[INFO] updating cached repository flit77/wasm-playground
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/flit77/wasm-playground
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/flit77/wasm-playground" "work/ex/beta-1.38-1/sources/1.37.0/gh/flit77/wasm-playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/flit77/wasm-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/flit77/wasm-playground" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/flit77/wasm-playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/flit77/wasm-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 765c7a4aca5b05d719b3dd7d73008576da951436
[INFO] sha for GitHub repo flit77/wasm-playground: 765c7a4aca5b05d719b3dd7d73008576da951436
[INFO] validating manifest of flit77/wasm-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 flit77/wasm-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 flit77/wasm-playground
[INFO] finished frobbing flit77/wasm-playground
[INFO] frobbed toml for flit77/wasm-playground written to work/ex/beta-1.38-1/sources/1.37.0/gh/flit77/wasm-playground/Cargo.toml
[INFO] started frobbing flit77/wasm-playground
[INFO] finished frobbing flit77/wasm-playground
[INFO] frobbed toml for flit77/wasm-playground written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/flit77/wasm-playground/Cargo.toml
[INFO] crate flit77/wasm-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 flit77/wasm-playground 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-2/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/flit77/wasm-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] e40d4128388bd5863a857b0ea9882a5ee5b213c2e4872209a7b7f590d0e33a81
[INFO] running `"docker" "start" "-a" "e40d4128388bd5863a857b0ea9882a5ee5b213c2e4872209a7b7f590d0e33a81"`
[INFO] [stderr]    Compiling tutorial v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "e40d4128388bd5863a857b0ea9882a5ee5b213c2e4872209a7b7f590d0e33a81"`
[INFO] running `"docker" "rm" "-f" "e40d4128388bd5863a857b0ea9882a5ee5b213c2e4872209a7b7f590d0e33a81"`
[INFO] [stdout] e40d4128388bd5863a857b0ea9882a5ee5b213c2e4872209a7b7f590d0e33a81
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/flit77/wasm-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] fbf58b3c3bc4a0bbf34f178842d3110709e495fdb523fdcbd79635df47a5b006
[INFO] running `"docker" "start" "-a" "fbf58b3c3bc4a0bbf34f178842d3110709e495fdb523fdcbd79635df47a5b006"`
[INFO] [stderr]    Compiling tutorial v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "fbf58b3c3bc4a0bbf34f178842d3110709e495fdb523fdcbd79635df47a5b006"`
[INFO] running `"docker" "rm" "-f" "fbf58b3c3bc4a0bbf34f178842d3110709e495fdb523fdcbd79635df47a5b006"`
[INFO] [stdout] fbf58b3c3bc4a0bbf34f178842d3110709e495fdb523fdcbd79635df47a5b006
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/flit77/wasm-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] c1ed40a6d8ced6dcd93a5472c6661d9e6fbd809178c720237e8a5fdf0bb97bf2
[INFO] running `"docker" "start" "-a" "c1ed40a6d8ced6dcd93a5472c6661d9e6fbd809178c720237e8a5fdf0bb97bf2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tutorial-e5dcecdc5c17db7c
[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" "c1ed40a6d8ced6dcd93a5472c6661d9e6fbd809178c720237e8a5fdf0bb97bf2"`
[INFO] running `"docker" "rm" "-f" "c1ed40a6d8ced6dcd93a5472c6661d9e6fbd809178c720237e8a5fdf0bb97bf2"`
[INFO] [stdout] c1ed40a6d8ced6dcd93a5472c6661d9e6fbd809178c720237e8a5fdf0bb97bf2