[INFO] updating cached repository mmgeorge/ConnectFour
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mmgeorge/ConnectFour
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mmgeorge/ConnectFour" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/mmgeorge/ConnectFour"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/mmgeorge/ConnectFour'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mmgeorge/ConnectFour" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/mmgeorge/ConnectFour"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/mmgeorge/ConnectFour'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] edee1618a34dedf6d3c43435125d2b02d8309e09
[INFO] sha for GitHub repo mmgeorge/ConnectFour: edee1618a34dedf6d3c43435125d2b02d8309e09
[INFO] validating manifest of mmgeorge/ConnectFour on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mmgeorge/ConnectFour on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mmgeorge/ConnectFour
[INFO] finished frobbing mmgeorge/ConnectFour
[INFO] frobbed toml for mmgeorge/ConnectFour written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/mmgeorge/ConnectFour/Cargo.toml
[INFO] started frobbing mmgeorge/ConnectFour
[INFO] finished frobbing mmgeorge/ConnectFour
[INFO] frobbed toml for mmgeorge/ConnectFour written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/mmgeorge/ConnectFour/Cargo.toml
[INFO] crate mmgeorge/ConnectFour already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mmgeorge/ConnectFour against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-6/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/mmgeorge/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] be373c8e2813b008b1e4336d538651f94124edd0a35d1892c1c90e84e2f6b56a
[INFO] running `"docker" "start" "-a" "be373c8e2813b008b1e4336d538651f94124edd0a35d1892c1c90e84e2f6b56a"`
[INFO] [stderr]     Checking connect_four v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `ConnectK`, `Player`
[INFO] [stderr]    --> src/game.rs:361:14
[INFO] [stderr]     |
[INFO] [stderr] 361 |     use super::{ConnectK,Player};
[INFO] [stderr]     |                 ^^^^^^^^ ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "be373c8e2813b008b1e4336d538651f94124edd0a35d1892c1c90e84e2f6b56a"`
[INFO] running `"docker" "rm" "-f" "be373c8e2813b008b1e4336d538651f94124edd0a35d1892c1c90e84e2f6b56a"`
[INFO] [stdout] be373c8e2813b008b1e4336d538651f94124edd0a35d1892c1c90e84e2f6b56a