chore: update dependencies and set MSRV (filecoin-project#50)

This commit updates to the latest dependencies that don't lead to
breaking changes. It also sets the minimum supported Rust version.
It's version 1.62.1 due to the `temp-env` dependency.

ec-gpu-gen/Cargo.toml

@@ -7,6 +7,7 @@ description = "Code generator for field and eliptic curve operations on the GPUs
 homepage = "https://github.com/filecoin-project/ff-cl-gen"
 repository = "https://github.com/filecoin-project/ff-cl-gen"
 license = "MIT/Apache-2.0"
+rust-version = "1.62.1"
 
 [dependencies]
 bitvec = "1.0.1"
@@ -20,7 +21,7 @@ log = "0.4.14"
 num_cpus = "1.13.0"
 once_cell = "1.8.0"
 rayon = "1.5.1"
-rust-gpu-tools = { version = "0.6.1", default-features = false, optional = true }
+rust-gpu-tools = { version = "0.7.0", default-features = false, optional = true }
 sha2 = "0.10"
 thiserror = "1.0.30"
 yastl = "0.1.2"
@@ -34,7 +35,7 @@ blstrs = { version = "0.6.0", features = ["__private_bench", "gpu"] }
 rand = "0.8"
 lazy_static = "1.2"
 pairing = "0.22.0"
-temp-env = "0.2.0"
+temp-env = "0.3.0"
 rand_core = "0.6.3"
 rand_xorshift = "0.3.0"
 

ec-gpu-gen/src/source.rs

@@ -737,7 +737,7 @@ mod tests {
     #[cfg(feature = "opencl")]
     impl opencl::KernelArgument for GpuScalar {
         fn push(&self, kernel: &mut opencl::Kernel) {
-            kernel.builder.set_arg(&self.0);
+            unsafe { kernel.builder.set_arg(&self.0) };
         }
     }
 

rust-toolchain

@@ -1 +1 @@
-1.59.0
+1.62.1