[INFO] fetching crate game2048 0.0.5...
[INFO] checking game2048-0.0.5 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate game2048 0.0.5 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate game2048 0.0.5 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate game2048 0.0.5
[INFO] finished tweaking crates.io crate game2048 0.0.5
[INFO] tweaked toml for crates.io crate game2048 0.0.5 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bbe7f3eb059453e0028d3dccb3d5f8418027a55eb2887fbf7a6085f6586b93a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9bbe7f3eb059453e0028d3dccb3d5f8418027a55eb2887fbf7a6085f6586b93a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bbe7f3eb059453e0028d3dccb3d5f8418027a55eb2887fbf7a6085f6586b93a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bbe7f3eb059453e0028d3dccb3d5f8418027a55eb2887fbf7a6085f6586b93a", kill_on_drop: false }`
[INFO] [stdout] 9bbe7f3eb059453e0028d3dccb3d5f8418027a55eb2887fbf7a6085f6586b93a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f8a016e5e74d444f5a79d0520b63f932164e6f8e2e7aa55bc930747f9287858
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9f8a016e5e74d444f5a79d0520b63f932164e6f8e2e7aa55bc930747f9287858", kill_on_drop: false }`
[INFO] [stderr] error: multiple packages link to native library `SDL2`, but a native library can be linked only once
[INFO] [stderr] 
[INFO] [stderr] package `sdl2-sys v0.6.2`
[INFO] [stderr]     ... which is depended on by `sdl2 v0.9.1`
[INFO] [stderr]     ... which is depended on by `game2048 v0.0.5 (/opt/rustwide/workdir)`
[INFO] [stderr] links to native library `SDL2`
[INFO] [stderr] 
[INFO] [stderr] package `sdl2-sys v0.24.0`
[INFO] [stderr]     ... which is depended on by `sdl2 v0.24.0`
[INFO] [stderr]     ... which is depended on by `sdl2_gfx v0.24.0`
[INFO] [stderr]     ... which is depended on by `game2048 v0.0.5 (/opt/rustwide/workdir)`
[INFO] [stderr] also links to native library `SDL2`
[INFO] running `Command { std: "docker" "inspect" "9f8a016e5e74d444f5a79d0520b63f932164e6f8e2e7aa55bc930747f9287858", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f8a016e5e74d444f5a79d0520b63f932164e6f8e2e7aa55bc930747f9287858", kill_on_drop: false }`
[INFO] [stdout] 9f8a016e5e74d444f5a79d0520b63f932164e6f8e2e7aa55bc930747f9287858