[INFO] updating cached repository shima-529/STM32OnRust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/shima-529/STM32OnRust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/shima-529/STM32OnRust" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/shima-529/STM32OnRust"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/shima-529/STM32OnRust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/shima-529/STM32OnRust" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/shima-529/STM32OnRust"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/shima-529/STM32OnRust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f4ca4568daa4bf942b86b5e56fb6f0fff7a3d64a [INFO] sha for GitHub repo shima-529/STM32OnRust: f4ca4568daa4bf942b86b5e56fb6f0fff7a3d64a [INFO] validating manifest of shima-529/STM32OnRust on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of shima-529/STM32OnRust on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing shima-529/STM32OnRust [INFO] finished frobbing shima-529/STM32OnRust [INFO] frobbed toml for shima-529/STM32OnRust written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/shima-529/STM32OnRust/Cargo.toml [INFO] started frobbing shima-529/STM32OnRust [INFO] finished frobbing shima-529/STM32OnRust [INFO] frobbed toml for shima-529/STM32OnRust written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/shima-529/STM32OnRust/Cargo.toml [INFO] crate shima-529/STM32OnRust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: failed to run `rustc` to learn about target-specific information [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc - --crate-name ___ --print=file-names -C linker=arm-none-eabi-gcc -Z linker-flavor=gcc -Z no-landing-pads -C opt-level=2 -C link-arg=-mcpu=cortex-m4 -C link-arg=-mthumb -C link-arg=-mfloat-abi=hard -C link-arg=-mfpu=fpv4-sp-d16 -C link-arg=-specs=nosys.specs -C link-arg=-specs=nano.specs -C link-arg=-Wl,-T,src/layout.ld -C link-arg=-Wl,--gc-sections --target thumbv7em-none-eabihf --crate-type bin --crate-type rlib --crate-type dylib --crate-type cdylib --crate-type staticlib --crate-type proc-macro` (exit code: 1) [INFO] [stderr] --- stderr [INFO] [stderr] error: unknown debugging option: `linker-flavor` [INFO] [stderr] [INFO] [stderr] [ERROR] this task or one of its parent failed! [ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed