[INFO] updating cached repository huming0618/rust-practice
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/huming0618/rust-practice
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/huming0618/rust-practice" "work/ex/beta-1.38-1/sources/1.37.0/gh/huming0618/rust-practice"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/huming0618/rust-practice'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/huming0618/rust-practice" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/huming0618/rust-practice"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/huming0618/rust-practice'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 81ffc78acb1d650f225088038e92d1dba84a865d
[INFO] sha for GitHub repo huming0618/rust-practice: 81ffc78acb1d650f225088038e92d1dba84a865d
[INFO] validating manifest of huming0618/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 huming0618/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 huming0618/rust-practice
[INFO] finished frobbing huming0618/rust-practice
[INFO] frobbed toml for huming0618/rust-practice written to work/ex/beta-1.38-1/sources/1.37.0/gh/huming0618/rust-practice/Cargo.toml
[INFO] started frobbing huming0618/rust-practice
[INFO] finished frobbing huming0618/rust-practice
[INFO] frobbed toml for huming0618/rust-practice written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/huming0618/rust-practice/Cargo.toml
[INFO] crate huming0618/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 huming0618/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-3/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/huming0618/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] 22b8ca1c38adf2acb5c0dbeb64ad61842c21b2fb0797e5954bc91edde16ffd43
[INFO] running `"docker" "start" "-a" "22b8ca1c38adf2acb5c0dbeb64ad61842c21b2fb0797e5954bc91edde16ffd43"`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "22b8ca1c38adf2acb5c0dbeb64ad61842c21b2fb0797e5954bc91edde16ffd43"`
[INFO] running `"docker" "rm" "-f" "22b8ca1c38adf2acb5c0dbeb64ad61842c21b2fb0797e5954bc91edde16ffd43"`
[INFO] [stdout] 22b8ca1c38adf2acb5c0dbeb64ad61842c21b2fb0797e5954bc91edde16ffd43
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/huming0618/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] d4bc23cd8f0627cdc30b6a81b7f2e5aaf507a0c24d2bc2552c9de9e08439b0ca
[INFO] running `"docker" "start" "-a" "d4bc23cd8f0627cdc30b6a81b7f2e5aaf507a0c24d2bc2552c9de9e08439b0ca"`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `"docker" "inspect" "d4bc23cd8f0627cdc30b6a81b7f2e5aaf507a0c24d2bc2552c9de9e08439b0ca"`
[INFO] running `"docker" "rm" "-f" "d4bc23cd8f0627cdc30b6a81b7f2e5aaf507a0c24d2bc2552c9de9e08439b0ca"`
[INFO] [stdout] d4bc23cd8f0627cdc30b6a81b7f2e5aaf507a0c24d2bc2552c9de9e08439b0ca
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/huming0618/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] 4a1e7d2606744f9112b95edf0cafa83ee3454076083f31af332c96757e684a74
[INFO] running `"docker" "start" "-a" "4a1e7d2606744f9112b95edf0cafa83ee3454076083f31af332c96757e684a74"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello_world-da1d7ac21bb3a396
[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" "4a1e7d2606744f9112b95edf0cafa83ee3454076083f31af332c96757e684a74"`
[INFO] running `"docker" "rm" "-f" "4a1e7d2606744f9112b95edf0cafa83ee3454076083f31af332c96757e684a74"`
[INFO] [stdout] 4a1e7d2606744f9112b95edf0cafa83ee3454076083f31af332c96757e684a74