[INFO] updating cached repository kevchn/guessing-game [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/kevchn/guessing-game [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/kevchn/guessing-game" "work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/gh/kevchn/guessing-game"` [INFO] [stderr] Cloning into 'work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/gh/kevchn/guessing-game'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/kevchn/guessing-game" "work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/gh/kevchn/guessing-game"` [INFO] [stderr] Cloning into 'work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/gh/kevchn/guessing-game'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7e733e3ebeb2fd2c95988ba78792c52c2f256f27 [INFO] sha for GitHub repo kevchn/guessing-game: 7e733e3ebeb2fd2c95988ba78792c52c2f256f27 [INFO] validating manifest of kevchn/guessing-game 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 kevchn/guessing-game 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 kevchn/guessing-game [INFO] finished frobbing kevchn/guessing-game [INFO] frobbed toml for kevchn/guessing-game written to work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/gh/kevchn/guessing-game/Cargo.toml [INFO] started frobbing kevchn/guessing-game [INFO] finished frobbing kevchn/guessing-game [INFO] frobbed toml for kevchn/guessing-game written to work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/gh/kevchn/guessing-game/Cargo.toml [INFO] crate kevchn/guessing-game 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 kevchn/guessing-game against try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00 for pr-59527 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59527/worker-4/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/gh/kevchn/guessing-game:/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] 49e02d722640f428d544a3fdb806b2c8a91f3e30eb72905815abb7437c7f739b [INFO] running `"docker" "start" "-a" "49e02d722640f428d544a3fdb806b2c8a91f3e30eb72905815abb7437c7f739b"` [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking guessing-game v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.85s [INFO] running `"docker" "inspect" "49e02d722640f428d544a3fdb806b2c8a91f3e30eb72905815abb7437c7f739b"` [INFO] running `"docker" "rm" "-f" "49e02d722640f428d544a3fdb806b2c8a91f3e30eb72905815abb7437c7f739b"` [INFO] [stdout] 49e02d722640f428d544a3fdb806b2c8a91f3e30eb72905815abb7437c7f739b