[INFO] updating cached repository nd4pa/Learning_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nd4pa/Learning_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nd4pa/Learning_rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/nd4pa/Learning_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/nd4pa/Learning_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nd4pa/Learning_rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nd4pa/Learning_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nd4pa/Learning_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e2d49d39a7ff8e4a7ed550d82fc389def21cbd9a
[INFO] sha for GitHub repo nd4pa/Learning_rust: e2d49d39a7ff8e4a7ed550d82fc389def21cbd9a
[INFO] validating manifest of nd4pa/Learning_rust 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 nd4pa/Learning_rust 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 nd4pa/Learning_rust
[INFO] finished frobbing nd4pa/Learning_rust
[INFO] frobbed toml for nd4pa/Learning_rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/nd4pa/Learning_rust/Cargo.toml
[INFO] started frobbing nd4pa/Learning_rust
[INFO] finished frobbing nd4pa/Learning_rust
[INFO] frobbed toml for nd4pa/Learning_rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nd4pa/Learning_rust/Cargo.toml
[INFO] crate nd4pa/Learning_rust 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 nd4pa/Learning_rust 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nd4pa/Learning_rust:/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] d477af2da33a10cbec678e5e67c30c0507a3160b72854b29f7c7de56639d8200
[INFO] running `"docker" "start" "-a" "d477af2da33a10cbec678e5e67c30c0507a3160b72854b29f7c7de56639d8200"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "d477af2da33a10cbec678e5e67c30c0507a3160b72854b29f7c7de56639d8200"`
[INFO] running `"docker" "rm" "-f" "d477af2da33a10cbec678e5e67c30c0507a3160b72854b29f7c7de56639d8200"`
[INFO] [stdout] d477af2da33a10cbec678e5e67c30c0507a3160b72854b29f7c7de56639d8200
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nd4pa/Learning_rust:/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] 53021737f12d14086a757136db59c60c3f6ecffe47ab67ac24f4c64bbd01b8a4
[INFO] running `"docker" "start" "-a" "53021737f12d14086a757136db59c60c3f6ecffe47ab67ac24f4c64bbd01b8a4"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "53021737f12d14086a757136db59c60c3f6ecffe47ab67ac24f4c64bbd01b8a4"`
[INFO] running `"docker" "rm" "-f" "53021737f12d14086a757136db59c60c3f6ecffe47ab67ac24f4c64bbd01b8a4"`
[INFO] [stdout] 53021737f12d14086a757136db59c60c3f6ecffe47ab67ac24f4c64bbd01b8a4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nd4pa/Learning_rust:/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] 9bc0259dd895b983700938ab889e891e1b80ffbd73bcf430fa6d12d8071dcfec
[INFO] running `"docker" "start" "-a" "9bc0259dd895b983700938ab889e891e1b80ffbd73bcf430fa6d12d8071dcfec"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-64d90480f8cf67f9
[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" "9bc0259dd895b983700938ab889e891e1b80ffbd73bcf430fa6d12d8071dcfec"`
[INFO] running `"docker" "rm" "-f" "9bc0259dd895b983700938ab889e891e1b80ffbd73bcf430fa6d12d8071dcfec"`
[INFO] [stdout] 9bc0259dd895b983700938ab889e891e1b80ffbd73bcf430fa6d12d8071dcfec