T04: own Unix pty so a failed chdir fails the start; closing logs and reaps

Cargo.toml

@@ -9,7 +9,7 @@ repository = "https://git.zacharyzhang.com/ZacharyZhang-NY/ELYTerminal"
 publish = false
 
 [dependencies]
-alacritty_terminal = { version = "0.26", default-features = false }
+alacritty_terminal = { version = "=0.26.0", default-features = false }
 anyhow = "1"
 dirs = "7"
 ely-gpui-component = { git = "https://git.zacharyzhang.com/ZacharyZhang-NY/Ely-GPUI-Components.git", rev = "12512217bd9bc652ed6bbf10461b00cc26c01c21" }
@@ -25,7 +25,9 @@ serde_json = "1"
 serde_path_to_error = "0.1.20"
 
 [target.'cfg(unix)'.dependencies]
-rustix = { version = "1", default-features = false, features = ["std", "fs"] }
+libc = "0.2"
+rustix-openpty = "0.2"
+signal-hook = "0.4"
 
 [lints.rust]
 unexpected_cfgs = { level = "warn", check-cfg = ['cfg(feature, values("cargo-clippy"))'] }