[INFO] updating cached repository zalavin/bulls_and_cows [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/zalavin/bulls_and_cows [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/zalavin/bulls_and_cows" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/zalavin/bulls_and_cows"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/zalavin/bulls_and_cows'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/zalavin/bulls_and_cows" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/zalavin/bulls_and_cows"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/zalavin/bulls_and_cows'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 3c71194e24aa73e0cf5db61451acf0bbb732172e [INFO] sha for GitHub repo zalavin/bulls_and_cows: 3c71194e24aa73e0cf5db61451acf0bbb732172e [INFO] validating manifest of zalavin/bulls_and_cows 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 zalavin/bulls_and_cows 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 zalavin/bulls_and_cows [INFO] finished frobbing zalavin/bulls_and_cows [INFO] frobbed toml for zalavin/bulls_and_cows written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/zalavin/bulls_and_cows/Cargo.toml [INFO] started frobbing zalavin/bulls_and_cows [INFO] finished frobbing zalavin/bulls_and_cows [INFO] frobbed toml for zalavin/bulls_and_cows written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/zalavin/bulls_and_cows/Cargo.toml [INFO] crate zalavin/bulls_and_cows 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking zalavin/bulls_and_cows against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-0/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/zalavin/bulls_and_cows:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 5c66cb8a92a8553abafd42cfb7f49105fbabc27983a2dc8d4ba8b2808a57870b [INFO] running `"docker" "start" "-a" "5c66cb8a92a8553abafd42cfb7f49105fbabc27983a2dc8d4ba8b2808a57870b"` [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Checking rand v0.4.3 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking bulls_and_cows v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.78s [INFO] running `"docker" "inspect" "5c66cb8a92a8553abafd42cfb7f49105fbabc27983a2dc8d4ba8b2808a57870b"` [INFO] running `"docker" "rm" "-f" "5c66cb8a92a8553abafd42cfb7f49105fbabc27983a2dc8d4ba8b2808a57870b"` [INFO] [stdout] 5c66cb8a92a8553abafd42cfb7f49105fbabc27983a2dc8d4ba8b2808a57870b