[INFO] updating cached repository https://github.com/dunnker/tetris-piston
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 81062a6bec294a788e43b0fe8d18ea7da47af27f
[INFO] checking dunnker/tetris-piston against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdunnker%2Ftetris-piston" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dunnker/tetris-piston on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/dunnker/tetris-piston
[INFO] finished tweaking git repo https://github.com/dunnker/tetris-piston
[INFO] tweaked toml for git repo https://github.com/dunnker/tetris-piston written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/dunnker/tetris-piston already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ecdb69d7cba097ea0fcbf5040a198a996543fdc4c8ee894b747e265b3f203a09
[INFO] running `"docker" "start" "-a" "ecdb69d7cba097ea0fcbf5040a198a996543fdc4c8ee894b747e265b3f203a09"`
[INFO] [stderr]    Compiling dtoa v0.4.4
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]     Checking piston-float v0.2.0
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking inflate v0.1.1
[INFO] [stderr]     Checking lzw v0.9.0
[INFO] [stderr]     Checking piston-texture v0.3.0
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.1.0
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking draw_state v0.2.0
[INFO] [stderr]    Compiling freetype-sys v0.3.1
[INFO] [stderr]    Compiling xml-rs v0.2.2
[INFO] [stderr]     Checking piston-viewport v0.2.0
[INFO] [stderr]     Checking vecmath v0.2.0
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling wayland-scanner v0.5.11
[INFO] [stderr]     Checking gif v0.7.0
[INFO] [stderr]     Checking pistoncore-input v0.8.1
[INFO] [stderr]     Checking dylib v0.0.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking osmesa-sys v0.0.5
[INFO] [stderr]     Checking piston2d-graphics v0.13.1
[INFO] [stderr]     Checking x11-dl v2.3.1
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]     Checking memmap v0.2.3
[INFO] [stderr]    Compiling gl_generator v0.4.2
[INFO] [stderr]    Compiling wayland-client v0.5.12
[INFO] [stderr]     Checking freetype-rs v0.5.0
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]     Checking pistoncore-window v0.14.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.17.0
[INFO] [stderr]     Checking png v0.4.3
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]     Checking piston v0.17.0
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]     Checking image v0.6.1
[INFO] [stderr]    Compiling gl v0.5.2
[INFO] [stderr]    Compiling glutin v0.4.9
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.23.0
[INFO] [stderr]     Checking wayland-sys v0.5.11
[INFO] [stderr]     Checking wayland-window v0.2.3
[INFO] [stderr]     Checking wayland-kbd v0.3.6
[INFO] [stderr]     Checking pistoncore-glutin_window v0.20.0
[INFO] [stderr]     Checking tetris-piston v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `AdvancedWindow`
[INFO] [stderr]  --> src/main.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 | use piston::window::{ AdvancedWindow, WindowSettings };
[INFO] [stderr]   |                       ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `AdvancedWindow`
[INFO] [stderr]  --> src/main.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 | use piston::window::{ AdvancedWindow, WindowSettings };
[INFO] [stderr]   |                       ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.56s
[INFO] running `"docker" "inspect" "ecdb69d7cba097ea0fcbf5040a198a996543fdc4c8ee894b747e265b3f203a09"`
[INFO] running `"docker" "rm" "-f" "ecdb69d7cba097ea0fcbf5040a198a996543fdc4c8ee894b747e265b3f203a09"`
[INFO] [stdout] ecdb69d7cba097ea0fcbf5040a198a996543fdc4c8ee894b747e265b3f203a09