[INFO] updating cached repository https://github.com/maxcohn/gb-emu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0dc4e06acec1b402911781fe707eb72deaf7be72
[INFO] testing maxcohn/gb-emu against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxcohn%2Fgb-emu" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maxcohn/gb-emu on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maxcohn/gb-emu
[INFO] finished tweaking git repo https://github.com/maxcohn/gb-emu
[INFO] tweaked toml for git repo https://github.com/maxcohn/gb-emu written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/maxcohn/gb-emu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d14fb404fe29cd99212dc1d29e3ca9d1884b5fcd8e0556fccb8df5b934c3f752
[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" "d14fb404fe29cd99212dc1d29e3ca9d1884b5fcd8e0556fccb8df5b934c3f752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d14fb404fe29cd99212dc1d29e3ca9d1884b5fcd8e0556fccb8df5b934c3f752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d14fb404fe29cd99212dc1d29e3ca9d1884b5fcd8e0556fccb8df5b934c3f752", kill_on_drop: false }`
[INFO] [stdout] d14fb404fe29cd99212dc1d29e3ca9d1884b5fcd8e0556fccb8df5b934c3f752
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93eddc0dc3bb1a19dd057467944f39d97eddb8af7949826f21a9ed41faef22db
[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" "93eddc0dc3bb1a19dd057467944f39d97eddb8af7949826f21a9ed41faef22db", kill_on_drop: false }`
[INFO] [stderr]    Compiling gb-emu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::cartridge::Cartridge`
[INFO] [stdout]   --> src/memory.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::cartridge::Cartridge;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cartridge::Cartridge`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use cartridge::Cartridge;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     for i in 100..500 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cycles`
[INFO] [stdout]     --> src/cpu.rs:1016:21
[INFO] [stdout]      |
[INFO] [stdout] 1016 |                 let cycles = self.exec_cb();
[INFO] [stdout]      |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cycles`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cycles_passed`
[INFO] [stdout]     --> src/cpu.rs:1128:13
[INFO] [stdout]      |
[INFO] [stdout] 1128 |         let cycles_passed = OP_CYCLES[cur_op as usize];
[INFO] [stdout]      |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cycles_passed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_registers`
[INFO] [stdout]   --> src/registers.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn print_registers(&self) {
[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: `get_af`
[INFO] [stdout]   --> src/registers.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn get_af(&self) -> u16 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_flag_sub`
[INFO] [stdout]    --> src/registers.rs:177:12
[INFO] [stdout]     |
[INFO] [stdout] 177 |     pub fn get_flag_sub(&self) -> u8 {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_flag_half_carry`
[INFO] [stdout]    --> src/registers.rs:181:12
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn get_flag_half_carry(&self) -> u8 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CB_LENGTHS`
[INFO] [stdout]   --> src/cpu.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | / const CB_LENGTHS: [u8; 0x100] = [
[INFO] [stdout] 74 | |     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
[INFO] [stdout] 75 | |     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
[INFO] [stdout] 76 | |     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
[INFO] [stdout] ...  |
[INFO] [stdout] 89 | |     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
[INFO] [stdout] 90 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/cpu.rs:169:12
[INFO] [stdout]     |
[INFO] [stdout] 169 |     pub fn new(memory: Memory) -> CPU {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_empty_mem`
[INFO] [stdout]    --> src/cpu.rs:189:8
[INFO] [stdout]     |
[INFO] [stdout] 189 |     fn new_empty_mem() -> CPU {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         std::io::stdin().read_line(&mut s);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "93eddc0dc3bb1a19dd057467944f39d97eddb8af7949826f21a9ed41faef22db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93eddc0dc3bb1a19dd057467944f39d97eddb8af7949826f21a9ed41faef22db", kill_on_drop: false }`
[INFO] [stdout] 93eddc0dc3bb1a19dd057467944f39d97eddb8af7949826f21a9ed41faef22db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b931be01891e8d2817ff3ca0bf0f63dc82153e65b4ffda9bbe135ba2a33a65eb
[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" "b931be01891e8d2817ff3ca0bf0f63dc82153e65b4ffda9bbe135ba2a33a65eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling gb-emu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::cartridge::Cartridge`
[INFO] [stdout]   --> src/memory.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::cartridge::Cartridge;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cartridge::Cartridge`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use cartridge::Cartridge;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     for i in 100..500 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cycles`
[INFO] [stdout]     --> src/cpu.rs:1016:21
[INFO] [stdout]      |
[INFO] [stdout] 1016 |                 let cycles = self.exec_cb();
[INFO] [stdout]      |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cycles`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cycles_passed`
[INFO] [stdout]     --> src/cpu.rs:1128:13
[INFO] [stdout]      |
[INFO] [stdout] 1128 |         let cycles_passed = OP_CYCLES[cur_op as usize];
[INFO] [stdout]      |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cycles_passed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_registers`
[INFO] [stdout]   --> src/registers.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn print_registers(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CB_LENGTHS`
[INFO] [stdout]   --> src/cpu.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | / const CB_LENGTHS: [u8; 0x100] = [
[INFO] [stdout] 74 | |     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
[INFO] [stdout] 75 | |     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
[INFO] [stdout] 76 | |     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
[INFO] [stdout] ...  |
[INFO] [stdout] 89 | |     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
[INFO] [stdout] 90 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/cpu.rs:169:12
[INFO] [stdout]     |
[INFO] [stdout] 169 |     pub fn new(memory: Memory) -> CPU {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rlc`
[INFO] [stdout]     --> src/cpu.rs:1596:8
[INFO] [stdout]      |
[INFO] [stdout] 1596 |     fn rlc() {
[INFO] [stdout]      |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         std::io::stdin().read_line(&mut s);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.96s
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b931be01891e8d2817ff3ca0bf0f63dc82153e65b4ffda9bbe135ba2a33a65eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b931be01891e8d2817ff3ca0bf0f63dc82153e65b4ffda9bbe135ba2a33a65eb", kill_on_drop: false }`
[INFO] [stdout] b931be01891e8d2817ff3ca0bf0f63dc82153e65b4ffda9bbe135ba2a33a65eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 47dfeb7f615d1d186e79fb250e4cdb72fa418be0ecaf46cada5f620beffe70c5
[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" "47dfeb7f615d1d186e79fb250e4cdb72fa418be0ecaf46cada5f620beffe70c5", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::cartridge::Cartridge`
[INFO] [stderr]   --> src/memory.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use crate::cartridge::Cartridge;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cartridge::Cartridge`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use cartridge::Cartridge;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |     for i in 100..500 {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cycles`
[INFO] [stderr]     --> src/cpu.rs:1016:21
[INFO] [stderr]      |
[INFO] [stderr] 1016 |                 let cycles = self.exec_cb();
[INFO] [stderr]      |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cycles`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cycles_passed`
[INFO] [stderr]     --> src/cpu.rs:1128:13
[INFO] [stderr]      |
[INFO] [stderr] 1128 |         let cycles_passed = OP_CYCLES[cur_op as usize];
[INFO] [stderr]      |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cycles_passed`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_registers`
[INFO] [stderr]   --> src/registers.rs:39:12
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn print_registers(&self) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `CB_LENGTHS`
[INFO] [stderr]   --> src/cpu.rs:73:1
[INFO] [stderr]    |
[INFO] [stderr] 73 | / const CB_LENGTHS: [u8; 0x100] = [
[INFO] [stderr] 74 | |     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
[INFO] [stderr] 75 | |     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
[INFO] [stderr] 76 | |     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
[INFO] [stderr] ...  |
[INFO] [stderr] 89 | |     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
[INFO] [stderr] 90 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/cpu.rs:169:12
[INFO] [stderr]     |
[INFO] [stderr] 169 |     pub fn new(memory: Memory) -> CPU {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rlc`
[INFO] [stderr]     --> src/cpu.rs:1596:8
[INFO] [stderr]      |
[INFO] [stderr] 1596 |     fn rlc() {
[INFO] [stderr]      |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         std::io::stdin().read_line(&mut s);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gb_emu-abf198f36f68980c
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test cpu::tests::add ... ok
[INFO] [stdout] test cpu::tests::dec_u16 ... ok
[INFO] [stdout] test cpu::tests::adc ... ok
[INFO] [stdout] test registers::tests::set_16bit ... ok
[INFO] [stdout] test registers::tests::set_flags ... ok
[INFO] [stdout] test registers::tests::get_flags ... ok
[INFO] [stdout] test registers::tests::get_16bit ... ok
[INFO] [stdout] test registers::tests::set_8bit ... ok
[INFO] [stdout] test cpu::tests::dec_u8 ... ok
[INFO] [stdout] test registers::tests::get_8bit ... ok
[INFO] [stdout] test cpu::tests::inc_u16 ... ok
[INFO] [stdout] test cpu::tests::swap ... ok
[INFO] [stdout] test cpu::tests::sub ... ok
[INFO] [stdout] test cpu::tests::inc_u8 ... ok
[INFO] [stdout] test cpu::tests::sbc ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "47dfeb7f615d1d186e79fb250e4cdb72fa418be0ecaf46cada5f620beffe70c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47dfeb7f615d1d186e79fb250e4cdb72fa418be0ecaf46cada5f620beffe70c5", kill_on_drop: false }`
[INFO] [stdout] 47dfeb7f615d1d186e79fb250e4cdb72fa418be0ecaf46cada5f620beffe70c5