[INFO] cloning repository https://github.com/gotti/rs-riscv-sc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gotti/rs-riscv-sc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgotti%2Frs-riscv-sc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgotti%2Frs-riscv-sc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5f970eefa71b51ef6052102ba91b9771729fe21
[INFO] checking gotti/rs-riscv-sc against try#1f5783cbeb5da8b38566d718631d016891e9c912 for pr-142704
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgotti%2Frs-riscv-sc" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gotti/rs-riscv-sc on toolchain 1f5783cbeb5da8b38566d718631d016891e9c912
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f5783cbeb5da8b38566d718631d016891e9c912" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gotti/rs-riscv-sc
[INFO] finished tweaking git repo https://github.com/gotti/rs-riscv-sc
[INFO] tweaked toml for git repo https://github.com/gotti/rs-riscv-sc written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/gotti/rs-riscv-sc 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" "+1f5783cbeb5da8b38566d718631d016891e9c912" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+1f5783cbeb5da8b38566d718631d016891e9c912" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a376675649e6428b8185da34123fc8f0167b53f285262dea6d16e4133e33109
[INFO] running `Command { std: "docker" "start" "-a" "3a376675649e6428b8185da34123fc8f0167b53f285262dea6d16e4133e33109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a376675649e6428b8185da34123fc8f0167b53f285262dea6d16e4133e33109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a376675649e6428b8185da34123fc8f0167b53f285262dea6d16e4133e33109", kill_on_drop: false }`
[INFO] [stdout] 3a376675649e6428b8185da34123fc8f0167b53f285262dea6d16e4133e33109
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+1f5783cbeb5da8b38566d718631d016891e9c912" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03614fc17e3d3df02ac5a7bce574c932eb3da74e5fa5ec7c575042b116d5e2a8
[INFO] running `Command { std: "docker" "start" "-a" "03614fc17e3d3df02ac5a7bce574c932eb3da74e5fa5ec7c575042b116d5e2a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rs-riscv-sc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> src/main.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{env, io};
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `str::FromStr`
[INFO] [stdout]   --> src/cpu.rs:10:25
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::{io, ops::Add, str::FromStr};
[INFO] [stdout]    |                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> src/main.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{env, io};
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sel`
[INFO] [stdout]    --> src/cpu.rs:129:12
[INFO] [stdout]     |
[INFO] [stdout] 129 |     exec: |sel, state, reg| {
[INFO] [stdout]     |            ^^^ help: if this is intentional, prefix it with an underscore: `_sel`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `str::FromStr`
[INFO] [stdout]   --> src/cpu.rs:10:25
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::{io, ops::Add, str::FromStr};
[INFO] [stdout]    |                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sel`
[INFO] [stdout]    --> src/cpu.rs:129:12
[INFO] [stdout]     |
[INFO] [stdout] 129 |     exec: |sel, state, reg| {
[INFO] [stdout]     |            ^^^ help: if this is intentional, prefix it with an underscore: `_sel`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sp`
[INFO] [stdout]    --> src/cpu.rs:238:17
[INFO] [stdout]     |
[INFO] [stdout] 238 |             let sp = match self.register.read(2,self.len) {
[INFO] [stdout]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_sp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rs`
[INFO] [stdout]    --> src/cpu.rs:298:13
[INFO] [stdout]     |
[INFO] [stdout] 298 |         let rs = Bits::cut_new(inst, 6, 2);
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut mmu = Mmu::new(buf, test_mode);
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut csr = Csr::new([0; 4096]);
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut reg = Register::new([0; 32]);
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut sstack = ShadowStack::new(0,[0;255]);
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sp`
[INFO] [stdout]    --> src/cpu.rs:238:17
[INFO] [stdout]     |
[INFO] [stdout] 238 |             let sp = match self.register.read(2,self.len) {
[INFO] [stdout]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_sp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `read_rd`, `read_rs1`, `read_rs2`, and `read_rs3` are never used
[INFO] [stdout]    --> src/cpu.rs:154:12
[INFO] [stdout]     |
[INFO] [stdout] 153 | impl State {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] 154 |     pub fn new(rd: usize, rs1: usize, rs2: usize, imm: u64) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 157 |     pub fn read_rd(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 160 |     pub fn read_rs1(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     pub fn read_rs2(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 166 |     pub fn read_rs3(&self) -> u64 {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SLL` is never used
[INFO] [stdout]   --> src/cpu.rs:67:15
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub const SLL: u32 = 0b001;
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SLT` is never used
[INFO] [stdout]   --> src/cpu.rs:68:15
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub const SLT: u32 = 0b010;
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SLTU` is never used
[INFO] [stdout]   --> src/cpu.rs:69:15
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub const SLTU: u32 = 0b011;
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `XOR` is never used
[INFO] [stdout]   --> src/cpu.rs:70:15
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub const XOR: u32 = 0b100;
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SRL_SRA` is never used
[INFO] [stdout]   --> src/cpu.rs:71:15
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub const SRL_SRA: u32 = 0b101;
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OR` is never used
[INFO] [stdout]   --> src/cpu.rs:72:15
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub const OR: u32 = 0b110;
[INFO] [stdout]    |               ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `AND` is never used
[INFO] [stdout]   --> src/cpu.rs:73:15
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub const AND: u32 = 0b111;
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `hypervisor` is never used
[INFO] [stdout]   --> src/cpu.rs:89:15
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub const hypervisor: u8 = 0b10;
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `lui` is never used
[INFO] [stdout]    --> src/cpu.rs:100:15
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub const lui: u32 = 0b011;
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `swsp` is never used
[INFO] [stdout]    --> src/cpu.rs:110:15
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub const swsp: u32 = 0b110;
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `sdsp` is never used
[INFO] [stdout]    --> src/cpu.rs:111:15
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub const sdsp: u32 = 0b111;
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_imm_ld` is never used
[INFO] [stdout]    --> src/cpu.rs:980:12
[INFO] [stdout]     |
[INFO] [stdout] 980 |     pub fn get_imm_ld(inst: u32) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_sp` and `get_stack` are never used
[INFO] [stdout]   --> src/shadowstack.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl ShadowStack {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn get_sp(&self) -> usize{
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn get_stack(&self, i: usize) -> u64{
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_len` and `get_data` are never used
[INFO] [stdout]   --> src/bitutils.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Bits {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn get_len(&self) -> usize{
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     fn get_data(&self) -> u64 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `add` should have an upper case name
[INFO] [stdout]    --> src/cpu.rs:128:7
[INFO] [stdout]     |
[INFO] [stdout] 128 | const add: RegisterInst = RegisterInst {
[INFO] [stdout]     |       ^^^ help: convert the identifier to upper case: `ADD`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `user` should have an upper case name
[INFO] [stdout]   --> src/cpu.rs:87:15
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub const user: u8 = 0b00;
[INFO] [stdout]    |               ^^^^ help: convert the identifier to upper case: `USER`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `supervisor` should have an upper case name
[INFO] [stdout]   --> src/cpu.rs:88:15
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub const supervisor: u8 = 0b01;
[INFO] [stdout]    |               ^^^^^^^^^^ help: convert the identifier to upper case: `SUPERVISOR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `hypervisor` should have an upper case name
[INFO] [stdout]   --> src/cpu.rs:89:15
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub const hypervisor: u8 = 0b10;
[INFO] [stdout]    |               ^^^^^^^^^^ help: convert the identifier to upper case: `HYPERVISOR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `machine` should have an upper case name
[INFO] [stdout]   --> src/cpu.rs:90:15
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub const machine: u8 = 0b11;
[INFO] [stdout]    |               ^^^^^^^ help: convert the identifier to upper case: `MACHINE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ecall` should have an upper case name
[INFO] [stdout]   --> src/cpu.rs:94:15
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub const ecall: u32 = 0;
[INFO] [stdout]    |               ^^^^^ help: convert the identifier to upper case: `ECALL`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `mret` should have an upper case name
[INFO] [stdout]   --> src/cpu.rs:95:15
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub const mret: u32 = 0b001100000010;
[INFO] [stdout]    |               ^^^^ help: convert the identifier to upper case: `MRET`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `li` should have an upper case name
[INFO] [stdout]   --> src/cpu.rs:99:15
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub const li: u32 = 0b010;
[INFO] [stdout]    |               ^^ help: convert the identifier to upper case: `LI`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `lui` should have an upper case name
[INFO] [stdout]    --> src/cpu.rs:100:15
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub const lui: u32 = 0b011;
[INFO] [stdout]     |               ^^^ help: convert the identifier to upper case: `LUI`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `beqz` should have an upper case name
[INFO] [stdout]    --> src/cpu.rs:101:15
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub const beqz: u32 = 0b110;
[INFO] [stdout]     |               ^^^^ help: convert the identifier to upper case: `BEQZ`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `slli` should have an upper case name
[INFO] [stdout]    --> src/cpu.rs:105:15
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub const slli: u32 = 0b000;
[INFO] [stdout]     |               ^^^^ help: convert the identifier to upper case: `SLLI`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `jal` should have an upper case name
[INFO] [stdout]    --> src/cpu.rs:106:15
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub const jal: u32 = 0b001;
[INFO] [stdout]     |               ^^^ help: convert the identifier to upper case: `JAL`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `lwsp` should have an upper case name
[INFO] [stdout]    --> src/cpu.rs:107:15
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub const lwsp: u32 = 0b010;
[INFO] [stdout]     |               ^^^^ help: convert the identifier to upper case: `LWSP`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `mv_ja` should have an upper case name
[INFO] [stdout]    --> src/cpu.rs:108:15
[INFO] [stdout]     |
[INFO] [stdout] 108 |     pub const mv_ja: u32 = 0b100;
[INFO] [stdout]     |               ^^^^^ help: convert the identifier to upper case: `MV_JA`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ldsp` should have an upper case name
[INFO] [stdout]    --> src/cpu.rs:109:15
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub const ldsp: u32 = 0b011;
[INFO] [stdout]     |               ^^^^ help: convert the identifier to upper case: `LDSP`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `swsp` should have an upper case name
[INFO] [stdout]    --> src/cpu.rs:110:15
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub const swsp: u32 = 0b110;
[INFO] [stdout]     |               ^^^^ help: convert the identifier to upper case: `SWSP`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `sdsp` should have an upper case name
[INFO] [stdout]    --> src/cpu.rs:111:15
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub const sdsp: u32 = 0b111;
[INFO] [stdout]     |               ^^^^ help: convert the identifier to upper case: `SDSP`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rs`
[INFO] [stdout]    --> src/cpu.rs:298:13
[INFO] [stdout]     |
[INFO] [stdout] 298 |         let rs = Bits::cut_new(inst, 6, 2);
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut mmu = Mmu::new(buf, test_mode);
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut csr = Csr::new([0; 4096]);
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut reg = Register::new([0; 32]);
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut sstack = ShadowStack::new(0,[0;255]);
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `read_rd`, `read_rs1`, `read_rs2`, and `read_rs3` are never used
[INFO] [stdout]    --> src/cpu.rs:154:12
[INFO] [stdout]     |
[INFO] [stdout] 153 | impl State {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] 154 |     pub fn new(rd: usize, rs1: usize, rs2: usize, imm: u64) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 157 |     pub fn read_rd(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 160 |     pub fn read_rs1(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     pub fn read_rs2(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 166 |     pub fn read_rs3(&self) -> u64 {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SLL` is never used
[INFO] [stdout]   --> src/cpu.rs:67:15
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub const SLL: u32 = 0b001;
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SLT` is never used
[INFO] [stdout]   --> src/cpu.rs:68:15
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub const SLT: u32 = 0b010;
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SLTU` is never used
[INFO] [stdout]   --> src/cpu.rs:69:15
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub const SLTU: u32 = 0b011;
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `XOR` is never used
[INFO] [stdout]   --> src/cpu.rs:70:15
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub const XOR: u32 = 0b100;
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SRL_SRA` is never used
[INFO] [stdout]   --> src/cpu.rs:71:15
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub const SRL_SRA: u32 = 0b101;
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OR` is never used
[INFO] [stdout]   --> src/cpu.rs:72:15
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub const OR: u32 = 0b110;
[INFO] [stdout]    |               ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `AND` is never used
[INFO] [stdout]   --> src/cpu.rs:73:15
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub const AND: u32 = 0b111;
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `hypervisor` is never used
[INFO] [stdout]   --> src/cpu.rs:89:15
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub const hypervisor: u8 = 0b10;
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `lui` is never used
[INFO] [stdout]    --> src/cpu.rs:100:15
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub const lui: u32 = 0b011;
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `swsp` is never used
[INFO] [stdout]    --> src/cpu.rs:110:15
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub const swsp: u32 = 0b110;
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `sdsp` is never used
[INFO] [stdout]    --> src/cpu.rs:111:15
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub const sdsp: u32 = 0b111;
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_imm_ld` is never used
[INFO] [stdout]    --> src/cpu.rs:980:12
[INFO] [stdout]     |
[INFO] [stdout] 980 |     pub fn get_imm_ld(inst: u32) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `add` should have an upper case name
[INFO] [stdout]    --> src/cpu.rs:128:7
[INFO] [stdout]     |
[INFO] [stdout] 128 | const add: RegisterInst = RegisterInst {
[INFO] [stdout]     |       ^^^ help: convert the identifier to upper case: `ADD`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `user` should have an upper case name
[INFO] [stdout]   --> src/cpu.rs:87:15
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub const user: u8 = 0b00;
[INFO] [stdout]    |               ^^^^ help: convert the identifier to upper case: `USER`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `supervisor` should have an upper case name
[INFO] [stdout]   --> src/cpu.rs:88:15
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub const supervisor: u8 = 0b01;
[INFO] [stdout]    |               ^^^^^^^^^^ help: convert the identifier to upper case: `SUPERVISOR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `hypervisor` should have an upper case name
[INFO] [stdout]   --> src/cpu.rs:89:15
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub const hypervisor: u8 = 0b10;
[INFO] [stdout]    |               ^^^^^^^^^^ help: convert the identifier to upper case: `HYPERVISOR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `machine` should have an upper case name
[INFO] [stdout]   --> src/cpu.rs:90:15
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub const machine: u8 = 0b11;
[INFO] [stdout]    |               ^^^^^^^ help: convert the identifier to upper case: `MACHINE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ecall` should have an upper case name
[INFO] [stdout]   --> src/cpu.rs:94:15
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub const ecall: u32 = 0;
[INFO] [stdout]    |               ^^^^^ help: convert the identifier to upper case: `ECALL`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `mret` should have an upper case name
[INFO] [stdout]   --> src/cpu.rs:95:15
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub const mret: u32 = 0b001100000010;
[INFO] [stdout]    |               ^^^^ help: convert the identifier to upper case: `MRET`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `li` should have an upper case name
[INFO] [stdout]   --> src/cpu.rs:99:15
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub const li: u32 = 0b010;
[INFO] [stdout]    |               ^^ help: convert the identifier to upper case: `LI`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `lui` should have an upper case name
[INFO] [stdout]    --> src/cpu.rs:100:15
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub const lui: u32 = 0b011;
[INFO] [stdout]     |               ^^^ help: convert the identifier to upper case: `LUI`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `beqz` should have an upper case name
[INFO] [stdout]    --> src/cpu.rs:101:15
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub const beqz: u32 = 0b110;
[INFO] [stdout]     |               ^^^^ help: convert the identifier to upper case: `BEQZ`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `slli` should have an upper case name
[INFO] [stdout]    --> src/cpu.rs:105:15
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub const slli: u32 = 0b000;
[INFO] [stdout]     |               ^^^^ help: convert the identifier to upper case: `SLLI`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `jal` should have an upper case name
[INFO] [stdout]    --> src/cpu.rs:106:15
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub const jal: u32 = 0b001;
[INFO] [stdout]     |               ^^^ help: convert the identifier to upper case: `JAL`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `lwsp` should have an upper case name
[INFO] [stdout]    --> src/cpu.rs:107:15
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub const lwsp: u32 = 0b010;
[INFO] [stdout]     |               ^^^^ help: convert the identifier to upper case: `LWSP`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `mv_ja` should have an upper case name
[INFO] [stdout]    --> src/cpu.rs:108:15
[INFO] [stdout]     |
[INFO] [stdout] 108 |     pub const mv_ja: u32 = 0b100;
[INFO] [stdout]     |               ^^^^^ help: convert the identifier to upper case: `MV_JA`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ldsp` should have an upper case name
[INFO] [stdout]    --> src/cpu.rs:109:15
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub const ldsp: u32 = 0b011;
[INFO] [stdout]     |               ^^^^ help: convert the identifier to upper case: `LDSP`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `swsp` should have an upper case name
[INFO] [stdout]    --> src/cpu.rs:110:15
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub const swsp: u32 = 0b110;
[INFO] [stdout]     |               ^^^^ help: convert the identifier to upper case: `SWSP`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `sdsp` should have an upper case name
[INFO] [stdout]    --> src/cpu.rs:111:15
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub const sdsp: u32 = 0b111;
[INFO] [stdout]     |               ^^^^ help: convert the identifier to upper case: `SDSP`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/shadowstack.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     sstack.push(1);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let _ = sstack.push(1);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/shadowstack.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     sstack.push(1);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let _ = sstack.push(1);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/shadowstack.rs:50:26
[INFO] [stdout]    |
[INFO] [stdout] 50 |         Err(r) => panic!(r),
[INFO] [stdout]    |                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 50 |         Err(r) => panic!("{}", r),
[INFO] [stdout]    |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.46s
[INFO] running `Command { std: "docker" "inspect" "03614fc17e3d3df02ac5a7bce574c932eb3da74e5fa5ec7c575042b116d5e2a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03614fc17e3d3df02ac5a7bce574c932eb3da74e5fa5ec7c575042b116d5e2a8", kill_on_drop: false }`
[INFO] [stdout] 03614fc17e3d3df02ac5a7bce574c932eb3da74e5fa5ec7c575042b116d5e2a8
