[INFO] cloning 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" "clone" "--bare" "https://github.com/maxcohn/gb-emu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxcohn%2Fgb-emu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxcohn%2Fgb-emu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0dc4e06acec1b402911781fe707eb72deaf7be72
[INFO] checking maxcohn/gb-emu against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxcohn%2Fgb-emu" "/workspace/builds/worker-72/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-72/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maxcohn/gb-emu on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-72/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f18e34944df1641f1f172376d2251e64770c63c367e723358dd2e803c9b3ae7
[INFO] running `Command { std: "docker" "start" "-a" "5f18e34944df1641f1f172376d2251e64770c63c367e723358dd2e803c9b3ae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f18e34944df1641f1f172376d2251e64770c63c367e723358dd2e803c9b3ae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f18e34944df1641f1f172376d2251e64770c63c367e723358dd2e803c9b3ae7", kill_on_drop: false }`
[INFO] [stdout] 5f18e34944df1641f1f172376d2251e64770c63c367e723358dd2e803c9b3ae7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f7b760b6f549317e171540204f004d9e58a893514f333ada230ae2aaffd25da
[INFO] running `Command { std: "docker" "start" "-a" "4f7b760b6f549317e171540204f004d9e58a893514f333ada230ae2aaffd25da", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking gb-emu v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/memory.rs (1 fix)
[INFO] [stderr]        Fixed src/main.rs (2 fixes)
[INFO] [stderr]        Fixed src/cpu.rs (2 fixes)
[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 `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: 8 warnings emitted
[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 `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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking gb-emu v0.1.0 (/tmp/fixit)
[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 `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: 8 warnings emitted
[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 `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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "4f7b760b6f549317e171540204f004d9e58a893514f333ada230ae2aaffd25da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f7b760b6f549317e171540204f004d9e58a893514f333ada230ae2aaffd25da", kill_on_drop: false }`
[INFO] [stdout] 4f7b760b6f549317e171540204f004d9e58a893514f333ada230ae2aaffd25da