[INFO] cloning repository https://github.com/pirsonxyz/lc3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pirsonxyz/lc3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpirsonxyz%2Flc3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpirsonxyz%2Flc3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b058629766e1513c97272f916495eaac9f1b9b81
[INFO] testing pirsonxyz/lc3 against beta-2025-10-28 for beta-1.92-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpirsonxyz%2Flc3" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pirsonxyz/lc3
[INFO] finished tweaking git repo https://github.com/pirsonxyz/lc3
[INFO] tweaked toml for git repo https://github.com/pirsonxyz/lc3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pirsonxyz/lc3 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pirsonxyz/lc3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ef0ef640f3835db8e1b96e9ddbb670ea0d6109ac3d6cf31012d18c58e0f1d5d
[INFO] running `Command { std: "docker" "start" "-a" "4ef0ef640f3835db8e1b96e9ddbb670ea0d6109ac3d6cf31012d18c58e0f1d5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ef0ef640f3835db8e1b96e9ddbb670ea0d6109ac3d6cf31012d18c58e0f1d5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ef0ef640f3835db8e1b96e9ddbb670ea0d6109ac3d6cf31012d18c58e0f1d5d", kill_on_drop: false }`
[INFO] [stdout] 4ef0ef640f3835db8e1b96e9ddbb670ea0d6109ac3d6cf31012d18c58e0f1d5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6aa2fcb788264daeef997567793a3fe2b7aefe731d9e3388f7318d2ab7031377
[INFO] running `Command { std: "docker" "start" "-a" "6aa2fcb788264daeef997567793a3fe2b7aefe731d9e3388f7318d2ab7031377", kill_on_drop: false }`
[INFO] [stderr]    Compiling lc3vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `PC`
[INFO] [stdout]   --> src/main.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn mem_read(PC: usize) -> OpCodes {
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_PC`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]   --> src/main.rs:72:15
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn read_image(arg: &str) -> bool {
[INFO] [stdout]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let mut running = true;
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MEMORY_MAX` is never used
[INFO] [stdout]  --> src/main.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | const MEMORY_MAX: usize = 1 << 16;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MEMORY` is never used
[INFO] [stdout]  --> src/main.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const MEMORY: [u16; MEMORY_MAX] = [0; MEMORY_MAX];
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/main.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | enum Registers {
[INFO] [stdout]    |      --------- variants in this enum
[INFO] [stdout]  7 |     R_R0 = 0,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  8 |     R_R1,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  9 |     R_R2,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 10 |     R_R3,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 11 |     R_R4,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     R_R5,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 13 |     R_R6,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 14 |     R_R7,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_TRAP` is never constructed
[INFO] [stdout]   --> src/main.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | enum OpCodes {
[INFO] [stdout]    |      ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 42 |     OP_TRAP,   /* execute trap */
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OpCodes` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `PC` should have a snake case name
[INFO] [stdout]   --> src/main.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn mem_read(PC: usize) -> OpCodes {
[INFO] [stdout]    |             ^^ help: convert the identifier to snake case: `pc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `PC_START` should have a snake case name
[INFO] [stdout]    --> src/main.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let PC_START = 0x3000;
[INFO] [stdout]     |         ^^^^^^^^ help: convert the identifier to snake case: `pc_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "6aa2fcb788264daeef997567793a3fe2b7aefe731d9e3388f7318d2ab7031377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aa2fcb788264daeef997567793a3fe2b7aefe731d9e3388f7318d2ab7031377", kill_on_drop: false }`
[INFO] [stdout] 6aa2fcb788264daeef997567793a3fe2b7aefe731d9e3388f7318d2ab7031377
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6529f61b785d21e0cc2a7364ce613de070391dbaabc289b523cca8561ec66693
[INFO] running `Command { std: "docker" "start" "-a" "6529f61b785d21e0cc2a7364ce613de070391dbaabc289b523cca8561ec66693", kill_on_drop: false }`
[INFO] [stderr]    Compiling lc3vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `PC`
[INFO] [stdout]   --> src/main.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn mem_read(PC: usize) -> OpCodes {
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_PC`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]   --> src/main.rs:72:15
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn read_image(arg: &str) -> bool {
[INFO] [stdout]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let mut running = true;
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MEMORY_MAX` is never used
[INFO] [stdout]  --> src/main.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | const MEMORY_MAX: usize = 1 << 16;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MEMORY` is never used
[INFO] [stdout]  --> src/main.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const MEMORY: [u16; MEMORY_MAX] = [0; MEMORY_MAX];
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/main.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | enum Registers {
[INFO] [stdout]    |      --------- variants in this enum
[INFO] [stdout]  7 |     R_R0 = 0,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  8 |     R_R1,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  9 |     R_R2,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 10 |     R_R3,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 11 |     R_R4,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     R_R5,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 13 |     R_R6,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 14 |     R_R7,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_TRAP` is never constructed
[INFO] [stdout]   --> src/main.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | enum OpCodes {
[INFO] [stdout]    |      ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 42 |     OP_TRAP,   /* execute trap */
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OpCodes` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `PC` should have a snake case name
[INFO] [stdout]   --> src/main.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn mem_read(PC: usize) -> OpCodes {
[INFO] [stdout]    |             ^^ help: convert the identifier to snake case: `pc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `PC_START` should have a snake case name
[INFO] [stdout]    --> src/main.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let PC_START = 0x3000;
[INFO] [stdout]     |         ^^^^^^^^ help: convert the identifier to snake case: `pc_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "6529f61b785d21e0cc2a7364ce613de070391dbaabc289b523cca8561ec66693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6529f61b785d21e0cc2a7364ce613de070391dbaabc289b523cca8561ec66693", kill_on_drop: false }`
[INFO] [stdout] 6529f61b785d21e0cc2a7364ce613de070391dbaabc289b523cca8561ec66693
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 575743619dcd6e82baf123fce908d49a0ffd2169be64b5c0d0b25bfc5fd69cb2
[INFO] running `Command { std: "docker" "start" "-a" "575743619dcd6e82baf123fce908d49a0ffd2169be64b5c0d0b25bfc5fd69cb2", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `PC`
[INFO] [stderr]   --> src/main.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 | fn mem_read(PC: usize) -> OpCodes {
[INFO] [stderr]    |             ^^ help: if this is intentional, prefix it with an underscore: `_PC`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]   --> src/main.rs:72:15
[INFO] [stderr]    |
[INFO] [stderr] 72 | fn read_image(arg: &str) -> bool {
[INFO] [stderr]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |     let mut running = true;
[INFO] [stderr]     |         ----^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MEMORY_MAX` is never used
[INFO] [stderr]  --> src/main.rs:2:7
[INFO] [stderr]   |
[INFO] [stderr] 2 | const MEMORY_MAX: usize = 1 << 16;
[INFO] [stderr]   |       ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MEMORY` is never used
[INFO] [stderr]  --> src/main.rs:3:7
[INFO] [stderr]   |
[INFO] [stderr] 3 | const MEMORY: [u16; MEMORY_MAX] = [0; MEMORY_MAX];
[INFO] [stderr]   |       ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple variants are never constructed
[INFO] [stderr]   --> src/main.rs:7:5
[INFO] [stderr]    |
[INFO] [stderr]  6 | enum Registers {
[INFO] [stderr]    |      --------- variants in this enum
[INFO] [stderr]  7 |     R_R0 = 0,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]  8 |     R_R1,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]  9 |     R_R2,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 10 |     R_R3,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 11 |     R_R4,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 12 |     R_R5,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 13 |     R_R6,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 14 |     R_R7,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `OP_TRAP` is never constructed
[INFO] [stderr]   --> src/main.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | enum OpCodes {
[INFO] [stderr]    |      ------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 42 |     OP_TRAP,   /* execute trap */
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `OpCodes` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variable `PC` should have a snake case name
[INFO] [stderr]   --> src/main.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 | fn mem_read(PC: usize) -> OpCodes {
[INFO] [stderr]    |             ^^ help: convert the identifier to snake case: `pc`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `PC_START` should have a snake case name
[INFO] [stderr]    --> src/main.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let PC_START = 0x3000;
[INFO] [stderr]     |         ^^^^^^^^ help: convert the identifier to snake case: `pc_start`
[INFO] [stderr] 
[INFO] [stderr] warning: `lc3vm` (bin "lc3vm" test) generated 9 warnings (run `cargo fix --bin "lc3vm" -p lc3vm --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lc3vm-a826b8f4db0a4a51)
[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" "575743619dcd6e82baf123fce908d49a0ffd2169be64b5c0d0b25bfc5fd69cb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "575743619dcd6e82baf123fce908d49a0ffd2169be64b5c0d0b25bfc5fd69cb2", kill_on_drop: false }`
[INFO] [stdout] 575743619dcd6e82baf123fce908d49a0ffd2169be64b5c0d0b25bfc5fd69cb2
