[INFO] updating cached repository davidyell/Learning-RustWithCargo
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/davidyell/Learning-RustWithCargo
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/davidyell/Learning-RustWithCargo" "work/ex/beta-1.38-1/sources/1.37.0/gh/davidyell/Learning-RustWithCargo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/davidyell/Learning-RustWithCargo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/davidyell/Learning-RustWithCargo" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/davidyell/Learning-RustWithCargo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/davidyell/Learning-RustWithCargo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ca0b0601d5fdb9860968711fee7915404efd43ca
[INFO] sha for GitHub repo davidyell/Learning-RustWithCargo: ca0b0601d5fdb9860968711fee7915404efd43ca
[INFO] validating manifest of davidyell/Learning-RustWithCargo 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 davidyell/Learning-RustWithCargo 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 davidyell/Learning-RustWithCargo
[INFO] finished frobbing davidyell/Learning-RustWithCargo
[INFO] frobbed toml for davidyell/Learning-RustWithCargo written to work/ex/beta-1.38-1/sources/1.37.0/gh/davidyell/Learning-RustWithCargo/Cargo.toml
[INFO] started frobbing davidyell/Learning-RustWithCargo
[INFO] finished frobbing davidyell/Learning-RustWithCargo
[INFO] frobbed toml for davidyell/Learning-RustWithCargo written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/davidyell/Learning-RustWithCargo/Cargo.toml
[INFO] crate davidyell/Learning-RustWithCargo 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 davidyell/Learning-RustWithCargo 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-4/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/davidyell/Learning-RustWithCargo:/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] 364a3d3a46e908097941d5fe1d94eff0665ec6b93cd99536727b8b6448cfca3b
[INFO] running `"docker" "start" "-a" "364a3d3a46e908097941d5fe1d94eff0665ec6b93cd99536727b8b6448cfca3b"`
[INFO] [stderr]    Compiling rust_guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `"docker" "inspect" "364a3d3a46e908097941d5fe1d94eff0665ec6b93cd99536727b8b6448cfca3b"`
[INFO] running `"docker" "rm" "-f" "364a3d3a46e908097941d5fe1d94eff0665ec6b93cd99536727b8b6448cfca3b"`
[INFO] [stdout] 364a3d3a46e908097941d5fe1d94eff0665ec6b93cd99536727b8b6448cfca3b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/davidyell/Learning-RustWithCargo:/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] 6e8c6d80bed97ae4454a8f10843b1cc52d27446f57e1e08e58dbd5b20370f3f0
[INFO] running `"docker" "start" "-a" "6e8c6d80bed97ae4454a8f10843b1cc52d27446f57e1e08e58dbd5b20370f3f0"`
[INFO] [stderr]    Compiling rust_guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "6e8c6d80bed97ae4454a8f10843b1cc52d27446f57e1e08e58dbd5b20370f3f0"`
[INFO] running `"docker" "rm" "-f" "6e8c6d80bed97ae4454a8f10843b1cc52d27446f57e1e08e58dbd5b20370f3f0"`
[INFO] [stdout] 6e8c6d80bed97ae4454a8f10843b1cc52d27446f57e1e08e58dbd5b20370f3f0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/davidyell/Learning-RustWithCargo:/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] 85e0fb991483ef973783b2882917dea29776f0e87122b7a2997ba28add667f53
[INFO] running `"docker" "start" "-a" "85e0fb991483ef973783b2882917dea29776f0e87122b7a2997ba28add667f53"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_guessing_game-87c08097a9e464fc
[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" "85e0fb991483ef973783b2882917dea29776f0e87122b7a2997ba28add667f53"`
[INFO] running `"docker" "rm" "-f" "85e0fb991483ef973783b2882917dea29776f0e87122b7a2997ba28add667f53"`
[INFO] [stdout] 85e0fb991483ef973783b2882917dea29776f0e87122b7a2997ba28add667f53