[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-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/krahul84/ConnectFour"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/krahul84/ConnectFour'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/krahul84/ConnectFour" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/krahul84/ConnectFour"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of krahul84/ConnectFour on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-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-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/krahul84/ConnectFour/Cargo.toml
[INFO] crate krahul84/ConnectFour has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing krahul84/ConnectFour against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] e4ac4c3e09c8eb7cfe6b1f431cc38f697c5c272611059244cf6b75e3069aba44
[INFO] running `"docker" "start" "-a" "e4ac4c3e09c8eb7cfe6b1f431cc38f697c5c272611059244cf6b75e3069aba44"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `"docker" "inspect" "e4ac4c3e09c8eb7cfe6b1f431cc38f697c5c272611059244cf6b75e3069aba44"`
[INFO] running `"docker" "rm" "-f" "e4ac4c3e09c8eb7cfe6b1f431cc38f697c5c272611059244cf6b75e3069aba44"`
[INFO] [stdout] e4ac4c3e09c8eb7cfe6b1f431cc38f697c5c272611059244cf6b75e3069aba44
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] e464991a7954fc10fa61fed7ce79bf86ba5de0a1d9a86f67f8fbe6069b23224c
[INFO] running `"docker" "start" "-a" "e464991a7954fc10fa61fed7ce79bf86ba5de0a1d9a86f67f8fbe6069b23224c"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "e464991a7954fc10fa61fed7ce79bf86ba5de0a1d9a86f67f8fbe6069b23224c"`
[INFO] running `"docker" "rm" "-f" "e464991a7954fc10fa61fed7ce79bf86ba5de0a1d9a86f67f8fbe6069b23224c"`
[INFO] [stdout] e464991a7954fc10fa61fed7ce79bf86ba5de0a1d9a86f67f8fbe6069b23224c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 22d01d4b748d16dd5af6a11ebe17bf05175f4fef787375c45bf1a6c89aefb9f2
[INFO] running `"docker" "start" "-a" "22d01d4b748d16dd5af6a11ebe17bf05175f4fef787375c45bf1a6c89aefb9f2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ConnectFour-9de0fe6ed7a876fa
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "22d01d4b748d16dd5af6a11ebe17bf05175f4fef787375c45bf1a6c89aefb9f2"`
[INFO] running `"docker" "rm" "-f" "22d01d4b748d16dd5af6a11ebe17bf05175f4fef787375c45bf1a6c89aefb9f2"`
[INFO] [stdout] 22d01d4b748d16dd5af6a11ebe17bf05175f4fef787375c45bf1a6c89aefb9f2