Using rustflags: -Ctarget-cpu=atmega328p
Blocking waiting for file lock on package cache
Blocking waiting for file lock on package cache
Compiling compiler_builtins v0.1.151
Compiling core v0.0.0 (/var/lib/does-it-build/.rustup/toolchains/nightly-2025-03-09-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core)
Compiling rustc-std-workspace-core v1.99.0 (/var/lib/does-it-build/.rustup/toolchains/nightly-2025-03-09-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/rustc-std-workspace-core)
Compiling target-test v0.1.0 (/tmp/.tmpp4EYOZ)
Finished `release` profile [optimized] target(s) in 21.47s