[INFO] updating cached repository https://github.com/linkfy/LGB
[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] 15f14cd7c76b62482292e759a97850d8b1716c80
[INFO] testing linkfy/LGB against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinkfy%2FLGB" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/linkfy/LGB on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/linkfy/LGB
[INFO] finished tweaking git repo https://github.com/linkfy/LGB
[INFO] tweaked toml for git repo https://github.com/linkfy/LGB written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/linkfy/LGB already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 468b9416df8dad6cfc23d1f5b87445b8f2a62a98453deeef4756dbccfa6e82ac
[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" "468b9416df8dad6cfc23d1f5b87445b8f2a62a98453deeef4756dbccfa6e82ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "468b9416df8dad6cfc23d1f5b87445b8f2a62a98453deeef4756dbccfa6e82ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "468b9416df8dad6cfc23d1f5b87445b8f2a62a98453deeef4756dbccfa6e82ac", kill_on_drop: false }`
[INFO] [stdout] 468b9416df8dad6cfc23d1f5b87445b8f2a62a98453deeef4756dbccfa6e82ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b01b80395d24d327a232b472d076d630d15652d7ca137d87660466d6decec608
[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" "b01b80395d24d327a232b472d076d630d15652d7ca137d87660466d6decec608", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling wayland-sys v0.24.1
[INFO] [stderr]    Compiling json v0.12.1
[INFO] [stderr]    Compiling minifb v0.15.3
[INFO] [stderr]    Compiling wayland-scanner v0.24.1
[INFO] [stderr]    Compiling wayland-client v0.24.1
[INFO] [stderr]    Compiling wayland-protocols v0.24.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling wayland-commons v0.24.1
[INFO] [stderr]    Compiling LGB v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/main.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, Read};
[INFO] [stdout]   |                     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/rom.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 |         if(file.metadata().unwrap().len() >= 32768) {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/rom.rs:30:22
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 0x01 ... 0x03 => {mbc = Mbc::Mbc1},
[INFO] [stdout]    |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/rom.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 0x05 ... 0x06 => {mbc = Mbc::Mbc2},
[INFO] [stdout]    |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/rom.rs:32:22
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 0x0F ... 0x13 => {mbc = Mbc::Mbc3},
[INFO] [stdout]    |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/rom.rs:33:22
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 0x15 ... 0x17 => {mbc = Mbc::Mbc4},
[INFO] [stdout]    |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/rom.rs:34:22
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 0x19 ... 0x1E => {mbc = Mbc::Mbc5},
[INFO] [stdout]    |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/memory_bus.rs:56:19
[INFO] [stdout]    |
[INFO] [stdout] 56 |             0x0000...0x7FFF => {
[INFO] [stdout]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/memory_bus.rs:57:19
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 if(self.boot_mode) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rom::Rom`
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | use rom::Rom;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdin`
[INFO] [stdout]   --> src/main.rs:90:17
[INFO] [stdout]    |
[INFO] [stdout] 90 |             let stdin = io::stdin().read_line(&mut read_enter);
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mem`
[INFO] [stdout]   --> src/cpu.rs:96:46
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn execute_prefix_instruction(&mut self, mem: &mut Memory) -> i32{
[INFO] [stdout]    |                                              ^^^ help: if this is intentional, prefix it with an underscore: `_mem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instruction`
[INFO] [stdout]    --> src/cpu.rs:113:18
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn LD(&self, instruction: InstructionData, mem: &mut Memory) -> i32{
[INFO] [stdout]     |                  ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instruction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mem`
[INFO] [stdout]    --> src/cpu.rs:113:48
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn LD(&self, instruction: InstructionData, mem: &mut Memory) -> i32{
[INFO] [stdout]     |                                                ^^^ help: if this is intentional, prefix it with an underscore: `_mem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cpu.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let mut flags = [flag1, flag2, flag3, flag4];
[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: constant is never used: `FLAG_Z`
[INFO] [stdout]  --> src/instructions.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | const FLAG_Z:u8 = 7;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `FLAG_N`
[INFO] [stdout]  --> src/instructions.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | const FLAG_N:u8 = 6;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `FLAG_H`
[INFO] [stdout]  --> src/instructions.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | const FLAG_H:u8 = 5;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `FLAG_C`
[INFO] [stdout]  --> src/instructions.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const FLAG_C:u8 = 4;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_flag_bit`
[INFO] [stdout]   --> src/registers.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn set_flag_bit(&mut self, n_bit: u8, val: bool) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/registers.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn get(&self, reg: &str) -> u8 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BOOT_SIZE`
[INFO] [stdout]   --> src/memory_bus.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | const BOOT_SIZE: usize = 256;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `LGB` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `lgb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `setBackground` should have a snake case name
[INFO] [stdout]    --> src/main.rs:119:4
[INFO] [stdout]     |
[INFO] [stdout] 119 | fn setBackground(buffer: &mut Vec<u32>, window: &mut Window) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^ help: convert the identifier to snake case: `set_background`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `LD` should have a snake case name
[INFO] [stdout]    --> src/cpu.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn LD(&self, instruction: InstructionData, mem: &mut Memory) -> i32{
[INFO] [stdout]     |        ^^ help: convert the identifier to snake case: `ld`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.59s
[INFO] running `Command { std: "docker" "inspect" "b01b80395d24d327a232b472d076d630d15652d7ca137d87660466d6decec608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b01b80395d24d327a232b472d076d630d15652d7ca137d87660466d6decec608", kill_on_drop: false }`
[INFO] [stdout] b01b80395d24d327a232b472d076d630d15652d7ca137d87660466d6decec608
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5baa87124cacf34620e7bee9e7e09a0e28d05c1585e6b0dc2bf9d07a355860b3
[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" "5baa87124cacf34620e7bee9e7e09a0e28d05c1585e6b0dc2bf9d07a355860b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling LGB v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/main.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, Read};
[INFO] [stdout]   |                     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/rom.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 |         if(file.metadata().unwrap().len() >= 32768) {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/rom.rs:30:22
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 0x01 ... 0x03 => {mbc = Mbc::Mbc1},
[INFO] [stdout]    |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/rom.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 0x05 ... 0x06 => {mbc = Mbc::Mbc2},
[INFO] [stdout]    |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/rom.rs:32:22
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 0x0F ... 0x13 => {mbc = Mbc::Mbc3},
[INFO] [stdout]    |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/rom.rs:33:22
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 0x15 ... 0x17 => {mbc = Mbc::Mbc4},
[INFO] [stdout]    |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/rom.rs:34:22
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 0x19 ... 0x1E => {mbc = Mbc::Mbc5},
[INFO] [stdout]    |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/memory_bus.rs:56:19
[INFO] [stdout]    |
[INFO] [stdout] 56 |             0x0000...0x7FFF => {
[INFO] [stdout]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/memory_bus.rs:57:19
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 if(self.boot_mode) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rom::Rom`
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | use rom::Rom;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdin`
[INFO] [stdout]   --> src/main.rs:90:17
[INFO] [stdout]    |
[INFO] [stdout] 90 |             let stdin = io::stdin().read_line(&mut read_enter);
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mem`
[INFO] [stdout]   --> src/cpu.rs:96:46
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn execute_prefix_instruction(&mut self, mem: &mut Memory) -> i32{
[INFO] [stdout]    |                                              ^^^ help: if this is intentional, prefix it with an underscore: `_mem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instruction`
[INFO] [stdout]    --> src/cpu.rs:113:18
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn LD(&self, instruction: InstructionData, mem: &mut Memory) -> i32{
[INFO] [stdout]     |                  ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instruction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mem`
[INFO] [stdout]    --> src/cpu.rs:113:48
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn LD(&self, instruction: InstructionData, mem: &mut Memory) -> i32{
[INFO] [stdout]     |                                                ^^^ help: if this is intentional, prefix it with an underscore: `_mem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cpu.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let mut flags = [flag1, flag2, flag3, flag4];
[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: constant is never used: `FLAG_Z`
[INFO] [stdout]  --> src/instructions.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | const FLAG_Z:u8 = 7;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `FLAG_N`
[INFO] [stdout]  --> src/instructions.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | const FLAG_N:u8 = 6;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `FLAG_H`
[INFO] [stdout]  --> src/instructions.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | const FLAG_H:u8 = 5;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `FLAG_C`
[INFO] [stdout]  --> src/instructions.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const FLAG_C:u8 = 4;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_flag_bit`
[INFO] [stdout]   --> src/registers.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn set_flag_bit(&mut self, n_bit: u8, val: bool) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/registers.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn get(&self, reg: &str) -> u8 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BOOT_SIZE`
[INFO] [stdout]   --> src/memory_bus.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | const BOOT_SIZE: usize = 256;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `LGB` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `lgb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `setBackground` should have a snake case name
[INFO] [stdout]    --> src/main.rs:119:4
[INFO] [stdout]     |
[INFO] [stdout] 119 | fn setBackground(buffer: &mut Vec<u32>, window: &mut Window) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^ help: convert the identifier to snake case: `set_background`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `LD` should have a snake case name
[INFO] [stdout]    --> src/cpu.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn LD(&self, instruction: InstructionData, mem: &mut Memory) -> i32{
[INFO] [stdout]     |        ^^ help: convert the identifier to snake case: `ld`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "5baa87124cacf34620e7bee9e7e09a0e28d05c1585e6b0dc2bf9d07a355860b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5baa87124cacf34620e7bee9e7e09a0e28d05c1585e6b0dc2bf9d07a355860b3", kill_on_drop: false }`
[INFO] [stdout] 5baa87124cacf34620e7bee9e7e09a0e28d05c1585e6b0dc2bf9d07a355860b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] df0b4d3ced17b7cee059b2299955fed7270952ddcf95e85a3b458eb0bba35117
[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" "df0b4d3ced17b7cee059b2299955fed7270952ddcf95e85a3b458eb0bba35117", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/main.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{self, Read};
[INFO] [stderr]   |                     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/rom.rs:27:11
[INFO] [stderr]    |
[INFO] [stderr] 27 |         if(file.metadata().unwrap().len() >= 32768) {
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/rom.rs:30:22
[INFO] [stderr]    |
[INFO] [stderr] 30 |                 0x01 ... 0x03 => {mbc = Mbc::Mbc1},
[INFO] [stderr]    |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/rom.rs:31:22
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 0x05 ... 0x06 => {mbc = Mbc::Mbc2},
[INFO] [stderr]    |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/rom.rs:32:22
[INFO] [stderr]    |
[INFO] [stderr] 32 |                 0x0F ... 0x13 => {mbc = Mbc::Mbc3},
[INFO] [stderr]    |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/rom.rs:33:22
[INFO] [stderr]    |
[INFO] [stderr] 33 |                 0x15 ... 0x17 => {mbc = Mbc::Mbc4},
[INFO] [stderr]    |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/rom.rs:34:22
[INFO] [stderr]    |
[INFO] [stderr] 34 |                 0x19 ... 0x1E => {mbc = Mbc::Mbc5},
[INFO] [stderr]    |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/memory_bus.rs:56:19
[INFO] [stderr]    |
[INFO] [stderr] 56 |             0x0000...0x7FFF => {
[INFO] [stderr]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/memory_bus.rs:57:19
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 if(self.boot_mode) {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rom::Rom`
[INFO] [stderr]   --> src/main.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | use rom::Rom;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stdin`
[INFO] [stderr]   --> src/main.rs:90:17
[INFO] [stderr]    |
[INFO] [stderr] 90 |             let stdin = io::stdin().read_line(&mut read_enter);
[INFO] [stderr]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mem`
[INFO] [stderr]   --> src/cpu.rs:96:46
[INFO] [stderr]    |
[INFO] [stderr] 96 |     fn execute_prefix_instruction(&mut self, mem: &mut Memory) -> i32{
[INFO] [stderr]    |                                              ^^^ help: if this is intentional, prefix it with an underscore: `_mem`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `instruction`
[INFO] [stderr]    --> src/cpu.rs:113:18
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn LD(&self, instruction: InstructionData, mem: &mut Memory) -> i32{
[INFO] [stderr]     |                  ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instruction`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mem`
[INFO] [stderr]    --> src/cpu.rs:113:48
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn LD(&self, instruction: InstructionData, mem: &mut Memory) -> i32{
[INFO] [stderr]     |                                                ^^^ help: if this is intentional, prefix it with an underscore: `_mem`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/cpu.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 49 |         let mut flags = [flag1, flag2, flag3, flag4];
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `FLAG_Z`
[INFO] [stderr]  --> src/instructions.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | const FLAG_Z:u8 = 7;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `FLAG_N`
[INFO] [stderr]  --> src/instructions.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | const FLAG_N:u8 = 6;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `FLAG_H`
[INFO] [stderr]  --> src/instructions.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | const FLAG_H:u8 = 5;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `FLAG_C`
[INFO] [stderr]  --> src/instructions.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | const FLAG_C:u8 = 4;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_flag_bit`
[INFO] [stderr]   --> src/registers.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn set_flag_bit(&mut self, n_bit: u8, val: bool) {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get`
[INFO] [stderr]   --> src/registers.rs:68:12
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn get(&self, reg: &str) -> u8 {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `BOOT_SIZE`
[INFO] [stderr]   --> src/memory_bus.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | const BOOT_SIZE: usize = 256;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `LGB` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `lgb`
[INFO] [stderr] 
[INFO] [stderr] warning: function `setBackground` should have a snake case name
[INFO] [stderr]    --> src/main.rs:119:4
[INFO] [stderr]     |
[INFO] [stderr] 119 | fn setBackground(buffer: &mut Vec<u32>, window: &mut Window) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^ help: convert the identifier to snake case: `set_background`
[INFO] [stderr] 
[INFO] [stderr] warning: method `LD` should have a snake case name
[INFO] [stderr]    --> src/cpu.rs:113:8
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn LD(&self, instruction: InstructionData, mem: &mut Memory) -> i32{
[INFO] [stderr]     |        ^^ help: convert the identifier to snake case: `ld`
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/LGB-ccf9e6b798925b59
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "df0b4d3ced17b7cee059b2299955fed7270952ddcf95e85a3b458eb0bba35117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df0b4d3ced17b7cee059b2299955fed7270952ddcf95e85a3b458eb0bba35117", kill_on_drop: false }`
[INFO] [stdout] df0b4d3ced17b7cee059b2299955fed7270952ddcf95e85a3b458eb0bba35117