Depend on mimalloc only in musl context

Cargo.toml

@@ -25,7 +25,6 @@ mio = { version = "1.0", features = ["os-poll", "net"] }
 min-max-heap = { git = "https://github.com/tov/min-max-heap-rs", branch = "master"}
 slab = "0.4"
 anyhow = "1.0"
-mimalloc = { version = "0.1", default-features = false }
 noodles = { version = "0.90", features = ["bam", "bgzf", "core", "cram", "fasta", "fastq", "sam"] }
 time = { version = "0.3", features = ["local-offset"] }
 flate2 = "1.0"
@@ -34,6 +33,9 @@ bstr = { version = "1.9", features = ["serde"] }
 [patch.crates-io]
 bio = { git = "https://github.com/jch-13/rust-bio.git", branch = "occ_small_k" }
 
+[target.'cfg(target_env = "musl")'.dependencies]
+mimalloc = { version = "0.1", default-features = false }
+
 [dev-dependencies]
 criterion = "0.5"
 tempfile = "3.3"

src/main.rs

@@ -1,7 +1,5 @@
 use clap::{crate_authors, crate_description, value_parser, Arg, ArgAction, ArgMatches, Command};
 use log::{error, info, warn};
-#[cfg(target_env = "musl")]
-use mimalloc::MiMalloc;
 use simple_logger::SimpleLogger;
 use time::UtcOffset;
 
@@ -21,7 +19,7 @@ use mapad::{
 // Use mimalloc only for musl target
 #[cfg(target_env = "musl")]
 #[global_allocator]
-static ALLOC: MiMalloc = MiMalloc;
+static ALLOC: mimalloc::MiMalloc = mimalloc::MiMalloc;
 
 fn main() {
     handle_arguments(&define_cli());