stdout]    --> src/accumulator/helpers.rs:222:8
[INFO] [stdout]     |
[INFO] [stdout] 222 | pub fn random_qr(n: &BigNumber) -> Result<BigNumber, IndyCryptoError> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bitwise_or_big_int`
[INFO] [stdout]    --> src/accumulator/helpers.rs:246:8
[INFO] [stdout]     |
[INFO] [stdout] 246 | pub fn bitwise_or_big_int(a: &BigNumber, b: &BigNumber) -> Result<BigNumber, IndyCryptoError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_mtilde`
[INFO] [stdout]    --> src/accumulator/helpers.rs:276:8
[INFO] [stdout]     |
[INFO] [stdout] 276 | pub fn get_mtilde(unrevealed_attrs: &HashSet<String>, mtilde: &mut HashMap<String, BigNumber>) -> Result<(), IndyCryptoError> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `largest_square_less_than`
[INFO] [stdout]    --> src/accumulator/helpers.rs:291:4
[INFO] [stdout]     |
[INFO] [stdout] 291 | fn largest_square_less_than(delta: usize) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `four_squares`
[INFO] [stdout]    --> src/accumulator/helpers.rs:297:8
[INFO] [stdout]     |
[INFO] [stdout] 297 | pub fn four_squares(delta: i32) -> Result<HashMap<String, BigNumber>, IndyCryptoError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `group_element_to_bignum`
[INFO] [stdout]    --> src/accumulator/helpers.rs:350:8
[INFO] [stdout]     |
[INFO] [stdout] 350 | pub fn group_element_to_bignum(el: &GroupOrderElement) -> Result<BigNumber, IndyCryptoError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/accumulator/mod.rs:762:9
[INFO] [stdout]     |
[INFO] [stdout] 762 | /         Prover::check_revocation_credential(&mut non_revocation_credential_signature1,
[INFO] [stdout] 763 | |                                             &blinded_revocation_secrets, &credential_revocation_public_key, &accumulator_pub, &witness1);
[INFO] [stdout]     | |_________________________________________________________________________________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/accumulator/mod.rs:764:9
[INFO] [stdout]     |
[INFO] [stdout] 764 |         Prover::store_non_revocation_credential(&mut non_revocation_credential_signature1, &blinded_revocation_secrets);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/accumulator/mod.rs:847:9
[INFO] [stdout]     |
[INFO] [stdout] 847 | /         Prover::check_revocation_credential(&mut non_revocation_credential_signature2,
[INFO] [stdout] 848 | |                                             &blinded_revocation_secrets, &credential_revocation_public_key, &accumulator_pub, &witness2);
[INFO] [stdout]     | |_________________________________________________________________________________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/accumulator/mod.rs:849:9
[INFO] [stdout]     |
[INFO] [stdout] 849 |         Prover::store_non_revocation_credential(&mut non_revocation_credential_signature2, &blinded_revocation_secrets);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/accumulator/mod.rs:923:13
[INFO] [stdout]     |
[INFO] [stdout] 923 | /             simple_tail_accessor.access_tail(index, &mut |tail| {
[INFO] [stdout] 924 | |                 omega_denom = omega_denom.add(tail).unwrap();
[INFO] [stdout] 925 | |             });
[INFO] [stdout]     | |_______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 44 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.65s
[INFO] running `Command { std: "docker" "inspect" "5db41a9f9834ca90a5e6acaab12bd1f5b21353a39e0e8ab7af2cd2ac62dd14a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5db41a9f9834ca90a5e6acaab12bd1f5b21353a39e0e8ab7af2cd2ac62dd14a4", kill_on_drop: false }`
[INFO] [stdout] 5db41a9f9834ca90a5e6acaab12bd1f5b21353a39e0e8ab7af2cd2ac62dd14a4