[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 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] c0a5257ced704d9fa3eefeb60cc09bdb283c0a46ce9a34e833363e0519e6d642
[INFO] running `"docker" "start" "-a" "c0a5257ced704d9fa3eefeb60cc09bdb283c0a46ce9a34e833363e0519e6d642"`
[INFO] [stderr]    Compiling libc v0.2.24
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling rust_guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.10s
[INFO] running `"docker" "inspect" "c0a5257ced704d9fa3eefeb60cc09bdb283c0a46ce9a34e833363e0519e6d642"`
[INFO] running `"docker" "rm" "-f" "c0a5257ced704d9fa3eefeb60cc09bdb283c0a46ce9a34e833363e0519e6d642"`
[INFO] [stdout] c0a5257ced704d9fa3eefeb60cc09bdb283c0a46ce9a34e833363e0519e6d642
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 46890023c9d1d1964ee7d339687a17a7788f60bce47a17fe1657de8a61ead628
[INFO] running `"docker" "start" "-a" "46890023c9d1d1964ee7d339687a17a7788f60bce47a17fe1657de8a61ead628"`
[INFO] [stderr]    Compiling rust_guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "46890023c9d1d1964ee7d339687a17a7788f60bce47a17fe1657de8a61ead628"`
[INFO] running `"docker" "rm" "-f" "46890023c9d1d1964ee7d339687a17a7788f60bce47a17fe1657de8a61ead628"`
[INFO] [stdout] 46890023c9d1d1964ee7d339687a17a7788f60bce47a17fe1657de8a61ead628
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] b1f72dc1c8afc5f8ccce2e1f14511bf376a1ee8340070fd7039f0d22b2ad5eda
[INFO] running `"docker" "start" "-a" "b1f72dc1c8afc5f8ccce2e1f14511bf376a1ee8340070fd7039f0d22b2ad5eda"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_guessing_game-1e4d5cb7e45aa91e
[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" "b1f72dc1c8afc5f8ccce2e1f14511bf376a1ee8340070fd7039f0d22b2ad5eda"`
[INFO] running `"docker" "rm" "-f" "b1f72dc1c8afc5f8ccce2e1f14511bf376a1ee8340070fd7039f0d22b2ad5eda"`
[INFO] [stdout] b1f72dc1c8afc5f8ccce2e1f14511bf376a1ee8340070fd7039f0d22b2ad5eda