[INFO] updating cached repository Swarthon/TicTacToe
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Swarthon/TicTacToe
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Swarthon/TicTacToe" "work/ex/beta-1.38-1/sources/1.37.0/gh/Swarthon/TicTacToe"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Swarthon/TicTacToe'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Swarthon/TicTacToe" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Swarthon/TicTacToe"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Swarthon/TicTacToe'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fbd308eb04ffa4ff38361cba3b519390f375d505
[INFO] sha for GitHub repo Swarthon/TicTacToe: fbd308eb04ffa4ff38361cba3b519390f375d505
[INFO] validating manifest of Swarthon/TicTacToe 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 Swarthon/TicTacToe 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 Swarthon/TicTacToe
[INFO] finished frobbing Swarthon/TicTacToe
[INFO] frobbed toml for Swarthon/TicTacToe written to work/ex/beta-1.38-1/sources/1.37.0/gh/Swarthon/TicTacToe/Cargo.toml
[INFO] started frobbing Swarthon/TicTacToe
[INFO] finished frobbing Swarthon/TicTacToe
[INFO] frobbed toml for Swarthon/TicTacToe written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Swarthon/TicTacToe/Cargo.toml
[INFO] crate Swarthon/TicTacToe 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Swarthon/TicTacToe/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 Swarthon/TicTacToe 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/Swarthon/TicTacToe:/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] 3ca67e85b8a915f8ec56f775be173719164fc6f79a3aae76e09cddb59a4213a5
[INFO] running `"docker" "start" "-a" "3ca67e85b8a915f8ec56f775be173719164fc6f79a3aae76e09cddb59a4213a5"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling petgraph v0.2.10
[INFO] [stderr]    Compiling pistoncore-input v0.16.0
[INFO] [stderr]    Compiling piston2d-graphics v0.20.1
[INFO] [stderr]    Compiling piston2d-graphics v0.21.1
[INFO] [stderr]    Compiling gl_generator v0.6.1
[INFO] [stderr]    Compiling gfx_core v0.6.1
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling memmap v0.4.0
[INFO] [stderr]    Compiling glutin v0.7.4
[INFO] [stderr]    Compiling glium v0.16.0
[INFO] [stderr]    Compiling png v0.6.2
[INFO] [stderr]    Compiling daggy v0.4.1
[INFO] [stderr]    Compiling wayland-sys v0.7.8
[INFO] [stderr]    Compiling pistoncore-window v0.25.0
[INFO] [stderr]    Compiling gl v0.6.5
[INFO] [stderr]    Compiling pistoncore-event_loop v0.28.0
[INFO] [stderr]    Compiling image v0.12.4
[INFO] [stderr]    Compiling wayland-client v0.7.8
[INFO] [stderr]    Compiling wayland-window v0.4.4
[INFO] [stderr]    Compiling wayland-kbd v0.6.3
[INFO] [stderr]    Compiling winit v0.5.11
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.35.1
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.34.1
[INFO] [stderr]    Compiling gfx v0.14.1
[INFO] [stderr]    Compiling gfx_device_gl v0.13.1
[INFO] [stderr]    Compiling piston-gfx_texture v0.21.1
[INFO] [stderr]    Compiling piston-gfx_texture v0.22.1
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.36.0
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.38.0
[INFO] [stderr]    Compiling piston_window v0.64.0
[INFO] [stderr]    Compiling conrod v0.49.0
[INFO] [stderr]    Compiling tic_tac_toe v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `q`
[INFO] [stderr]    --> src/ai.rs:132:6
[INFO] [stderr]     |
[INFO] [stderr] 132 |     for q in 0..9 {
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_q`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `windows`
[INFO] [stderr]  --> src/graphics/main_menu.rs:7:16
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn update(    windows : &conrod::backend::piston::Window,
[INFO] [stderr]   |                   ^^^^^^^ help: consider prefixing with an underscore: `_windows`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 19s
[INFO] running `"docker" "inspect" "3ca67e85b8a915f8ec56f775be173719164fc6f79a3aae76e09cddb59a4213a5"`
[INFO] running `"docker" "rm" "-f" "3ca67e85b8a915f8ec56f775be173719164fc6f79a3aae76e09cddb59a4213a5"`
[INFO] [stdout] 3ca67e85b8a915f8ec56f775be173719164fc6f79a3aae76e09cddb59a4213a5
[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/Swarthon/TicTacToe:/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] f7f7b062a1c6c61acacb7a54429bae5e302fdab309c397a6726d3665ead53c68
[INFO] running `"docker" "start" "-a" "f7f7b062a1c6c61acacb7a54429bae5e302fdab309c397a6726d3665ead53c68"`
[INFO] [stderr]    Compiling tic_tac_toe v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `q`
[INFO] [stderr]    --> src/ai.rs:132:6
[INFO] [stderr]     |
[INFO] [stderr] 132 |     for q in 0..9 {
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_q`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `windows`
[INFO] [stderr]  --> src/graphics/main_menu.rs:7:16
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn update(    windows : &conrod::backend::piston::Window,
[INFO] [stderr]   |                   ^^^^^^^ help: consider prefixing with an underscore: `_windows`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `"docker" "inspect" "f7f7b062a1c6c61acacb7a54429bae5e302fdab309c397a6726d3665ead53c68"`
[INFO] running `"docker" "rm" "-f" "f7f7b062a1c6c61acacb7a54429bae5e302fdab309c397a6726d3665ead53c68"`
[INFO] [stdout] f7f7b062a1c6c61acacb7a54429bae5e302fdab309c397a6726d3665ead53c68
[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/Swarthon/TicTacToe:/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] eb135fd2af32d685d287885b4f3a275e598164a03a578ef0f7e9042da95402a9
[INFO] running `"docker" "start" "-a" "eb135fd2af32d685d287885b4f3a275e598164a03a578ef0f7e9042da95402a9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[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] [stderr]      Running /opt/crater/target/debug/deps/tic_tac_toe-93f1c210f8c7a01a
[INFO] running `"docker" "inspect" "eb135fd2af32d685d287885b4f3a275e598164a03a578ef0f7e9042da95402a9"`
[INFO] running `"docker" "rm" "-f" "eb135fd2af32d685d287885b4f3a275e598164a03a578ef0f7e9042da95402a9"`
[INFO] [stdout] eb135fd2af32d685d287885b4f3a275e598164a03a578ef0f7e9042da95402a9