diff --git a/Cargo.lock b/Cargo.lock
index 4660575954f2..353da79ace78 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -87,17 +87,6 @@ version = "1.0.71"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c7d0618f0e0b7e8ff11427422b64564d5fb0be1940354bfe2e0529b18a9d9b8"
 
-[[package]]
-name = "atty"
-version = "0.2.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
-dependencies = [
- "hermit-abi 0.1.19",
- "libc",
- "winapi",
-]
-
 [[package]]
 name = "autocfg"
 version = "1.1.0"
@@ -110,6 +99,12 @@ version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
+[[package]]
+name = "bitflags"
+version = "2.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "630be753d4e58660abd17930c71b647fe46c27ea6b63cc59e1e3851406972e42"
+
 [[package]]
 name = "bookrunner"
 version = "0.1.0"
@@ -196,7 +191,7 @@ checksum = "9a78fbdd3cc2914ddf37ba444114bc7765bbdcb55ec9cbe6fa054f0137400717"
 dependencies = [
  "anstream",
  "anstyle",
- "bitflags",
+ "bitflags 1.3.2",
  "clap_lex",
  "once_cell",
  "strsim",
@@ -332,7 +327,7 @@ version = "0.26.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a84cda67535339806297f1b331d6dd6320470d2a0fe65381e79ee9e156dd3d13"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "crossterm_winapi",
  "libc",
  "mio",
@@ -437,15 +432,6 @@ version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
 
-[[package]]
-name = "hermit-abi"
-version = "0.1.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33"
-dependencies = [
- "libc",
-]
-
 [[package]]
 name = "hermit-abi"
 version = "0.2.6"
@@ -457,9 +443,9 @@ dependencies = [
 
 [[package]]
 name = "hermit-abi"
-version = "0.3.1"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fed44880c466736ef9a5c5b5facefb5ed0785676d0c02d612db14e54f0d84286"
+checksum = "443144c8cdadd93ebf52ddb4056d257f5b52c04d3c804e657d19eb73fc33668b"
 
 [[package]]
 name = "home"
@@ -480,25 +466,13 @@ dependencies = [
  "hashbrown 0.14.0",
 ]
 
-[[package]]
-name = "io-lifetimes"
-version = "1.0.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eae7b9aee968036d54dce06cebaefd919e4472e753296daccd6d344e3e2df0c2"
-dependencies = [
- "hermit-abi 0.3.1",
- "libc",
- "windows-sys 0.48.0",
-]
-
 [[package]]
 name = "is-terminal"
-version = "0.4.7"
+version = "0.4.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "adcf93614601c8129ddf72e2d5633df827ba6551541c6d8c59520a371475be1f"
+checksum = "24fddda5af7e54bf7da53067d6e802dbcc381d0a8eef629df528e3ebf68755cb"
 dependencies = [
- "hermit-abi 0.3.1",
- "io-lifetimes",
+ "hermit-abi 0.3.2",
  "rustix",
  "windows-sys 0.48.0",
 ]
@@ -529,7 +503,6 @@ dependencies = [
 name = "kani-compiler"
 version = "0.31.0"
 dependencies = [
- "atty",
  "clap",
  "cprover_bindings",
  "home",
@@ -545,7 +518,6 @@ dependencies = [
  "strum_macros",
  "tracing",
  "tracing-subscriber",
- "tracing-tree",
 ]
 
 [[package]]
@@ -553,7 +525,6 @@ name = "kani-driver"
 version = "0.31.0"
 dependencies = [
  "anyhow",
- "atty",
  "cargo_metadata",
  "clap",
  "comfy-table",
@@ -573,7 +544,6 @@ dependencies = [
  "toml",
  "tracing",
  "tracing-subscriber",
- "tracing-tree",
  "which",
 ]
 
@@ -630,9 +600,9 @@ dependencies = [
 
 [[package]]
 name = "linux-raw-sys"
-version = "0.3.8"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ef53942eb7bf7ff43a617b3e2c1c4a5ecf5944a7c1bc12d7ee39bbb15e5c1519"
+checksum = "09fc20d2ca12cb9f044c93e3bd6d32d523e6e2ec3db4f7b2939cd99026ecd3f0"
 
 [[package]]
 name = "lock_api"
@@ -890,7 +860,7 @@ version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "77a1a2f1f0a7ecff9c31abbe177637be0e97a0aef46cf8738ece09327985d998"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "memchr",
  "unicase",
 ]
@@ -962,7 +932,7 @@ version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "567664f262709473930a4bf9e51bf2ebf3348f2e748ccc50dea20646858f8f29"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
 ]
 
 [[package]]
@@ -1012,13 +982,12 @@ dependencies = [
 
 [[package]]
 name = "rustix"
-version = "0.37.20"
+version = "0.38.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b96e891d04aa506a6d1f318d2771bcb1c7dfda84e126660ace067c9b474bb2c0"
+checksum = "aabcb0461ebd01d6b79945797c27f8529082226cb630a9865a71870ff63532a4"
 dependencies = [
- "bitflags",
+ "bitflags 2.3.3",
  "errno",
- "io-lifetimes",
  "libc",
  "linux-raw-sys",
  "windows-sys 0.48.0",
@@ -1378,19 +1347,6 @@ dependencies = [
  "tracing-serde",
 ]
 
-[[package]]
-name = "tracing-tree"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4f9742d8df709837409dbb22aa25dd7769c260406f20ff48a2320b80a4a6aed0"
-dependencies = [
- "atty",
- "nu-ansi-term",
- "tracing-core",
- "tracing-log",
- "tracing-subscriber",
-]
-
 [[package]]
 name = "unicase"
 version = "2.6.0"
diff --git a/kani-compiler/Cargo.toml b/kani-compiler/Cargo.toml
index 65f018363990..f0baa6f7047d 100644
--- a/kani-compiler/Cargo.toml
+++ b/kani-compiler/Cargo.toml
@@ -9,7 +9,6 @@ license = "MIT OR Apache-2.0"
 publish = false
 
 [dependencies]
-atty = "0.2.14"
 cbmc = { path = "../cprover_bindings", package = "cprover_bindings", optional = true }
 clap = { version = "4.1.3", features = ["cargo"] }
 home = "0.5"
@@ -25,7 +24,6 @@ strum_macros = "0.24.0"
 shell-words = "1.0.0"
 tracing = {version = "0.1", features = ["max_level_trace", "release_max_level_debug"]}
 tracing-subscriber = {version = "0.3.8", features = ["env-filter", "json", "fmt"]}
-tracing-tree = "0.2.2"
 
 # Future proofing: enable backend dependencies using feature.
 [features]
diff --git a/kani-compiler/src/session.rs b/kani-compiler/src/session.rs
index 3900aba5e82f..6061554200dc 100644
--- a/kani-compiler/src/session.rs
+++ b/kani-compiler/src/session.rs
@@ -9,11 +9,11 @@ use rustc_errors::{
     emitter::Emitter, emitter::HumanReadableErrorType, fallback_fluent_bundle, json::JsonEmitter,
     ColorConfig, Diagnostic, TerminalUrl,
 };
+use std::io::IsTerminal;
 use std::panic;
 use std::str::FromStr;
 use std::sync::LazyLock;
 use tracing_subscriber::{filter::Directive, layer::SubscriberExt, EnvFilter, Registry};
-use tracing_tree::HierarchicalLayer;
 
 /// Environment variable used to control this session log tracing.
 const LOG_ENV_VAR: &str = "KANI_LOG";
@@ -107,16 +107,13 @@ fn json_logs(filter: EnvFilter) {
 
 /// Configure global logger to use a hierarchical view.
 fn hier_logs(args: &ArgMatches, filter: EnvFilter) {
-    let use_colors = atty::is(atty::Stream::Stdout) || args.get_flag(parser::COLOR_OUTPUT);
+    let use_colors = std::io::stdout().is_terminal() || args.get_flag(parser::COLOR_OUTPUT);
     let subscriber = Registry::default().with(filter);
     let subscriber = subscriber.with(
-        HierarchicalLayer::default()
+        tracing_subscriber::fmt::layer()
             .with_writer(std::io::stderr)
-            .with_indent_lines(true)
             .with_ansi(use_colors)
-            .with_targets(true)
-            .with_verbose_exit(true)
-            .with_indent_amount(4),
+            .with_target(true),
     );
     tracing::subscriber::set_global_default(subscriber).unwrap();
 }
diff --git a/kani-driver/Cargo.toml b/kani-driver/Cargo.toml
index 18d666830854..b6a89a72dc09 100644
--- a/kani-driver/Cargo.toml
+++ b/kani-driver/Cargo.toml
@@ -15,7 +15,6 @@ publish = false
 kani_metadata = { path = "../kani_metadata" }
 cargo_metadata = "0.15.0"
 anyhow = "1"
-atty = "0.2.14"
 console = "0.15.1"
 once_cell = "1.13.0"
 serde = { version = "1", features = ["derive"] }
@@ -32,7 +31,6 @@ strum = {version = "0.24.0"}
 strum_macros = {version = "0.24.0"}
 tracing = {version = "0.1", features = ["max_level_trace", "release_max_level_debug"]}
 tracing-subscriber = {version = "0.3.8", features = ["env-filter", "json", "fmt"]}
-tracing-tree = "0.2.2"
 rand = "0.8"
 which = "4.4.0"
 
diff --git a/kani-driver/src/call_cargo.rs b/kani-driver/src/call_cargo.rs
index 30dac09eddaa..00bbe72d9865 100644
--- a/kani-driver/src/call_cargo.rs
+++ b/kani-driver/src/call_cargo.rs
@@ -14,6 +14,7 @@ use std::ffi::{OsStr, OsString};
 use std::fmt::{self, Display};
 use std::fs::{self, File};
 use std::io::BufReader;
+use std::io::IsTerminal;
 use std::path::PathBuf;
 use std::process::Command;
 use tracing::{debug, trace};
@@ -180,7 +181,7 @@ impl KaniSession {
     /// Run cargo and collect any error found.
     /// We also collect the metadata file generated during compilation if any.
     fn run_cargo(&self, cargo_cmd: Command, target: &Target) -> Result<Option<Artifact>> {
-        let support_color = atty::is(atty::Stream::Stdout);
+        let support_color = std::io::stdout().is_terminal();
         let mut artifact = None;
         if let Some(mut cargo_process) = self.run_piped(cargo_cmd)? {
             let reader = BufReader::new(cargo_process.stdout.take().unwrap());
diff --git a/kani-driver/src/session.rs b/kani-driver/src/session.rs
index 47cbb0914eaf..646b7b6ae746 100644
--- a/kani-driver/src/session.rs
+++ b/kani-driver/src/session.rs
@@ -5,6 +5,7 @@ use crate::args::common::Verbosity;
 use crate::args::VerificationArgs;
 use crate::util::render_command;
 use anyhow::{bail, Context, Result};
+use std::io::IsTerminal;
 use std::io::Write;
 use std::path::{Path, PathBuf};
 use std::process::{Child, Command, ExitStatus, Stdio};
@@ -13,7 +14,6 @@ use std::time::Instant;
 use strum_macros::Display;
 use tracing::level_filters::LevelFilter;
 use tracing_subscriber::{layer::SubscriberExt, EnvFilter, Registry};
-use tracing_tree::HierarchicalLayer;
 
 /// Environment variable used to control this session log tracing.
 /// This is the same variable used to control `kani-compiler` logs. Note that you can still control
@@ -368,16 +368,13 @@ fn init_logger(args: &VerificationArgs) {
     };
 
     // Use a hierarchical view for now.
-    let use_colors = atty::is(atty::Stream::Stdout);
+    let use_colors = std::io::stdout().is_terminal();
     let subscriber = Registry::default().with(filter);
     let subscriber = subscriber.with(
-        HierarchicalLayer::default()
+        tracing_subscriber::fmt::layer()
             .with_writer(std::io::stderr)
-            .with_indent_lines(true)
             .with_ansi(use_colors)
-            .with_targets(true)
-            .with_verbose_exit(true)
-            .with_indent_amount(4),
+            .with_target(true),
     );
     tracing::subscriber::set_global_default(subscriber).unwrap();
 }