🧹 Attempt to make builds reproducible

It's actually very difficult to make Rust builds reproducible, but let's
at least try before giving up.

Ref: rust-lang/rust#129080
Ref: rust-lang/cargo#9506
Ref: https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#profile-trim-paths-option

Author: shniubobo

.github/workflows/build.yaml

@@ -11,7 +11,7 @@ on:
       - master
 
 env:
-  RUSTFLAGS: -Dwarnings
+  RUSTFLAGS: -Dwarnings --remap-path-prefix /home/runner=/home/redacted
 
 jobs:
   check:

Cargo.toml

@@ -5,5 +5,9 @@ members = [
 ]
 
 [profile.release]
-lto = true
 opt-level = "s"
+strip = "symbols"
+lto = true
+panic = "abort"
+incremental = false
+codegen-units = 1

pgpvis-core/Cargo.toml

@@ -18,3 +18,6 @@ wasm-bindgen = "0.2.100"
 
 [dev-dependencies]
 insta = { version = "1.42.2", features = ["yaml"] }
+
+[package.metadata.wasm-pack.profile.release]
+wasm-opt = ["-O"]

scripts/dist.sh

@@ -16,6 +16,10 @@ echo "SOURCE_DATE_EPOCH: $SOURCE_DATE_EPOCH ($source_date_iso)"
 version="$($script_dir/version.sh)"
 dist_name="pgpvis-$version"
 echo "Building $dist_name"
+
+echo "============================================================"
+echo "Rust toolchain:"
+rustup show -v
 echo "============================================================"
 
 mkdir -p "$dist_dir"