[INFO] crate game2048 0.0.5 is already in cache
[INFO] extracting crate game2048 0.0.5 into work/ex/beta-1.38-1/sources/1.37.0/reg/game2048/0.0.5
[INFO] extracting crate game2048 0.0.5 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/game2048/0.0.5
[INFO] validating manifest of game2048-0.0.5 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 game2048-0.0.5 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 game2048-0.0.5
[INFO] finished frobbing game2048-0.0.5
[INFO] frobbed toml for game2048-0.0.5 written to work/ex/beta-1.38-1/sources/1.37.0/reg/game2048/0.0.5/Cargo.toml
[INFO] started frobbing game2048-0.0.5
[INFO] finished frobbing game2048-0.0.5
[INFO] frobbed toml for game2048-0.0.5 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/game2048/0.0.5/Cargo.toml
[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 game2048-0.0.5 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/reg/game2048/0.0.5:/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] 45a973555a7f9089356070a945e55a782fd3ec4a10b13e74be01c7a2ac7b8a41
[INFO] running `"docker" "start" "-a" "45a973555a7f9089356070a945e55a782fd3ec4a10b13e74be01c7a2ac7b8a41"`
[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/crater/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/crater/workdir)`
[INFO] [stderr] also links to native library `SDL2`
[INFO] running `"docker" "inspect" "45a973555a7f9089356070a945e55a782fd3ec4a10b13e74be01c7a2ac7b8a41"`
[INFO] running `"docker" "rm" "-f" "45a973555a7f9089356070a945e55a782fd3ec4a10b13e74be01c7a2ac7b8a41"`
[INFO] [stdout] 45a973555a7f9089356070a945e55a782fd3ec4a10b13e74be01c7a2ac7b8a41