[INFO] cloning repository https://github.com/SerxaS/kzg-project
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SerxaS/kzg-project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSerxaS%2Fkzg-project", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSerxaS%2Fkzg-project'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 823cde59276b0559869fb8231892146a076f12e9
[INFO] checking SerxaS/kzg-project against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSerxaS%2Fkzg-project" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/SerxaS/kzg-project
[INFO] finished tweaking git repo https://github.com/SerxaS/kzg-project
[INFO] tweaked toml for git repo https://github.com/SerxaS/kzg-project written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SerxaS/kzg-project on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SerxaS/kzg-project already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13c1b07cb5f179c01b5922d5a6fd4f240ab28120dd43d9ea4fdebb271cda64bb
[INFO] running `Command { std: "docker" "start" "-a" "13c1b07cb5f179c01b5922d5a6fd4f240ab28120dd43d9ea4fdebb271cda64bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13c1b07cb5f179c01b5922d5a6fd4f240ab28120dd43d9ea4fdebb271cda64bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13c1b07cb5f179c01b5922d5a6fd4f240ab28120dd43d9ea4fdebb271cda64bb", kill_on_drop: false }`
[INFO] [stdout] 13c1b07cb5f179c01b5922d5a6fd4f240ab28120dd43d9ea4fdebb271cda64bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a37d57354e9d8e20a321a2a18970951e222d9db068ccbc91fc81e2b62fca6f8d
[INFO] running `Command { std: "docker" "start" "-a" "a37d57354e9d8e20a321a2a18970951e222d9db068ccbc91fc81e2b62fca6f8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking constant_time_eq v0.2.6
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking blake2b_simd v1.0.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling halo2curves v0.3.2 (https://github.com/privacy-scaling-explorations/halo2curves?tag=0.3.2#9f5c5081)
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking rayon-core v1.11.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking pin-project-lite v0.2.12
[INFO] [stderr]     Checking keccak v0.1.4
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking ff v0.13.0
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking pasta_curves v0.5.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking halo2_proofs v0.2.0 (https://github.com/privacy-scaling-explorations/halo2?tag=v2023_04_20#be955686)
[INFO] [stderr]     Checking kzg_lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `barycentric` is never used
[INFO] [stdout]   --> src/kzg_tools/barycentric.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub(crate) fn barycentric(polynomial: Polynomial, rou: Fr, x: Fr) -> Evaluation {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kzg_lib` (lib test) due to 2 previous errors; 4 warnings emitted
[INFO] [stdout] warning: methods `add`, `sub`, and `div` are never used
[INFO] [stdout]   --> src/kzg_tools/evaluation.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Evaluation {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn add(&self, rhs: Self) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn sub(&self, rhs: Self) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn div(&self, divider: Self) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: function `fft` is never used
[INFO] [stdout]  --> src/kzg_tools/fft.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn fft(polynomial: Polynomial, rou: Fr) -> Polynomial {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `rou` and `eval_of_z_points` are never used
[INFO] [stdout]    --> src/kzg_tools/polynomial.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout]  15 | impl Polynomial {
[INFO] [stdout]     | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 124 |     pub fn rou(&self) -> Evaluation {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 141 |     pub fn eval_of_z_points(&self, k_points: u32) -> (Self, Self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/kzg_tools/fft.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             let temp_rou = pow(rou, i.try_into().unwrap());
[INFO] [stdout]    |                                     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/kzg_tools/polynomial.rs:33:56
[INFO] [stdout]    |
[INFO] [stdout] 33 |             eval += (Evaluation::new(*j).mul(&pow(val, i.try_into().unwrap()))).evaluation
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Proof` is never constructed
[INFO] [stdout]   --> src/kzg.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Proof {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prover` is never used
[INFO] [stdout]   --> src/kzg.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn prover(polynomial_degree: u32, z: Fr, trusted_setup: TrustedSetup) -> Proof {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `verifier` is never used
[INFO] [stdout]   --> src/kzg.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn verifier(proof: Proof, z: Fr, trusted_setup: TrustedSetup) -> bool {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MultiProof` is never constructed
[INFO] [stdout]  --> src/kzg_multiproof.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct MultiProof {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prover` is never used
[INFO] [stdout]   --> src/kzg_multiproof.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn prover(polynomial_degree: u32, trusted_setup: TrustedSetup, z_points: Vec<Fr>) -> MultiProof {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `verifier` is never used
[INFO] [stdout]   --> src/kzg_multiproof.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn verifier(proof: MultiProof) -> bool {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `barycentric` is never used
[INFO] [stdout]   --> src/kzg_tools/barycentric.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub(crate) fn barycentric(polynomial: Polynomial, rou: Fr, x: Fr) -> Evaluation {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Evaluation` is never constructed
[INFO] [stdout]  --> src/kzg_tools/evaluation.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Evaluation {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add`, `sub`, `mul`, and `div` are never used
[INFO] [stdout]   --> src/kzg_tools/evaluation.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Evaluation {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout]  8 |     pub fn new(evaluation: Fr) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn add(&self, rhs: Self) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn sub(&self, rhs: Self) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn mul(&self, rhs: &Self) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn div(&self, divider: Self) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fft` is never used
[INFO] [stdout]  --> src/kzg_tools/fft.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn fft(polynomial: Polynomial, rou: Fr) -> Polynomial {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Polynomial` is never constructed
[INFO] [stdout]   --> src/kzg_tools/polynomial.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Polynomial {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/kzg_tools/polynomial.rs:16:12
[INFO] [stdout]     |
[INFO] [stdout]  15 | impl Polynomial {
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout]  16 |     pub fn new(coeff: Vec<Fr>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  21 |     pub fn create_polynomial(degree: u32) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  29 |     pub fn eval(&self, val: Fr) -> Evaluation {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  39 |     pub fn add_poly(&self, rhs: Vec<Fr>) -> Self {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  60 |     pub fn sub_poly(&self, rhs: Vec<Fr>) -> Self {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  82 |     pub fn div_poly(&mut self, den: Vec<Fr>) -> (Self, Self) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 111 |     pub fn mul_poly(&self, rhs: Vec<Fr>) -> Self {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     pub fn rou(&self) -> Evaluation {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 141 |     pub fn eval_of_z_points(&self, k_points: u32) -> (Self, Self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 |     pub fn lagrange(&self, z_points: Vec<Fr>, y_points: Vec<Fr>) -> Self {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pow` is never used
[INFO] [stdout]    --> src/kzg_tools/polynomial.rs:193:8
[INFO] [stdout]     |
[INFO] [stdout] 193 | pub fn pow(base: Fr, exp: usize) -> Evaluation {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TrustedSetup` is never constructed
[INFO] [stdout]   --> src/kzg_tools/trusted_setup.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct TrustedSetup {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trusted_setup` is never used
[INFO] [stdout]   --> src/kzg_tools/trusted_setup.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn trusted_setup(polynomial_degree: u32) -> TrustedSetup {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/kzg_tools/fft.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             let temp_rou = pow(rou, i.try_into().unwrap());
[INFO] [stdout]    |                                     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/kzg_tools/polynomial.rs:33:56
[INFO] [stdout]    |
[INFO] [stdout] 33 |             eval += (Evaluation::new(*j).mul(&pow(val, i.try_into().unwrap()))).evaluation
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kzg_lib` (lib) due to 2 previous errors; 15 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a37d57354e9d8e20a321a2a18970951e222d9db068ccbc91fc81e2b62fca6f8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a37d57354e9d8e20a321a2a18970951e222d9db068ccbc91fc81e2b62fca6f8d", kill_on_drop: false }`
[INFO] [stdout] a37d57354e9d8e20a321a2a18970951e222d9db068ccbc91fc81e2b62fca6f8d
