[INFO] updating cached repository ktat/rust_practice
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ktat/rust_practice
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ktat/rust_practice" "work/ex/beta-1.37-6/sources/1.36.0/gh/ktat/rust_practice"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ktat/rust_practice'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ktat/rust_practice" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ktat/rust_practice"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ktat/rust_practice'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e24829a52a11f66a1a2d4ff4a0f65b347afd89a6
[INFO] sha for GitHub repo ktat/rust_practice: e24829a52a11f66a1a2d4ff4a0f65b347afd89a6
[INFO] validating manifest of ktat/rust_practice on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ktat/rust_practice on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ktat/rust_practice
[INFO] finished frobbing ktat/rust_practice
[INFO] frobbed toml for ktat/rust_practice written to work/ex/beta-1.37-6/sources/1.36.0/gh/ktat/rust_practice/Cargo.toml
[INFO] started frobbing ktat/rust_practice
[INFO] finished frobbing ktat/rust_practice
[INFO] frobbed toml for ktat/rust_practice written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ktat/rust_practice/Cargo.toml
[INFO] crate ktat/rust_practice already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing ktat/rust_practice against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ktat/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 325af88cc1507efc7897c0150b570070774738c2a6b9fb469afdb89f561b699c
[INFO] running `"docker" "start" "-a" "325af88cc1507efc7897c0150b570070774738c2a6b9fb469afdb89f561b699c"`
[INFO] [stderr]    Compiling rust_practice v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `"docker" "inspect" "325af88cc1507efc7897c0150b570070774738c2a6b9fb469afdb89f561b699c"`
[INFO] running `"docker" "rm" "-f" "325af88cc1507efc7897c0150b570070774738c2a6b9fb469afdb89f561b699c"`
[INFO] [stdout] 325af88cc1507efc7897c0150b570070774738c2a6b9fb469afdb89f561b699c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ktat/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] cefd9b9f04d4aa7ac2218cb4a4f1a850b1fd2b241033d6c02c0bd48a12e6841e
[INFO] running `"docker" "start" "-a" "cefd9b9f04d4aa7ac2218cb4a4f1a850b1fd2b241033d6c02c0bd48a12e6841e"`
[INFO] [stderr]    Compiling rust_practice v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "cefd9b9f04d4aa7ac2218cb4a4f1a850b1fd2b241033d6c02c0bd48a12e6841e"`
[INFO] running `"docker" "rm" "-f" "cefd9b9f04d4aa7ac2218cb4a4f1a850b1fd2b241033d6c02c0bd48a12e6841e"`
[INFO] [stdout] cefd9b9f04d4aa7ac2218cb4a4f1a850b1fd2b241033d6c02c0bd48a12e6841e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ktat/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 8b64b81fa69a5df6ba785565ed7b1825941a7ea811561df89e444ec0620559d1
[INFO] running `"docker" "start" "-a" "8b64b81fa69a5df6ba785565ed7b1825941a7ea811561df89e444ec0620559d1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_practice-3cbb3614e0153674
[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" "8b64b81fa69a5df6ba785565ed7b1825941a7ea811561df89e444ec0620559d1"`
[INFO] running `"docker" "rm" "-f" "8b64b81fa69a5df6ba785565ed7b1825941a7ea811561df89e444ec0620559d1"`
[INFO] [stdout] 8b64b81fa69a5df6ba785565ed7b1825941a7ea811561df89e444ec0620559d1