diff --git a/Cargo.lock b/Cargo.lock
index 39a2a936..676e6cb8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -81,19 +81,18 @@ checksum = "81a18687293a1546b67c246452202bbbf143d239cb43494cc163da14979082da"
 
 [[package]]
 name = "cargo"
-version = "0.53.0"
+version = "0.54.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca7e53bf83eb8f6254a37ac45822003c05f6053c09b58795de76a3d6c84eda8a"
+checksum = "6cbd976a733418564685769d03cca35bf228ddfc2c8a5e6771ca0f48ce80ae2e"
 dependencies = [
  "anyhow",
  "atty",
  "bytesize",
  "cargo-platform",
+ "cargo-util",
  "clap",
- "core-foundation",
  "crates-io",
  "crossbeam-utils",
- "crypto-hash",
  "curl",
  "curl-sys",
  "env_logger",
@@ -115,14 +114,12 @@ dependencies = [
  "libgit2-sys",
  "log",
  "memchr",
- "miow",
  "num_cpus",
  "opener",
  "percent-encoding",
  "rand",
  "rustc-workspace-hack",
  "rustfix",
- "same-file",
  "semver",
  "serde",
  "serde_ignored",
@@ -149,6 +146,28 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "cargo-util"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a0c5259672ff02c8c4d291fb52c9e6936d97dbfacea8d7011a0621aaaaab4c28"
+dependencies = [
+ "anyhow",
+ "core-foundation",
+ "crypto-hash",
+ "filetime",
+ "hex 0.4.2",
+ "jobserver",
+ "libc",
+ "log",
+ "miow",
+ "same-file",
+ "shell-escape",
+ "tempfile",
+ "walkdir",
+ "winapi",
+]
+
 [[package]]
 name = "cc"
 version = "1.0.61"
diff --git a/Cargo.toml b/Cargo.toml
index ce9ba6c4..8d7ee62b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,7 +11,7 @@ license-file = "LICENSE"
 edition = "2018"
 
 [dependencies]
-cargo = "0.53"
+cargo = "0.54"
 crates-io = "0.33" # Keep in sync with version pulled by Cargo
 curl = "0.4.38"
 env_logger = "0.8"
diff --git a/src/bin/cargo-semver.rs b/src/bin/cargo-semver.rs
index cd1432b7..af4bba75 100644
--- a/src/bin/cargo-semver.rs
+++ b/src/bin/cargo-semver.rs
@@ -3,8 +3,9 @@
 
 extern crate rustc_session;
 
-use cargo::core::{Package, PackageId, Source, SourceId, Workspace};
+use cargo::core::{FeatureValue, Package, PackageId, Source, SourceId, Workspace};
 use cargo::sources::RegistrySource;
+use cargo::util::interning::InternedString;
 use curl::easy::Easy;
 use log::debug;
 use rustc_session::getopts;
@@ -15,6 +16,7 @@ use std::{
     io::Write,
     path::{Path, PathBuf},
     process::{Command, Stdio},
+    rc::Rc,
     sync::{Arc, RwLock},
 };
 
@@ -491,11 +493,16 @@ impl<'a> WorkInfo<'a> {
         };
 
         if let Some(s) = matches.opt_str("features") {
-            opts.features = s.split(' ').map(str::to_owned).collect();
+            opts.cli_features.features = Rc::new(
+                s.split(' ')
+                    .map(InternedString::new)
+                    .map(|f| FeatureValue::new(f))
+                    .collect(),
+            );
         }
 
-        opts.all_features = matches.opt_present("all-features");
-        opts.no_default_features = matches.opt_present("no-default-features");
+        opts.cli_features.all_features = matches.opt_present("all-features");
+        opts.cli_features.uses_default_features = !matches.opt_present("no-default-features");
 
         env::set_var(
             "RUSTFLAGS",