[INFO] updating cached repository chrisccerami/rust-connect-four [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/chrisccerami/rust-connect-four [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/chrisccerami/rust-connect-four" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/chrisccerami/rust-connect-four"` [INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/chrisccerami/rust-connect-four'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/chrisccerami/rust-connect-four" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/chrisccerami/rust-connect-four"` [INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/chrisccerami/rust-connect-four'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 01832d31f30819448083c490125f969425954261 [INFO] sha for GitHub repo chrisccerami/rust-connect-four: 01832d31f30819448083c490125f969425954261 [INFO] validating manifest of chrisccerami/rust-connect-four on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of chrisccerami/rust-connect-four on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing chrisccerami/rust-connect-four [INFO] finished frobbing chrisccerami/rust-connect-four [INFO] frobbed toml for chrisccerami/rust-connect-four written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/chrisccerami/rust-connect-four/Cargo.toml [INFO] started frobbing chrisccerami/rust-connect-four [INFO] finished frobbing chrisccerami/rust-connect-four [INFO] frobbed toml for chrisccerami/rust-connect-four written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/chrisccerami/rust-connect-four/Cargo.toml [INFO] crate chrisccerami/rust-connect-four has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking chrisccerami/rust-connect-four against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-6/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/chrisccerami/rust-connect-four:/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" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 2020adb604c74eb6dbc1cd27824b22a8a59fd5a464526ca5f7cec9442d2463e3 [INFO] running `"docker" "start" "-a" "2020adb604c74eb6dbc1cd27824b22a8a59fd5a464526ca5f7cec9442d2463e3"` [INFO] [stderr] Checking connect-four v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.31s [INFO] running `"docker" "inspect" "2020adb604c74eb6dbc1cd27824b22a8a59fd5a464526ca5f7cec9442d2463e3"` [INFO] running `"docker" "rm" "-f" "2020adb604c74eb6dbc1cd27824b22a8a59fd5a464526ca5f7cec9442d2463e3"` [INFO] [stdout] 2020adb604c74eb6dbc1cd27824b22a8a59fd5a464526ca5f7cec9442d2463e3