[INFO] updating cached repository krahul84/ConnectFour
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/krahul84/ConnectFour
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/krahul84/ConnectFour" "work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/krahul84/ConnectFour"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/krahul84/ConnectFour'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/krahul84/ConnectFour" "work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/krahul84/ConnectFour"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/krahul84/ConnectFour'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a57491cf7632dd59f2c49bcdc98d7a991086d5b2
[INFO] sha for GitHub repo krahul84/ConnectFour: a57491cf7632dd59f2c49bcdc98d7a991086d5b2
[INFO] validating manifest of krahul84/ConnectFour on toolchain master#1891bfa80364eead426517c68de6947b7692e2de
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of krahul84/ConnectFour on toolchain try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing krahul84/ConnectFour
[INFO] finished frobbing krahul84/ConnectFour
[INFO] frobbed toml for krahul84/ConnectFour written to work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/krahul84/ConnectFour/Cargo.toml
[INFO] started frobbing krahul84/ConnectFour
[INFO] finished frobbing krahul84/ConnectFour
[INFO] frobbed toml for krahul84/ConnectFour written to work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/krahul84/ConnectFour/Cargo.toml
[INFO] crate krahul84/ConnectFour already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking krahul84/ConnectFour against try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a for pr-60261
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60261/worker-2/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/krahul84/ConnectFour:/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" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cd9c455e9548734e4ece7ae69427307d988a77f9686432808f9b533f88879908
[INFO] running `"docker" "start" "-a" "cd9c455e9548734e4ece7ae69427307d988a77f9686432808f9b533f88879908"`
[INFO] [stderr]     Checking ConnectFour v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `ConnectFour` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `connect_four`
[INFO] [stderr] 
[INFO] [stderr] warning: crate `ConnectFour` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `connect_four`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "cd9c455e9548734e4ece7ae69427307d988a77f9686432808f9b533f88879908"`
[INFO] running `"docker" "rm" "-f" "cd9c455e9548734e4ece7ae69427307d988a77f9686432808f9b533f88879908"`
[INFO] [stdout] cd9c455e9548734e4ece7ae69427307d988a77f9686432808f9b533f88879908