upgrade nix to 0.26.4

Summary:
I am upgrading nix to 0.29.0. To ensure each step produces clean CI
and is bisectable if something goes wrong, start by going from 0.25 to
0.26.4.

Reviewed By: zertosh

Differential Revision: D66275116

fbshipit-source-id: 63c87ff4f4c631061e5a1c721f52563dc90b7e2b

public_autocargo/experimental/Cargo.toml

@@ -17,5 +17,5 @@ edition = "2018"
 clap = { version = "3.2.25", features = ["derive", "env", "regex", "unicode", "wrap_help"] }
 goblin = "0.5.2"
 libc = "0.2.139"
-nix = "0.25"
+nix = "0.26.4"
 scroll = { version = "0.10", features = ["derive"] }

reverie-process/Cargo.toml

@@ -14,7 +14,7 @@ bitflags = { version = "2.6", features = ["serde"] }
 colored = "2.1.0"
 futures = { version = "0.3.30", features = ["async-await", "compat"] }
 libc = "0.2.139"
-nix = "0.25"
+nix = "0.26.4"
 serde = { version = "1.0.185", features = ["derive", "rc"] }
 syscalls = { version = "0.6.7", features = ["serde"] }
 thiserror = "1.0.64"

reverie-ptrace/Cargo.toml

@@ -18,7 +18,7 @@ goblin = "0.5.2"
 iced-x86 = "1.17.0"
 lazy_static = "1.4"
 libc = "0.2.139"
-nix = "0.25"
+nix = "0.26.4"
 num-traits = { version = "0.2.18", default-features = false }
 paste = "1.0.14"
 perf-event-open-sys = "4.0"

reverie-syscalls/Cargo.toml

@@ -12,7 +12,7 @@ license = "BSD-2-Clause"
 bitflags = { version = "2.6", features = ["serde"] }
 derive_more = { version = "1.0.0", features = ["full"] }
 libc = "0.2.139"
-nix = "0.25"
+nix = "0.26.4"
 paste = "1.0.14"
 reverie-memory = { version = "0.1.0", path = "../reverie-memory" }
 serde = { version = "1.0.185", features = ["derive", "rc"] }

reverie/Cargo.toml

@@ -19,7 +19,7 @@ libc = "0.2.139"
 linked-hash-map = { version = "0.5", features = ["serde_impl"] }
 memmap2 = "0.5.10"
 never-say-never = "6"
-nix = "0.25"
+nix = "0.26.4"
 object = { version = "0.29", features = ["write"] }
 procfs = "0.15.1"
 raw-cpuid = "10.6.0"

safeptrace/Cargo.toml

@@ -13,7 +13,7 @@ bitflags = { version = "2.6", features = ["serde"] }
 futures = { version = "0.3.30", features = ["async-await", "compat"] }
 lazy_static = "1.4"
 libc = "0.2.139"
-nix = "0.25"
+nix = "0.26.4"
 parking_lot = { version = "0.12.1", features = ["send_guard"] }
 reverie-memory = { version = "0.1.0", path = "../reverie-memory", optional = true }
 reverie-process = { version = "0.1.0", path = "../reverie-process" }