[INFO] cloning repository https://github.com/RealCerus/arithmetic-logic-unit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RealCerus/arithmetic-logic-unit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRealCerus%2Farithmetic-logic-unit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRealCerus%2Farithmetic-logic-unit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5680458057a1419123ccf2caaf6106fde3c1fbab
[INFO] checking RealCerus/arithmetic-logic-unit against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRealCerus%2Farithmetic-logic-unit" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RealCerus/arithmetic-logic-unit on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RealCerus/arithmetic-logic-unit
[INFO] finished tweaking git repo https://github.com/RealCerus/arithmetic-logic-unit
[INFO] tweaked toml for git repo https://github.com/RealCerus/arithmetic-logic-unit written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/RealCerus/arithmetic-logic-unit already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b12cc52f48fc99b072142669c1d7433cb31eb7646ea40895b9ae8139770f343d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b12cc52f48fc99b072142669c1d7433cb31eb7646ea40895b9ae8139770f343d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b12cc52f48fc99b072142669c1d7433cb31eb7646ea40895b9ae8139770f343d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b12cc52f48fc99b072142669c1d7433cb31eb7646ea40895b9ae8139770f343d", kill_on_drop: false }`
[INFO] [stdout] b12cc52f48fc99b072142669c1d7433cb31eb7646ea40895b9ae8139770f343d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 69b6b72cee7a995a4ea189e6488a7325b541ee78e6178347f68eff9af5d7bef8
[INFO] running `Command { std: "docker" "start" "-a" "69b6b72cee7a995a4ea189e6488a7325b541ee78e6178347f68eff9af5d7bef8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking arithmetic-logic-unit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::model::adder::half_adder::HalfAdder`
[INFO] [stdout]  --> src/model/adder/ripple_carry_adder.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::model::adder::half_adder::HalfAdder;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::model::subtractor::half_subtractor::HalfSubtractor`
[INFO] [stdout]  --> src/model/subtractor/ripple_carry_subtractor.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::model::subtractor::half_subtractor::HalfSubtractor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::model::adder::half_adder::HalfAdder`
[INFO] [stdout]  --> src/model/adder/ripple_carry_adder.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::model::adder::half_adder::HalfAdder;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::model::subtractor::half_subtractor::HalfSubtractor`
[INFO] [stdout]  --> src/model/subtractor/ripple_carry_subtractor.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::model::subtractor::half_subtractor::HalfSubtractor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `BinaryRepresentation`
[INFO] [stdout]  --> src/model/binary_representation.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct BinaryRepresentation {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/model/binary_representation.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new() -> BinaryRepresentation {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_vec`
[INFO] [stdout]   --> src/model/binary_representation.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn from_vec(vec: Vec<bool>) -> BinaryRepresentation {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_num`
[INFO] [stdout]   --> src/model/binary_representation.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn from_num(num: i32) -> BinaryRepresentation {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_number`
[INFO] [stdout]   --> src/model/binary_representation.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn set_number(&mut self, num: i32) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `transform`
[INFO] [stdout]   --> src/model/binary_representation.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn transform(&mut self, len: usize) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reverse`
[INFO] [stdout]   --> src/model/binary_representation.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn reverse(&mut self) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_string`
[INFO] [stdout]   --> src/model/binary_representation.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn to_string(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_i32`
[INFO] [stdout]   --> src/model/binary_representation.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn to_i32(&self) -> i32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calc_bits`
[INFO] [stdout]    --> src/model/binary_representation.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn calc_bits(num: &i32) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]    --> src/model/binary_representation.rs:121:12
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NotGate`
[INFO] [stdout]  --> src/model/gates/not_gate.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct NotGate {}
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calc`
[INFO] [stdout]  --> src/model/gates/not_gate.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn calc(&self, a: bool) -> bool {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RippleCarryAdder`
[INFO] [stdout]  --> src/model/adder/ripple_carry_adder.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct RippleCarryAdder {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/model/adder/ripple_carry_adder.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new() -> RippleCarryAdder {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calc`
[INFO] [stdout]   --> src/model/adder/ripple_carry_adder.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn calc(&self, a: &BinaryRepresentation, b: &BinaryRepresentation) -> BinaryRepresentation {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `FullAdder`
[INFO] [stdout]  --> src/model/adder/full_adder.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct FullAdder {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/model/adder/full_adder.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new() -> FullAdder {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calc`
[INFO] [stdout]   --> src/model/adder/full_adder.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn calc(&self, a: bool, b: bool, c: bool) -> AdderResult {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `HalfAdder`
[INFO] [stdout]  --> src/model/adder/half_adder.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct HalfAdder {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/model/adder/half_adder.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new() -> HalfAdder {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calc`
[INFO] [stdout]   --> src/model/adder/half_adder.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn calc(&self, a: bool, b: bool) -> AdderResult {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `AdderResult`
[INFO] [stdout]  --> src/model/adder/mod.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct AdderResult {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `HalfSubtractor`
[INFO] [stdout]  --> src/model/subtractor/half_subtractor.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct HalfSubtractor {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/model/subtractor/half_subtractor.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new() -> HalfSubtractor {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calc`
[INFO] [stdout]   --> src/model/subtractor/half_subtractor.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn calc(&self, a: bool, b: bool) -> SubtractorResult {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `FullSubtractor`
[INFO] [stdout]  --> src/model/subtractor/full_subtractor.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct FullSubtractor {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/model/subtractor/full_subtractor.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new() -> FullSubtractor {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calc`
[INFO] [stdout]   --> src/model/subtractor/full_subtractor.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn calc(&self, a: bool, b: bool, c: bool) -> SubtractorResult {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RippleCarrySubtractor`
[INFO] [stdout]  --> src/model/subtractor/ripple_carry_subtractor.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct RippleCarrySubtractor {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/model/subtractor/ripple_carry_subtractor.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new() -> RippleCarrySubtractor {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calc`
[INFO] [stdout]   --> src/model/subtractor/ripple_carry_subtractor.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn calc(&self, a: &BinaryRepresentation, b: &BinaryRepresentation) -> BinaryRepresentation {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SubtractorResult`
[INFO] [stdout]  --> src/model/subtractor/mod.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct SubtractorResult {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `BinaryRepresentation`
[INFO] [stdout]  --> src/model/binary_representation.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct BinaryRepresentation {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/model/binary_representation.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new() -> BinaryRepresentation {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_vec`
[INFO] [stdout]   --> src/model/binary_representation.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn from_vec(vec: Vec<bool>) -> BinaryRepresentation {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_num`
[INFO] [stdout]   --> src/model/binary_representation.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn from_num(num: i32) -> BinaryRepresentation {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_number`
[INFO] [stdout]   --> src/model/binary_representation.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn set_number(&mut self, num: i32) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `transform`
[INFO] [stdout]   --> src/model/binary_representation.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn transform(&mut self, len: usize) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reverse`
[INFO] [stdout]   --> src/model/binary_representation.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn reverse(&mut self) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_string`
[INFO] [stdout]   --> src/model/binary_representation.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn to_string(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_i32`
[INFO] [stdout]   --> src/model/binary_representation.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn to_i32(&self) -> i32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calc_bits`
[INFO] [stdout]    --> src/model/binary_representation.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn calc_bits(num: &i32) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]    --> src/model/binary_representation.rs:121:12
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NotGate`
[INFO] [stdout]  --> src/model/gates/not_gate.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct NotGate {}
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calc`
[INFO] [stdout]  --> src/model/gates/not_gate.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn calc(&self, a: bool) -> bool {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RippleCarryAdder`
[INFO] [stdout]  --> src/model/adder/ripple_carry_adder.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct RippleCarryAdder {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/model/adder/ripple_carry_adder.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new() -> RippleCarryAdder {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calc`
[INFO] [stdout]   --> src/model/adder/ripple_carry_adder.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn calc(&self, a: &BinaryRepresentation, b: &BinaryRepresentation) -> BinaryRepresentation {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `FullAdder`
[INFO] [stdout]  --> src/model/adder/full_adder.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct FullAdder {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/model/adder/full_adder.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new() -> FullAdder {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calc`
[INFO] [stdout]   --> src/model/adder/full_adder.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn calc(&self, a: bool, b: bool, c: bool) -> AdderResult {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `HalfAdder`
[INFO] [stdout]  --> src/model/adder/half_adder.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct HalfAdder {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/model/adder/half_adder.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new() -> HalfAdder {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calc`
[INFO] [stdout]   --> src/model/adder/half_adder.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn calc(&self, a: bool, b: bool) -> AdderResult {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `AdderResult`
[INFO] [stdout]  --> src/model/adder/mod.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct AdderResult {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `HalfSubtractor`
[INFO] [stdout]  --> src/model/subtractor/half_subtractor.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct HalfSubtractor {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/model/subtractor/half_subtractor.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new() -> HalfSubtractor {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calc`
[INFO] [stdout]   --> src/model/subtractor/half_subtractor.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn calc(&self, a: bool, b: bool) -> SubtractorResult {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `FullSubtractor`
[INFO] [stdout]  --> src/model/subtractor/full_subtractor.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct FullSubtractor {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/model/subtractor/full_subtractor.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new() -> FullSubtractor {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calc`
[INFO] [stdout]   --> src/model/subtractor/full_subtractor.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn calc(&self, a: bool, b: bool, c: bool) -> SubtractorResult {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RippleCarrySubtractor`
[INFO] [stdout]  --> src/model/subtractor/ripple_carry_subtractor.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct RippleCarrySubtractor {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/model/subtractor/ripple_carry_subtractor.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new() -> RippleCarrySubtractor {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calc`
[INFO] [stdout]   --> src/model/subtractor/ripple_carry_subtractor.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn calc(&self, a: &BinaryRepresentation, b: &BinaryRepresentation) -> BinaryRepresentation {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SubtractorResult`
[INFO] [stdout]  --> src/model/subtractor/mod.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct SubtractorResult {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::model::adder::ripple_carry_adder`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::model::adder::ripple_carry_adder;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::model::adder::half_adder::HalfAdder`
[INFO] [stdout]  --> src/model/adder/ripple_carry_adder.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::model::adder::half_adder::HalfAdder;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::model::subtractor::half_subtractor::HalfSubtractor`
[INFO] [stdout]  --> src/model/subtractor/ripple_carry_subtractor.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::model::subtractor::half_subtractor::HalfSubtractor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::model::adder::ripple_carry_adder`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::model::adder::ripple_carry_adder;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::model::adder::half_adder::HalfAdder`
[INFO] [stdout]  --> src/model/adder/ripple_carry_adder.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::model::adder::half_adder::HalfAdder;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::model::subtractor::half_subtractor::HalfSubtractor`
[INFO] [stdout]  --> src/model/subtractor/ripple_carry_subtractor.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::model::subtractor::half_subtractor::HalfSubtractor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calc_bits`
[INFO] [stdout]    --> src/model/binary_representation.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn calc_bits(num: &i32) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calc_bits`
[INFO] [stdout]    --> src/model/binary_representation.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn calc_bits(num: &i32) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "69b6b72cee7a995a4ea189e6488a7325b541ee78e6178347f68eff9af5d7bef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69b6b72cee7a995a4ea189e6488a7325b541ee78e6178347f68eff9af5d7bef8", kill_on_drop: false }`
[INFO] [stdout] 69b6b72cee7a995a4ea189e6488a7325b541ee78e6178347f68eff9af5d7bef8
