[INFO] updating cached repository sarna/connectfour
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sarna/connectfour
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sarna/connectfour" "work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/gh/sarna/connectfour"`
[INFO] [stderr] Cloning into 'work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/gh/sarna/connectfour'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sarna/connectfour" "work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/gh/sarna/connectfour"`
[INFO] [stderr] Cloning into 'work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/gh/sarna/connectfour'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 22e1523fd675028ccd2b5b6fb0eba8431c2cbb24
[INFO] sha for GitHub repo sarna/connectfour: 22e1523fd675028ccd2b5b6fb0eba8431c2cbb24
[INFO] validating manifest of sarna/connectfour on toolchain master#003382e4150984cb476047b3925edf8d75df2d59
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+003382e4150984cb476047b3925edf8d75df2d59-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sarna/connectfour on toolchain try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+47f4f94676fbdd494dd2c2dc9ac377a13fc78e00-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sarna/connectfour
[INFO] finished frobbing sarna/connectfour
[INFO] frobbed toml for sarna/connectfour written to work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/gh/sarna/connectfour/Cargo.toml
[INFO] started frobbing sarna/connectfour
[INFO] finished frobbing sarna/connectfour
[INFO] frobbed toml for sarna/connectfour written to work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/gh/sarna/connectfour/Cargo.toml
[INFO] crate sarna/connectfour already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+003382e4150984cb476047b3925edf8d75df2d59-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+47f4f94676fbdd494dd2c2dc9ac377a13fc78e00-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sarna/connectfour against try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00 for pr-59527
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59527/worker-2/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/gh/sarna/connectfour:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+47f4f94676fbdd494dd2c2dc9ac377a13fc78e00-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 30d60be9b62a29c7f7c40ce4f7e81d5675e28a69b0c7b8adcad00b72d63bc549
[INFO] running `"docker" "start" "-a" "30d60be9b62a29c7f7c40ce4f7e81d5675e28a69b0c7b8adcad00b72d63bc549"`
[INFO] [stderr]     Checking connectfour v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "30d60be9b62a29c7f7c40ce4f7e81d5675e28a69b0c7b8adcad00b72d63bc549"`
[INFO] running `"docker" "rm" "-f" "30d60be9b62a29c7f7c40ce4f7e81d5675e28a69b0c7b8adcad00b72d63bc549"`
[INFO] [stdout] 30d60be9b62a29c7f7c40ce4f7e81d5675e28a69b0c7b8adcad00b72d63bc549