Dec 12 06:52:39.420 INFO checking stm32f7-0.4.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 06:52:39.420 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 06:52:40.641 INFO [stdout] f4a3e959fdc8bd3d7641ec792f4e1fa688faea918b1c31ab01d8376d05779778
Dec 12 06:52:40.643 INFO running `"docker" "start" "-a" "f4a3e959fdc8bd3d7641ec792f4e1fa688faea918b1c31ab01d8376d05779778"`
Dec 12 06:52:43.344 INFO [stderr] usermod: no changes
Dec 12 06:52:43.633 INFO [stderr]    Compiling cortex-m v0.5.8
Dec 12 06:52:43.633 INFO [stderr]     Checking vcell v0.1.0
Dec 12 06:52:43.638 INFO [stderr]    Compiling stm32f7 v0.4.0 (/source)
Dec 12 06:52:43.640 INFO [stderr]     Checking aligned v0.2.0
Dec 12 06:52:43.642 INFO [stderr]    Compiling bare-metal v0.2.4
Dec 12 06:52:44.094 INFO [stderr]     Checking volatile-register v0.2.0
Dec 12 06:52:48.082 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.70s
Dec 12 06:52:48.085 INFO [stderr] su: No module specific data is present
Dec 12 06:52:48.809 INFO running `"docker" "inspect" "f4a3e959fdc8bd3d7641ec792f4e1fa688faea918b1c31ab01d8376d05779778"`
Dec 12 06:52:48.922 INFO running `"docker" "rm" "-f" "f4a3e959fdc8bd3d7641ec792f4e1fa688faea918b1c31ab01d8376d05779778"`
Dec 12 06:52:49.043 INFO [stdout] f4a3e959fdc8bd3d7641ec792f4e1fa688faea918b1c31ab01d8376d05779778