[INFO] cloning repository chuchu01/guessing_game2 [INFO] running `"git" "clone" "--bare" "git://github.com/chuchu01/guessing_game2.git" "work/cache/sources/gh/chuchu01/guessing_game2"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/chuchu01/guessing_game2'... [INFO] running `"git" "clone" "work/cache/sources/gh/chuchu01/guessing_game2" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/chuchu01/guessing_game2"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/chuchu01/guessing_game2'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/chuchu01/guessing_game2" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/chuchu01/guessing_game2"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/chuchu01/guessing_game2'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 897f67f955116ec5f4c62759446405e49df6708c [INFO] sha for GitHub repo chuchu01/guessing_game2: 897f67f955116ec5f4c62759446405e49df6708c [INFO] validating manifest of chuchu01/guessing_game2 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of chuchu01/guessing_game2 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing chuchu01/guessing_game2 [INFO] finished frobbing chuchu01/guessing_game2 [INFO] frobbed toml for chuchu01/guessing_game2 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/chuchu01/guessing_game2/Cargo.toml [INFO] started frobbing chuchu01/guessing_game2 [INFO] finished frobbing chuchu01/guessing_game2 [INFO] frobbed toml for chuchu01/guessing_game2 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/chuchu01/guessing_game2/Cargo.toml [INFO] crate chuchu01/guessing_game2 already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking chuchu01/guessing_game2 against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008 [INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-6/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/chuchu01/guessing_game2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] a8430b1b737f7a89a634f3c51044c7d6d6c90550db79568d6f6566ae29808ed4 [INFO] running `"docker" "start" "-a" "a8430b1b737f7a89a634f3c51044c7d6d6c90550db79568d6f6566ae29808ed4"` [INFO] [stderr] Checking guessing_game v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.45s [INFO] running `"docker" "inspect" "a8430b1b737f7a89a634f3c51044c7d6d6c90550db79568d6f6566ae29808ed4"` [INFO] running `"docker" "rm" "-f" "a8430b1b737f7a89a634f3c51044c7d6d6c90550db79568d6f6566ae29808ed4"` [INFO] [stdout] a8430b1b737f7a89a634f3c51044c7d6d6c90550db79568d6f6566ae29808ed4