[INFO] updating cached repository Gen-OS/bbb-proof-of-concept [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Gen-OS/bbb-proof-of-concept [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Gen-OS/bbb-proof-of-concept" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/Gen-OS/bbb-proof-of-concept"` [INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/Gen-OS/bbb-proof-of-concept'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Gen-OS/bbb-proof-of-concept" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Gen-OS/bbb-proof-of-concept"` [INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Gen-OS/bbb-proof-of-concept'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 6721a71feb162541895451ac00155c8c23605361 [INFO] sha for GitHub repo Gen-OS/bbb-proof-of-concept: 6721a71feb162541895451ac00155c8c23605361 [INFO] validating manifest of Gen-OS/bbb-proof-of-concept on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of Gen-OS/bbb-proof-of-concept on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing Gen-OS/bbb-proof-of-concept [INFO] finished frobbing Gen-OS/bbb-proof-of-concept [INFO] frobbed toml for Gen-OS/bbb-proof-of-concept written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/Gen-OS/bbb-proof-of-concept/Cargo.toml [INFO] started frobbing Gen-OS/bbb-proof-of-concept [INFO] finished frobbing Gen-OS/bbb-proof-of-concept [INFO] frobbed toml for Gen-OS/bbb-proof-of-concept written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Gen-OS/bbb-proof-of-concept/Cargo.toml [INFO] crate Gen-OS/bbb-proof-of-concept already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-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 --target thumbv7a-none-eabi --crate-type bin --crate-type rlib --crate-type dylib --crate-type cdylib --crate-type staticlib --crate-type proc-macro --print=sysroot --print=cfg` (exit code: 1) [INFO] [stderr] --- stderr [INFO] [stderr] error: Error loading target specification: Field target-c-int-width in target specification is required [INFO] [stderr] | [INFO] [stderr] = help: Use `--print target-list` for a list of built-in targets [INFO] [stderr] [INFO] [stderr] [ERROR] this task or one of its parent failed! [ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed