error_index_generator in 1.24.0 fails to build using 1.24.0, entity not found #48308
Description
I can build rust 1.24.0 using our 1.23.0 package, but when I try to build 1.24.0 again using the 1.24.0 package I already built I get the following error during python2 ./x.py install:
Documenting error index (x86_64-unknown-linux-gnu)
Building stage2 tool error_index_generator (x86_64-unknown-linux-gnu)
Compiling error_index_generator v0.0.0 (file://github.com/build/rust/src/rustc-1.24.0-src/src/tools/error_index_generator)
Finished release [optimized] target(s) in 4.3 secs
thread 'main' panicked at 'entity not found', tools/error_index_generator/main.rs:209:9
note: Run with `RUST_BACKTRACE=1` for a backtrace.
command did not execute successfully: "/build/rust/src/rustc-1.24.0-src/build/x86_64-unknown-linux-gnu/stage2-tools-bin/error_index_generator" "html" "/build/rust/src/rustc-1.24.0-src/build/x86_64-unknown-linux-gnu/doc/error-index.html"
expected success, got: exit code: 101
failed to run: /build/rust/src/rustc-1.24.0-src/build/bootstrap/debug/bootstrap install
Build completed unsuccessfully in 0:01:47