rust-lang · bors · Aug 22, 2023 · Aug 17, 2023 · Aug 17, 2023 · Aug 20, 2023
diff --git a/Cargo.lock b/Cargo.lock
@@ -218,7 +218,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "serde",
- "syn 2.0.27",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -500,7 +500,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn 2.0.27",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -525,7 +525,7 @@ dependencies = [
  "regex",
  "rustc_tools_util",
  "serde",
- "syn 2.0.27",
+ "syn 2.0.29",
  "tempfile",
  "termize",
  "tester",
@@ -849,7 +849,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.27",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -860,7 +860,7 @@ checksum = "836a9bbc7ad63342d6d6e7b815ccab164bc77a2d95d84bc3117a8c0d5c98e2d5"
 dependencies = [
  "darling_core",
  "quote",
- "syn 2.0.27",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -875,7 +875,7 @@ version = "0.1.73"
 dependencies = [
  "itertools",
  "quote",
- "syn 2.0.27",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -911,7 +911,7 @@ dependencies = [
  "darling",
  "proc-macro2",
  "quote",
- "syn 2.0.27",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -988,7 +988,7 @@ checksum = "487585f4d0c6655fe74905e2504d8ad6908e4db67f744eb140876906c2f3175d"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.27",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -1354,7 +1354,7 @@ checksum = "89ca545a94061b6365f2c7355b4b32bd20df3ff95f02da9329b34ccc3bd6ee72"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.27",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -2334,6 +2334,7 @@ dependencies = [
  "rand",
  "regex",
  "rustc_version",
+ "serde",
  "smallvec",
  "ui_test",
 ]
@@ -2503,7 +2504,7 @@ checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.27",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -2691,7 +2692,7 @@ dependencies = [
  "pest_meta",
  "proc-macro2",
  "quote",
- "syn 2.0.27",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -3636,7 +3637,7 @@ dependencies = [
  "fluent-syntax",
  "proc-macro2",
  "quote",
- "syn 2.0.27",
+ "syn 2.0.29",
  "unic-langid",
 ]
 
@@ -3906,7 +3907,7 @@ version = "0.1.0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.27",
+ "syn 2.0.29",
  "synstructure 0.13.0",
 ]
 
@@ -4514,7 +4515,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "serde",
- "syn 2.0.27",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -4666,22 +4667,22 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.164"
+version = "1.0.185"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e8c8cf938e98f769bc164923b06dce91cea1751522f46f8466461af04c9027d"
+checksum = "be9b6f69f1dfd54c3b568ffa45c310d6973a5e5148fd40cf515acaf38cf5bc31"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.164"
+version = "1.0.185"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9735b638ccc51c28bf6914d90a2e9725b377144fc612c49a611fddd1b631d68"
+checksum = "dc59dfdcbad1437773485e0367fea4b090a2e0a16d9ffc46af47764536a298ec"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.27",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -4962,9 +4963,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.27"
+version = "2.0.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b60f673f44a8255b9c8c657daf66a596d435f2da81a555b06dc644d080ba45e0"
+checksum = "c324c494eba9d92503e6f1ef2e6df781e78f6a7705a0202d9801b198807d518a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -4991,7 +4992,7 @@ checksum = "285ba80e733fac80aa4270fbcdf83772a79b80aa35c97075320abfee4a915b06"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.27",
+ "syn 2.0.29",
  "unicode-xid",
 ]
 
@@ -5161,7 +5162,7 @@ checksum = "6bb623b56e39ab7dcd4b1b98bb6c8f8d907ed255b18de254088016b27a8ee19b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.27",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -5382,7 +5383,7 @@ checksum = "5f4f31f56159e98206da9efd823404b79b6ef3143b4a7ab76e67b1751b25a4ab"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.27",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -5777,7 +5778,7 @@ dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "syn 2.0.27",
+ "syn 2.0.29",
  "wasm-bindgen-shared",
 ]
 
@@ -5811,7 +5812,7 @@ checksum = "54681b18a46765f095758388f2d0cf16eb8d4169b639ab575a8f5693af210c7b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.27",
+ "syn 2.0.29",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]

diff --git a/src/tools/miri/.github/workflows/ci.yml b/src/tools/miri/.github/workflows/ci.yml
@@ -189,8 +189,6 @@ jobs:
           fetch-depth: 256 # get a bit more of the history
       - name: install josh-proxy
         run: cargo +stable install josh-proxy --git https://github.com/josh-project/josh --tag r22.12.06
-      - name: start josh-proxy
-        run: josh-proxy --local=$HOME/.cache/josh --remote=https://github.com --no-background &
       - name: setup bot git name and email
         run: |
           git config --global user.name 'The Miri Conjob Bot'

diff --git a/src/tools/miri/CONTRIBUTING.md b/src/tools/miri/CONTRIBUTING.md
@@ -165,16 +165,17 @@ to `.vscode/settings.json` in your local Miri clone:
 {
     "rust-analyzer.rustc.source": "discover",
     "rust-analyzer.linkedProjects": [
-        "./Cargo.toml",
-        "./cargo-miri/Cargo.toml"
+        "Cargo.toml",
+        "cargo-miri/Cargo.toml",
+        "miri-script/Cargo.toml",
     ],
-    "rust-analyzer.checkOnSave.overrideCommand": [
+    "rust-analyzer.check.overrideCommand": [
         "env",
         "MIRI_AUTO_OPS=no",
         "./miri",
         "cargo",
         "clippy", // make this `check` when working with a locally built rustc
-        "--message-format=json"
+        "--message-format=json",
     ],
     // Contrary to what the name suggests, this also affects proc macros.
     "rust-analyzer.cargo.buildScripts.overrideCommand": [
@@ -230,25 +231,16 @@ You can also directly run Miri on a Rust source file:
 ## Advanced topic: Syncing with the rustc repo
 
 We use the [`josh` proxy](https://github.com/josh-project/josh) to transmit changes between the
-rustc and Miri repositories.
+rustc and Miri repositories. You can install it as follows:
 
 ```sh
 cargo +stable install josh-proxy --git https://github.com/josh-project/josh --tag r22.12.06
-josh-proxy --local=$HOME/.cache/josh --remote=https://github.com --no-background
 ```
 
-This uses a directory `$HOME/.cache/josh` as a cache, to speed up repeated pulling/pushing.
-
-To make josh push via ssh instead of https, you can add the following to your `.gitconfig`:
-
-```toml
-[url "git@github.com:"]
-    pushInsteadOf = https://github.com/
-```
+Josh will automatically be started and stopped by `./miri`.
 
 ### Importing changes from the rustc repo
 
-Josh needs to be running, as described above.
 We assume we start on an up-to-date master branch in the Miri repo.
 
 ```sh
@@ -267,16 +259,14 @@ needed.
 
 ### Exporting changes to the rustc repo
 
-Keep in mind that pushing is the most complicated job that josh has to do --
-pulling just filters the rustc history, but pushing needs to construct a new
-rustc history that would filter to the given Miri history! To avoid problems, it
-is a good idea to always pull immediately before you push. In particular, you
-should never do two josh pushes without an intermediate pull; that can lead to
-duplicated commits.
+Keep in mind that pushing is the most complicated job that josh has to do -- pulling just filters
+the rustc history, but pushing needs to construct a new rustc history that would filter to the given
+Miri history! To avoid problems, it is a good idea to always pull immediately before you push. If
+you are getting strange errors, chances are you are running into [this josh
+bug](https://github.com/josh-project/josh/issues/998). In that case, please get in touch on Zulip.
 
-Josh needs to be running, as described above. We will use the josh proxy to push
-to your fork of rustc. Run the following in the Miri repo, assuming we are on an
-up-to-date master branch:
+We will use the josh proxy to push to your fork of rustc. Run the following in the Miri repo,
+assuming we are on an up-to-date master branch:
 
 ```sh
 # Push the Miri changes to your rustc fork (substitute your github handle for YOUR_NAME).
@@ -286,3 +276,11 @@ up-to-date master branch:
 This will create a new branch called 'miri' in your fork, and the output should
 include a link to create a rustc PR that will integrate those changes into the
 main repository.
+
+If this fails due to authentication problems, it can help to make josh push via ssh instead of
+https. Add the following to your `.gitconfig`:
+
+```toml
+[url "git@github.com:"]
+    pushInsteadOf = https://github.com/
+```
diff --git a/src/tools/miri/Cargo.lock b/src/tools/miri/Cargo.lock
@@ -443,6 +443,7 @@ dependencies = [
  "rand",
  "regex",
  "rustc_version",
+ "serde",
  "smallvec",
  "ui_test",
 ]
@@ -528,18 +529,18 @@ checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.60"
+version = "1.0.66"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dec2b086b7a862cf4de201096214fa870344cf922b2b30c167badb3af3195406"
+checksum = "18fb31db3f9bddb2ea821cde30a9f70117e3f119938b5ee630b7403aa6e2ead9"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.26"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
+checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
 dependencies = [
  "proc-macro2",
 ]
@@ -685,18 +686,18 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.162"
+version = "1.0.185"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "71b2f6e1ab5c2b98c05f0f35b236b22e8df7ead6ffbf51d7808da7f8817e7ab6"
+checksum = "be9b6f69f1dfd54c3b568ffa45c310d6973a5e5148fd40cf515acaf38cf5bc31"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.162"
+version = "1.0.185"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a2a0814352fd64b58489904a44ea8d90cb1a91dcb6b4f5ebabc32c8318e93cb6"
+checksum = "dc59dfdcbad1437773485e0367fea4b090a2e0a16d9ffc46af47764536a298ec"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -737,9 +738,9 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "syn"
-version = "2.0.15"
+version = "2.0.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a34fcf3e8b60f57e6a14301a2e916d323af98b0ea63c599441eec8558660c822"
+checksum = "c324c494eba9d92503e6f1ef2e6df781e78f6a7705a0202d9801b198807d518a"
 dependencies = [
  "proc-macro2",
  "quote",

diff --git a/src/tools/miri/Cargo.toml b/src/tools/miri/Cargo.toml
@@ -41,6 +41,8 @@ rustc_version = "0.4"
 # Features chosen to match those required by env_logger, to avoid rebuilds
 regex = { version = "1.5.5", default-features = false, features = ["perf", "std"] }
 lazy_static = "1.4.0"
+# Require a version of serde without intransparent unreproducible binary blobs.
+serde = { version = "1.0.185", features = ["derive"] }
 
 [package.metadata.rust-analyzer]
 # This crate uses #[feature(rustc_private)].

diff --git a/src/tools/miri/README.md b/src/tools/miri/README.md
@@ -458,8 +458,8 @@ Some native rustc `-Z` flags are also very relevant for Miri:
 Moreover, Miri recognizes some environment variables:
 
 * `MIRI_AUTO_OPS` indicates whether the automatic execution of rustfmt, clippy and toolchain setup
-  should be skipped. If it is set to any value, they are skipped. This is used for avoiding infinite
-  recursion in `./miri` and to allow automated IDE actions to avoid the auto ops.
+  should be skipped. If it is set to `no`, they are skipped. This is used to allow automated IDE
+  actions to avoid the auto ops.
 * `MIRI_LOG`, `MIRI_BACKTRACE` control logging and backtrace printing during
   Miri executions, also [see "Testing the Miri driver" in `CONTRIBUTING.md`][testing-miri].
 * `MIRIFLAGS` (recognized by `cargo miri` and the test suite) defines extra