[INFO] cloning repository https://github.com/LorenzoEvans/N2T
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LorenzoEvans/N2T" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLorenzoEvans%2FN2T", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLorenzoEvans%2FN2T'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99880b5ee4b3434a86cf362571053c4ca3e9bfee
[INFO] testing LorenzoEvans/N2T against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLorenzoEvans%2FN2T" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LorenzoEvans/N2T on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LorenzoEvans/N2T
[INFO] finished tweaking git repo https://github.com/LorenzoEvans/N2T
[INFO] tweaked toml for git repo https://github.com/LorenzoEvans/N2T written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/LorenzoEvans/N2T already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", 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] a7bf8fc22e35982ea3e7931b9fcb07932c0c2634ba8aaaa9b1b6661ae798a94d
[INFO] running `Command { std: "docker" "start" "-a" "a7bf8fc22e35982ea3e7931b9fcb07932c0c2634ba8aaaa9b1b6661ae798a94d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7bf8fc22e35982ea3e7931b9fcb07932c0c2634ba8aaaa9b1b6661ae798a94d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7bf8fc22e35982ea3e7931b9fcb07932c0c2634ba8aaaa9b1b6661ae798a94d", kill_on_drop: false }`
[INFO] [stdout] a7bf8fc22e35982ea3e7931b9fcb07932c0c2634ba8aaaa9b1b6661ae798a94d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--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] 6215be08a9228eee43bcf19826cf2451c8a35efa5dcfc33532a45fcdd40f3841
[INFO] running `Command { std: "docker" "start" "-a" "6215be08a9228eee43bcf19826cf2451c8a35efa5dcfc33532a45fcdd40f3841", kill_on_drop: false }`
[INFO] [stderr]    Compiling nand2_tetris v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cell::Cell`
[INFO] [stdout]  --> src/ALU.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     use std::cell::Cell;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::option::Option`
[INFO] [stdout]  --> src/ALU.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use std::option::Option;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `and_16`, `dmux_4w`, `dmux_8w`, `dmux`, `mux_16_4w`, `mux_16_8w`, `mux_16`, `mux`, `nand`, `or_16`, `or_8w`, `or_nand`, `or`, `xor`
[INFO] [stdout]   --> src/ALU.rs:4:27
[INFO] [stdout]    |
[INFO] [stdout] 4  |     use crate::l_g::l_g::{nand,
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout] 5  |                           or_nand,
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout] 6  |                           and,
[INFO] [stdout] 7  |                           and_16,
[INFO] [stdout]    |                           ^^^^^^
[INFO] [stdout] 8  |                           or, 
[INFO] [stdout]    |                           ^^
[INFO] [stdout] 9  |                           or_16,
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout] 10 |                           or_8w,
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout] 11 |                           mux,
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 12 |                           mux_16,
[INFO] [stdout]    |                           ^^^^^^
[INFO] [stdout] 13 |                           mux_16_4w,
[INFO] [stdout]    |                           ^^^^^^^^^
[INFO] [stdout] 14 |                           mux_16_8w,
[INFO] [stdout]    |                           ^^^^^^^^^
[INFO] [stdout] 15 |                           dmux,
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout] 16 |                           dmux_4w,
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout] 17 |                           dmux_8w,
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout] 18 |                           xor,
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `carry` is never read
[INFO] [stdout]   --> src/ALU.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let mut carry = 0;
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/ALU.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let mut result: Vec<i32> = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/ALU.rs:172:17
[INFO] [stdout]     |
[INFO] [stdout] 172 |             let mut y: [i32; 16] = [0; 16];
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/ALU.rs:169:30
[INFO] [stdout]     |
[INFO] [stdout] 169 |        pub fn z_x(&mut self, x: [i32;16]) {
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/ALU.rs:202:31
[INFO] [stdout]     |
[INFO] [stdout] 202 |         pub fn z_y(&mut self, y: [i32;16]) {
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `carry` is never read
[INFO] [stdout]    --> src/ALU.rs:237:25
[INFO] [stdout]     |
[INFO] [stdout] 237 |                     let mut carry = 0;
[INFO] [stdout]     |                         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ALU.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let mut result: Vec<i32> = Vec::new();
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ALU.rs:172:17
[INFO] [stdout]     |
[INFO] [stdout] 172 |             let mut y: [i32; 16] = [0; 16];
[INFO] [stdout]     |                 ----^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ALU.rs:278:17
[INFO] [stdout]     |
[INFO] [stdout] 278 |             let mut z_b: [i32;16] = [0;16];
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `ALU` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod ALU;
[INFO] [stdout]   |         ^^^ help: convert the identifier to snake case: `alu`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `ALU` should have a snake case name
[INFO] [stdout]  --> src/ALU.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod ALU {
[INFO] [stdout]   |         ^^^ help: convert the identifier to snake case: `alu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "6215be08a9228eee43bcf19826cf2451c8a35efa5dcfc33532a45fcdd40f3841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6215be08a9228eee43bcf19826cf2451c8a35efa5dcfc33532a45fcdd40f3841", kill_on_drop: false }`
[INFO] [stdout] 6215be08a9228eee43bcf19826cf2451c8a35efa5dcfc33532a45fcdd40f3841
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--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] 280c8559e78b7826d37cdd5d9f56f2c4fc2d8a97808d48dd4e76948632985b4a
[INFO] running `Command { std: "docker" "start" "-a" "280c8559e78b7826d37cdd5d9f56f2c4fc2d8a97808d48dd4e76948632985b4a", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::cell::Cell`
[INFO] [stdout]  --> src/ALU.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     use std::cell::Cell;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nand2_tetris v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::option::Option`
[INFO] [stdout]  --> src/ALU.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use std::option::Option;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `and_16`, `dmux_4w`, `dmux_8w`, `dmux`, `mux_16_4w`, `mux_16_8w`, `mux_16`, `mux`, `nand`, `or_16`, `or_8w`, `or_nand`, `or`, `xor`
[INFO] [stdout]   --> src/ALU.rs:4:27
[INFO] [stdout]    |
[INFO] [stdout] 4  |     use crate::l_g::l_g::{nand,
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout] 5  |                           or_nand,
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout] 6  |                           and,
[INFO] [stdout] 7  |                           and_16,
[INFO] [stdout]    |                           ^^^^^^
[INFO] [stdout] 8  |                           or, 
[INFO] [stdout]    |                           ^^
[INFO] [stdout] 9  |                           or_16,
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout] 10 |                           or_8w,
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout] 11 |                           mux,
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 12 |                           mux_16,
[INFO] [stdout]    |                           ^^^^^^
[INFO] [stdout] 13 |                           mux_16_4w,
[INFO] [stdout]    |                           ^^^^^^^^^
[INFO] [stdout] 14 |                           mux_16_8w,
[INFO] [stdout]    |                           ^^^^^^^^^
[INFO] [stdout] 15 |                           dmux,
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout] 16 |                           dmux_4w,
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout] 17 |                           dmux_8w,
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout] 18 |                           xor,
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `carry` is never read
[INFO] [stdout]   --> src/ALU.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let mut carry = 0;
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/ALU.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let mut result: Vec<i32> = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/ALU.rs:172:17
[INFO] [stdout]     |
[INFO] [stdout] 172 |             let mut y: [i32; 16] = [0; 16];
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/ALU.rs:169:30
[INFO] [stdout]     |
[INFO] [stdout] 169 |        pub fn z_x(&mut self, x: [i32;16]) {
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/ALU.rs:202:31
[INFO] [stdout]     |
[INFO] [stdout] 202 |         pub fn z_y(&mut self, y: [i32;16]) {
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `carry` is never read
[INFO] [stdout]    --> src/ALU.rs:237:25
[INFO] [stdout]     |
[INFO] [stdout] 237 |                     let mut carry = 0;
[INFO] [stdout]     |                         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ALU.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let mut result: Vec<i32> = Vec::new();
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ALU.rs:172:17
[INFO] [stdout]     |
[INFO] [stdout] 172 |             let mut y: [i32; 16] = [0; 16];
[INFO] [stdout]     |                 ----^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ALU.rs:278:17
[INFO] [stdout]     |
[INFO] [stdout] 278 |             let mut z_b: [i32;16] = [0;16];
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `ALU` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod ALU;
[INFO] [stdout]   |         ^^^ help: convert the identifier to snake case: `alu`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `ALU` should have a snake case name
[INFO] [stdout]  --> src/ALU.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod ALU {
[INFO] [stdout]   |         ^^^ help: convert the identifier to snake case: `alu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::Cell`
[INFO] [stdout]  --> src/ALU.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     use std::cell::Cell;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::option::Option`
[INFO] [stdout]  --> src/ALU.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use std::option::Option;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `and_16`, `dmux_4w`, `dmux_8w`, `dmux`, `mux_16_4w`, `mux_16_8w`, `mux_16`, `mux`, `nand`, `or_16`, `or_8w`, `or_nand`, `or`, `xor`
[INFO] [stdout]   --> src/ALU.rs:4:27
[INFO] [stdout]    |
[INFO] [stdout] 4  |     use crate::l_g::l_g::{nand,
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout] 5  |                           or_nand,
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout] 6  |                           and,
[INFO] [stdout] 7  |                           and_16,
[INFO] [stdout]    |                           ^^^^^^
[INFO] [stdout] 8  |                           or, 
[INFO] [stdout]    |                           ^^
[INFO] [stdout] 9  |                           or_16,
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout] 10 |                           or_8w,
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout] 11 |                           mux,
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 12 |                           mux_16,
[INFO] [stdout]    |                           ^^^^^^
[INFO] [stdout] 13 |                           mux_16_4w,
[INFO] [stdout]    |                           ^^^^^^^^^
[INFO] [stdout] 14 |                           mux_16_8w,
[INFO] [stdout]    |                           ^^^^^^^^^
[INFO] [stdout] 15 |                           dmux,
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout] 16 |                           dmux_4w,
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout] 17 |                           dmux_8w,
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout] 18 |                           xor,
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `carry` is never read
[INFO] [stdout]   --> src/ALU.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let mut carry = 0;
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/ALU.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let mut result: Vec<i32> = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/ALU.rs:172:17
[INFO] [stdout]     |
[INFO] [stdout] 172 |             let mut y: [i32; 16] = [0; 16];
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/ALU.rs:169:30
[INFO] [stdout]     |
[INFO] [stdout] 169 |        pub fn z_x(&mut self, x: [i32;16]) {
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/ALU.rs:202:31
[INFO] [stdout]     |
[INFO] [stdout] 202 |         pub fn z_y(&mut self, y: [i32;16]) {
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `carry` is never read
[INFO] [stdout]    --> src/ALU.rs:237:25
[INFO] [stdout]     |
[INFO] [stdout] 237 |                     let mut carry = 0;
[INFO] [stdout]     |                         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ALU.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let mut result: Vec<i32> = Vec::new();
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: can't compare `[i32; 16]` with `()`
[INFO] [stdout]   --> tests/adder_tests.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         assert_eq!(expctd_otpt, y_otpt)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `[i32; 16] == ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::cmp::PartialEq<()>` is not implemented for `[i32; 16]`
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ALU.rs:172:17
[INFO] [stdout]     |
[INFO] [stdout] 172 |             let mut y: [i32; 16] = [0; 16];
[INFO] [stdout]     |                 ----^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ALU.rs:278:17
[INFO] [stdout]     |
[INFO] [stdout] 278 |             let mut z_b: [i32;16] = [0;16];
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nand2_tetris`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: module `ALU` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod ALU;
[INFO] [stdout]   |         ^^^ help: convert the identifier to snake case: `alu`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `ALU` should have a snake case name
[INFO] [stdout]  --> src/ALU.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod ALU {
[INFO] [stdout]   |         ^^^ help: convert the identifier to snake case: `alu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `and_gate_4`
[INFO] [stdout]   --> tests/l_g_tests.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let and_gate_4 = and(0, 1);
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_and_gate_4`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mux_16_8w_arr_4`
[INFO] [stdout]    --> tests/l_g_tests.rs:169:13
[INFO] [stdout]     |
[INFO] [stdout] 169 |         let mux_16_8w_arr_4 = [0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1];
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mux_16_8w_arr_4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out`
[INFO] [stdout]    --> tests/l_g_tests.rs:272:13
[INFO] [stdout]     |
[INFO] [stdout] 272 |         let out = [1, 0, 1, 0, 1, 0, 1, 0,];
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_not`
[INFO] [stdout]    --> tests/l_g_tests.rs:298:8
[INFO] [stdout]     |
[INFO] [stdout] 298 |     fn test_not() {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "280c8559e78b7826d37cdd5d9f56f2c4fc2d8a97808d48dd4e76948632985b4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "280c8559e78b7826d37cdd5d9f56f2c4fc2d8a97808d48dd4e76948632985b4a", kill_on_drop: false }`
[INFO] [stdout] 280c8559e78b7826d37cdd5d9f56f2c4fc2d8a97808d48dd4e76948632985b4a