[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] 07d90605d39bdbf09f748927611123aeda0b2324
[INFO] checking gotti/rs-riscv-sc against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgotti%2Frs-riscv-sc" "/workspace/builds/worker-102/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-102/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gotti/rs-riscv-sc on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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-102/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: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 880d69709f52a733e34a5dc18927640a33e794d39ad41f200de99fef42d58b92
[INFO] running `Command { std: "docker" "start" "-a" "880d69709f52a733e34a5dc18927640a33e794d39ad41f200de99fef42d58b92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "880d69709f52a733e34a5dc18927640a33e794d39ad41f200de99fef42d58b92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "880d69709f52a733e34a5dc18927640a33e794d39ad41f200de99fef42d58b92", kill_on_drop: false }`
[INFO] [stdout] 880d69709f52a733e34a5dc18927640a33e794d39ad41f200de99fef42d58b92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40571f6af770d10429b3a84a17b0b7356bea2dcd3abbf6e9bb7db214894d5b09
[INFO] running `Command { std: "docker" "start" "-a" "40571f6af770d10429b3a84a17b0b7356bea2dcd3abbf6e9bb7db214894d5b09", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking rs-riscv-sc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `str::FromStr`
[INFO] [stdout]  --> src/cpu.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{io, str::FromStr};
[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:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{io, str::FromStr};
[INFO] [stdout]   |               ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/cpu.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 107 | /         loop {
[INFO] [stdout] 108 | |             let old_pc = self.pc;
[INFO] [stdout] 109 | |             let (inst, op_len) = self.fetch();
[INFO] [stdout] 110 | |             match self.exec(inst) {
[INFO] [stdout] ...   |
[INFO] [stdout] 118 | |             }
[INFO] [stdout] 119 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 120 |           Ok(())
[INFO] [stdout]     |           ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/cpu.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 107 | /         loop {
[INFO] [stdout] 108 | |             let old_pc = self.pc;
[INFO] [stdout] 109 | |             let (inst, op_len) = self.fetch();
[INFO] [stdout] 110 | |             match self.exec(inst) {
[INFO] [stdout] ...   |
[INFO] [stdout] 118 | |             }
[INFO] [stdout] 119 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 120 |           Ok(())
[INFO] [stdout]     |           ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]   --> src/main.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut memory: Vec<u8> = Vec::with_capacity(1000);
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current_pc`
[INFO] [stdout]    --> src/cpu.rs:356:33
[INFO] [stdout]     |
[INFO] [stdout] 356 | ...                   let current_pc = self.pc;
[INFO] [stdout]     |                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_pc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]   --> src/main.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut memory: Vec<u8> = Vec::with_capacity(1000);
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current_pc`
[INFO] [stdout]    --> src/cpu.rs:356:33
[INFO] [stdout]     |
[INFO] [stdout] 356 | ...                   let current_pc = self.pc;
[INFO] [stdout]     |                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_pc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut memory: Vec<u8> = Vec::with_capacity(1000);
[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:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut mmu = Mmu::new(buf);
[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:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     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:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut memory: Vec<u8> = Vec::with_capacity(1000);
[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:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut mmu = Mmu::new(buf);
[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:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut csr = Csr::new([0;4096]);
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SLL`
[INFO] [stdout]   --> src/cpu.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub const SLL: u32 = 0b001;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SLT`
[INFO] [stdout]   --> src/cpu.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub const SLT: u32 = 0b010;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SLTU`
[INFO] [stdout]   --> src/cpu.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub const SLTU: u32 = 0b011;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `XOR`
[INFO] [stdout]   --> src/cpu.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub const XOR: u32 = 0b100;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SRL_SRA`
[INFO] [stdout]   --> src/cpu.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub const SRL_SRA: u32 = 0b101;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `OR`
[INFO] [stdout]   --> src/cpu.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub const OR: u32 = 0b110;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `AND`
[INFO] [stdout]   --> src/cpu.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub const AND: u32 = 0b111;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `user`
[INFO] [stdout]   --> src/cpu.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub const user: u8 = 0b00;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `supervisor`
[INFO] [stdout]   --> src/cpu.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub const supervisor: u8 = 0b01;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `hypervisor`
[INFO] [stdout]   --> src/cpu.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub const hypervisor: u8 = 0b10;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `machine`
[INFO] [stdout]   --> src/cpu.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub const machine: u8 = 0b11;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `privilege`
[INFO] [stdout]   --> src/cpu.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     privilege: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_imm_ld`
[INFO] [stdout]    --> src/cpu.rs:496:12
[INFO] [stdout]     |
[INFO] [stdout] 496 |     pub fn get_imm_ld(inst: u32) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `user` should have an upper case name
[INFO] [stdout]   --> src/cpu.rs:78:15
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub const user: u8 = 0b00;
[INFO] [stdout]    |               ^^^^ help: convert the identifier to upper case: `USER`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `supervisor` should have an upper case name
[INFO] [stdout]   --> src/cpu.rs:79:15
[INFO] [stdout]    |
[INFO] [stdout] 79 |     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:80:15
[INFO] [stdout]    |
[INFO] [stdout] 80 |     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:81:15
[INFO] [stdout]    |
[INFO] [stdout] 81 |     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:85:15
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub const ecall: u32 = 0;
[INFO] [stdout]    |               ^^^^^ help: convert the identifier to upper case: `ECALL`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SLL`
[INFO] [stdout]   --> src/cpu.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub const SLL: u32 = 0b001;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SLT`
[INFO] [stdout]   --> src/cpu.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub const SLT: u32 = 0b010;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SLTU`
[INFO] [stdout]   --> src/cpu.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub const SLTU: u32 = 0b011;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `XOR`
[INFO] [stdout]   --> src/cpu.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub const XOR: u32 = 0b100;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SRL_SRA`
[INFO] [stdout]   --> src/cpu.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub const SRL_SRA: u32 = 0b101;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `OR`
[INFO] [stdout]   --> src/cpu.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub const OR: u32 = 0b110;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `AND`
[INFO] [stdout]   --> src/cpu.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub const AND: u32 = 0b111;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `user`
[INFO] [stdout]   --> src/cpu.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub const user: u8 = 0b00;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `supervisor`
[INFO] [stdout]   --> src/cpu.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub const supervisor: u8 = 0b01;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `hypervisor`
[INFO] [stdout]   --> src/cpu.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub const hypervisor: u8 = 0b10;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `machine`
[INFO] [stdout]   --> src/cpu.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub const machine: u8 = 0b11;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `privilege`
[INFO] [stdout]   --> src/cpu.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     privilege: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_imm_ld`
[INFO] [stdout]    --> src/cpu.rs:496:12
[INFO] [stdout]     |
[INFO] [stdout] 496 |     pub fn get_imm_ld(inst: u32) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `user` should have an upper case name
[INFO] [stdout]   --> src/cpu.rs:78:15
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub const user: u8 = 0b00;
[INFO] [stdout]    |               ^^^^ help: convert the identifier to upper case: `USER`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `supervisor` should have an upper case name
[INFO] [stdout]   --> src/cpu.rs:79:15
[INFO] [stdout]    |
[INFO] [stdout] 79 |     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:80:15
[INFO] [stdout]    |
[INFO] [stdout] 80 |     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:81:15
[INFO] [stdout]    |
[INFO] [stdout] 81 |     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:85:15
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub const ecall: u32 = 0;
[INFO] [stdout]    |               ^^^^^ help: convert the identifier to upper case: `ECALL`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.10s
[INFO] running `Command { std: "docker" "inspect" "40571f6af770d10429b3a84a17b0b7356bea2dcd3abbf6e9bb7db214894d5b09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40571f6af770d10429b3a84a17b0b7356bea2dcd3abbf6e9bb7db214894d5b09", kill_on_drop: false }`
[INFO] [stdout] 40571f6af770d10429b3a84a17b0b7356bea2dcd3abbf6e9bb7db214894d5b09