Dec 11 14:23:42.911 INFO checking lwagner94/mycpu against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 14:23:42.911 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 14:23:43.503 INFO [stdout] fbb9d1cc8e3336b4cf73d82220588d6528b7260d498aca4ca8b50d0f29dc020e
Dec 11 14:23:43.505 INFO running `"docker" "start" "-a" "fbb9d1cc8e3336b4cf73d82220588d6528b7260d498aca4ca8b50d0f29dc020e"`
Dec 11 14:23:44.788 INFO [stderr] usermod: no changes
Dec 11 14:23:44.864 INFO [stderr]    Compiling mycpu v0.1.0 (/source)
Dec 11 14:23:46.258 INFO [stderr] error: failed to run custom build command for `mycpu v0.1.0 (/source)`
Dec 11 14:23:46.258 INFO [stderr] process didn't exit successfully: `/target/debug/build/mycpu-7b64165029a4a192/build-script-build` (exit code: 2)
Dec 11 14:23:46.258 INFO [stderr] --- stderr
Dec 11 14:23:46.258 INFO [stderr]   File "generate_instructions.py", line 41
Dec 11 14:23:46.258 INFO [stderr]     instr += f"    {name},\n"
Dec 11 14:23:46.258 INFO [stderr]                             ^
Dec 11 14:23:46.258 INFO [stderr] SyntaxError: invalid syntax
Dec 11 14:23:46.258 INFO [stderr] Traceback (most recent call last):
Dec 11 14:23:46.258 INFO [stderr]   File "generate_parser.py", line 2, in <module>
Dec 11 14:23:46.258 INFO [stderr]     import yaml
Dec 11 14:23:46.258 INFO [stderr] ImportError: No module named 'yaml'
Dec 11 14:23:46.258 INFO [stderr] 
Dec 11 14:23:46.261 INFO [stderr] su: No module specific data is present
Dec 11 14:23:47.293 INFO running `"docker" "inspect" "fbb9d1cc8e3336b4cf73d82220588d6528b7260d498aca4ca8b50d0f29dc020e"`
Dec 11 14:23:47.562 INFO running `"docker" "rm" "-f" "fbb9d1cc8e3336b4cf73d82220588d6528b7260d498aca4ca8b50d0f29dc020e"`
Dec 11 14:23:47.856 INFO [stdout] fbb9d1cc8e3336b4cf73d82220588d6528b7260d498aca4ca8b50d0f29dc020e