[INFO] cloning repository Swarthon/TicTacToe
[INFO] running `"git" "clone" "--bare" "git://github.com/Swarthon/TicTacToe.git" "work/cache/sources/gh/Swarthon/TicTacToe"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Swarthon/TicTacToe'...
[INFO] running `"git" "clone" "work/cache/sources/gh/Swarthon/TicTacToe" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Swarthon/TicTacToe"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Swarthon/TicTacToe'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Swarthon/TicTacToe" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Swarthon/TicTacToe"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/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 master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Swarthon/TicTacToe on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "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/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/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/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Swarthon/TicTacToe/Cargo.toml
[INFO] crate Swarthon/TicTacToe already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/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/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Swarthon/TicTacToe against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-6/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Swarthon/TicTacToe:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b0cb540c7aeafa9e9fe6799910d75328765961f31a5e2beea500eed1ba493491
[INFO] running `"docker" "start" "-a" "b0cb540c7aeafa9e9fe6799910d75328765961f31a5e2beea500eed1ba493491"`
[INFO] [stderr]     Checking pistoncore-input v0.16.0
[INFO] [stderr]     Checking piston2d-graphics v0.20.1
[INFO] [stderr]     Checking gfx_core v0.6.1
[INFO] [stderr]     Checking png v0.6.2
[INFO] [stderr]     Checking pistoncore-glutin_window v0.35.1
[INFO] [stderr]     Checking image v0.12.4
[INFO] [stderr]     Checking pistoncore-window v0.25.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.34.1
[INFO] [stderr]     Checking pistoncore-event_loop v0.28.0
[INFO] [stderr]     Checking gfx v0.14.1
[INFO] [stderr]     Checking gfx_device_gl v0.13.1
[INFO] [stderr]     Checking piston-gfx_texture v0.22.1
[INFO] [stderr]     Checking piston-gfx_texture v0.21.1
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.36.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.38.0
[INFO] [stderr]     Checking piston_window v0.64.0
[INFO] [stderr]     Checking conrod v0.49.0
[INFO] [stderr]     Checking 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] 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 42.05s
[INFO] running `"docker" "inspect" "b0cb540c7aeafa9e9fe6799910d75328765961f31a5e2beea500eed1ba493491"`
[INFO] running `"docker" "rm" "-f" "b0cb540c7aeafa9e9fe6799910d75328765961f31a5e2beea500eed1ba493491"`
[INFO] [stdout] b0cb540c7aeafa9e9fe6799910d75328765961f31a5e2beea500eed1ba493491