[INFO] updating cached repository jadencarver/rahn-dom-sdl-toy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jadencarver/rahn-dom-sdl-toy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jadencarver/rahn-dom-sdl-toy" "work/ex/beta-1.38-1/sources/1.37.0/gh/jadencarver/rahn-dom-sdl-toy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jadencarver/rahn-dom-sdl-toy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jadencarver/rahn-dom-sdl-toy" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jadencarver/rahn-dom-sdl-toy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jadencarver/rahn-dom-sdl-toy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 00198cf48b5987fe82a438168c3df6a9a8b4c4db
[INFO] sha for GitHub repo jadencarver/rahn-dom-sdl-toy: 00198cf48b5987fe82a438168c3df6a9a8b4c4db
[INFO] validating manifest of jadencarver/rahn-dom-sdl-toy 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 jadencarver/rahn-dom-sdl-toy 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 jadencarver/rahn-dom-sdl-toy
[INFO] finished frobbing jadencarver/rahn-dom-sdl-toy
[INFO] frobbed toml for jadencarver/rahn-dom-sdl-toy written to work/ex/beta-1.38-1/sources/1.37.0/gh/jadencarver/rahn-dom-sdl-toy/Cargo.toml
[INFO] started frobbing jadencarver/rahn-dom-sdl-toy
[INFO] finished frobbing jadencarver/rahn-dom-sdl-toy
[INFO] frobbed toml for jadencarver/rahn-dom-sdl-toy written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jadencarver/rahn-dom-sdl-toy/Cargo.toml
[INFO] crate jadencarver/rahn-dom-sdl-toy 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]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jadencarver/rahn-dom-sdl-toy/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[INFO] the lockfile is outdated, regenerating it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 jadencarver/rahn-dom-sdl-toy 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jadencarver/rahn-dom-sdl-toy:/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] b1f214b966f253c91946450447a90c39604284637b80f7ca59381dccb3e431dd
[INFO] running `"docker" "start" "-a" "b1f214b966f253c91946450447a90c39604284637b80f7ca59381dccb3e431dd"`
[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 v0.32.6`
[INFO] [stderr]     ... which is depended on by `sdl2 v0.32.2`
[INFO] [stderr]     ... which is depended on by `rah-dom-sdl v0.1.0 (/opt/crater/workdir)`
[INFO] [stderr] links to native library `SDL2`
[INFO] [stderr] 
[INFO] [stderr] package `sdl2-sys v0.25.0`
[INFO] [stderr]     ... which is depended on by `sdl2 v0.25.0`
[INFO] [stderr]     ... which is depended on by `sdl2_image v0.25.0`
[INFO] [stderr]     ... which is depended on by `rah-dom-sdl v0.1.0 (/opt/crater/workdir)`
[INFO] [stderr] also links to native library `SDL2`
[INFO] running `"docker" "inspect" "b1f214b966f253c91946450447a90c39604284637b80f7ca59381dccb3e431dd"`
[INFO] running `"docker" "rm" "-f" "b1f214b966f253c91946450447a90c39604284637b80f7ca59381dccb3e431dd"`
[INFO] [stdout] b1f214b966f253c91946450447a90c39604284637b80f7ca59381dccb3e431dd