Update MSRVs to be accurate

.github/workflows/rust.yml

@@ -122,24 +122,20 @@ jobs:
         uses: ./.github/actions/setup-builder
       - name: Install cargo-msrv
         run: cargo install cargo-msrv
-      - name: Downgrade arrow dependencies
-        run: cargo update -p ahash --precise 0.8.7
-      - name: Check arrow
-        working-directory: arrow
-        run: cargo msrv --log-target stdout verify
-      - name: Check parquet
-        working-directory: parquet
-        run: cargo msrv --log-target stdout verify
-      - name: Check arrow-flight
-        working-directory: arrow-flight
-        run: cargo msrv --log-target stdout verify
       - name: Downgrade object_store dependencies
         working-directory: object_store
         # Necessary because tokio 1.30.0 updates MSRV to 1.63
         # and url 2.5.1, updates to 1.67
         run: |
           cargo update -p tokio --precise 1.29.1
           cargo update -p url --precise 2.5.0
-      - name: Check object_store
-        working-directory: object_store
-        run: cargo msrv --log-target stdout verify
+      - name: Check all packages
+        run: |
+          find . -name Cargo.toml | while read -r dir
+          do
+            cargo msrv --log-target stdout verify --manifest-path "$dir" || exit 1
+          done
+      # If no packages are using the workspace's rust-version, then it's out of date
+      - name: Verify workspace rust-version is used
+        run: |
+          grep -r '^rust-version *= *{ *workspace *= *true *}' -q --exclude-dir '*target*' --exclude-dir .git .

Cargo.toml

@@ -74,7 +74,7 @@ include = [
     "Cargo.toml",
 ]
 edition = "2021"
-rust-version = "1.62"
+rust-version = "1.70"
 
 [workspace.dependencies]
 arrow = { version = "53.2.0", path = "./arrow", default-features = false }

arrow-avro/Cargo.toml

@@ -53,4 +53,3 @@ crc = { version = "3.0", optional = true }
 
 
 [dev-dependencies]
-

arrow-flight/gen/Cargo.toml

@@ -20,7 +20,7 @@ name = "gen"
 description = "Code generation for arrow-flight"
 version = "0.1.0"
 edition = { workspace = true }
-rust-version = { workspace = true }
+rust-version = "1.56"
 authors = { workspace = true }
 homepage = { workspace = true }
 repository = { workspace = true }

arrow-integration-testing/Cargo.toml

@@ -25,7 +25,7 @@ authors = { workspace = true }
 license = { workspace = true }
 edition = { workspace = true }
 publish = false
-rust-version = { workspace = true }
+rust-version = "1.75.0"
 
 [lib]
 crate-type = ["lib", "cdylib"]

arrow-json/Cargo.toml

@@ -60,4 +60,3 @@ rand = { version = "0.8", default-features = false, features = ["std", "std_rng"
 [[bench]]
 name = "serde"
 harness = false
-

arrow-pyarrow-integration-testing/Cargo.toml

@@ -25,7 +25,7 @@ authors = ["Apache Arrow <[email protected]>"]
 license = "Apache-2.0"
 keywords = [ "arrow" ]
 edition = "2021"
-rust-version = "1.62"
+rust-version = "1.70"
 publish = false
 
 [lib]

arrow-row/Cargo.toml

@@ -53,4 +53,3 @@ arrow-ord = { workspace = true }
 rand = { version = "0.8", default-features = false, features = ["std", "std_rng"] }
 
 [features]
-

arrow-schema/Cargo.toml

@@ -26,7 +26,7 @@ license = { workspace = true }
 keywords = { workspace = true }
 include = { workspace = true }
 edition = { workspace = true }
-rust-version = { workspace = true }
+rust-version = "1.64"
 
 [lib]
 name = "arrow_schema"

arrow/Cargo.toml

@@ -31,7 +31,7 @@ include = [
     "Cargo.toml",
 ]
 edition = { workspace = true }
-rust-version = "1.70.0"
+rust-version = { workspace = true }
 
 [lib]
 name = "arrow"

object_store/Cargo.toml

@@ -24,7 +24,7 @@ readme = "README.md"
 description = "A generic object store interface for uniformly interacting with AWS S3, Google Cloud Storage, Azure Blob Storage and local files."
 keywords = ["object", "storage", "cloud"]
 repository = "https://github.com/apache/arrow-rs/tree/master/object_store"
-rust-version = "1.64.0"
+rust-version = "1.62.1"
 
 [package.metadata.docs.rs]
 all-features = true

parquet/Cargo.toml

@@ -26,7 +26,7 @@ authors = { workspace = true }
 keywords = ["arrow", "parquet", "hadoop"]
 readme = "README.md"
 edition = { workspace = true }
-rust-version = "1.70.0"
+rust-version = { workspace = true }
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 ahash = { version = "0.8", default-features = false, features = ["compile-time-rng"] }