[INFO] cloning repository https://github.com/higumachan/programming_bitcoin_book_in_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/higumachan/programming_bitcoin_book_in_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhigumachan%2Fprogramming_bitcoin_book_in_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhigumachan%2Fprogramming_bitcoin_book_in_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 219ff95ff59654c7a0d977bad882632cfc8b54bf
[INFO] testing higumachan/programming_bitcoin_book_in_rust against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhigumachan%2Fprogramming_bitcoin_book_in_rust" "/workspace/builds/worker-31/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-31/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/higumachan/programming_bitcoin_book_in_rust on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/higumachan/programming_bitcoin_book_in_rust
[INFO] finished tweaking git repo https://github.com/higumachan/programming_bitcoin_book_in_rust
[INFO] tweaked toml for git repo https://github.com/higumachan/programming_bitcoin_book_in_rust written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate git repo https://github.com/higumachan/programming_bitcoin_book_in_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b5294e7fc854e91978694d9735f671401f2ee4b92bd3e6d773f6a1253e156de
[INFO] running `Command { std: "docker" "start" "-a" "3b5294e7fc854e91978694d9735f671401f2ee4b92bd3e6d773f6a1253e156de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b5294e7fc854e91978694d9735f671401f2ee4b92bd3e6d773f6a1253e156de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b5294e7fc854e91978694d9735f671401f2ee4b92bd3e6d773f6a1253e156de", kill_on_drop: false }`
[INFO] [stdout] 3b5294e7fc854e91978694d9735f671401f2ee4b92bd3e6d773f6a1253e156de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3dee40361000b4f4493c9721314e06fc0e356ea315272f21505685bb15fd5b29
[INFO] running `Command { std: "docker" "start" "-a" "3dee40361000b4f4493c9721314e06fc0e356ea315272f21505685bb15fd5b29", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling encriptions v0.1.0 (/opt/rustwide/workdir/crates/encriptions)
[INFO] [stdout] warning: unused import: `num::traits::real::Real`
[INFO] [stdout]  --> crates/encriptions/src/curve.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use num::traits::real::Real;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AddAssign`, `Add`, `Mul`
[INFO] [stdout]  --> crates/encriptions/src/curve.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ops::{Add, AddAssign, Mul};
[INFO] [stdout]   |                ^^^  ^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `f64FieldElement` should have an upper camel case name
[INFO] [stdout]    --> crates/encriptions/src/field.rs:138:12
[INFO] [stdout]     |
[INFO] [stdout] 138 | pub struct f64FieldElement(f64);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `F64fieldElement`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Float`
[INFO] [stdout]  --> crates/encriptions/src/point.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use num::{BigInt, Float};
[INFO] [stdout]   |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> crates/encriptions/src/point.rs:102:33
[INFO] [stdout]     |
[INFO] [stdout] 102 |                         T::from((y2.clone() - y1.clone())) / T::from((x2.clone() - x1.clone())),
[INFO] [stdout]     |                                 ^                       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 102 -                         T::from((y2.clone() - y1.clone())) / T::from((x2.clone() - x1.clone())),
[INFO] [stdout] 102 +                         T::from(y2.clone() - y1.clone()) / T::from((x2.clone() - x1.clone())),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> crates/encriptions/src/point.rs:102:70
[INFO] [stdout]     |
[INFO] [stdout] 102 |                         T::from((y2.clone() - y1.clone())) / T::from((x2.clone() - x1.clone())),
[INFO] [stdout]     |                                                                      ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 102 -                         T::from((y2.clone() - y1.clone())) / T::from((x2.clone() - x1.clone())),
[INFO] [stdout] 102 +                         T::from((y2.clone() - y1.clone())) / T::from(x2.clone() - x1.clone()),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_traits::Pow`
[INFO] [stdout]  --> crates/encriptions/src/curve.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use num_traits::Pow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]   --> crates/encriptions/src/point.rs:73:18
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn mul(self, rhs: PointOnCurve<T, C>) -> Self::Output {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_from_u64`
[INFO] [stdout]   --> crates/encriptions/src/field.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn new_from_u64(value: u64) -> Option<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling programming_bitcoin_book_in_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.30s
[INFO] running `Command { std: "docker" "inspect" "3dee40361000b4f4493c9721314e06fc0e356ea315272f21505685bb15fd5b29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dee40361000b4f4493c9721314e06fc0e356ea315272f21505685bb15fd5b29", kill_on_drop: false }`
[INFO] [stdout] 3dee40361000b4f4493c9721314e06fc0e356ea315272f21505685bb15fd5b29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f84674bfbf0da9e180908226851bee1b567e3acb528626f01feda3a32c97b556
[INFO] running `Command { std: "docker" "start" "-a" "f84674bfbf0da9e180908226851bee1b567e3acb528626f01feda3a32c97b556", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling programming_bitcoin_book_in_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `num::traits::real::Real`
[INFO] [stdout]  --> crates/encriptions/src/curve.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use num::traits::real::Real;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AddAssign`, `Add`, `Mul`
[INFO] [stdout]  --> crates/encriptions/src/curve.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ops::{Add, AddAssign, Mul};
[INFO] [stdout]   |                ^^^  ^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `f64FieldElement` should have an upper camel case name
[INFO] [stdout]    --> crates/encriptions/src/field.rs:138:12
[INFO] [stdout]     |
[INFO] [stdout] 138 | pub struct f64FieldElement(f64);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `F64fieldElement`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Float`
[INFO] [stdout]  --> crates/encriptions/src/point.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use num::{BigInt, Float};
[INFO] [stdout]   |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> crates/encriptions/src/point.rs:102:33
[INFO] [stdout]     |
[INFO] [stdout] 102 |                         T::from((y2.clone() - y1.clone())) / T::from((x2.clone() - x1.clone())),
[INFO] [stdout]     |                                 ^                       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 102 -                         T::from((y2.clone() - y1.clone())) / T::from((x2.clone() - x1.clone())),
[INFO] [stdout] 102 +                         T::from(y2.clone() - y1.clone()) / T::from((x2.clone() - x1.clone())),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> crates/encriptions/src/point.rs:102:70
[INFO] [stdout]     |
[INFO] [stdout] 102 |                         T::from((y2.clone() - y1.clone())) / T::from((x2.clone() - x1.clone())),
[INFO] [stdout]     |                                                                      ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 102 -                         T::from((y2.clone() - y1.clone())) / T::from((x2.clone() - x1.clone())),
[INFO] [stdout] 102 +                         T::from((y2.clone() - y1.clone())) / T::from(x2.clone() - x1.clone()),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_traits::Pow`
[INFO] [stdout]  --> crates/encriptions/src/curve.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use num_traits::Pow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]   --> crates/encriptions/src/point.rs:73:18
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn mul(self, rhs: PointOnCurve<T, C>) -> Self::Output {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_from_u64`
[INFO] [stdout]   --> crates/encriptions/src/field.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn new_from_u64(value: u64) -> Option<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 46.15s
[INFO] running `Command { std: "docker" "inspect" "f84674bfbf0da9e180908226851bee1b567e3acb528626f01feda3a32c97b556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f84674bfbf0da9e180908226851bee1b567e3acb528626f01feda3a32c97b556", kill_on_drop: false }`
[INFO] [stdout] f84674bfbf0da9e180908226851bee1b567e3acb528626f01feda3a32c97b556
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 72188f6cf092a6a5aa78b70b8bb2a05701ab62d8270bfe4fe2f03c125a0f9fac
[INFO] running `Command { std: "docker" "start" "-a" "72188f6cf092a6a5aa78b70b8bb2a05701ab62d8270bfe4fe2f03c125a0f9fac", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `num::traits::real::Real`
[INFO] [stderr]  --> crates/encriptions/src/curve.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use num::traits::real::Real;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AddAssign`, `Add`, `Mul`
[INFO] [stderr]  --> crates/encriptions/src/curve.rs:6:16
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::ops::{Add, AddAssign, Mul};
[INFO] [stderr]   |                ^^^  ^^^^^^^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `f64FieldElement` should have an upper camel case name
[INFO] [stderr]    --> crates/encriptions/src/field.rs:138:12
[INFO] [stderr]     |
[INFO] [stderr] 138 | pub struct f64FieldElement(f64);
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `F64fieldElement`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Float`
[INFO] [stderr]  --> crates/encriptions/src/point.rs:3:19
[INFO] [stderr]   |
[INFO] [stderr] 3 | use num::{BigInt, Float};
[INFO] [stderr]   |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> crates/encriptions/src/point.rs:102:33
[INFO] [stderr]     |
[INFO] [stderr] 102 |                         T::from((y2.clone() - y1.clone())) / T::from((x2.clone() - x1.clone())),
[INFO] [stderr]     |                                 ^                       ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 102 -                         T::from((y2.clone() - y1.clone())) / T::from((x2.clone() - x1.clone())),
[INFO] [stderr] 102 +                         T::from(y2.clone() - y1.clone()) / T::from((x2.clone() - x1.clone())),
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> crates/encriptions/src/point.rs:102:70
[INFO] [stderr]     |
[INFO] [stderr] 102 |                         T::from((y2.clone() - y1.clone())) / T::from((x2.clone() - x1.clone())),
[INFO] [stderr]     |                                                                      ^                       ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 102 -                         T::from((y2.clone() - y1.clone())) / T::from((x2.clone() - x1.clone())),
[INFO] [stderr] 102 +                         T::from((y2.clone() - y1.clone())) / T::from(x2.clone() - x1.clone()),
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num_traits::Pow`
[INFO] [stderr]  --> crates/encriptions/src/curve.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use num_traits::Pow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rhs`
[INFO] [stderr]   --> crates/encriptions/src/point.rs:73:18
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn mul(self, rhs: PointOnCurve<T, C>) -> Self::Output {
[INFO] [stderr]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_from_u64`
[INFO] [stderr]   --> crates/encriptions/src/field.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn new_from_u64(value: u64) -> Option<Self> {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `encriptions` (lib) generated 9 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/programming_bitcoin_book_in_rust-b1f01dddee01e69b)
[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" "72188f6cf092a6a5aa78b70b8bb2a05701ab62d8270bfe4fe2f03c125a0f9fac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72188f6cf092a6a5aa78b70b8bb2a05701ab62d8270bfe4fe2f03c125a0f9fac", kill_on_drop: false }`
[INFO] [stdout] 72188f6cf092a6a5aa78b70b8bb2a05701ab62d8270bfe4fe2f03c125a0f9fac