[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-1.38-1/sources/1.37.0/gh/ktat/rust_practice"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ktat/rust_practice'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ktat/rust_practice" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ktat/rust_practice"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ktat/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 ktat/rust_practice
[INFO] finished frobbing ktat/rust_practice
[INFO] frobbed toml for ktat/rust_practice written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 ktat/rust_practice 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 745376e65069abfe3e7e2bd835eed1702e9f71bd77a9b249b28468b6a3e1a90f
[INFO] running `"docker" "start" "-a" "745376e65069abfe3e7e2bd835eed1702e9f71bd77a9b249b28468b6a3e1a90f"`
[INFO] [stderr]    Compiling rust_practice v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `"docker" "inspect" "745376e65069abfe3e7e2bd835eed1702e9f71bd77a9b249b28468b6a3e1a90f"`
[INFO] running `"docker" "rm" "-f" "745376e65069abfe3e7e2bd835eed1702e9f71bd77a9b249b28468b6a3e1a90f"`
[INFO] [stdout] 745376e65069abfe3e7e2bd835eed1702e9f71bd77a9b249b28468b6a3e1a90f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] df8e80d029b168495654f90ec7eba6ccf97889c4c1d85c3e6cb8f3fe566ec603
[INFO] running `"docker" "start" "-a" "df8e80d029b168495654f90ec7eba6ccf97889c4c1d85c3e6cb8f3fe566ec603"`
[INFO] [stderr]    Compiling rust_practice v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "df8e80d029b168495654f90ec7eba6ccf97889c4c1d85c3e6cb8f3fe566ec603"`
[INFO] running `"docker" "rm" "-f" "df8e80d029b168495654f90ec7eba6ccf97889c4c1d85c3e6cb8f3fe566ec603"`
[INFO] [stdout] df8e80d029b168495654f90ec7eba6ccf97889c4c1d85c3e6cb8f3fe566ec603
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] cffee264a2ea451f4f12723b9230c906e186c1e4aaa151035e6c74c01a36d2ab
[INFO] running `"docker" "start" "-a" "cffee264a2ea451f4f12723b9230c906e186c1e4aaa151035e6c74c01a36d2ab"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_practice-2663825b2dc2e19f
[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" "cffee264a2ea451f4f12723b9230c906e186c1e4aaa151035e6c74c01a36d2ab"`
[INFO] running `"docker" "rm" "-f" "cffee264a2ea451f4f12723b9230c906e186c1e4aaa151035e6c74c01a36d2ab"`
[INFO] [stdout] cffee264a2ea451f4f12723b9230c906e186c1e4aaa151035e6c74c01a36d2ab