Add logging to the assembler #4306

Job	Run time
Clippy	39s
rustfmt	12s
no-std (stable, wasm32-unknown-unknown)	1m 12s
no-std (nightly, wasm32-unknown-unknown)	47s
Check Rust stable on ubuntu with --all-targets --no-default-features	47s
Test Rust stable on ubuntu with --profile test-release	5m 2s
Check Rust stable on ubuntu with --all-targets	49s
Test Rust nightly on windows-2022	0s
Test Rust stable on ubuntu with --profile test-release --doc	2m 49s
Check Rust stable on ubuntu with --all-targets --all-features	52s
Test Rust nightly on ubuntu with --profile test-release	5m 14s
Check Rust nightly on ubuntu with --all-targets --no-default-features	50s
Check Rust nightly on ubuntu with --all-targets	47s
Test Rust nightly on ubuntu with --profile test-release --doc	2m 54s
Check Rust nightly on ubuntu with --all-targets --all-features	59s
	23m 53s

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