[INFO] cloning repository https://github.com/Kanabenki/insa-c-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kanabenki/insa-c-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKanabenki%2Finsa-c-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKanabenki%2Finsa-c-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2cf7e0ae57c911d08d69dca2318c35f24c240fd
[INFO] checking Kanabenki/insa-c-interpreter against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKanabenki%2Finsa-c-interpreter" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kanabenki/insa-c-interpreter on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kanabenki/insa-c-interpreter
[INFO] finished tweaking git repo https://github.com/Kanabenki/insa-c-interpreter
[INFO] tweaked toml for git repo https://github.com/Kanabenki/insa-c-interpreter written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Kanabenki/insa-c-interpreter 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded env_logger v0.6.1
[INFO] [stderr]   Downloaded utf8-ranges v1.0.2
[INFO] [stderr]   Downloaded wincolor v1.0.1
[INFO] [stderr]   Downloaded cfg-if v0.1.7
[INFO] [stderr]   Downloaded atty v0.2.11
[INFO] [stderr]   Downloaded humantime v1.2.0
[INFO] [stderr]   Downloaded termcolor v1.0.4
[INFO] [stderr]   Downloaded redox_syscall v0.1.54
[INFO] [stderr]   Downloaded termion v1.5.1
[INFO] [stderr]   Downloaded ucd-util v0.1.3
[INFO] [stderr]   Downloaded aho-corasick v0.7.3
[INFO] [stderr]   Downloaded regex v1.1.6
[INFO] [stderr]   Downloaded libc v0.2.51
[INFO] [stderr]   Downloaded regex-syntax v0.6.6
[INFO] [stderr]   Downloaded memchr v2.2.0
[INFO] [stderr]   Downloaded winapi v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3486d22c0a39e406bb3bb74a19001e0372baa3d527a57c00b641d60e1e071266
[INFO] running `Command { std: "docker" "start" "-a" "3486d22c0a39e406bb3bb74a19001e0372baa3d527a57c00b641d60e1e071266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3486d22c0a39e406bb3bb74a19001e0372baa3d527a57c00b641d60e1e071266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3486d22c0a39e406bb3bb74a19001e0372baa3d527a57c00b641d60e1e071266", kill_on_drop: false }`
[INFO] [stdout] 3486d22c0a39e406bb3bb74a19001e0372baa3d527a57c00b641d60e1e071266
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21a55378aa12a029cef48a7a96e9753dfaa85ea4bf31e0718b3f2a41cbff74fa
[INFO] running `Command { std: "docker" "start" "-a" "21a55378aa12a029cef48a7a96e9753dfaa85ea4bf31e0718b3f2a41cbff74fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking insa-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `stdout`
[INFO] [stdout]  --> src/main.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufReader, stdout};
[INFO] [stdout]   |                          ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug`, `error`
[INFO] [stdout]  --> src/main.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use log::{info, debug, error};
[INFO] [stdout]   |                 ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stdout`
[INFO] [stdout]  --> src/main.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufReader, stdout};
[INFO] [stdout]   |                          ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug`, `error`
[INFO] [stdout]  --> src/main.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use log::{info, debug, error};
[INFO] [stdout]   |                 ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `env_logger` is imported redundantly
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use env_logger;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `env_logger` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `env_logger` is imported redundantly
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use env_logger;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `env_logger` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addrh`
[INFO] [stdout]    --> src/main.rs:128:22
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn jr(&mut self, addrh: u8, addrl: u8, reg_a: u8) {
[INFO] [stdout]     |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_addrh`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addrl`
[INFO] [stdout]    --> src/main.rs:128:33
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn jr(&mut self, addrh: u8, addrl: u8, reg_a: u8) {
[INFO] [stdout]     |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_addrl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reg_a`
[INFO] [stdout]    --> src/main.rs:128:44
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn jr(&mut self, addrh: u8, addrl: u8, reg_a: u8) {
[INFO] [stdout]     |                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_reg_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addrh`
[INFO] [stdout]    --> src/main.rs:132:23
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn jrc(&mut self, addrh: u8, addrl: u8, reg_a: u8) {
[INFO] [stdout]     |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_addrh`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addrl`
[INFO] [stdout]    --> src/main.rs:132:34
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn jrc(&mut self, addrh: u8, addrl: u8, reg_a: u8) {
[INFO] [stdout]     |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_addrl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reg_a`
[INFO] [stdout]    --> src/main.rs:132:45
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn jrc(&mut self, addrh: u8, addrl: u8, reg_a: u8) {
[INFO] [stdout]     |                                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_reg_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addrh`
[INFO] [stdout]    --> src/main.rs:128:22
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn jr(&mut self, addrh: u8, addrl: u8, reg_a: u8) {
[INFO] [stdout]     |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_addrh`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addrl`
[INFO] [stdout]    --> src/main.rs:128:33
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn jr(&mut self, addrh: u8, addrl: u8, reg_a: u8) {
[INFO] [stdout]     |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_addrl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reg_a`
[INFO] [stdout]    --> src/main.rs:128:44
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn jr(&mut self, addrh: u8, addrl: u8, reg_a: u8) {
[INFO] [stdout]     |                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_reg_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addrh`
[INFO] [stdout]    --> src/main.rs:132:23
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn jrc(&mut self, addrh: u8, addrl: u8, reg_a: u8) {
[INFO] [stdout]     |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_addrh`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addrl`
[INFO] [stdout]    --> src/main.rs:132:34
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn jrc(&mut self, addrh: u8, addrl: u8, reg_a: u8) {
[INFO] [stdout]     |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_addrl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reg_a`
[INFO] [stdout]    --> src/main.rs:132:45
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn jrc(&mut self, addrh: u8, addrl: u8, reg_a: u8) {
[INFO] [stdout]     |                                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_reg_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.10s
[INFO] running `Command { std: "docker" "inspect" "21a55378aa12a029cef48a7a96e9753dfaa85ea4bf31e0718b3f2a41cbff74fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21a55378aa12a029cef48a7a96e9753dfaa85ea4bf31e0718b3f2a41cbff74fa", kill_on_drop: false }`
[INFO] [stdout] 21a55378aa12a029cef48a7a96e9753dfaa85ea4bf31e0718b3f2a41cbff74fa
[INFO] checking Kanabenki/insa-c-interpreter against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKanabenki%2Finsa-c-interpreter" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kanabenki/insa-c-interpreter on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kanabenki/insa-c-interpreter
[INFO] finished tweaking git repo https://github.com/Kanabenki/insa-c-interpreter
[INFO] tweaked toml for git repo https://github.com/Kanabenki/insa-c-interpreter written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Kanabenki/insa-c-interpreter 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e49f5bc2fa0c783938adab4fca0e5f48dc301b7e308fd15eaad3a06b24dcac7
[INFO] running `Command { std: "docker" "start" "-a" "8e49f5bc2fa0c783938adab4fca0e5f48dc301b7e308fd15eaad3a06b24dcac7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e49f5bc2fa0c783938adab4fca0e5f48dc301b7e308fd15eaad3a06b24dcac7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e49f5bc2fa0c783938adab4fca0e5f48dc301b7e308fd15eaad3a06b24dcac7", kill_on_drop: false }`
[INFO] [stdout] 8e49f5bc2fa0c783938adab4fca0e5f48dc301b7e308fd15eaad3a06b24dcac7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e9b1c62b12bb62cec970d6169f29e2f10eca3acc928007e7434e8e4498bd11a
[INFO] running `Command { std: "docker" "start" "-a" "9e9b1c62b12bb62cec970d6169f29e2f10eca3acc928007e7434e8e4498bd11a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking insa-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `stdout`
[INFO] [stdout]  --> src/main.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufReader, stdout};
[INFO] [stdout]   |                          ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug`, `error`
[INFO] [stdout]  --> src/main.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use log::{info, debug, error};
[INFO] [stdout]   |                 ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `env_logger` is imported redundantly
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use env_logger;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `env_logger` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addrh`
[INFO] [stdout]    --> src/main.rs:128:22
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn jr(&mut self, addrh: u8, addrl: u8, reg_a: u8) {
[INFO] [stdout]     |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_addrh`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addrl`
[INFO] [stdout]    --> src/main.rs:128:33
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn jr(&mut self, addrh: u8, addrl: u8, reg_a: u8) {
[INFO] [stdout]     |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_addrl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reg_a`
[INFO] [stdout]    --> src/main.rs:128:44
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn jr(&mut self, addrh: u8, addrl: u8, reg_a: u8) {
[INFO] [stdout]     |                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_reg_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addrh`
[INFO] [stdout]    --> src/main.rs:132:23
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn jrc(&mut self, addrh: u8, addrl: u8, reg_a: u8) {
[INFO] [stdout]     |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_addrh`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addrl`
[INFO] [stdout]    --> src/main.rs:132:34
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn jrc(&mut self, addrh: u8, addrl: u8, reg_a: u8) {
[INFO] [stdout]     |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_addrl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reg_a`
[INFO] [stdout]    --> src/main.rs:132:45
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn jrc(&mut self, addrh: u8, addrl: u8, reg_a: u8) {
[INFO] [stdout]     |                                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_reg_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stdout`
[INFO] [stdout]  --> src/main.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufReader, stdout};
[INFO] [stdout]   |                          ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug`, `error`
[INFO] [stdout]  --> src/main.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use log::{info, debug, error};
[INFO] [stdout]   |                 ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `env_logger` is imported redundantly
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use env_logger;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `env_logger` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addrh`
[INFO] [stdout]    --> src/main.rs:128:22
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn jr(&mut self, addrh: u8, addrl: u8, reg_a: u8) {
[INFO] [stdout]     |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_addrh`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addrl`
[INFO] [stdout]    --> src/main.rs:128:33
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn jr(&mut self, addrh: u8, addrl: u8, reg_a: u8) {
[INFO] [stdout]     |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_addrl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reg_a`
[INFO] [stdout]    --> src/main.rs:128:44
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn jr(&mut self, addrh: u8, addrl: u8, reg_a: u8) {
[INFO] [stdout]     |                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_reg_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addrh`
[INFO] [stdout]    --> src/main.rs:132:23
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn jrc(&mut self, addrh: u8, addrl: u8, reg_a: u8) {
[INFO] [stdout]     |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_addrh`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addrl`
[INFO] [stdout]    --> src/main.rs:132:34
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn jrc(&mut self, addrh: u8, addrl: u8, reg_a: u8) {
[INFO] [stdout]     |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_addrl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reg_a`
[INFO] [stdout]    --> src/main.rs:132:45
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn jrc(&mut self, addrh: u8, addrl: u8, reg_a: u8) {
[INFO] [stdout]     |                                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_reg_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.65s
[INFO] running `Command { std: "docker" "inspect" "9e9b1c62b12bb62cec970d6169f29e2f10eca3acc928007e7434e8e4498bd11a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e9b1c62b12bb62cec970d6169f29e2f10eca3acc928007e7434e8e4498bd11a", kill_on_drop: false }`
[INFO] [stdout] 9e9b1c62b12bb62cec970d6169f29e2f10eca3acc928007e7434e8e4498bd11a