[INFO] crate piston 0.49.0 is already in cache
[INFO] extracting crate piston 0.49.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/piston/0.49.0
[INFO] extracting crate piston 0.49.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/piston/0.49.0
[INFO] validating manifest of piston-0.49.0 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 piston-0.49.0 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 piston-0.49.0
[INFO] finished frobbing piston-0.49.0
[INFO] frobbed toml for piston-0.49.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/piston/0.49.0/Cargo.toml
[INFO] started frobbing piston-0.49.0
[INFO] finished frobbing piston-0.49.0
[INFO] frobbed toml for piston-0.49.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/piston/0.49.0/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 piston-0.49.0 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/piston/0.49.0:/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] 1e7be2dab85e30f1a9b469bdc4e95a57e2e49437ac5410e3e0931aaf9308f0ff
[INFO] running `"docker" "start" "-a" "1e7be2dab85e30f1a9b469bdc4e95a57e2e49437ac5410e3e0931aaf9308f0ff"`
[INFO] [stderr]    Compiling pistoncore-input v0.28.0
[INFO] [stderr]    Compiling pistoncore-window v0.44.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.49.0
[INFO] [stderr]    Compiling piston v0.49.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.26s
[INFO] running `"docker" "inspect" "1e7be2dab85e30f1a9b469bdc4e95a57e2e49437ac5410e3e0931aaf9308f0ff"`
[INFO] running `"docker" "rm" "-f" "1e7be2dab85e30f1a9b469bdc4e95a57e2e49437ac5410e3e0931aaf9308f0ff"`
[INFO] [stdout] 1e7be2dab85e30f1a9b469bdc4e95a57e2e49437ac5410e3e0931aaf9308f0ff
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/piston/0.49.0:/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] ec9ed6d7be65527141fdb81f5239f5e5aee56f36a909ff8dc95a9d328709b2d5
[INFO] running `"docker" "start" "-a" "ec9ed6d7be65527141fdb81f5239f5e5aee56f36a909ff8dc95a9d328709b2d5"`
[INFO] [stderr]    Compiling piston v0.49.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "ec9ed6d7be65527141fdb81f5239f5e5aee56f36a909ff8dc95a9d328709b2d5"`
[INFO] running `"docker" "rm" "-f" "ec9ed6d7be65527141fdb81f5239f5e5aee56f36a909ff8dc95a9d328709b2d5"`
[INFO] [stdout] ec9ed6d7be65527141fdb81f5239f5e5aee56f36a909ff8dc95a9d328709b2d5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/piston/0.49.0:/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] 1cf9ac5d9ae872bce91910b35180647ccab97169d3b42ed76745291b89a5c99f
[INFO] running `"docker" "start" "-a" "1cf9ac5d9ae872bce91910b35180647ccab97169d3b42ed76745291b89a5c99f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/piston-b0b014101f7809a1
[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]    Doc-tests piston
[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] running `"docker" "inspect" "1cf9ac5d9ae872bce91910b35180647ccab97169d3b42ed76745291b89a5c99f"`
[INFO] running `"docker" "rm" "-f" "1cf9ac5d9ae872bce91910b35180647ccab97169d3b42ed76745291b89a5c99f"`
[INFO] [stdout] 1cf9ac5d9ae872bce91910b35180647ccab97169d3b42ed76745291b89a5c99f