[INFO] cloning repository https://github.com/brudnevskij/ECC-Rust-Project
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brudnevskij/ECC-Rust-Project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrudnevskij%2FECC-Rust-Project", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrudnevskij%2FECC-Rust-Project'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f009faada62bda3dca58f04c5efc000ad0d4aa29
[INFO] testing brudnevskij/ECC-Rust-Project/f009faada62bda3dca58f04c5efc000ad0d4aa29 against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrudnevskij%2FECC-Rust-Project" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/brudnevskij/ECC-Rust-Project
[INFO] finished tweaking git repo https://github.com/brudnevskij/ECC-Rust-Project
[INFO] tweaked toml for git repo https://github.com/brudnevskij/ECC-Rust-Project written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/brudnevskij/ECC-Rust-Project on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/brudnevskij/ECC-Rust-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" "+1ef7943ee607160a564655b6596f83670ef95df5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-trait v0.1.86
[INFO] [stderr]   Downloaded syn v2.0.97
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[INFO] running `Command { std: "docker" "inspect" "9638830ce9b24a7f902d48ded22678b4dba16cbb385721d321d3bd2ed4437c7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9638830ce9b24a7f902d48ded22678b4dba16cbb385721d321d3bd2ed4437c7b", kill_on_drop: false }`
[INFO] [stdout] 9638830ce9b24a7f902d48ded22678b4dba16cbb385721d321d3bd2ed4437c7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "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" "+1ef7943ee607160a564655b6596f83670ef95df5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5aff1a905256eb8af2a86a2fcb6ae719e2ce8be07b25372c004869fdad3c1593
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[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling tokio v1.43.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.97
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling async-trait v0.1.86
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling sha256 v1.5.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling ecc-rust-project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BigUint`, `EllipticCurve`, `FiniteField`, and `Point`
[INFO] [stdout]    --> src/elliptic_curve/elliptic_curve.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |     use super::{BigUint, EllipticCurve, FiniteField, Point};
[INFO] [stdout]     |                 ^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]    --> src/elliptic_curve/elliptic_curve.rs:134:1
[INFO] [stdout]     |
[INFO] [stdout] 134 | mod ec_test {
[INFO] [stdout]     | ^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BigUint` and `FiniteField`
[INFO] [stdout]   --> src/elliptic_curve/finite_field.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |     use super::{BigUint, FiniteField};
[INFO] [stdout]    |                 ^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/elliptic_curve/finite_field.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | mod ff_test {
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]  --> src/lib.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::{thread_rng, Rng};
[INFO] [stdout]   |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ECDSA` is never constructed
[INFO] [stdout]  --> src/lib.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct ECDSA {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/lib.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl ECDSA {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 16 |     pub fn generate_key_pair(&self) -> (BigUint, Point) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn gen_private_key(&self) -> BigUint {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn gen_random_n(&self, max: &BigUint) -> BigUint {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn generate_public_key(&self, pk: &BigUint) -> Point {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn generate_hash_less_than(data: &str, max: &BigUint) -> BigUint {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn sign(&self, hash: &BigUint, private_key: &BigUint, k: &BigUint) -> (BigUint, BigUint) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn verify(
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Point` is never used
[INFO] [stdout]  --> src/elliptic_curve/elliptic_curve.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Point {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EllipticCurve` is never constructed
[INFO] [stdout]   --> src/elliptic_curve/elliptic_curve.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct EllipticCurve {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add`, `double`, `calculate_x3_y3`, `scalar_mul`, and `is_on_curve` are never used
[INFO] [stdout]    --> src/elliptic_curve/elliptic_curve.rs:38:12
[INFO] [stdout]     |
[INFO] [stdout]  37 | impl EllipticCurve {
[INFO] [stdout]     | ------------------ methods in this implementation
[INFO] [stdout]  38 |     pub fn add(&self, r: &Point, q: &Point) -> Point {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  67 |     pub fn double(&self, c: &Point) -> Point {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  92 |     pub fn calculate_x3_y3(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |     pub fn scalar_mul(&self, c: &Point, d: &BigUint) -> Point {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 |     pub fn is_on_curve(&self, c: &Point) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FiniteField` is never constructed
[INFO] [stdout]  --> src/elliptic_curve/finite_field.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct FiniteField {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add`, `mul`, `sub`, `div`, `inv_add`, and `inv_mul` are never used
[INFO] [stdout]   --> src/elliptic_curve/finite_field.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl FiniteField {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout]  8 |     pub fn add(&self, a: &BigUint, b: &BigUint) -> BigUint {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn mul(&self, a: &BigUint, b: &BigUint) -> BigUint {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn sub(&self, a: &BigUint, b: &BigUint) -> BigUint {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn div(&self, a: &BigUint, b: &BigUint) -> BigUint {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn inv_add(&self, n: &BigUint) -> BigUint {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn inv_mul(&self, n: &BigUint) -> BigUint {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.80s
[INFO] running `Command { std: "docker" "inspect" "5aff1a905256eb8af2a86a2fcb6ae719e2ce8be07b25372c004869fdad3c1593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aff1a905256eb8af2a86a2fcb6ae719e2ce8be07b25372c004869fdad3c1593", kill_on_drop: false }`
[INFO] [stdout] 5aff1a905256eb8af2a86a2fcb6ae719e2ce8be07b25372c004869fdad3c1593
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "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" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a9fbf9e7af1f56eae2307802c045fd78a99fd326ea3ee163e273cb25cdc4370
[INFO] running `Command { std: "docker" "start" "-a" "2a9fbf9e7af1f56eae2307802c045fd78a99fd326ea3ee163e273cb25cdc4370", kill_on_drop: false }`
[INFO] [stderr]    Compiling ecc-rust-project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BigUint`, `EllipticCurve`, `FiniteField`, and `Point`
[INFO] [stdout]    --> src/elliptic_curve/elliptic_curve.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |     use super::{BigUint, EllipticCurve, FiniteField, Point};
[INFO] [stdout]     |                 ^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]    --> src/elliptic_curve/elliptic_curve.rs:134:1
[INFO] [stdout]     |
[INFO] [stdout] 134 | mod ec_test {
[INFO] [stdout]     | ^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BigUint` and `FiniteField`
[INFO] [stdout]   --> src/elliptic_curve/finite_field.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |     use super::{BigUint, FiniteField};
[INFO] [stdout]    |                 ^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/elliptic_curve/finite_field.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | mod ff_test {
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]  --> src/lib.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::{thread_rng, Rng};
[INFO] [stdout]   |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ECDSA` is never constructed
[INFO] [stdout]  --> src/lib.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct ECDSA {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/lib.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl ECDSA {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 16 |     pub fn generate_key_pair(&self) -> (BigUint, Point) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn gen_private_key(&self) -> BigUint {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn gen_random_n(&self, max: &BigUint) -> BigUint {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn generate_public_key(&self, pk: &BigUint) -> Point {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn generate_hash_less_than(data: &str, max: &BigUint) -> BigUint {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn sign(&self, hash: &BigUint, private_key: &BigUint, k: &BigUint) -> (BigUint, BigUint) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn verify(
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Point` is never used
[INFO] [stdout]  --> src/elliptic_curve/elliptic_curve.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Point {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EllipticCurve` is never constructed
[INFO] [stdout]   --> src/elliptic_curve/elliptic_curve.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct EllipticCurve {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add`, `double`, `calculate_x3_y3`, `scalar_mul`, and `is_on_curve` are never used
[INFO] [stdout]    --> src/elliptic_curve/elliptic_curve.rs:38:12
[INFO] [stdout]     |
[INFO] [stdout]  37 | impl EllipticCurve {
[INFO] [stdout]     | ------------------ methods in this implementation
[INFO] [stdout]  38 |     pub fn add(&self, r: &Point, q: &Point) -> Point {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  67 |     pub fn double(&self, c: &Point) -> Point {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  92 |     pub fn calculate_x3_y3(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |     pub fn scalar_mul(&self, c: &Point, d: &BigUint) -> Point {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 |     pub fn is_on_curve(&self, c: &Point) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FiniteField` is never constructed
[INFO] [stdout]  --> src/elliptic_curve/finite_field.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct FiniteField {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add`, `mul`, `sub`, `div`, `inv_add`, and `inv_mul` are never used
[INFO] [stdout]   --> src/elliptic_curve/finite_field.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl FiniteField {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout]  8 |     pub fn add(&self, a: &BigUint, b: &BigUint) -> BigUint {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn mul(&self, a: &BigUint, b: &BigUint) -> BigUint {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn sub(&self, a: &BigUint, b: &BigUint) -> BigUint {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn div(&self, a: &BigUint, b: &BigUint) -> BigUint {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn inv_add(&self, n: &BigUint) -> BigUint {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn inv_mul(&self, n: &BigUint) -> BigUint {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]  --> src/lib.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::{thread_rng, Rng};
[INFO] [stdout]   |                        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `generate_key_pair`, `gen_private_key`, and `gen_random_n` are never used
[INFO] [stdout]   --> src/lib.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl ECDSA {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 16 |     pub fn generate_key_pair(&self) -> (BigUint, Point) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn gen_private_key(&self) -> BigUint {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn gen_random_n(&self, max: &BigUint) -> BigUint {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "2a9fbf9e7af1f56eae2307802c045fd78a99fd326ea3ee163e273cb25cdc4370", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a9fbf9e7af1f56eae2307802c045fd78a99fd326ea3ee163e273cb25cdc4370", kill_on_drop: false }`
[INFO] [stdout] 2a9fbf9e7af1f56eae2307802c045fd78a99fd326ea3ee163e273cb25cdc4370
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "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" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a4bf5b9edadbf1a0ee6122b08a765a02843edaaf48cddd6b3cdf248327c09ea0
[INFO] running `Command { std: "docker" "start" "-a" "a4bf5b9edadbf1a0ee6122b08a765a02843edaaf48cddd6b3cdf248327c09ea0", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `BigUint`, `EllipticCurve`, `FiniteField`, and `Point`
[INFO] [stderr]    --> src/elliptic_curve/elliptic_curve.rs:135:17
[INFO] [stderr]     |
[INFO] [stderr] 135 |     use super::{BigUint, EllipticCurve, FiniteField, Point};
[INFO] [stderr]     |                 ^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]    --> src/elliptic_curve/elliptic_curve.rs:134:1
[INFO] [stderr]     |
[INFO] [stderr] 134 | mod ec_test {
[INFO] [stderr]     | ^^^^^^^^^^^
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BigUint` and `FiniteField`
[INFO] [stderr]   --> src/elliptic_curve/finite_field.rs:41:17
[INFO] [stderr]    |
[INFO] [stderr] 41 |     use super::{BigUint, FiniteField};
[INFO] [stderr]    |                 ^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]   --> src/elliptic_curve/finite_field.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | mod ff_test {
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rng`
[INFO] [stderr]  --> src/lib.rs:2:24
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand::{thread_rng, Rng};
[INFO] [stderr]   |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ECDSA` is never constructed
[INFO] [stderr]  --> src/lib.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct ECDSA {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]   --> src/lib.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | impl ECDSA {
[INFO] [stderr]    | ---------- associated items in this implementation
[INFO] [stderr] 16 |     pub fn generate_key_pair(&self) -> (BigUint, Point) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 |     fn gen_private_key(&self) -> BigUint {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 26 |     fn gen_random_n(&self, max: &BigUint) -> BigUint {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 31 |     fn generate_public_key(&self, pk: &BigUint) -> Point {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 35 |     pub fn generate_hash_less_than(data: &str, max: &BigUint) -> BigUint {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 46 |     pub fn sign(&self, hash: &BigUint, private_key: &BigUint, k: &BigUint) -> (BigUint, BigUint) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 69 |     pub fn verify(
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Point` is never used
[INFO] [stderr]  --> src/elliptic_curve/elliptic_curve.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub enum Point {
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `EllipticCurve` is never constructed
[INFO] [stderr]   --> src/elliptic_curve/elliptic_curve.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub struct EllipticCurve {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `add`, `double`, `calculate_x3_y3`, `scalar_mul`, and `is_on_curve` are never used
[INFO] [stderr]    --> src/elliptic_curve/elliptic_curve.rs:38:12
[INFO] [stderr]     |
[INFO] [stderr]  37 | impl EllipticCurve {
[INFO] [stderr]     | ------------------ methods in this implementation
[INFO] [stderr]  38 |     pub fn add(&self, r: &Point, q: &Point) -> Point {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr]  67 |     pub fn double(&self, c: &Point) -> Point {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  92 |     pub fn calculate_x3_y3(
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 109 |     pub fn scalar_mul(&self, c: &Point, d: &BigUint) -> Point {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 122 |     pub fn is_on_curve(&self, c: &Point) -> bool {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `FiniteField` is never constructed
[INFO] [stderr]  --> src/elliptic_curve/finite_field.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct FiniteField {
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `add`, `mul`, `sub`, `div`, `inv_add`, and `inv_mul` are never used
[INFO] [stderr]   --> src/elliptic_curve/finite_field.rs:8:12
[INFO] [stderr]    |
[INFO] [stderr]  7 | impl FiniteField {
[INFO] [stderr]    | ---------------- methods in this implementation
[INFO] [stderr]  8 |     pub fn add(&self, a: &BigUint, b: &BigUint) -> BigUint {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 12 |     pub fn mul(&self, a: &BigUint, b: &BigUint) -> BigUint {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 17 |     pub fn sub(&self, a: &BigUint, b: &BigUint) -> BigUint {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 21 |     pub fn div(&self, a: &BigUint, b: &BigUint) -> BigUint {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 25 |     pub fn inv_add(&self, n: &BigUint) -> BigUint {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 35 |     pub fn inv_mul(&self, n: &BigUint) -> BigUint {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rng`
[INFO] [stderr]  --> src/lib.rs:2:24
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand::{thread_rng, Rng};
[INFO] [stderr]   |                        ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `generate_key_pair`, `gen_private_key`, and `gen_random_n` are never used
[INFO] [stderr]   --> src/lib.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | impl ECDSA {
[INFO] [stderr]    | ---------- methods in this implementation
[INFO] [stderr] 16 |     pub fn generate_key_pair(&self) -> (BigUint, Point) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 |     fn gen_private_key(&self) -> BigUint {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 26 |     fn gen_random_n(&self, max: &BigUint) -> BigUint {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ecc-rust-project` (lib) generated 10 warnings (run `cargo fix --lib -p ecc-rust-project` to apply 2 suggestions)
[INFO] [stderr] warning: `ecc-rust-project` (lib test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ecc_rust_project-eb74016a84942715)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test elliptic_curve::finite_field::ff_test::test_add_2 ... ok
[INFO] [stdout] test elliptic_curve::finite_field::ff_test::test_add ... ok
[INFO] [stdout] test elliptic_curve::finite_field::ff_test::test_inv_add ... ok
[INFO] [stdout] test elliptic_curve::finite_field::ff_test::test_inv_mul ... ok
[INFO] [stdout] test elliptic_curve::finite_field::ff_test::test_mul ... ok
[INFO] [stdout] test elliptic_curve::finite_field::ff_test::test_sub ... ok
[INFO] [stdout] test elliptic_curve::finite_field::ff_test::tes_div ... ok
[INFO] [stdout] test elliptic_curve::elliptic_curve::ec_test::test_ec_point_addition ... ok
[INFO] [stdout] test elliptic_curve::elliptic_curve::ec_test::test_point_doubling ... ok
[INFO] [stdout] test elliptic_curve::finite_field::ff_test::test_sub_1 ... ok
[INFO] [stdout] test elliptic_curve::elliptic_curve::ec_test::test_scalar_mul ... ok
[INFO] [stdout] test test::test_sign_verify ... ok
[INFO] [stdout] test elliptic_curve::elliptic_curve::ec_test::test_ec_point_addition_same_points_assertion - should panic ... ok
[INFO] [stdout] test elliptic_curve::elliptic_curve::ec_test::test_ec_point_addition_p1_not_on_curve_assertion - should panic ... ok
[INFO] [stdout] test elliptic_curve::elliptic_curve::ec_test::test_ec_point_addition_p2_not_on_curve_assertion - should panic ... ok
[INFO] [stdout] test elliptic_curve::elliptic_curve::ec_test::test_point_doubling_on_curve_assertion - should panic ... ok
[INFO] [stdout] test elliptic_curve::finite_field::ff_test::test_inv_add_2 - should panic ... ok
[INFO] [stdout] test test::test_sign_tempered_signature ... ok
[INFO] [stdout] test test::test_sign_tempered_message ... ok
[INFO] [stdout] test elliptic_curve::elliptic_curve::ec_test::test_ec_secp256k1 ... ok
[INFO] [stdout] test test::test_secp256k1_tempered_signature ... ok
[INFO] [stdout] test test::test_secp256k1_sign_verify ... ok
[INFO] [stdout] test test::test_secp256k1_tempered_message ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 9.46s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ecc_rust_project
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a4bf5b9edadbf1a0ee6122b08a765a02843edaaf48cddd6b3cdf248327c09ea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4bf5b9edadbf1a0ee6122b08a765a02843edaaf48cddd6b3cdf248327c09ea0", kill_on_drop: false }`
[INFO] [stdout] a4bf5b9edadbf1a0ee6122b08a765a02843edaaf48cddd6b3cdf248327c09ea0
