RLA eats filename from logs when showing summary

[matthiaskrgr]

rust-lang/rust#93218 (comment)
https://github.com/rust-lang/rust/runs/4909655791?check_suite_focus=true#step:26:536

The logs said:

    Checking rustc_ty_utils v0.0.0 (/checkout/compiler/rustc_ty_utils)
    Checking rustc_traits v0.0.0 (/checkout/compiler/rustc_traits)
    Checking rustc_mir_build v0.0.0 (/checkout/compiler/rustc_mir_build)
error[E0636]: the feature `let_else` has already been declared
  --> compiler/rustc_codegen_llvm/src/lib.rs:13:12
   |
13 | #![feature(let_else)]
   |            ^^^^^^^^

For more information about this error, try `rustc --explain E0636`.
error: could not compile `rustc_codegen_llvm` due to previous error
warning: build failed, waiting for other jobs to finish...
error: build failed
Build completed unsuccessfully in 0:02:41
== clock drift check ==
  local time: Sat Jan 22 23:43:00 UTC 2022
  network time: Sat, 22 Jan 2022 23:43:00 GMT
== end clock drift check ==
Error: Process completed with exit code 1.

But RLA did not put the --> compiler/rustc_codegen_llvm/src/lib.rs:13:12 line into the comment snippet for some reason: