[INFO] cloning repository https://github.com/MordechaiHadad/nand2tetris-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MordechaiHadad/nand2tetris-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMordechaiHadad%2Fnand2tetris-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMordechaiHadad%2Fnand2tetris-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2aea09f5d44f9952510bdecee467735614b3b86a
[INFO] testing MordechaiHadad/nand2tetris-rust against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMordechaiHadad%2Fnand2tetris-rust" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MordechaiHadad/nand2tetris-rust on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MordechaiHadad/nand2tetris-rust
[INFO] finished tweaking git repo https://github.com/MordechaiHadad/nand2tetris-rust
[INFO] tweaked toml for git repo https://github.com/MordechaiHadad/nand2tetris-rust written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/MordechaiHadad/nand2tetris-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c7d4e604328282e4bfc8381bd77c1ed6a33f9f0a66e46fef5ffa9fb7fe8c247
[INFO] running `Command { std: "docker" "start" "-a" "9c7d4e604328282e4bfc8381bd77c1ed6a33f9f0a66e46fef5ffa9fb7fe8c247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c7d4e604328282e4bfc8381bd77c1ed6a33f9f0a66e46fef5ffa9fb7fe8c247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c7d4e604328282e4bfc8381bd77c1ed6a33f9f0a66e46fef5ffa9fb7fe8c247", kill_on_drop: false }`
[INFO] [stdout] 9c7d4e604328282e4bfc8381bd77c1ed6a33f9f0a66e46fef5ffa9fb7fe8c247
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcd7862d84fb0b2824296035830afc86286bc8212af5fc164458b7777e84cbde
[INFO] running `Command { std: "docker" "start" "-a" "fcd7862d84fb0b2824296035830afc86286bc8212af5fc164458b7777e84cbde", kill_on_drop: false }`
[INFO] [stderr]    Compiling nand2tetris-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `hi`
[INFO] [stdout]   --> src/alu.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let hi = [false; 8];
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_hi`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dmux`
[INFO] [stdout]   --> src/gates.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn dmux(x: bool, sel: bool) -> (bool, bool) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `or_16`
[INFO] [stdout]   --> src/gates.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn or_16(x: [bool; 16], y: [bool; 16]) -> [bool; 16] {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mux_4_way_16`
[INFO] [stdout]    --> src/gates.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub fn mux_4_way_16(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mux_8_way_16`
[INFO] [stdout]    --> src/gates.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub fn mux_8_way_16(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dmux_4_way`
[INFO] [stdout]    --> src/gates.rs:135:8
[INFO] [stdout]     |
[INFO] [stdout] 135 | pub fn dmux_4_way(x: bool, sel: [bool; 2]) -> (bool, bool, bool, bool) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dmux_8_way`
[INFO] [stdout]    --> src/gates.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn dmux_8_way(x: bool, sel: [bool; 3]) -> (bool, bool, bool, bool, bool, bool, bool, bool) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `increment_16`
[INFO] [stdout]   --> src/alu.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn increment_16(x: [bool; 16]) -> [bool; 16] {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `out`
[INFO] [stdout]   --> src/alu.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     out: [bool; 16],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `AluResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/alu.rs:58:10
[INFO] [stdout]    |
[INFO] [stdout] 58 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `zr`
[INFO] [stdout]   --> src/alu.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     zr: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `AluResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/alu.rs:58:10
[INFO] [stdout]    |
[INFO] [stdout] 58 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ng`
[INFO] [stdout]   --> src/alu.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     ng: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `AluResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/alu.rs:58:10
[INFO] [stdout]    |
[INFO] [stdout] 58 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "fcd7862d84fb0b2824296035830afc86286bc8212af5fc164458b7777e84cbde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcd7862d84fb0b2824296035830afc86286bc8212af5fc164458b7777e84cbde", kill_on_drop: false }`
[INFO] [stdout] fcd7862d84fb0b2824296035830afc86286bc8212af5fc164458b7777e84cbde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e561e4f622239a13c10be9249ad5b6746644e5238590dfb3f896f10492c701bc
[INFO] running `Command { std: "docker" "start" "-a" "e561e4f622239a13c10be9249ad5b6746644e5238590dfb3f896f10492c701bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling nand2tetris-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `hi`
[INFO] [stdout]   --> src/alu.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let hi = [false; 8];
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_hi`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dmux`
[INFO] [stdout]   --> src/gates.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn dmux(x: bool, sel: bool) -> (bool, bool) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `or_16`
[INFO] [stdout]   --> src/gates.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn or_16(x: [bool; 16], y: [bool; 16]) -> [bool; 16] {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mux_4_way_16`
[INFO] [stdout]    --> src/gates.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub fn mux_4_way_16(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mux_8_way_16`
[INFO] [stdout]    --> src/gates.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub fn mux_8_way_16(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dmux_4_way`
[INFO] [stdout]    --> src/gates.rs:135:8
[INFO] [stdout]     |
[INFO] [stdout] 135 | pub fn dmux_4_way(x: bool, sel: [bool; 2]) -> (bool, bool, bool, bool) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dmux_8_way`
[INFO] [stdout]    --> src/gates.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn dmux_8_way(x: bool, sel: [bool; 3]) -> (bool, bool, bool, bool, bool, bool, bool, bool) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `increment_16`
[INFO] [stdout]   --> src/alu.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn increment_16(x: [bool; 16]) -> [bool; 16] {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `out`
[INFO] [stdout]   --> src/alu.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     out: [bool; 16],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `AluResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/alu.rs:58:10
[INFO] [stdout]    |
[INFO] [stdout] 58 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `zr`
[INFO] [stdout]   --> src/alu.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     zr: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `AluResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/alu.rs:58:10
[INFO] [stdout]    |
[INFO] [stdout] 58 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ng`
[INFO] [stdout]   --> src/alu.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     ng: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `AluResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/alu.rs:58:10
[INFO] [stdout]    |
[INFO] [stdout] 58 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "e561e4f622239a13c10be9249ad5b6746644e5238590dfb3f896f10492c701bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e561e4f622239a13c10be9249ad5b6746644e5238590dfb3f896f10492c701bc", kill_on_drop: false }`
[INFO] [stdout] e561e4f622239a13c10be9249ad5b6746644e5238590dfb3f896f10492c701bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7d8510b80364dca023b6f66da937db6dc9cda82134eff7bc4ab3d6aadc0155cc
[INFO] running `Command { std: "docker" "start" "-a" "7d8510b80364dca023b6f66da937db6dc9cda82134eff7bc4ab3d6aadc0155cc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `hi`
[INFO] [stderr]   --> src/alu.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |     let hi = [false; 8];
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_hi`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dmux`
[INFO] [stderr]   --> src/gates.rs:36:8
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub fn dmux(x: bool, sel: bool) -> (bool, bool) {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `or_16`
[INFO] [stderr]   --> src/gates.rs:66:8
[INFO] [stderr]    |
[INFO] [stderr] 66 | pub fn or_16(x: [bool; 16], y: [bool; 16]) -> [bool; 16] {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mux_4_way_16`
[INFO] [stderr]    --> src/gates.rs:105:8
[INFO] [stderr]     |
[INFO] [stderr] 105 | pub fn mux_4_way_16(
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mux_8_way_16`
[INFO] [stderr]    --> src/gates.rs:117:8
[INFO] [stderr]     |
[INFO] [stderr] 117 | pub fn mux_8_way_16(
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dmux_4_way`
[INFO] [stderr]    --> src/gates.rs:135:8
[INFO] [stderr]     |
[INFO] [stderr] 135 | pub fn dmux_4_way(x: bool, sel: [bool; 2]) -> (bool, bool, bool, bool) {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dmux_8_way`
[INFO] [stderr]    --> src/gates.rs:142:8
[INFO] [stderr]     |
[INFO] [stderr] 142 | pub fn dmux_8_way(x: bool, sel: [bool; 3]) -> (bool, bool, bool, bool, bool, bool, bool, bool) {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `increment_16`
[INFO] [stderr]   --> src/alu.rs:50:8
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub fn increment_16(x: [bool; 16]) -> [bool; 16] {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `out`
[INFO] [stderr]   --> src/alu.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     out: [bool; 16],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `AluResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/alu.rs:58:10
[INFO] [stderr]    |
[INFO] [stderr] 58 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `zr`
[INFO] [stderr]   --> src/alu.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     zr: bool,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `AluResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/alu.rs:58:10
[INFO] [stderr]    |
[INFO] [stderr] 58 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `ng`
[INFO] [stderr]   --> src/alu.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     ng: bool,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `AluResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/alu.rs:58:10
[INFO] [stderr]    |
[INFO] [stderr] 58 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `nand2tetris-rust` (bin "nand2tetris-rust" test) generated 11 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 35.99s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nand2tetris_rust-b84c30168eba7925)
[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" "7d8510b80364dca023b6f66da937db6dc9cda82134eff7bc4ab3d6aadc0155cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d8510b80364dca023b6f66da937db6dc9cda82134eff7bc4ab3d6aadc0155cc", kill_on_drop: false }`
[INFO] [stdout] 7d8510b80364dca023b6f66da937db6dc9cda82134eff7bc4ab3d6aadc0155cc