[INFO] updating cached repository https://github.com/nehri97/RSVM
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fc0aa00573c651d0a05822b60332989786fb11af
[INFO] testing nehri97/RSVM against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnehri97%2FRSVM" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nehri97/RSVM on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nehri97/RSVM
[INFO] finished tweaking git repo https://github.com/nehri97/RSVM
[INFO] tweaked toml for git repo https://github.com/nehri97/RSVM written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/nehri97/RSVM already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 82e61f417f462b6a2a3fd16a0345eb84019fe4d4c0d0b16c9872cd0d405ca16b
[INFO] running `"docker" "start" "-a" "82e61f417f462b6a2a3fd16a0345eb84019fe4d4c0d0b16c9872cd0d405ca16b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rsvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `memory::*`
[INFO] [stderr]  --> src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use memory::*;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cpu::CPU`
[INFO] [stderr]  --> src/lib.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use cpu::CPU;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `instructions::*`
[INFO] [stderr]  --> src/lib.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use instructions::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `MOV_REG_REG`
[INFO] [stderr]  --> src/instructions.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub const MOV_REG_REG: u8 = 0x11;   // Move a register's value to another register
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `MOV_REG_MEM`
[INFO] [stderr]  --> src/instructions.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub const MOV_REG_MEM: u8 = 0x12;   // Move a value from a register to memory
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `MOV_MEM_REG`
[INFO] [stderr]  --> src/instructions.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub const MOV_MEM_REG: u8 = 0x13;   // Move a value from memory to a register
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `ADD_REG_REG`
[INFO] [stderr]  --> src/instructions.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub const ADD_REG_REG: u8 = 0x14;   // Add values from two registers to the acc register
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `JMP_NEQ`
[INFO] [stderr]  --> src/instructions.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub const JMP_NEQ: u8 = 0x15;       // Jump if the value in the accumulator is different from a literal
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/memory.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(memsize: usize) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `REGISTERS`
[INFO] [stderr]  --> src/cpu.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | const REGISTERS: &[&str] = &["ip", "acc", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8"];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LoadFailure`
[INFO] [stderr]   --> src/cpu.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     LoadFailure,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InvalidRegister`
[INFO] [stderr]   --> src/cpu.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     InvalidRegister,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FetchFailure`
[INFO] [stderr]   --> src/cpu.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     FetchFailure,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ExecutionFailure`
[INFO] [stderr]   --> src/cpu.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     ExecutionFailure,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InvalidInstruction`
[INFO] [stderr]   --> src/cpu.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     InvalidInstruction
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `CPU`
[INFO] [stderr]   --> src/cpu.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct CPU {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/cpu.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn new(memory_item: Memory) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_register`
[INFO] [stderr]   --> src/cpu.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn get_register(&self, name: &str) -> Result<u16, CPUError> {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_register`
[INFO] [stderr]   --> src/cpu.rs:63:12
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn set_register(&mut self, name: &str, value: u16) -> Result<(), CPUError> {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_register_index`
[INFO] [stderr]   --> src/cpu.rs:81:8
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn get_register_index(&mut self) -> Result<u8, CPUError> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `fetch`
[INFO] [stderr]   --> src/cpu.rs:85:8
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn fetch(&mut self) -> Result<u8, CPUError> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `fetch16`
[INFO] [stderr]    --> src/cpu.rs:101:8
[INFO] [stderr]     |
[INFO] [stderr] 101 |     fn fetch16(&mut self) -> Result<u16, CPUError> {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `execute`
[INFO] [stderr]    --> src/cpu.rs:126:8
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn execute(&mut self, instruction: u8) -> Result<(), CPUError> {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `load`
[INFO] [stderr]    --> src/cpu.rs:198:12
[INFO] [stderr]     |
[INFO] [stderr] 198 |     pub fn load(&mut self, index: usize, value: u8) -> Result<(), CPUError> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `step`
[INFO] [stderr]    --> src/cpu.rs:203:12
[INFO] [stderr]     |
[INFO] [stderr] 203 |     pub fn step(&mut self) -> Result<(), CPUError> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `display`
[INFO] [stderr]    --> src/cpu.rs:208:12
[INFO] [stderr]     |
[INFO] [stderr] 208 |     pub fn display(&self) {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/cpu.rs:174:21
[INFO] [stderr]     |
[INFO] [stderr] 174 |                     self.set_register("ip", address);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 27 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "82e61f417f462b6a2a3fd16a0345eb84019fe4d4c0d0b16c9872cd0d405ca16b"`
[INFO] running `"docker" "rm" "-f" "82e61f417f462b6a2a3fd16a0345eb84019fe4d4c0d0b16c9872cd0d405ca16b"`
[INFO] [stdout] 82e61f417f462b6a2a3fd16a0345eb84019fe4d4c0d0b16c9872cd0d405ca16b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3104adac4576239b307adf93eb0ca38a1e942c174dc8ec58d9a0c8037d5592cc
[INFO] running `"docker" "start" "-a" "3104adac4576239b307adf93eb0ca38a1e942c174dc8ec58d9a0c8037d5592cc"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rsvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `memory::*`
[INFO] [stderr]  --> src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use memory::*;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cpu::CPU`
[INFO] [stderr]  --> src/lib.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use cpu::CPU;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `instructions::*`
[INFO] [stderr]  --> src/lib.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use instructions::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `MOV_REG_REG`
[INFO] [stderr]  --> src/instructions.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub const MOV_REG_REG: u8 = 0x11;   // Move a register's value to another register
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `MOV_REG_MEM`
[INFO] [stderr]  --> src/instructions.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub const MOV_REG_MEM: u8 = 0x12;   // Move a value from a register to memory
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `MOV_MEM_REG`
[INFO] [stderr]  --> src/instructions.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub const MOV_MEM_REG: u8 = 0x13;   // Move a value from memory to a register
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `ADD_REG_REG`
[INFO] [stderr]  --> src/instructions.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub const ADD_REG_REG: u8 = 0x14;   // Add values from two registers to the acc register
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `JMP_NEQ`
[INFO] [stderr]  --> src/instructions.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub const JMP_NEQ: u8 = 0x15;       // Jump if the value in the accumulator is different from a literal
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/memory.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(memsize: usize) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `REGISTERS`
[INFO] [stderr]  --> src/cpu.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | const REGISTERS: &[&str] = &["ip", "acc", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8"];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LoadFailure`
[INFO] [stderr]   --> src/cpu.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     LoadFailure,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InvalidRegister`
[INFO] [stderr]   --> src/cpu.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     InvalidRegister,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FetchFailure`
[INFO] [stderr]   --> src/cpu.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     FetchFailure,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ExecutionFailure`
[INFO] [stderr]   --> src/cpu.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     ExecutionFailure,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InvalidInstruction`
[INFO] [stderr]   --> src/cpu.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     InvalidInstruction
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `CPU`
[INFO] [stderr]   --> src/cpu.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct CPU {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/cpu.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn new(memory_item: Memory) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_register`
[INFO] [stderr]   --> src/cpu.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn get_register(&self, name: &str) -> Result<u16, CPUError> {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_register`
[INFO] [stderr]   --> src/cpu.rs:63:12
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn set_register(&mut self, name: &str, value: u16) -> Result<(), CPUError> {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_register_index`
[INFO] [stderr]   --> src/cpu.rs:81:8
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn get_register_index(&mut self) -> Result<u8, CPUError> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `fetch`
[INFO] [stderr]   --> src/cpu.rs:85:8
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn fetch(&mut self) -> Result<u8, CPUError> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `fetch16`
[INFO] [stderr]    --> src/cpu.rs:101:8
[INFO] [stderr]     |
[INFO] [stderr] 101 |     fn fetch16(&mut self) -> Result<u16, CPUError> {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `execute`
[INFO] [stderr]    --> src/cpu.rs:126:8
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn execute(&mut self, instruction: u8) -> Result<(), CPUError> {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `load`
[INFO] [stderr]    --> src/cpu.rs:198:12
[INFO] [stderr]     |
[INFO] [stderr] 198 |     pub fn load(&mut self, index: usize, value: u8) -> Result<(), CPUError> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `step`
[INFO] [stderr]    --> src/cpu.rs:203:12
[INFO] [stderr]     |
[INFO] [stderr] 203 |     pub fn step(&mut self) -> Result<(), CPUError> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `display`
[INFO] [stderr]    --> src/cpu.rs:208:12
[INFO] [stderr]     |
[INFO] [stderr] 208 |     pub fn display(&self) {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/cpu.rs:174:21
[INFO] [stderr]     |
[INFO] [stderr] 174 |                     self.set_register("ip", address);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 27 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `instructions::*`
[INFO] [stderr]  --> src/lib.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use instructions::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LoadFailure`
[INFO] [stderr]   --> src/cpu.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     LoadFailure,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `display`
[INFO] [stderr]    --> src/cpu.rs:208:12
[INFO] [stderr]     |
[INFO] [stderr] 208 |     pub fn display(&self) {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/cpu.rs:174:21
[INFO] [stderr]     |
[INFO] [stderr] 174 |                     self.set_register("ip", address);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         instance.load(0, 0x10);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |         instance.load(1, 0x12);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         instance.load(2, 0x34);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         instance.load(3, 2);     
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |         instance.step();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         instance.load(0, 0x10);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |         instance.load(1, 0x12);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |         instance.load(2, 0x34);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |         instance.load(3, 2);     
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         instance.load(4, 0x11);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         instance.load(5, 2);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         instance.load(6, 3);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |         instance.step();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         instance.step();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `"docker" "inspect" "3104adac4576239b307adf93eb0ca38a1e942c174dc8ec58d9a0c8037d5592cc"`
[INFO] running `"docker" "rm" "-f" "3104adac4576239b307adf93eb0ca38a1e942c174dc8ec58d9a0c8037d5592cc"`
[INFO] [stdout] 3104adac4576239b307adf93eb0ca38a1e942c174dc8ec58d9a0c8037d5592cc
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4d3c07b5148c7c5da3d77df74f8b51c6f1a9b46c8b53fda9f13d2de2e1cc9531
[INFO] running `"docker" "start" "-a" "4d3c07b5148c7c5da3d77df74f8b51c6f1a9b46c8b53fda9f13d2de2e1cc9531"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `memory::*`
[INFO] [stderr]  --> src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use memory::*;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cpu::CPU`
[INFO] [stderr]  --> src/lib.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use cpu::CPU;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `instructions::*`
[INFO] [stderr]  --> src/lib.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use instructions::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `MOV_REG_REG`
[INFO] [stderr]  --> src/instructions.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub const MOV_REG_REG: u8 = 0x11;   // Move a register's value to another register
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `MOV_REG_MEM`
[INFO] [stderr]  --> src/instructions.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub const MOV_REG_MEM: u8 = 0x12;   // Move a value from a register to memory
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `MOV_MEM_REG`
[INFO] [stderr]  --> src/instructions.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub const MOV_MEM_REG: u8 = 0x13;   // Move a value from memory to a register
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `ADD_REG_REG`
[INFO] [stderr]  --> src/instructions.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub const ADD_REG_REG: u8 = 0x14;   // Add values from two registers to the acc register
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `JMP_NEQ`
[INFO] [stderr]  --> src/instructions.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub const JMP_NEQ: u8 = 0x15;       // Jump if the value in the accumulator is different from a literal
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/memory.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(memsize: usize) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `REGISTERS`
[INFO] [stderr]  --> src/cpu.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | const REGISTERS: &[&str] = &["ip", "acc", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8"];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `instructions::*`
[INFO] [stderr]  --> src/lib.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use instructions::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LoadFailure`
[INFO] [stderr]   --> src/cpu.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     LoadFailure,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LoadFailure`
[INFO] [stderr]   --> src/cpu.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     LoadFailure,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InvalidRegister`
[INFO] [stderr]   --> src/cpu.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     InvalidRegister,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `display`
[INFO] [stderr]    --> src/cpu.rs:208:12
[INFO] [stderr]     |
[INFO] [stderr] 208 |     pub fn display(&self) {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FetchFailure`
[INFO] [stderr]   --> src/cpu.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     FetchFailure,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ExecutionFailure`
[INFO] [stderr]   --> src/cpu.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     ExecutionFailure,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/cpu.rs:174:21
[INFO] [stderr]     |
[INFO] [stderr] 174 |                     self.set_register("ip", address);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InvalidInstruction`
[INFO] [stderr]   --> src/cpu.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     InvalidInstruction
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         instance.load(0, 0x10);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `CPU`
[INFO] [stderr]   --> src/cpu.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct CPU {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/cpu.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn new(memory_item: Memory) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |         instance.load(1, 0x12);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_register`
[INFO] [stderr]   --> src/cpu.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn get_register(&self, name: &str) -> Result<u16, CPUError> {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         instance.load(2, 0x34);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_register`
[INFO] [stderr]   --> src/cpu.rs:63:12
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn set_register(&mut self, name: &str, value: u16) -> Result<(), CPUError> {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         instance.load(3, 2);     
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_register_index`
[INFO] [stderr]   --> src/cpu.rs:81:8
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn get_register_index(&mut self) -> Result<u8, CPUError> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |         instance.step();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `fetch`
[INFO] [stderr]   --> src/cpu.rs:85:8
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn fetch(&mut self) -> Result<u8, CPUError> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `fetch16`
[INFO] [stderr]    --> src/cpu.rs:101:8
[INFO] [stderr]     |
[INFO] [stderr] 101 |     fn fetch16(&mut self) -> Result<u16, CPUError> {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         instance.load(0, 0x10);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `execute`
[INFO] [stderr]    --> src/cpu.rs:126:8
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn execute(&mut self, instruction: u8) -> Result<(), CPUError> {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |         instance.load(1, 0x12);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `load`
[INFO] [stderr]    --> src/cpu.rs:198:12
[INFO] [stderr]     |
[INFO] [stderr] 198 |     pub fn load(&mut self, index: usize, value: u8) -> Result<(), CPUError> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `step`
[INFO] [stderr]    --> src/cpu.rs:203:12
[INFO] [stderr]     |
[INFO] [stderr] 203 |     pub fn step(&mut self) -> Result<(), CPUError> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |         instance.load(2, 0x34);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `display`
[INFO] [stderr]    --> src/cpu.rs:208:12
[INFO] [stderr]     |
[INFO] [stderr] 208 |     pub fn display(&self) {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |         instance.load(3, 2);     
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/cpu.rs:174:21
[INFO] [stderr]     |
[INFO] [stderr] 174 |                     self.set_register("ip", address);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         instance.load(4, 0x11);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 27 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         instance.load(5, 2);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         instance.load(6, 3);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |         instance.step();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         instance.step();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rsvm-924b9a44cc8bf147
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rsvm-02fda918bf2bf63a
[INFO] [stdout] test tests::mov_lit_reg ... ok
[INFO] [stdout] test tests::mov_reg_reg ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rsvm
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4d3c07b5148c7c5da3d77df74f8b51c6f1a9b46c8b53fda9f13d2de2e1cc9531"`
[INFO] running `"docker" "rm" "-f" "4d3c07b5148c7c5da3d77df74f8b51c6f1a9b46c8b53fda9f13d2de2e1cc9531"`
[INFO] [stdout] 4d3c07b5148c7c5da3d77df74f8b51c6f1a9b46c8b53fda9f13d2de2e1cc9531