[INFO] cloning repository https://github.com/KFTamang/rv-emu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KFTamang/rv-emu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKFTamang%2Frv-emu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKFTamang%2Frv-emu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d399ce266ae5415aa2b9e2fe6bd710f146cd8e8
[INFO] checking KFTamang/rv-emu/0d399ce266ae5415aa2b9e2fe6bd710f146cd8e8 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKFTamang%2Frv-emu" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KFTamang/rv-emu on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KFTamang/rv-emu
[INFO] finished tweaking git repo https://github.com/KFTamang/rv-emu
[INFO] tweaked toml for git repo https://github.com/KFTamang/rv-emu written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/KFTamang/rv-emu 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gdbstub v0.7.0
[INFO] [stderr]   Downloaded gdbstub_arch v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f3b832258742c8e11b00bc04637735abdf4ec07f582fb5cca5446b57998857a
[INFO] running `Command { std: "docker" "start" "-a" "6f3b832258742c8e11b00bc04637735abdf4ec07f582fb5cca5446b57998857a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f3b832258742c8e11b00bc04637735abdf4ec07f582fb5cca5446b57998857a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f3b832258742c8e11b00bc04637735abdf4ec07f582fb5cca5446b57998857a", kill_on_drop: false }`
[INFO] [stdout] 6f3b832258742c8e11b00bc04637735abdf4ec07f582fb5cca5446b57998857a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3040836fb0e6b938a0aba1d51f9e80f40b67eaa48d9b3bfd5503c2e8cbe94640
[INFO] running `Command { std: "docker" "start" "-a" "3040836fb0e6b938a0aba1d51f9e80f40b67eaa48d9b3bfd5503c2e8cbe94640", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking managed v0.8.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking gdbstub v0.7.0
[INFO] [stderr]     Checking gdbstub_arch v0.3.0
[INFO] [stderr]    Compiling clap_derive v3.1.18
[INFO] [stderr]     Checking clap v3.1.18
[INFO] [stderr]     Checking rv-emu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ptr::read`
[INFO] [stdout]  --> src/debugger.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ptr::read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::dram`
[INFO] [stdout]  --> src/debugger.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::dram;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr::read`
[INFO] [stdout]  --> src/debugger.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ptr::read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::dram`
[INFO] [stdout]  --> src/debugger.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::dram;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/clint.rs:20:24
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn load(&self, addr: u64, size: u64) -> Result<u64, Exception> {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/clint.rs:20:35
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn load(&self, addr: u64, size: u64) -> Result<u64, Exception> {
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/clint.rs:24:29
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn store(&mut self, addr: u64, size: u64, value: u64) -> Result<(), Exception> {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/clint.rs:24:40
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn store(&mut self, addr: u64, size: u64, value: u64) -> Result<(), Exception> {
[INFO] [stdout]    |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/clint.rs:24:51
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn store(&mut self, addr: u64, size: u64, value: u64) -> Result<(), Exception> {
[INFO] [stdout]    |                                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `asid`
[INFO] [stdout]    --> src/cpu.rs:186:13
[INFO] [stdout]     |
[INFO] [stdout] 186 |         let asid = (satp >> 22) & 0x1ff;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_asid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/cpu.rs:203:21
[INFO] [stdout]     |
[INFO] [stdout] 203 |                 let u = bit(pte, 4);
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/cpu.rs:204:21
[INFO] [stdout]     |
[INFO] [stdout] 204 |                 let g = bit(pte, 5);
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/clint.rs:20:24
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn load(&self, addr: u64, size: u64) -> Result<u64, Exception> {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/clint.rs:20:35
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn load(&self, addr: u64, size: u64) -> Result<u64, Exception> {
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/clint.rs:24:29
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn store(&mut self, addr: u64, size: u64, value: u64) -> Result<(), Exception> {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/clint.rs:24:40
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn store(&mut self, addr: u64, size: u64, value: u64) -> Result<(), Exception> {
[INFO] [stdout]    |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/clint.rs:24:51
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn store(&mut self, addr: u64, size: u64, value: u64) -> Result<(), Exception> {
[INFO] [stdout]    |                                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `asid`
[INFO] [stdout]    --> src/cpu.rs:186:13
[INFO] [stdout]     |
[INFO] [stdout] 186 |         let asid = (satp >> 22) & 0x1ff;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_asid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/cpu.rs:203:21
[INFO] [stdout]     |
[INFO] [stdout] 203 |                 let u = bit(pte, 4);
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/cpu.rs:204:21
[INFO] [stdout]     |
[INFO] [stdout] 204 |                 let g = bit(pte, 5);
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/plic.rs:20:24
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn load(&self, addr: u64, size: u64) -> Result<u64, Exception> {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/plic.rs:20:35
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn load(&self, addr: u64, size: u64) -> Result<u64, Exception> {
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/plic.rs:24:29
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn store(&mut self, addr: u64, size: u64, value: u64) -> Result<(), Exception> {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/plic.rs:24:40
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn store(&mut self, addr: u64, size: u64, value: u64) -> Result<(), Exception> {
[INFO] [stdout]    |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/plic.rs:24:51
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn store(&mut self, addr: u64, size: u64, value: u64) -> Result<(), Exception> {
[INFO] [stdout]    |                                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/plic.rs:20:24
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn load(&self, addr: u64, size: u64) -> Result<u64, Exception> {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source_slice`
[INFO] [stdout]   --> src/debugger.rs:87:23
[INFO] [stdout]    |
[INFO] [stdout] 87 |             if let Ok(source_slice) =
[INFO] [stdout]    |                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_source_slice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source_slice`
[INFO] [stdout]   --> src/debugger.rs:98:23
[INFO] [stdout]    |
[INFO] [stdout] 98 |             if let Ok(source_slice) =
[INFO] [stdout]    |                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_source_slice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signal`
[INFO] [stdout]    --> src/debugger.rs:120:26
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn resume(&mut self, signal: Option<Signal>) -> Result<(), Self::Error> {
[INFO] [stdout]     |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signal`
[INFO] [stdout]    --> src/debugger.rs:135:24
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn step(&mut self, signal: Option<Signal>) -> Result<(), Self::Error> {
[INFO] [stdout]     |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/debugger.rs:150:37
[INFO] [stdout]     |
[INFO] [stdout] 150 |     fn add_sw_breakpoint(&mut self, addr: u64, kind: usize) -> TargetResult<bool, Self> {
[INFO] [stdout]     |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kind`
[INFO] [stdout]    --> src/debugger.rs:150:48
[INFO] [stdout]     |
[INFO] [stdout] 150 |     fn add_sw_breakpoint(&mut self, addr: u64, kind: usize) -> TargetResult<bool, Self> {
[INFO] [stdout]     |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/debugger.rs:154:40
[INFO] [stdout]     |
[INFO] [stdout] 154 |     fn remove_sw_breakpoint(&mut self, addr: u64, kind: usize) -> TargetResult<bool, Self> {
[INFO] [stdout]     |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kind`
[INFO] [stdout]    --> src/debugger.rs:154:51
[INFO] [stdout]     |
[INFO] [stdout] 154 |     fn remove_sw_breakpoint(&mut self, addr: u64, kind: usize) -> TargetResult<bool, Self> {
[INFO] [stdout]     |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/plic.rs:20:35
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn load(&self, addr: u64, size: u64) -> Result<u64, Exception> {
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/plic.rs:24:29
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn store(&mut self, addr: u64, size: u64, value: u64) -> Result<(), Exception> {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/plic.rs:24:40
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn store(&mut self, addr: u64, size: u64, value: u64) -> Result<(), Exception> {
[INFO] [stdout]    |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/plic.rs:24:51
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn store(&mut self, addr: u64, size: u64, value: u64) -> Result<(), Exception> {
[INFO] [stdout]    |                                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> src/debugger.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |         target: &mut Emu,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source_slice`
[INFO] [stdout]   --> src/debugger.rs:87:23
[INFO] [stdout]    |
[INFO] [stdout] 87 |             if let Ok(source_slice) =
[INFO] [stdout]    |                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_source_slice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source_slice`
[INFO] [stdout]   --> src/debugger.rs:98:23
[INFO] [stdout]    |
[INFO] [stdout] 98 |             if let Ok(source_slice) =
[INFO] [stdout]    |                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_source_slice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signal`
[INFO] [stdout]    --> src/debugger.rs:120:26
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn resume(&mut self, signal: Option<Signal>) -> Result<(), Self::Error> {
[INFO] [stdout]     |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signal`
[INFO] [stdout]    --> src/debugger.rs:135:24
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn step(&mut self, signal: Option<Signal>) -> Result<(), Self::Error> {
[INFO] [stdout]     |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/debugger.rs:150:37
[INFO] [stdout]     |
[INFO] [stdout] 150 |     fn add_sw_breakpoint(&mut self, addr: u64, kind: usize) -> TargetResult<bool, Self> {
[INFO] [stdout]     |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kind`
[INFO] [stdout]    --> src/debugger.rs:150:48
[INFO] [stdout]     |
[INFO] [stdout] 150 |     fn add_sw_breakpoint(&mut self, addr: u64, kind: usize) -> TargetResult<bool, Self> {
[INFO] [stdout]     |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/debugger.rs:154:40
[INFO] [stdout]     |
[INFO] [stdout] 154 |     fn remove_sw_breakpoint(&mut self, addr: u64, kind: usize) -> TargetResult<bool, Self> {
[INFO] [stdout]     |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kind`
[INFO] [stdout]    --> src/debugger.rs:154:51
[INFO] [stdout]     |
[INFO] [stdout] 154 |     fn remove_sw_breakpoint(&mut self, addr: u64, kind: usize) -> TargetResult<bool, Self> {
[INFO] [stdout]     |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> src/debugger.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |         target: &mut Emu,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `counter`
[INFO] [stdout]   --> src/main.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let mut counter = cli.count.unwrap_or(-1);
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_counter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let mut counter = cli.count.unwrap_or(-1);
[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: unused variable: `counter`
[INFO] [stdout]   --> src/main.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let mut counter = cli.count.unwrap_or(-1);
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_counter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let mut counter = cli.count.unwrap_or(-1);
[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: method `dump` is never used
[INFO] [stdout]    --> src/bus.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 16  | impl Bus {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 110 |     pub fn dump(&self, path: &str) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Event` is never used
[INFO] [stdout]   --> src/cpu.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub enum Event {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `trap` is never used
[INFO] [stdout]    --> src/cpu.rs:252:8
[INFO] [stdout]     |
[INFO] [stdout] 47  | impl Cpu {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 252 |     fn trap(&mut self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `mstatus_mie`, `mie`, `mip`, and `set_bit_in_mip` are never used
[INFO] [stdout]    --> src/csr.rs:77:12
[INFO] [stdout]     |
[INFO] [stdout] 56  | impl Csr {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 77  |     pub fn mstatus_mie(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub fn mie(&self) -> u64 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |     pub fn mip(&self) -> u64 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub fn set_bit_in_mip(&mut self, val: u32) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `dump` is never used
[INFO] [stdout]    --> src/dram.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 13  | impl Dram {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 104 |     pub fn dump(&self, path: &str) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/interrupt.rs:136:24
[INFO] [stdout]     |
[INFO] [stdout] 136 |     IllegalInstruction(u32),
[INFO] [stdout]     |     ------------------ ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Exception` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 136 |     IllegalInstruction(()),
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/interrupt.rs:146:19
[INFO] [stdout]     |
[INFO] [stdout] 146 |     LoadPageFault(u32),
[INFO] [stdout]     |     ------------- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Exception` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 146 |     LoadPageFault(()),
[INFO] [stdout]     |                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]    --> src/interrupt.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub enum Exception {
[INFO] [stdout]     |          --------- variants in this enum
[INFO] [stdout] 134 |     InstructionAddressMissaligned,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 135 |     InstructionAccessFault,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 136 |     IllegalInstruction(u32),
[INFO] [stdout] 137 |     BreakPoint,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 138 |     LoadAddressMissaligned,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 139 |     LoadAccessFault,
[INFO] [stdout] 140 |     StoreAMOAddressMisaligned,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 141 |     StoreAMOAccessFault,
[INFO] [stdout] 142 |     EnvironmentalCallFromUMode,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 143 |     EnvironmentalCallFromSMode,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 144 |     EnvironmentalCallFromMMode,
[INFO] [stdout] 145 |     InstructionPageFault(u32),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 146 |     LoadPageFault(u32),
[INFO] [stdout] 147 |     StoreAMOPageFault(u32),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Exception` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REG_IER` is never used
[INFO] [stdout]  --> src/uart.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const REG_IER: u64 = 1;
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REG_FCR_ISR` is never used
[INFO] [stdout]   --> src/uart.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const REG_FCR_ISR: u64 = 2;
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REG_LCR` is never used
[INFO] [stdout]   --> src/uart.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const REG_LCR: u64 = 3;
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REG_MCR` is never used
[INFO] [stdout]   --> src/uart.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const REG_MCR: u64 = 4;
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REG_MSR` is never used
[INFO] [stdout]   --> src/uart.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const REG_MSR: u64 = 6;
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REG_SPR` is never used
[INFO] [stdout]   --> src/uart.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const REG_SPR: u64 = 7;
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RECEIVE_DATA_READY` is never used
[INFO] [stdout]   --> src/uart.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const RECEIVE_DATA_READY: u64 = 1 << 0;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OVERRUN_ERROR` is never used
[INFO] [stdout]   --> src/uart.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const OVERRUN_ERROR: u64 = 1 << 1;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PARITY_ERROR` is never used
[INFO] [stdout]   --> src/uart.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | const PARITY_ERROR: u64 = 1 << 2;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FRAMING_ERROR` is never used
[INFO] [stdout]   --> src/uart.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | const FRAMING_ERROR: u64 = 1 << 3;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BREAK_INTERRUPT` is never used
[INFO] [stdout]   --> src/uart.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | const BREAK_INTERRUPT: u64 = 1 << 4;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FIFO_ERROR` is never used
[INFO] [stdout]   --> src/uart.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | const FIFO_ERROR: u64 = 1 << 7;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `dump` is never used
[INFO] [stdout]    --> src/bus.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 16  | impl Bus {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 110 |     pub fn dump(&self, path: &str) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Event` is never used
[INFO] [stdout]   --> src/cpu.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub enum Event {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `trap` is never used
[INFO] [stdout]    --> src/cpu.rs:252:8
[INFO] [stdout]     |
[INFO] [stdout] 47  | impl Cpu {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 252 |     fn trap(&mut self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `mstatus_mie`, `mie`, `mip`, and `set_bit_in_mip` are never used
[INFO] [stdout]    --> src/csr.rs:77:12
[INFO] [stdout]     |
[INFO] [stdout] 56  | impl Csr {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 77  |     pub fn mstatus_mie(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub fn mie(&self) -> u64 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |     pub fn mip(&self) -> u64 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub fn set_bit_in_mip(&mut self, val: u32) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `dump` is never used
[INFO] [stdout]    --> src/dram.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 13  | impl Dram {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 104 |     pub fn dump(&self, path: &str) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/interrupt.rs:136:24
[INFO] [stdout]     |
[INFO] [stdout] 136 |     IllegalInstruction(u32),
[INFO] [stdout]     |     ------------------ ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Exception` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 136 |     IllegalInstruction(()),
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/interrupt.rs:146:19
[INFO] [stdout]     |
[INFO] [stdout] 146 |     LoadPageFault(u32),
[INFO] [stdout]     |     ------------- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Exception` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 146 |     LoadPageFault(()),
[INFO] [stdout]     |                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]    --> src/interrupt.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub enum Exception {
[INFO] [stdout]     |          --------- variants in this enum
[INFO] [stdout] 134 |     InstructionAddressMissaligned,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 135 |     InstructionAccessFault,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 136 |     IllegalInstruction(u32),
[INFO] [stdout] 137 |     BreakPoint,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 138 |     LoadAddressMissaligned,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 139 |     LoadAccessFault,
[INFO] [stdout] 140 |     StoreAMOAddressMisaligned,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 141 |     StoreAMOAccessFault,
[INFO] [stdout] 142 |     EnvironmentalCallFromUMode,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 143 |     EnvironmentalCallFromSMode,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 144 |     EnvironmentalCallFromMMode,
[INFO] [stdout] 145 |     InstructionPageFault(u32),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 146 |     LoadPageFault(u32),
[INFO] [stdout] 147 |     StoreAMOPageFault(u32),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Exception` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REG_IER` is never used
[INFO] [stdout]  --> src/uart.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const REG_IER: u64 = 1;
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REG_FCR_ISR` is never used
[INFO] [stdout]   --> src/uart.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const REG_FCR_ISR: u64 = 2;
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REG_LCR` is never used
[INFO] [stdout]   --> src/uart.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const REG_LCR: u64 = 3;
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REG_MCR` is never used
[INFO] [stdout]   --> src/uart.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const REG_MCR: u64 = 4;
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REG_MSR` is never used
[INFO] [stdout]   --> src/uart.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const REG_MSR: u64 = 6;
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REG_SPR` is never used
[INFO] [stdout]   --> src/uart.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const REG_SPR: u64 = 7;
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RECEIVE_DATA_READY` is never used
[INFO] [stdout]   --> src/uart.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const RECEIVE_DATA_READY: u64 = 1 << 0;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OVERRUN_ERROR` is never used
[INFO] [stdout]   --> src/uart.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const OVERRUN_ERROR: u64 = 1 << 1;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PARITY_ERROR` is never used
[INFO] [stdout]   --> src/uart.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | const PARITY_ERROR: u64 = 1 << 2;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FRAMING_ERROR` is never used
[INFO] [stdout]   --> src/uart.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | const FRAMING_ERROR: u64 = 1 << 3;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BREAK_INTERRUPT` is never used
[INFO] [stdout]   --> src/uart.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | const BREAK_INTERRUPT: u64 = 1 << 4;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FIFO_ERROR` is never used
[INFO] [stdout]   --> src/uart.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | const FIFO_ERROR: u64 = 1 << 7;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 46 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 46 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.74s
[INFO] running `Command { std: "docker" "inspect" "3040836fb0e6b938a0aba1d51f9e80f40b67eaa48d9b3bfd5503c2e8cbe94640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3040836fb0e6b938a0aba1d51f9e80f40b67eaa48d9b3bfd5503c2e8cbe94640", kill_on_drop: false }`
[INFO] [stdout] 3040836fb0e6b938a0aba1d51f9e80f40b67eaa48d9b3bfd5503c2e8cbe94640