chore: try to fix the build for BSDs

Cargo.lock

@@ -457,12 +457,6 @@ dependencies = [
  "generic-array",
 ]
 
-[[package]]
-name = "doc-comment"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fea41bba32d969b513997752735605054bc0dfa92b4c56bf1189f2e174be7a10"
-
 [[package]]
 name = "either"
 version = "1.6.1"
@@ -1587,16 +1581,7 @@ version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f0dfe2087c51c460008730de8b57e6a320782fbfb312e1f4d520e6c6fae155ee"
 dependencies = [
- "semver 0.11.0",
-]
-
-[[package]]
-name = "rustc_version"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bfa0f585226d2e68097d4f95d113b15b83a82e819ab25717ec0590d9584ef366"
-dependencies = [
- "semver 1.0.4",
+ "semver",
 ]
 
 [[package]]
@@ -1668,12 +1653,6 @@ dependencies = [
  "semver-parser",
 ]
 
-[[package]]
-name = "semver"
-version = "1.0.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "568a8e6258aa33c13358f81fd834adb854c6f7c9468520910a9b1e8fac068012"
-
 [[package]]
 name = "semver-parser"
 version = "0.10.2"
@@ -1779,7 +1758,7 @@ dependencies = [
  "chacha20poly1305",
  "rand 0.8.4",
  "rand_core 0.6.3",
- "rustc_version 0.3.3",
+ "rustc_version",
  "sha2 0.9.8",
  "subtle",
  "x25519-dalek",
@@ -1847,21 +1826,6 @@ dependencies = [
  "unicode-xid",
 ]
 
-[[package]]
-name = "sysinfo"
-version = "0.19.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e7de153d0438a648bb71e06e300e54fc641685e96af96d49b843f43172d341c"
-dependencies = [
- "cfg-if",
- "core-foundation-sys",
- "doc-comment",
- "libc",
- "ntapi",
- "once_cell",
- "winapi",
-]
-
 [[package]]
 name = "tempfile"
 version = "3.2.0"
@@ -2289,9 +2253,7 @@ dependencies = [
  "enum-iterator",
  "getset",
  "git2",
- "rustc_version 0.4.0",
  "rustversion",
- "sysinfo",
  "thiserror",
 ]
 

Cargo.toml

@@ -70,5 +70,5 @@ console-subscriber = { version = "0.1", optional = true, features = ["parking_lo
 const_format = "0.2"
 
 [build-dependencies]
-vergen = "6.0"
+vergen = { version = "6.0", default-features = false, features = ["build", "git", "cargo"] }
 anyhow = "1.0"