[INFO] cloning repository https://github.com/eddychu/y86sim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eddychu/y86sim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feddychu%2Fy86sim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feddychu%2Fy86sim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d8b883dfe79850b7c6643b8a789c7e15e1e23084
[INFO] testing eddychu/y86sim against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feddychu%2Fy86sim" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eddychu/y86sim on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eddychu/y86sim
[INFO] finished tweaking git repo https://github.com/eddychu/y86sim
[INFO] tweaked toml for git repo https://github.com/eddychu/y86sim written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/eddychu/y86sim already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18b5043f347a0744cb9f580ffe2ca9a247e1155cc22bc08d91a9bea58b79b993
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "18b5043f347a0744cb9f580ffe2ca9a247e1155cc22bc08d91a9bea58b79b993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18b5043f347a0744cb9f580ffe2ca9a247e1155cc22bc08d91a9bea58b79b993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18b5043f347a0744cb9f580ffe2ca9a247e1155cc22bc08d91a9bea58b79b993", kill_on_drop: false }`
[INFO] [stdout] 18b5043f347a0744cb9f580ffe2ca9a247e1155cc22bc08d91a9bea58b79b993
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c9d30c95f0ffa0cf9d90738f6038d06ab487b9899d523ec09007595ead39e5c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3c9d30c95f0ffa0cf9d90738f6038d06ab487b9899d523ec09007595ead39e5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling y86sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `io`
[INFO] [stdout]  --> src/main.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{fs, io};
[INFO] [stdout]   |               ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ra`
[INFO] [stdout]   --> src/cpu.rs:95:14
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let (ra, rb) = read_nibbles(mem.read_byte(self.pc + 1));
[INFO] [stdout]    |              ^^ help: if this is intentional, prefix it with an underscore: `_ra`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `valp`
[INFO] [stdout]    --> src/cpu.rs:228:13
[INFO] [stdout]     |
[INFO] [stdout] 228 |         let valp = self.pc + 1;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_valp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `InstructionType`
[INFO] [stdout]  --> src/constants.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum InstructionType {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_zf`
[INFO] [stdout]   --> src/cpu.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn write_zf(&mut self, v: bool) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_sf`
[INFO] [stdout]   --> src/cpu.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn write_sf(&mut self, v: bool) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_of`
[INFO] [stdout]   --> src/cpu.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn write_of(&mut self, v: bool) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_zf`
[INFO] [stdout]   --> src/cpu.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn read_zf(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_sf`
[INFO] [stdout]   --> src/cpu.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn read_sf(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_of`
[INFO] [stdout]   --> src/cpu.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn read_of(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_pc`
[INFO] [stdout]   --> src/cpu.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn read_pc(&self) -> u64 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dump`
[INFO] [stdout]   --> src/memory.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn dump(&self, start: u8, end: u8) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.82s
[INFO] running `Command { std: "docker" "inspect" "3c9d30c95f0ffa0cf9d90738f6038d06ab487b9899d523ec09007595ead39e5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c9d30c95f0ffa0cf9d90738f6038d06ab487b9899d523ec09007595ead39e5c", kill_on_drop: false }`
[INFO] [stdout] 3c9d30c95f0ffa0cf9d90738f6038d06ab487b9899d523ec09007595ead39e5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e4bf7d403b2ab09d4c5ce758c7401de53abd6c81ac81657bffb821e466e34e0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8e4bf7d403b2ab09d4c5ce758c7401de53abd6c81ac81657bffb821e466e34e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling y86sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `io`
[INFO] [stdout]  --> src/main.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{fs, io};
[INFO] [stdout]   |               ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ra`
[INFO] [stdout]   --> src/cpu.rs:95:14
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let (ra, rb) = read_nibbles(mem.read_byte(self.pc + 1));
[INFO] [stdout]    |              ^^ help: if this is intentional, prefix it with an underscore: `_ra`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `valp`
[INFO] [stdout]    --> src/cpu.rs:228:13
[INFO] [stdout]     |
[INFO] [stdout] 228 |         let valp = self.pc + 1;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_valp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `InstructionType`
[INFO] [stdout]  --> src/constants.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum InstructionType {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_zf`
[INFO] [stdout]   --> src/cpu.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn write_zf(&mut self, v: bool) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_sf`
[INFO] [stdout]   --> src/cpu.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn write_sf(&mut self, v: bool) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_of`
[INFO] [stdout]   --> src/cpu.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn write_of(&mut self, v: bool) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_zf`
[INFO] [stdout]   --> src/cpu.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn read_zf(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_sf`
[INFO] [stdout]   --> src/cpu.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn read_sf(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_of`
[INFO] [stdout]   --> src/cpu.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn read_of(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_pc`
[INFO] [stdout]   --> src/cpu.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn read_pc(&self) -> u64 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dump`
[INFO] [stdout]   --> src/memory.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn dump(&self, start: u8, end: u8) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "8e4bf7d403b2ab09d4c5ce758c7401de53abd6c81ac81657bffb821e466e34e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e4bf7d403b2ab09d4c5ce758c7401de53abd6c81ac81657bffb821e466e34e0", kill_on_drop: false }`
[INFO] [stdout] 8e4bf7d403b2ab09d4c5ce758c7401de53abd6c81ac81657bffb821e466e34e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bc8cf55a97c5139b6c5cc5b3d7e00178ddd9e7405d95869e8cefd2631021e563
[INFO] running `Command { std: "docker" "start" "-a" "bc8cf55a97c5139b6c5cc5b3d7e00178ddd9e7405d95869e8cefd2631021e563", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `io`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:9:15
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 9 | use std::{fs, io};
[INFO] [stdout] 
[INFO] [stderr]   |               ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ra`
[INFO] [stderr]   --> src/cpu.rs:95:14
[INFO] [stderr]    |
[INFO] [stderr] 95 |         let (ra, rb) = read_nibbles(mem.read_byte(self.pc + 1));
[INFO] [stderr]    |              ^^ help: if this is intentional, prefix it with an underscore: `_ra`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `valp`
[INFO] [stderr]    --> src/cpu.rs:228:13
[INFO] [stderr]     |
[INFO] [stderr] 228 |         let valp = self.pc + 1;
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_valp`
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `InstructionType`
[INFO] [stderr]  --> src/constants.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub enum InstructionType {
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_zf`
[INFO] [stderr]   --> src/cpu.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn write_zf(&mut self, v: bool) {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_sf`
[INFO] [stderr]   --> src/cpu.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn write_sf(&mut self, v: bool) {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_of`
[INFO] [stderr]   --> src/cpu.rs:33:12
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn write_of(&mut self, v: bool) {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read_zf`
[INFO] [stderr]   --> src/cpu.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn read_zf(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read_sf`
[INFO] [stderr]   --> src/cpu.rs:41:12
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn read_sf(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read_of`
[INFO] [stderr]   --> src/cpu.rs:45:12
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn read_of(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read_pc`
[INFO] [stderr]   --> src/cpu.rs:57:12
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn read_pc(&self) -> u64 {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `dump`
[INFO] [stderr]   --> src/memory.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn dump(&self, start: u8, end: u8) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `y86sim` (bin "y86sim" test) generated 12 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/y86sim-b3f1f61c6cc175c4)
[INFO] running `Command { std: "docker" "inspect" "bc8cf55a97c5139b6c5cc5b3d7e00178ddd9e7405d95869e8cefd2631021e563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc8cf55a97c5139b6c5cc5b3d7e00178ddd9e7405d95869e8cefd2631021e563", kill_on_drop: false }`
[INFO] [stdout] bc8cf55a97c5139b6c5cc5b3d7e00178ddd9e7405d95869e8cefd2631021e563