Fix local callgrind runs (#723)

* Fix local callgrind runs

* Rust version sanity check

Author: kazimuth

crates/bench/Dockerfile

@@ -2,7 +2,8 @@
 # Set up to run from linux / WSL (running from a windows file system will be extremely slow).
 # See the README for commands to run.
 
-FROM rust:1.72
+# sync with: ../../rust-toolchain.toml
+FROM rust:1.74
 
 RUN apt-get update && \
     apt-get install -y valgrind protobuf-compiler bash && \
@@ -11,3 +12,5 @@ RUN apt-get update && \
 ENV CARGO_TARGET_DIR=/projects/SpacetimeDB/linux-target
 ENV CARGO_HOME=/projects/SpacetimeDB/linux-cache
 ENV RUSTUP_HOME=/projects/SpacetimeDB/linux-rustup
+
+RUN rustup default 1.74 && cargo install --git https://github.com/clockworklabs/iai-callgrind.git --branch main iai-callgrind-runner