chore: update dependencies

Cargo.lock

@@ -245,18 +245,6 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fd16c4719339c4530435d38e511904438d07cce7950afa3718a84ac36c10e89e"
 
-[[package]]
-name = "chrono"
-version = "0.4.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "670ad68c9088c2a963aaa298cb369688cf3f9465ce5e2d4ca10e6e0098a1ce73"
-dependencies = [
- "libc",
- "num-integer",
- "num-traits",
- "winapi",
-]
-
 [[package]]
 name = "clang-sys"
 version = "1.2.2"
@@ -1078,9 +1066,9 @@ dependencies = [
 
 [[package]]
 name = "matchers"
-version = "0.0.1"
+version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f099785f7595cc4b4553a174ce30dd7589ef93391ff414dbb67f62392b9e0ce1"
+checksum = "8263075bb86c5a1b1427b5ae862e8889656f126e9f77c484496e8b47cf5c5558"
 dependencies = [
  "regex-automata",
 ]
@@ -1338,16 +1326,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "num-integer"
-version = "0.1.44"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d2cc698a63b549a70bc047073d2949cce27cd1c7b0a4a862d08a8031bc2801db"
-dependencies = [
- "autocfg",
- "num-traits",
-]
-
 [[package]]
 name = "num-traits"
 version = "0.2.14"
@@ -2028,36 +2006,22 @@ dependencies = [
  "tracing-core",
 ]
 
-[[package]]
-name = "tracing-serde"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fb65ea441fbb84f9f6748fd496cf7f63ec9af5bca94dd86456978d055e8eb28b"
-dependencies = [
- "serde",
- "tracing-core",
-]
-
 [[package]]
 name = "tracing-subscriber"
-version = "0.2.25"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0e0d2eaa99c3c2e41547cfa109e910a68ea03823cccad4a0525dcbc9b01e8c71"
+checksum = "80a4ddde70311d8da398062ecf6fc2c309337de6b0f77d6c27aff8d53f6fca52"
 dependencies = [
  "ansi_term 0.12.1",
- "chrono",
  "lazy_static",
  "matchers",
  "regex",
- "serde",
- "serde_json",
  "sharded-slab",
  "smallvec",
  "thread_local",
  "tracing",
  "tracing-core",
  "tracing-log",
- "tracing-serde",
 ]
 
 [[package]]

Cargo.toml

@@ -18,7 +18,7 @@ rodio = "0.14"
 rtrb = "0.2"
 directories-next = "2.0"
 tracing = "0.1"
-tracing-subscriber = "0.2"
+tracing-subscriber = { version = "0.3", features = ["std", "env-filter"] }
 
 [profile.release]
 debug = true

src/main.rs

@@ -1,5 +1,3 @@
-use std::convert::TryInto;
-
 use anyhow::Result;
 use clap::{crate_authors, crate_description, crate_name, crate_version, App, Arg};
 use gb::emu::{Emulator, CYCLES_IN_FRAME};

src/ppu.rs

@@ -4,7 +4,6 @@ use crate::GB_HEIGHT;
 use crate::GB_WIDTH;
 use dma::DirectMemoryAccess;
 use std::collections::VecDeque;
-use std::convert::TryInto;
 pub(crate) use types::PpuMode;
 use types::{
     BackgroundPalette, GrayShade, LCDControl, LCDStatus, ObjectFlags, ObjectPalette,