Dec 12 06:53:13.115 INFO checking stm32f4-0.4.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 06:53:13.115 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 06:53:14.208 INFO [stdout] 47858f3ab44e4116367c7805c3088e2a797fd46d1172b2e5e3ca31df3febb726
Dec 12 06:53:14.214 INFO running `"docker" "start" "-a" "47858f3ab44e4116367c7805c3088e2a797fd46d1172b2e5e3ca31df3febb726"`
Dec 12 06:53:14.922 INFO [stderr] usermod: no changes
Dec 12 06:53:15.177 INFO [stderr]    Compiling cortex-m v0.5.8
Dec 12 06:53:15.177 INFO [stderr]     Checking vcell v0.1.0
Dec 12 06:53:15.177 INFO [stderr]    Compiling stm32f4 v0.4.0 (/source)
Dec 12 06:53:15.180 INFO [stderr]     Checking aligned v0.2.0
Dec 12 06:53:15.181 INFO [stderr]    Compiling bare-metal v0.2.4
Dec 12 06:53:15.749 INFO [stderr]     Checking volatile-register v0.2.0
Dec 12 06:53:19.856 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.92s
Dec 12 06:53:19.860 INFO [stderr] su: No module specific data is present
Dec 12 06:53:21.022 INFO running `"docker" "inspect" "47858f3ab44e4116367c7805c3088e2a797fd46d1172b2e5e3ca31df3febb726"`
Dec 12 06:53:21.318 INFO running `"docker" "rm" "-f" "47858f3ab44e4116367c7805c3088e2a797fd46d1172b2e5e3ca31df3febb726"`
Dec 12 06:53:21.532 INFO [stdout] 47858f3ab44e4116367c7805c3088e2a797fd46d1172b2e5e3ca31df3febb726