[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-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/zalavin/bulls_and_cows"` [INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/zalavin/bulls_and_cows'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/zalavin/bulls_and_cows" "work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/zalavin/bulls_and_cows"` [INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/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#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of zalavin/bulls_and_cows on toolchain try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-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-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/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-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/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" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking zalavin/bulls_and_cows against try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af for pr-61753 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61753/worker-2/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/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" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] de8f0b81779557ab51eaff6245c37c2ec3a7fafc7208d7c29f529046c50f6fe9 [INFO] running `"docker" "start" "-a" "de8f0b81779557ab51eaff6245c37c2ec3a7fafc7208d7c29f529046c50f6fe9"` [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 1.91s [INFO] running `"docker" "inspect" "de8f0b81779557ab51eaff6245c37c2ec3a7fafc7208d7c29f529046c50f6fe9"` [INFO] running `"docker" "rm" "-f" "de8f0b81779557ab51eaff6245c37c2ec3a7fafc7208d7c29f529046c50f6fe9"` [INFO] [stdout] de8f0b81779557ab51eaff6245c37c2ec3a7fafc7208d7c29f529046c50f6fe9