[INFO] updating cached repository https://github.com/komalklr/r1cs_gadgets
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8ab750d6d61512c9d0187bc6e5ca0a13cc65fc31
[INFO] checking komalklr/r1cs_gadgets against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkomalklr%2Fr1cs_gadgets" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
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[INFO] validating manifest of git repo https://github.com/komalklr/r1cs_gadgets on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/komalklr/r1cs_gadgets
[INFO] finished tweaking git repo https://github.com/komalklr/r1cs_gadgets
[INFO] tweaked toml for git repo https://github.com/komalklr/r1cs_gadgets written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/komalklr/r1cs_gadgets already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ed14027b85f268ad3131a5879e57159833ef191f2f6c4e29e82ace64ebef88c8
[INFO] running `"docker" "start" "-a" "ed14027b85f268ad3131a5879e57159833ef191f2f6c4e29e82ace64ebef88c8"`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling packed_simd v0.3.3
[INFO] [stderr]    Compiling subtle v2.1.1
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]     Checking memchr v2.2.1
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking merlin v1.2.0
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]    Compiling curve25519-dalek v1.2.3
[INFO] [stderr]     Checking bulletproofs v1.0.4 (https://github.com/komalklr/bulletproofs.git#9345daad)
[INFO] [stderr]     Checking practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `BulletproofGens`, `PedersenGens`
[INFO] [stderr]  --> src/r1cs_utils.rs:3:20
[INFO] [stderr]   |
[INFO] [stderr] 3 | use bulletproofs::{BulletproofGens, PedersenGens};
[INFO] [stderr]   |                    ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Prover`, `R1CSProof`, `Verifier`
[INFO] [stderr]  --> src/non_zero.rs:8:55
[INFO] [stderr]   |
[INFO] [stderr] 8 | use bulletproofs::r1cs::{ConstraintSystem, R1CSError, R1CSProof, Variable, Prover, Verifier};
[INFO] [stderr]   |                                                       ^^^^^^^^^            ^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BulletproofGens`, `PedersenGens`
[INFO] [stderr]   --> src/non_zero.rs:10:20
[INFO] [stderr]    |
[INFO] [stderr] 10 | use bulletproofs::{BulletproofGens, PedersenGens};
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `curve25519_dalek::ristretto::CompressedRistretto`
[INFO] [stderr]   --> src/non_zero.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use curve25519_dalek::ristretto::CompressedRistretto;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `constrain_lc_with_scalar`
[INFO] [stderr]   --> src/non_zero.rs:13:42
[INFO] [stderr]    |
[INFO] [stderr] 13 | use crate::r1cs_utils::{AllocatedScalar, constrain_lc_with_scalar};
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BulletproofGens`, `PedersenGens`
[INFO] [stderr]  --> src/r1cs_utils.rs:3:20
[INFO] [stderr]   |
[INFO] [stderr] 3 | use bulletproofs::{BulletproofGens, PedersenGens};
[INFO] [stderr]   |                    ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `R1CSProof`
[INFO] [stderr]  --> src/non_zero.rs:8:55
[INFO] [stderr]   |
[INFO] [stderr] 8 | use bulletproofs::r1cs::{ConstraintSystem, R1CSError, R1CSProof, Variable, Prover, Verifier};
[INFO] [stderr]   |                                                       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `curve25519_dalek::ristretto::CompressedRistretto`
[INFO] [stderr]   --> src/non_zero.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use curve25519_dalek::ristretto::CompressedRistretto;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `constrain_lc_with_scalar`
[INFO] [stderr]   --> src/non_zero.rs:13:42
[INFO] [stderr]    |
[INFO] [stderr] 13 | use crate::r1cs_utils::{AllocatedScalar, constrain_lc_with_scalar};
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `inv`
[INFO] [stderr]   --> src/non_zero.rs:85:17
[INFO] [stderr]    |
[INFO] [stderr] 85 |             let inv = 0;
[INFO] [stderr]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_inv`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/non_zero.rs:86:17
[INFO] [stderr]    |
[INFO] [stderr] 86 |             let y = 0;
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::thread_rng`
[INFO] [stderr]   --> tests/shuff.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use rand::thread_rng;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'rand::Rng::shuffle': use SliceRandom::shuffle instead
[INFO] [stderr]    --> tests/shuff.rs:160:28
[INFO] [stderr]     |
[INFO] [stderr] 160 |         rand::thread_rng().shuffle(&mut output);
[INFO] [stderr]     |                            ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `R1CSProof`
[INFO] [stderr]  --> tests/non_zero.rs:8:55
[INFO] [stderr]   |
[INFO] [stderr] 8 | use bulletproofs::r1cs::{ConstraintSystem, R1CSError, R1CSProof, Variable, Prover, Verifier};
[INFO] [stderr]   |                                                       ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `curve25519_dalek::ristretto::CompressedRistretto`
[INFO] [stderr]   --> tests/non_zero.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use curve25519_dalek::ristretto::CompressedRistretto;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `constrain_lc_with_scalar`
[INFO] [stderr]   --> tests/non_zero.rs:13:45
[INFO] [stderr]    |
[INFO] [stderr] 13 | use practice::r1cs_utils::{AllocatedScalar, constrain_lc_with_scalar};
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `one_minus_y_lc`
[INFO] [stderr]   --> tests/non_zero.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let one_minus_y_lc = LinearCombination::from(Variable::One()) - y_lc.clone();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_one_minus_y_lc`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `inv`
[INFO] [stderr]   --> tests/non_zero.rs:85:17
[INFO] [stderr]    |
[INFO] [stderr] 85 |             let inv = 0;
[INFO] [stderr]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_inv`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> tests/non_zero.rs:86:17
[INFO] [stderr]    |
[INFO] [stderr] 86 |             let y = 0;
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BulletproofGens`, `PedersenGens`
[INFO] [stderr]  --> tests/r1cs_utils.rs:3:20
[INFO] [stderr]   |
[INFO] [stderr] 3 | use bulletproofs::{BulletproofGens, PedersenGens};
[INFO] [stderr]   |                    ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Variable`
[INFO] [stderr]  --> tests/bound_check.rs:6:66
[INFO] [stderr]   |
[INFO] [stderr] 6 | use bulletproofs::r1cs::{ConstraintSystem, R1CSError, R1CSProof, Variable, Prover, Verifier};
[INFO] [stderr]   |                                                                  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `merlin::Transcript`
[INFO] [stderr]    --> tests/bound_check.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 |     use merlin::Transcript;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::rngs::OsRng`
[INFO] [stderr]    --> tests/bound_check.rs:127:13
[INFO] [stderr]     |
[INFO] [stderr] 127 |         use rand::rngs::OsRng;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> tests/r1cs_utils.rs:45:28
[INFO] [stderr]    |
[INFO] [stderr] 45 |             let bit: u64 = (q >> 63) & 1;
[INFO] [stderr]    |                      ---   ^^^^^^^^^^^^^ expected `u64`, found `i64`
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      expected due to this
[INFO] [stderr]    |
[INFO] [stderr] help: you can convert an `i64` to `u64` and panic if the converted value wouldn't fit
[INFO] [stderr]    |
[INFO] [stderr] 45 |             let bit: u64 = ((q >> 63) & 1).try_into().unwrap();
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> tests/bound_check.rs:134:13
[INFO] [stderr]     |
[INFO] [stderr] 134 |         let v = rng.gen_range(min, max);
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `practice`.
[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] [stderr] warning: function is never used: `example_gadget_roundtrip_serialization_helper`
[INFO] [stderr]    --> tests/lin_com.rs:245:4
[INFO] [stderr]     |
[INFO] [stderr] 245 | fn example_gadget_roundtrip_serialization_helper(
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]    --> tests/lin_com.rs:181:10
[INFO] [stderr]     |
[INFO] [stderr] 181 |         .into_iter()
[INFO] [stderr]     |          ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Variable`
[INFO] [stderr]  --> tests/set_mem.rs:6:66
[INFO] [stderr]   |
[INFO] [stderr] 6 | use bulletproofs::r1cs::{ConstraintSystem, R1CSError, R1CSProof, Variable, Prover, Verifier};
[INFO] [stderr]   |                                                                  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bulletproofs::r1cs::LinearCombination`
[INFO] [stderr]   --> tests/set_mem.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use bulletproofs::r1cs::LinearCombination;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `merlin::Transcript`
[INFO] [stderr]    --> tests/set_mem.rs:129:9
[INFO] [stderr]     |
[INFO] [stderr] 129 |     use merlin::Transcript;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]   --> tests/set_mem.rs:40:66
[INFO] [stderr]    |
[INFO] [stderr] 40 | ...                   mut rng: &mut R, transcript_label: &'static [u8],
[INFO] [stderr]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/set_mem.rs:40:62
[INFO] [stderr]    |
[INFO] [stderr] 40 | ...                   mut rng: &mut R, transcript_label: &'static [u8],
[INFO] [stderr]    |                       ----^^^
[INFO] [stderr]    |                       |
[INFO] [stderr]    |                       help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AllocatedScalar`, `constrain_lc_with_scalar`
[INFO] [stderr]   --> tests/sorted2.rs:14:28
[INFO] [stderr]    |
[INFO] [stderr] 14 | use practice::r1cs_utils::{AllocatedScalar, constrain_lc_with_scalar, AllocatedQuantity, positive_no_gadget};
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `practice::non_zero::is_nonzero_gadget`
[INFO] [stderr]   --> tests/sorted2.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use practice::non_zero::is_nonzero_gadget;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `merlin::Transcript`
[INFO] [stderr]    --> tests/sorted2.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |     use merlin::Transcript;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Variable`
[INFO] [stderr]  --> tests/sorted.rs:6:66
[INFO] [stderr]   |
[INFO] [stderr] 6 | use bulletproofs::r1cs::{ConstraintSystem, R1CSError, R1CSProof, Variable, Prover, Verifier};
[INFO] [stderr]   |                                                                  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `AllocatedScalar`
[INFO] [stderr]   --> tests/sorted.rs:14:28
[INFO] [stderr]    |
[INFO] [stderr] 14 | use practice::r1cs_utils::{AllocatedScalar, constrain_lc_with_scalar,positive_no_gadget,AllocatedQuantity};
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `practice::non_zero::is_nonzero_gadget`
[INFO] [stderr]   --> tests/sorted.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use practice::non_zero::is_nonzero_gadget;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `merlin::Transcript`
[INFO] [stderr]    --> tests/sorted.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 |     use merlin::Transcript;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]   --> tests/lin_com2.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::error::Error;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/lin_com2.rs:41:115
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn example_gadget<CS: ConstraintSystem>(cs: &mut CS,a: LinearCombination,c: LinearCombination,) -> Result<(), Box<::std::error::Error>>{
[INFO] [stderr]    |                                                                                                                   ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `z_lc`
[INFO] [stderr]   --> tests/sorted2.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let z_lc: LinearCombination = vec![(x, Scalar::zero())].iter().collect();
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_z_lc`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `set`
[INFO] [stderr]   --> tests/sorted2.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     set: &[u64]
[INFO] [stderr]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_set`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `randomness`
[INFO] [stderr]   --> tests/sorted2.rs:39:65
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn gen_proof_of_set_non_membership<R: RngCore + CryptoRng>( randomness: Option<Scalar>, set: &[u64],
[INFO] [stderr]    |                                                                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_randomness`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]   --> tests/sorted2.rs:40:66
[INFO] [stderr]    |
[INFO] [stderr] 40 | ...                   mut rng: &mut R, transcript_label: &'static [u8],
[INFO] [stderr]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `set_length`
[INFO] [stderr]   --> tests/sorted2.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 |     let set_length = commitments.len();
[INFO] [stderr]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_set_length`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `diff_vars`
[INFO] [stderr]   --> tests/sorted2.rs:84:13
[INFO] [stderr]    |
[INFO] [stderr] 84 |     let mut diff_vars: Vec<AllocatedQuantity> = vec![];
[INFO] [stderr]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_diff_vars`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]    --> tests/sorted2.rs:119:13
[INFO] [stderr]     |
[INFO] [stderr] 119 |         let value = 120u64;
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/sorted2.rs:40:62
[INFO] [stderr]    |
[INFO] [stderr] 40 | ...                   mut rng: &mut R, transcript_label: &'static [u8],
[INFO] [stderr]    |                       ----^^^
[INFO] [stderr]    |                       |
[INFO] [stderr]    |                       help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/sorted2.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |     let mut verifier = Verifier::new(&mut verifier_transcript);
[INFO] [stderr]    |         ----^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/sorted2.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |     let mut diff_vars: Vec<AllocatedQuantity> = vec![];
[INFO] [stderr]    |         ----^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `randomness`
[INFO] [stderr]   --> tests/sorted.rs:37:52
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn gen_proof_of_sorted<R: RngCore + CryptoRng>(randomness: Option<Scalar>, list: &[u64],
[INFO] [stderr]    |                                                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_randomness`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]   --> tests/sorted.rs:38:66
[INFO] [stderr]    |
[INFO] [stderr] 38 | ...                   mut rng: &mut R, transcript_label: &'static [u8],
[INFO] [stderr]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/sorted.rs:38:62
[INFO] [stderr]    |
[INFO] [stderr] 38 | ...                   mut rng: &mut R, transcript_label: &'static [u8],
[INFO] [stderr]    |                       ----^^^
[INFO] [stderr]    |                       |
[INFO] [stderr]    |                       help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `example_gadget_roundtrip_serialization_helper`
[INFO] [stderr]    --> tests/lin_com2.rs:148:4
[INFO] [stderr]     |
[INFO] [stderr] 148 | fn example_gadget_roundtrip_serialization_helper(a: u64,
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]    --> tests/lin_com2.rs:122:53
[INFO] [stderr]     |
[INFO] [stderr] 122 |     let (commitments, vars): (Vec<_>, Vec<_>) = [x].into_iter().map(|x| prover.commit(Scalar::from(*x), Scalar::random(&mut thread_rng()))).unzip();
[INFO] [stderr]     |                                                     ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> tests/lin_com2.rs:123:5
[INFO] [stderr]     |
[INFO] [stderr] 123 |     example_gadget(&mut prover,vars[0].into(),Scalar::from(c).into(),);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> tests/lin_com2.rs:132:5
[INFO] [stderr]     |
[INFO] [stderr] 132 |     example_gadget(&mut verifier,vars[0].into(),Scalar::from(c).into(),);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "ed14027b85f268ad3131a5879e57159833ef191f2f6c4e29e82ace64ebef88c8"`
[INFO] running `"docker" "rm" "-f" "ed14027b85f268ad3131a5879e57159833ef191f2f6c4e29e82ace64ebef88c8"`
[INFO] [stdout] ed14027b85f268ad3131a5879e57159833ef191f2f6c4e29e82ace64ebef88c8
