[INFO] updating cached repository Pranz/rusted_pixels
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Pranz/rusted_pixels
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Pranz/rusted_pixels" "work/ex/beta-1.38-1/sources/1.37.0/gh/Pranz/rusted_pixels"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Pranz/rusted_pixels'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Pranz/rusted_pixels" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Pranz/rusted_pixels"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Pranz/rusted_pixels'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c70cee395fee5f78aab21e98b8c932dbc6d40ab5
[INFO] sha for GitHub repo Pranz/rusted_pixels: c70cee395fee5f78aab21e98b8c932dbc6d40ab5
[INFO] validating manifest of Pranz/rusted_pixels 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 Pranz/rusted_pixels 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 Pranz/rusted_pixels
[INFO] finished frobbing Pranz/rusted_pixels
[INFO] frobbed toml for Pranz/rusted_pixels written to work/ex/beta-1.38-1/sources/1.37.0/gh/Pranz/rusted_pixels/Cargo.toml
[INFO] started frobbing Pranz/rusted_pixels
[INFO] finished frobbing Pranz/rusted_pixels
[INFO] frobbed toml for Pranz/rusted_pixels written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Pranz/rusted_pixels/Cargo.toml
[INFO] crate Pranz/rusted_pixels 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/Pranz/rusted_pixels/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[INFO] the lockfile is outdated, regenerating it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/Lolirofle/image-png`
[INFO] [stderr]     Updating git repository `https://github.com/andelf/rust-sdl2_ttf`
[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/Lolirofle/image-png`
[INFO] [stderr]     Updating git repository `https://github.com/andelf/rust-sdl2_ttf`
[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 Pranz/rusted_pixels 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-5/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/Pranz/rusted_pixels:/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] d85dd0ee8ac225160bf52514913b0bcd0fae621229ae1698a080eda7931d04c2
[INFO] running `"docker" "start" "-a" "d85dd0ee8ac225160bf52514913b0bcd0fae621229ae1698a080eda7931d04c2"`
[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 `rusted_pixels v0.1.0 (/opt/crater/workdir)`
[INFO] [stderr] links to native library `SDL2`
[INFO] [stderr] 
[INFO] [stderr] package `sdl2-sys v0.22.0`
[INFO] [stderr]     ... which is depended on by `sdl2 v0.22.0`
[INFO] [stderr]     ... which is depended on by `sdl2_ttf v0.22.0 (https://github.com/andelf/rust-sdl2_ttf?rev=f0e6d813#f0e6d813)`
[INFO] [stderr]     ... which is depended on by `rusted_pixels v0.1.0 (/opt/crater/workdir)`
[INFO] [stderr] also links to native library `SDL2`
[INFO] running `"docker" "inspect" "d85dd0ee8ac225160bf52514913b0bcd0fae621229ae1698a080eda7931d04c2"`
[INFO] running `"docker" "rm" "-f" "d85dd0ee8ac225160bf52514913b0bcd0fae621229ae1698a080eda7931d04c2"`
[INFO] [stdout] d85dd0ee8ac225160bf52514913b0bcd0fae621229ae1698a080eda7931d04c2