[INFO] updating cached repository Bluemi/tictactoe_rl
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Bluemi/tictactoe_rl
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Bluemi/tictactoe_rl" "work/ex/beta-1.38-1/sources/1.37.0/gh/Bluemi/tictactoe_rl"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Bluemi/tictactoe_rl'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Bluemi/tictactoe_rl" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Bluemi/tictactoe_rl"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Bluemi/tictactoe_rl'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0592735f8adfb1317235f47f1b743f3d5e582f91
[INFO] sha for GitHub repo Bluemi/tictactoe_rl: 0592735f8adfb1317235f47f1b743f3d5e582f91
[INFO] validating manifest of Bluemi/tictactoe_rl 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 Bluemi/tictactoe_rl 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 Bluemi/tictactoe_rl
[INFO] finished frobbing Bluemi/tictactoe_rl
[INFO] frobbed toml for Bluemi/tictactoe_rl written to work/ex/beta-1.38-1/sources/1.37.0/gh/Bluemi/tictactoe_rl/Cargo.toml
[INFO] started frobbing Bluemi/tictactoe_rl
[INFO] finished frobbing Bluemi/tictactoe_rl
[INFO] frobbed toml for Bluemi/tictactoe_rl written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Bluemi/tictactoe_rl/Cargo.toml
[INFO] crate Bluemi/tictactoe_rl 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 Bluemi/tictactoe_rl 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Bluemi/tictactoe_rl:/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] 0b76fc4ff5ac22090cb53de42e56ee350b2b29324018523d9a3cac00e07e5845
[INFO] running `"docker" "start" "-a" "0b76fc4ff5ac22090cb53de42e56ee350b2b29324018523d9a3cac00e07e5845"`
[INFO] [stderr]    Compiling tictactoe_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `debug`
[INFO] [stderr]   --> src/agent/tictactoe_agent.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn debug(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `"docker" "inspect" "0b76fc4ff5ac22090cb53de42e56ee350b2b29324018523d9a3cac00e07e5845"`
[INFO] running `"docker" "rm" "-f" "0b76fc4ff5ac22090cb53de42e56ee350b2b29324018523d9a3cac00e07e5845"`
[INFO] [stdout] 0b76fc4ff5ac22090cb53de42e56ee350b2b29324018523d9a3cac00e07e5845
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Bluemi/tictactoe_rl:/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] 74a937c71c8285e9e923482a43d41ac7e8acd086acd42a46585d076b1dfde932
[INFO] running `"docker" "start" "-a" "74a937c71c8285e9e923482a43d41ac7e8acd086acd42a46585d076b1dfde932"`
[INFO] [stderr]    Compiling tictactoe_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `debug`
[INFO] [stderr]   --> src/agent/tictactoe_agent.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn debug(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "74a937c71c8285e9e923482a43d41ac7e8acd086acd42a46585d076b1dfde932"`
[INFO] running `"docker" "rm" "-f" "74a937c71c8285e9e923482a43d41ac7e8acd086acd42a46585d076b1dfde932"`
[INFO] [stdout] 74a937c71c8285e9e923482a43d41ac7e8acd086acd42a46585d076b1dfde932
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Bluemi/tictactoe_rl:/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] 11dea95d81c2017e56af4a791404c75200f39b08981e6341537a10ae2bdae02b
[INFO] running `"docker" "start" "-a" "11dea95d81c2017e56af4a791404c75200f39b08981e6341537a10ae2bdae02b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tictactoe_rust-f5f3dfe634b8961a
[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" "11dea95d81c2017e56af4a791404c75200f39b08981e6341537a10ae2bdae02b"`
[INFO] running `"docker" "rm" "-f" "11dea95d81c2017e56af4a791404c75200f39b08981e6341537a10ae2bdae02b"`
[INFO] [stdout] 11dea95d81c2017e56af4a791404c75200f39b08981e6341537a10ae2bdae02b