[INFO] updating cached repository baptistecolin/rust_practice
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/baptistecolin/rust_practice
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/baptistecolin/rust_practice" "work/ex/beta-1.38-1/sources/1.37.0/gh/baptistecolin/rust_practice"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/baptistecolin/rust_practice'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/baptistecolin/rust_practice" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/baptistecolin/rust_practice"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/baptistecolin/rust_practice'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6039466c95ec892cc88a580760ad4e59fbdfef4b
[INFO] sha for GitHub repo baptistecolin/rust_practice: 6039466c95ec892cc88a580760ad4e59fbdfef4b
[INFO] validating manifest of baptistecolin/rust_practice 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 baptistecolin/rust_practice 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 baptistecolin/rust_practice
[INFO] finished frobbing baptistecolin/rust_practice
[INFO] frobbed toml for baptistecolin/rust_practice written to work/ex/beta-1.38-1/sources/1.37.0/gh/baptistecolin/rust_practice/Cargo.toml
[INFO] started frobbing baptistecolin/rust_practice
[INFO] finished frobbing baptistecolin/rust_practice
[INFO] frobbed toml for baptistecolin/rust_practice written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/baptistecolin/rust_practice/Cargo.toml
[INFO] crate baptistecolin/rust_practice 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 baptistecolin/rust_practice 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/baptistecolin/rust_practice:/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] 4fcf9e17e474db2df77e4ff239fe7273ea2d2b85bb88a0ff950a389b145792ab
[INFO] running `"docker" "start" "-a" "4fcf9e17e474db2df77e4ff239fe7273ea2d2b85bb88a0ff950a389b145792ab"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "4fcf9e17e474db2df77e4ff239fe7273ea2d2b85bb88a0ff950a389b145792ab"`
[INFO] running `"docker" "rm" "-f" "4fcf9e17e474db2df77e4ff239fe7273ea2d2b85bb88a0ff950a389b145792ab"`
[INFO] [stdout] 4fcf9e17e474db2df77e4ff239fe7273ea2d2b85bb88a0ff950a389b145792ab
[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/baptistecolin/rust_practice:/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] ce645d934ae0bcb1c6bf227c453b85ab64d0758387dd6b19938e7f3a951e8be9
[INFO] running `"docker" "start" "-a" "ce645d934ae0bcb1c6bf227c453b85ab64d0758387dd6b19938e7f3a951e8be9"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "ce645d934ae0bcb1c6bf227c453b85ab64d0758387dd6b19938e7f3a951e8be9"`
[INFO] running `"docker" "rm" "-f" "ce645d934ae0bcb1c6bf227c453b85ab64d0758387dd6b19938e7f3a951e8be9"`
[INFO] [stdout] ce645d934ae0bcb1c6bf227c453b85ab64d0758387dd6b19938e7f3a951e8be9
[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/baptistecolin/rust_practice:/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] 9c84c40754114b67bec46737b007a46df506fe0ba657ca1461ac2046fe2ca5b2
[INFO] running `"docker" "start" "-a" "9c84c40754114b67bec46737b007a46df506fe0ba657ca1461ac2046fe2ca5b2"`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-09562cfa0351aa8b
[INFO] running `"docker" "inspect" "9c84c40754114b67bec46737b007a46df506fe0ba657ca1461ac2046fe2ca5b2"`
[INFO] running `"docker" "rm" "-f" "9c84c40754114b67bec46737b007a46df506fe0ba657ca1461ac2046fe2ca5b2"`
[INFO] [stdout] 9c84c40754114b67bec46737b007a46df506fe0ba657ca1461ac2046fe2ca5b2