[INFO] updating cached repository djcsdy/wgpu-playground
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/djcsdy/wgpu-playground
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/djcsdy/wgpu-playground" "work/ex/beta-1.38-1/sources/1.37.0/gh/djcsdy/wgpu-playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/djcsdy/wgpu-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/djcsdy/wgpu-playground" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/djcsdy/wgpu-playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/djcsdy/wgpu-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3f488f8a388c26063320f78440b0302d6faf4ae0
[INFO] sha for GitHub repo djcsdy/wgpu-playground: 3f488f8a388c26063320f78440b0302d6faf4ae0
[INFO] validating manifest of djcsdy/wgpu-playground 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 djcsdy/wgpu-playground 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 djcsdy/wgpu-playground
[INFO] finished frobbing djcsdy/wgpu-playground
[INFO] frobbed toml for djcsdy/wgpu-playground written to work/ex/beta-1.38-1/sources/1.37.0/gh/djcsdy/wgpu-playground/Cargo.toml
[INFO] started frobbing djcsdy/wgpu-playground
[INFO] finished frobbing djcsdy/wgpu-playground
[INFO] frobbed toml for djcsdy/wgpu-playground written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/djcsdy/wgpu-playground/Cargo.toml
[INFO] crate djcsdy/wgpu-playground 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing djcsdy/wgpu-playground 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/djcsdy/wgpu-playground:/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] 4c1b9c069ff5e4a8a460cf54b17033662280b594d696115828b7cc7e3d6cc58b
[INFO] running `"docker" "start" "-a" "4c1b9c069ff5e4a8a460cf54b17033662280b594d696115828b7cc7e3d6cc58b"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling wgpu-playground v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "4c1b9c069ff5e4a8a460cf54b17033662280b594d696115828b7cc7e3d6cc58b"`
[INFO] running `"docker" "rm" "-f" "4c1b9c069ff5e4a8a460cf54b17033662280b594d696115828b7cc7e3d6cc58b"`
[INFO] [stdout] 4c1b9c069ff5e4a8a460cf54b17033662280b594d696115828b7cc7e3d6cc58b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/djcsdy/wgpu-playground:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3de3e77ac83d9db39deffabf63c2fb9e05013e7ded40af172ff09daffdaab1c0
[INFO] running `"docker" "start" "-a" "3de3e77ac83d9db39deffabf63c2fb9e05013e7ded40af172ff09daffdaab1c0"`
[INFO] [stderr]    Compiling wgpu-playground v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "3de3e77ac83d9db39deffabf63c2fb9e05013e7ded40af172ff09daffdaab1c0"`
[INFO] running `"docker" "rm" "-f" "3de3e77ac83d9db39deffabf63c2fb9e05013e7ded40af172ff09daffdaab1c0"`
[INFO] [stdout] 3de3e77ac83d9db39deffabf63c2fb9e05013e7ded40af172ff09daffdaab1c0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/djcsdy/wgpu-playground:/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" "test" "--frozen"`
[INFO] [stdout] eb9e93597e4e51f733d780ba78592f88d367eab135065233b0fef94a89b56fa1
[INFO] running `"docker" "start" "-a" "eb9e93597e4e51f733d780ba78592f88d367eab135065233b0fef94a89b56fa1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wgpu_playground-cd3977cacfd5f03f
[INFO] running `"docker" "inspect" "eb9e93597e4e51f733d780ba78592f88d367eab135065233b0fef94a89b56fa1"`
[INFO] running `"docker" "rm" "-f" "eb9e93597e4e51f733d780ba78592f88d367eab135065233b0fef94a89b56fa1"`
[INFO] [stdout] eb9e93597e4e51f733d780ba78592f88d367eab135065233b0fef94a89b56fa1