Dec 14 18:20:51.785 INFO testing stm32f407g-disc-0.1.2 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 18:20:51.785 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 14 18:20:52.237 INFO [stdout] d9ec8ed6c21e34c77d6a863ee5f901e5d5a0525c7630fb7b64aac4b20d6c9866
Dec 14 18:20:52.239 INFO running `"docker" "start" "-a" "d9ec8ed6c21e34c77d6a863ee5f901e5d5a0525c7630fb7b64aac4b20d6c9866"`
Dec 14 18:20:52.765 INFO [stderr] usermod: no changes
Dec 14 18:20:52.847 INFO [stderr]    Compiling cortex-m-rt v0.6.6
Dec 14 18:20:52.847 INFO [stderr]    Compiling stm32f4 v0.4.0
Dec 14 18:20:52.848 INFO [stderr]    Compiling rand_core v0.2.2
Dec 14 18:20:52.848 INFO [stderr]    Compiling embedded-hal v0.2.2
Dec 14 18:20:52.850 INFO [stderr]    Compiling bare-metal v0.2.4
Dec 14 18:20:53.508 INFO [stderr]    Compiling rand v0.5.5
Dec 14 18:20:55.810 INFO [stderr]    Compiling cortex-m v0.5.8
Dec 14 18:20:57.845 INFO [stderr]    Compiling cortex-m-rt-macros v0.1.4
Dec 14 18:21:44.309 INFO [stderr] error: Could not compile `stm32f4`.
Dec 14 18:21:44.309 INFO [stderr] 
Dec 14 18:21:44.309 INFO [stderr] Caused by:
Dec 14 18:21:44.309 INFO [stderr]   process didn't exit successfully: `rustc --crate-name stm32f4 /cargo-home/registry/src/github.com-1ecc6299db9ec823/stm32f4-0.4.0/src/lib.rs --color never --crate-type lib --emit=dep-info,link -C debuginfo=2 --cfg 'feature="cortex-m-rt"' --cfg 'feature="default"' --cfg 'feature="rt"' --cfg 'feature="stm32f407"' -C metadata=ffc864aba9627569 -C extra-filename=-ffc864aba9627569 --out-dir /target/debug/deps -L dependency=/target/debug/deps --extern bare_metal=/target/debug/deps/libbare_metal-c02249ddeb1f848f.rlib --extern cortex_m=/target/debug/deps/libcortex_m-54107e801306e833.rlib --extern cortex_m_rt=/target/debug/deps/libcortex_m_rt-586a71d9f2f8f87e.rlib --extern vcell=/target/debug/deps/libvcell-42373d8ce695b2da.rlib --cap-lints allow --cap-lints=forbid -L /target/debug/build/stm32f4-628b00c3a1e542ba/out -L /target/debug/build/cortex-m-rt-c41b45cd91c3c2f7/out` (signal: 9, SIGKILL: kill)
Dec 14 18:21:44.311 INFO [stderr] su: No module specific data is present
Dec 14 18:21:44.813 INFO running `"docker" "inspect" "d9ec8ed6c21e34c77d6a863ee5f901e5d5a0525c7630fb7b64aac4b20d6c9866"`
Dec 14 18:21:44.931 INFO running `"docker" "rm" "-f" "d9ec8ed6c21e34c77d6a863ee5f901e5d5a0525c7630fb7b64aac4b20d6c9866"`
Dec 14 18:21:45.040 INFO [stdout] d9ec8ed6c21e34c77d6a863ee5f901e5d5a0525c7630fb7b64aac4b20d6c9866