[INFO] updating cached repository rgeraldporter/guessing-game-tutorial-wasm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rgeraldporter/guessing-game-tutorial-wasm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rgeraldporter/guessing-game-tutorial-wasm" "work/ex/beta-1.38-1/sources/1.37.0/gh/rgeraldporter/guessing-game-tutorial-wasm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/rgeraldporter/guessing-game-tutorial-wasm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rgeraldporter/guessing-game-tutorial-wasm" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rgeraldporter/guessing-game-tutorial-wasm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rgeraldporter/guessing-game-tutorial-wasm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8996fc5ae320f2284bf0a4f05e1dd4f766d4a888
[INFO] sha for GitHub repo rgeraldporter/guessing-game-tutorial-wasm: 8996fc5ae320f2284bf0a4f05e1dd4f766d4a888
[INFO] validating manifest of rgeraldporter/guessing-game-tutorial-wasm 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 rgeraldporter/guessing-game-tutorial-wasm 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 rgeraldporter/guessing-game-tutorial-wasm
[INFO] finished frobbing rgeraldporter/guessing-game-tutorial-wasm
[INFO] frobbed toml for rgeraldporter/guessing-game-tutorial-wasm written to work/ex/beta-1.38-1/sources/1.37.0/gh/rgeraldporter/guessing-game-tutorial-wasm/Cargo.toml
[INFO] started frobbing rgeraldporter/guessing-game-tutorial-wasm
[INFO] finished frobbing rgeraldporter/guessing-game-tutorial-wasm
[INFO] frobbed toml for rgeraldporter/guessing-game-tutorial-wasm written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rgeraldporter/guessing-game-tutorial-wasm/Cargo.toml
[INFO] crate rgeraldporter/guessing-game-tutorial-wasm 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 rgeraldporter/guessing-game-tutorial-wasm 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/rgeraldporter/guessing-game-tutorial-wasm:/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] 53b6e2b6c8a2db579ff2a5d7bb4c9c9fc7898112b3722478ab1fcdd227b2af51
[INFO] running `"docker" "start" "-a" "53b6e2b6c8a2db579ff2a5d7bb4c9c9fc7898112b3722478ab1fcdd227b2af51"`
[INFO] [stderr]    Compiling libc v0.2.31
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling wasm-demo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.89s
[INFO] running `"docker" "inspect" "53b6e2b6c8a2db579ff2a5d7bb4c9c9fc7898112b3722478ab1fcdd227b2af51"`
[INFO] running `"docker" "rm" "-f" "53b6e2b6c8a2db579ff2a5d7bb4c9c9fc7898112b3722478ab1fcdd227b2af51"`
[INFO] [stdout] 53b6e2b6c8a2db579ff2a5d7bb4c9c9fc7898112b3722478ab1fcdd227b2af51
[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/rgeraldporter/guessing-game-tutorial-wasm:/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] fe2e5bb4dd71abbf2e351c3767870b0abfedfee01fd0b814fdcf68d8ed764f53
[INFO] running `"docker" "start" "-a" "fe2e5bb4dd71abbf2e351c3767870b0abfedfee01fd0b814fdcf68d8ed764f53"`
[INFO] [stderr]    Compiling wasm-demo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "fe2e5bb4dd71abbf2e351c3767870b0abfedfee01fd0b814fdcf68d8ed764f53"`
[INFO] running `"docker" "rm" "-f" "fe2e5bb4dd71abbf2e351c3767870b0abfedfee01fd0b814fdcf68d8ed764f53"`
[INFO] [stdout] fe2e5bb4dd71abbf2e351c3767870b0abfedfee01fd0b814fdcf68d8ed764f53
[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/rgeraldporter/guessing-game-tutorial-wasm:/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] da3b7f7953ce229ba92760c18f0ff3ad0a1ffc16c5e26cee278f20af2fe0279f
[INFO] running `"docker" "start" "-a" "da3b7f7953ce229ba92760c18f0ff3ad0a1ffc16c5e26cee278f20af2fe0279f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[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/wasm_demo-921116f2253e3c7e
[INFO] running `"docker" "inspect" "da3b7f7953ce229ba92760c18f0ff3ad0a1ffc16c5e26cee278f20af2fe0279f"`
[INFO] running `"docker" "rm" "-f" "da3b7f7953ce229ba92760c18f0ff3ad0a1ffc16c5e26cee278f20af2fe0279f"`
[INFO] [stdout] da3b7f7953ce229ba92760c18f0ff3ad0a1ffc16c5e26cee278f20af2fe0279f