[INFO] fetching crate aeonflux 0.1.0...
[INFO] checking aeonflux-0.1.0 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate aeonflux 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate aeonflux 0.1.0 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aeonflux 0.1.0
[INFO] finished tweaking crates.io crate aeonflux 0.1.0
[INFO] tweaked toml for crates.io crate aeonflux 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e32396b2adb94a806f4d215f185e4d6c10bc163b814092d52db3b429f479b2e8
[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" "e32396b2adb94a806f4d215f185e4d6c10bc163b814092d52db3b429f479b2e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e32396b2adb94a806f4d215f185e4d6c10bc163b814092d52db3b429f479b2e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e32396b2adb94a806f4d215f185e4d6c10bc163b814092d52db3b429f479b2e8", kill_on_drop: false }`
[INFO] [stdout] e32396b2adb94a806f4d215f185e4d6c10bc163b814092d52db3b429f479b2e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3a4a8ff7e667f510954fb2970d83dc8154fe1452a51649f2e8a0fe1cdbadff5
[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" "f3a4a8ff7e667f510954fb2970d83dc8154fe1452a51649f2e8a0fe1cdbadff5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking oorandom v11.1.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking rayon-core v1.8.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking merlin v2.0.0
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking curve25519-dalek v2.1.0
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking zkp v0.7.0
[INFO] [stderr]     Checking aeonflux v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]    --> src/amacs.rs:109:30
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub(crate) fn from_bytes(bytes: &[u8]) -> Result<SecretKey, MacError> {
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/nizk.rs:78:14
[INFO] [stdout]    |
[INFO] [stdout] 78 |         for (i, y_i) in issuer.amacs_key.y.iter().enumerate() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `G`
[INFO] [stdout]   --> src/nizk.rs:93:14
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let (G, _)         = prover.allocate_point(b"G",         issuer.system_parameters.G);
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_G`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/nizk.rs:101:14
[INFO] [stdout]     |
[INFO] [stdout] 101 |         for (i, G_y_i) in issuer.system_parameters.G_y.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/nizk.rs:118:14
[INFO] [stdout]     |
[INFO] [stdout] 118 |         for (i, M_i) in messages.0.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/nizk.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 |         for i in 0..system_parameters.NUMBER_OF_ATTRIBUTES as usize {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `G`
[INFO] [stdout]    --> src/nizk.rs:186:13
[INFO] [stdout]     |
[INFO] [stdout] 186 |         let G         = verifier.allocate_point(b"G",         system_parameters.G.compress())?;
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_G`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/nizk.rs:194:14
[INFO] [stdout]     |
[INFO] [stdout] 194 |         for (i, G_y_i) in system_parameters.G_y.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/nizk.rs:209:14
[INFO] [stdout]     |
[INFO] [stdout] 209 |         for (i, M_i) in messages.0.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `basepoint`
[INFO] [stdout]    --> src/nizk.rs:566:17
[INFO] [stdout]     |
[INFO] [stdout] 566 |         for (i, basepoint, scalar) in H_s_.iter() {
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_basepoint`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/nizk.rs:600:14
[INFO] [stdout]     |
[INFO] [stdout] 600 |         for (i, basepoint) in system_parameters.G_y.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scalar`
[INFO] [stdout]    --> src/nizk.rs:610:28
[INFO] [stdout]     |
[INFO] [stdout] 610 |         for (i, basepoint, scalar) in H_s_.iter() {
[INFO] [stdout]     |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_scalar`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/nizk.rs:757:14
[INFO] [stdout]     |
[INFO] [stdout] 757 |         for (i, basepoint) in issuer.system_parameters.G_y.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/nizk.rs:795:14
[INFO] [stdout]     |
[INFO] [stdout] 795 |         for (i, proof_of_encryption) in self.proofs_of_encryption.iter() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]    --> src/parameters.rs:362:23
[INFO] [stdout]     |
[INFO] [stdout] 362 |     pub fn from_bytes(bytes: &[u8]) -> Result<IssuerParameters, CredentialError> {
[INFO] [stdout]     |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `verify`
[INFO] [stdout]    --> src/amacs.rs:255:19
[INFO] [stdout]     |
[INFO] [stdout] 255 |     pub(crate) fn verify(
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `KeypairDeserialisation`
[INFO] [stdout]   --> src/errors.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     KeypairDeserialisation,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ScalarFormatError`
[INFO] [stdout]   --> src/errors.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     ScalarFormatError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AuthenticationError`
[INFO] [stdout]   --> src/errors.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     AuthenticationError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `core::result::Result` that must be used
[INFO] [stdout]    --> src/nizk.rs:792:9
[INFO] [stdout]     |
[INFO] [stdout] 792 |         verifier.verify_compact(&self.proof).or_else(|_| return Err(CredentialError::VerificationFailure));
[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: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stdout] error[E0061]: this function takes 2 arguments but 3 arguments were supplied
[INFO] [stdout]   --> benches/aeonflux_benchmarks.rs:37:22
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let issuer = Issuer::new(&system_parameters, &issuer_parameters, &amacs_key);
[INFO] [stdout]    |                      ^^^^^^^^^^^ ------------------  ------------------  ---------- supplied 3 arguments
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      expected 2 arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 2 arguments but 3 arguments were supplied
[INFO] [stdout]   --> benches/aeonflux_benchmarks.rs:57:22
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let issuer = Issuer::new(&system_parameters, &issuer_parameters, &amacs_key);
[INFO] [stdout]    |                      ^^^^^^^^^^^ ------------------  ------------------  ---------- supplied 3 arguments
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      expected 2 arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 2 arguments but 3 arguments were supplied
[INFO] [stdout]   --> benches/aeonflux_benchmarks.rs:78:22
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let issuer = Issuer::new(&system_parameters, &issuer_parameters, &amacs_key);
[INFO] [stdout]    |                      ^^^^^^^^^^^ ------------------  ------------------  ---------- supplied 3 arguments
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      expected 2 arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 2 arguments but 3 arguments were supplied
[INFO] [stdout]    --> benches/aeonflux_benchmarks.rs:105:22
[INFO] [stdout]     |
[INFO] [stdout] 105 |         let issuer = Issuer::new(&system_parameters, &issuer_parameters, &amacs_key);
[INFO] [stdout]     |                      ^^^^^^^^^^^ ------------------  ------------------  ---------- supplied 3 arguments
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      expected 2 arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aeonflux`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]    --> src/amacs.rs:109:30
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub(crate) fn from_bytes(bytes: &[u8]) -> Result<SecretKey, MacError> {
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/nizk.rs:78:14
[INFO] [stdout]    |
[INFO] [stdout] 78 |         for (i, y_i) in issuer.amacs_key.y.iter().enumerate() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `G`
[INFO] [stdout]   --> src/nizk.rs:93:14
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let (G, _)         = prover.allocate_point(b"G",         issuer.system_parameters.G);
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_G`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/nizk.rs:101:14
[INFO] [stdout]     |
[INFO] [stdout] 101 |         for (i, G_y_i) in issuer.system_parameters.G_y.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/nizk.rs:118:14
[INFO] [stdout]     |
[INFO] [stdout] 118 |         for (i, M_i) in messages.0.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/nizk.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 |         for i in 0..system_parameters.NUMBER_OF_ATTRIBUTES as usize {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `G`
[INFO] [stdout]    --> src/nizk.rs:186:13
[INFO] [stdout]     |
[INFO] [stdout] 186 |         let G         = verifier.allocate_point(b"G",         system_parameters.G.compress())?;
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_G`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/nizk.rs:194:14
[INFO] [stdout]     |
[INFO] [stdout] 194 |         for (i, G_y_i) in system_parameters.G_y.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/nizk.rs:209:14
[INFO] [stdout]     |
[INFO] [stdout] 209 |         for (i, M_i) in messages.0.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `basepoint`
[INFO] [stdout]    --> src/nizk.rs:566:17
[INFO] [stdout]     |
[INFO] [stdout] 566 |         for (i, basepoint, scalar) in H_s_.iter() {
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_basepoint`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/nizk.rs:600:14
[INFO] [stdout]     |
[INFO] [stdout] 600 |         for (i, basepoint) in system_parameters.G_y.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scalar`
[INFO] [stdout]    --> src/nizk.rs:610:28
[INFO] [stdout]     |
[INFO] [stdout] 610 |         for (i, basepoint, scalar) in H_s_.iter() {
[INFO] [stdout]     |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_scalar`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/nizk.rs:757:14
[INFO] [stdout]     |
[INFO] [stdout] 757 |         for (i, basepoint) in issuer.system_parameters.G_y.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/nizk.rs:795:14
[INFO] [stdout]     |
[INFO] [stdout] 795 |         for (i, proof_of_encryption) in self.proofs_of_encryption.iter() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `master_secret`
[INFO] [stdout]    --> src/nizk.rs:901:23
[INFO] [stdout]     |
[INFO] [stdout] 901 |         let (keypair, master_secret) = SymmetricKeypair::generate(&system_parameters, &mut rng);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_master_secret`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]    --> src/parameters.rs:362:23
[INFO] [stdout]     |
[INFO] [stdout] 362 |     pub fn from_bytes(bytes: &[u8]) -> Result<IssuerParameters, CredentialError> {
[INFO] [stdout]     |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `master_secret`
[INFO] [stdout]    --> src/symmetric.rs:251:23
[INFO] [stdout]     |
[INFO] [stdout] 251 |         let (keypair, master_secret) = Keypair::generate(&system_parameters, &mut csprng);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_master_secret`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `KeypairDeserialisation`
[INFO] [stdout]   --> src/errors.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     KeypairDeserialisation,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ScalarFormatError`
[INFO] [stdout]   --> src/errors.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     ScalarFormatError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AuthenticationError`
[INFO] [stdout]   --> src/errors.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     AuthenticationError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `core::result::Result` that must be used
[INFO] [stdout]    --> src/nizk.rs:792:9
[INFO] [stdout]     |
[INFO] [stdout] 792 |         verifier.verify_compact(&self.proof).or_else(|_| return Err(CredentialError::VerificationFailure));
[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: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f3a4a8ff7e667f510954fb2970d83dc8154fe1452a51649f2e8a0fe1cdbadff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3a4a8ff7e667f510954fb2970d83dc8154fe1452a51649f2e8a0fe1cdbadff5", kill_on_drop: false }`
[INFO] [stdout] f3a4a8ff7e667f510954fb2970d83dc8154fe1452a51649f2e8a0fe1cdbadff5
