Pin is-terminal for MSRV

Cargo.lock

@@ -254,6 +254,7 @@ dependencies = [
  "glob",
  "hashbrown 0.12.3",
  "humansize",
+ "is-terminal",
  "itertools 0.11.0",
  "lazy_static",
  "libc",
@@ -416,13 +417,25 @@ dependencies = [
  "hashbrown 0.11.2",
 ]
 
+[[package]]
+name = "io-lifetimes"
+version = "1.0.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eae7b9aee968036d54dce06cebaefd919e4472e753296daccd6d344e3e2df0c2"
+dependencies = [
+ "hermit-abi 0.3.3",
+ "libc",
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "is-terminal"
-version = "0.4.9"
+version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cb0889898416213fab133e1d33a0e5858a48177452750691bde3666d0fdbaf8b"
+checksum = "adcf93614601c8129ddf72e2d5633df827ba6551541c6d8c59520a371475be1f"
 dependencies = [
  "hermit-abi 0.3.3",
+ "io-lifetimes",
  "rustix",
  "windows-sys 0.48.0",
 ]
@@ -486,9 +499,9 @@ checksum = "793a75315eb63b8699158825bdea85d63eeb850e7543cb834abef3c7b5b53780"
 
 [[package]]
 name = "linux-raw-sys"
-version = "0.4.10"
+version = "0.3.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "da2479e8c062e40bf0066ffa0bc823de0a9368974af99c9f6df941d2c231e03f"
+checksum = "ef53942eb7bf7ff43a617b3e2c1c4a5ecf5944a7c1bc12d7ee39bbb15e5c1519"
 
 [[package]]
 name = "lock_api"
@@ -796,12 +809,13 @@ checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
 
 [[package]]
 name = "rustix"
-version = "0.38.21"
+version = "0.37.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b426b0506e5d50a7d8dafcf2e81471400deb602392c7dd110815afb4eaf02a3"
+checksum = "fea8ca367a3a01fe35e6943c400addf443c0f57670e6ec51196f71a4b8762dd2"
 dependencies = [
- "bitflags 2.4.1",
+ "bitflags 1.3.2",
  "errno",
+ "io-lifetimes",
  "libc",
  "linux-raw-sys",
  "windows-sys 0.48.0",

Cargo.toml

@@ -44,6 +44,9 @@ tree-sitter = "0.20.9"
 libc = "0.2.108"
 log = "0.4.14"
 pretty_env_logger = "0.5.0"
+# is-terminal is a dependency of env_logger, but 0.4.8 requires rust 1.63.
+is-terminal = ">= 0.4, < 0.4.8"
+
 mimalloc = { version = "0.1.28", default-features = false }
 # Pin libmimalloc-sys due to 0.1.25 producing a huge slowdown in very
 # large textual files, as discussed in #297.