[INFO] updating cached repository tedajax/rust-circles
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tedajax/rust-circles
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tedajax/rust-circles" "work/ex/beta-1.38-1/sources/1.37.0/gh/tedajax/rust-circles"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tedajax/rust-circles'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tedajax/rust-circles" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tedajax/rust-circles"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tedajax/rust-circles'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ee268f15f356572a44a6303843c20fe6dde26880
[INFO] sha for GitHub repo tedajax/rust-circles: ee268f15f356572a44a6303843c20fe6dde26880
[INFO] validating manifest of tedajax/rust-circles 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 tedajax/rust-circles 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 tedajax/rust-circles
[INFO] finished frobbing tedajax/rust-circles
[INFO] frobbed toml for tedajax/rust-circles written to work/ex/beta-1.38-1/sources/1.37.0/gh/tedajax/rust-circles/Cargo.toml
[INFO] started frobbing tedajax/rust-circles
[INFO] finished frobbing tedajax/rust-circles
[INFO] frobbed toml for tedajax/rust-circles written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tedajax/rust-circles/Cargo.toml
[INFO] crate tedajax/rust-circles 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] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tedajax/rust-circles/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[INFO] the lockfile is outdated, regenerating it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] [stderr]     Updating git repository `https://github.com/AngryLawyer/rust-sdl2`
[INFO] [stderr]     Updating git repository `https://github.com/andelf/rust-sdl2_gfx.git`
[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] [stderr]     Updating git repository `https://github.com/AngryLawyer/rust-sdl2`
[INFO] [stderr]     Updating git repository `https://github.com/andelf/rust-sdl2_gfx.git`
[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 tedajax/rust-circles against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tedajax/rust-circles:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] bf96c90bb00a74de8c968b09d99fd786b22d8518b9ed9f237f382efd5361d0e5
[INFO] running `"docker" "start" "-a" "bf96c90bb00a74de8c968b09d99fd786b22d8518b9ed9f237f382efd5361d0e5"`
[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 (https://github.com/AngryLawyer/rust-sdl2#120d5443)`
[INFO] [stderr]     ... which is depended on by `sdl2 v0.32.2 (https://github.com/AngryLawyer/rust-sdl2#120d5443)`
[INFO] [stderr]     ... which is depended on by `circles v0.0.1 (/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 (https://github.com/andelf/rust-sdl2_gfx.git#166623e2)`
[INFO] [stderr]     ... which is depended on by `circles v0.0.1 (/opt/crater/workdir)`
[INFO] [stderr] also links to native library `SDL2`
[INFO] running `"docker" "inspect" "bf96c90bb00a74de8c968b09d99fd786b22d8518b9ed9f237f382efd5361d0e5"`
[INFO] running `"docker" "rm" "-f" "bf96c90bb00a74de8c968b09d99fd786b22d8518b9ed9f237f382efd5361d0e5"`
[INFO] [stdout] bf96c90bb00a74de8c968b09d99fd786b22d8518b9ed9f237f382efd5361d0e5