[INFO] updating cached repository phillyai/tic-tac-toe-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/phillyai/tic-tac-toe-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/phillyai/tic-tac-toe-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/phillyai/tic-tac-toe-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/phillyai/tic-tac-toe-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/phillyai/tic-tac-toe-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/phillyai/tic-tac-toe-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/phillyai/tic-tac-toe-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 25d0d75e18794ac85a307ecad2e9f91d20b7f66c
[INFO] sha for GitHub repo phillyai/tic-tac-toe-rs: 25d0d75e18794ac85a307ecad2e9f91d20b7f66c
[INFO] validating manifest of phillyai/tic-tac-toe-rs on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of phillyai/tic-tac-toe-rs on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing phillyai/tic-tac-toe-rs
[INFO] finished frobbing phillyai/tic-tac-toe-rs
[INFO] frobbed toml for phillyai/tic-tac-toe-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/phillyai/tic-tac-toe-rs/Cargo.toml
[INFO] started frobbing phillyai/tic-tac-toe-rs
[INFO] finished frobbing phillyai/tic-tac-toe-rs
[INFO] frobbed toml for phillyai/tic-tac-toe-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/phillyai/tic-tac-toe-rs/Cargo.toml
[INFO] crate phillyai/tic-tac-toe-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing phillyai/tic-tac-toe-rs against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/phillyai/tic-tac-toe-rs:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] f608dac7011353ca2963f0dfd4d977c1de30328826e48c8e36581ab61ce38f46
[INFO] running `"docker" "start" "-a" "f608dac7011353ca2963f0dfd4d977c1de30328826e48c8e36581ab61ce38f46"`
[INFO] [stderr]    Compiling tic-tac-toe-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `match` head expression
[INFO] [stderr]   --> src/main.rs:32:38
[INFO] [stderr]    |
[INFO] [stderr] 32 |                     Some(w) => match (w) {
[INFO] [stderr]    |                                      ^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Direction`
[INFO] [stderr]    --> src/main.rs:137:1
[INFO] [stderr]     |
[INFO] [stderr] 137 | enum Direction {
[INFO] [stderr]     | ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "f608dac7011353ca2963f0dfd4d977c1de30328826e48c8e36581ab61ce38f46"`
[INFO] running `"docker" "rm" "-f" "f608dac7011353ca2963f0dfd4d977c1de30328826e48c8e36581ab61ce38f46"`
[INFO] [stdout] f608dac7011353ca2963f0dfd4d977c1de30328826e48c8e36581ab61ce38f46
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/phillyai/tic-tac-toe-rs:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 19184871b344b9ccacd8fa5e7f3257e4a52f015972a223fb75a5d38cab53a2f1
[INFO] running `"docker" "start" "-a" "19184871b344b9ccacd8fa5e7f3257e4a52f015972a223fb75a5d38cab53a2f1"`
[INFO] [stderr]    Compiling tic-tac-toe-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `match` head expression
[INFO] [stderr]   --> src/main.rs:32:38
[INFO] [stderr]    |
[INFO] [stderr] 32 |                     Some(w) => match (w) {
[INFO] [stderr]    |                                      ^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Direction`
[INFO] [stderr]    --> src/main.rs:137:1
[INFO] [stderr]     |
[INFO] [stderr] 137 | enum Direction {
[INFO] [stderr]     | ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "19184871b344b9ccacd8fa5e7f3257e4a52f015972a223fb75a5d38cab53a2f1"`
[INFO] running `"docker" "rm" "-f" "19184871b344b9ccacd8fa5e7f3257e4a52f015972a223fb75a5d38cab53a2f1"`
[INFO] [stdout] 19184871b344b9ccacd8fa5e7f3257e4a52f015972a223fb75a5d38cab53a2f1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/phillyai/tic-tac-toe-rs:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 3227136490d70f77f67ff37b76c1eeb37f5e886d617e2ccaef77b8e3cec03838
[INFO] running `"docker" "start" "-a" "3227136490d70f77f67ff37b76c1eeb37f5e886d617e2ccaef77b8e3cec03838"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tic_tac_toe_rs-a443e9110ef6a99d
[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" "3227136490d70f77f67ff37b76c1eeb37f5e886d617e2ccaef77b8e3cec03838"`
[INFO] running `"docker" "rm" "-f" "3227136490d70f77f67ff37b76c1eeb37f5e886d617e2ccaef77b8e3cec03838"`
[INFO] [stdout] 3227136490d70f77f67ff37b76c1eeb37f5e886d617e2ccaef77b8e3cec03838