[INFO] updating cached repository bhavya95/rust_practice
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bhavya95/rust_practice
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bhavya95/rust_practice" "work/ex/beta-1.38-1/sources/1.37.0/gh/bhavya95/rust_practice"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/bhavya95/rust_practice'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bhavya95/rust_practice" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bhavya95/rust_practice"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bhavya95/rust_practice'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c8b4a2d08c4675943a09aa818ced37c3e043585a
[INFO] sha for GitHub repo bhavya95/rust_practice: c8b4a2d08c4675943a09aa818ced37c3e043585a
[INFO] validating manifest of bhavya95/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 bhavya95/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 bhavya95/rust_practice
[INFO] finished frobbing bhavya95/rust_practice
[INFO] frobbed toml for bhavya95/rust_practice written to work/ex/beta-1.38-1/sources/1.37.0/gh/bhavya95/rust_practice/Cargo.toml
[INFO] started frobbing bhavya95/rust_practice
[INFO] finished frobbing bhavya95/rust_practice
[INFO] frobbed toml for bhavya95/rust_practice written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bhavya95/rust_practice/Cargo.toml
[INFO] crate bhavya95/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 bhavya95/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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bhavya95/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] d158bf1359a639ab3eaebbf77590ed0fbb8282ed7800b6a3077b5cdbcb016b3f
[INFO] running `"docker" "start" "-a" "d158bf1359a639ab3eaebbf77590ed0fbb8282ed7800b6a3077b5cdbcb016b3f"`
[INFO] [stderr]    Compiling rust_sandbox v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "d158bf1359a639ab3eaebbf77590ed0fbb8282ed7800b6a3077b5cdbcb016b3f"`
[INFO] running `"docker" "rm" "-f" "d158bf1359a639ab3eaebbf77590ed0fbb8282ed7800b6a3077b5cdbcb016b3f"`
[INFO] [stdout] d158bf1359a639ab3eaebbf77590ed0fbb8282ed7800b6a3077b5cdbcb016b3f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bhavya95/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] 29ec31cf106c20fb7aa1d3c0898b131641fe3c920178834b958f95a563811ece
[INFO] running `"docker" "start" "-a" "29ec31cf106c20fb7aa1d3c0898b131641fe3c920178834b958f95a563811ece"`
[INFO] [stderr]    Compiling rust_sandbox v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "29ec31cf106c20fb7aa1d3c0898b131641fe3c920178834b958f95a563811ece"`
[INFO] running `"docker" "rm" "-f" "29ec31cf106c20fb7aa1d3c0898b131641fe3c920178834b958f95a563811ece"`
[INFO] [stdout] 29ec31cf106c20fb7aa1d3c0898b131641fe3c920178834b958f95a563811ece
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bhavya95/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] cc7d25819eca8c533d9bdddfae729c991f50dc1f9012e0dde9f57db7e702f7a3
[INFO] running `"docker" "start" "-a" "cc7d25819eca8c533d9bdddfae729c991f50dc1f9012e0dde9f57db7e702f7a3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_sandbox-ac9c8ea116fff665
[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" "cc7d25819eca8c533d9bdddfae729c991f50dc1f9012e0dde9f57db7e702f7a3"`
[INFO] running `"docker" "rm" "-f" "cc7d25819eca8c533d9bdddfae729c991f50dc1f9012e0dde9f57db7e702f7a3"`
[INFO] [stdout] cc7d25819eca8c533d9bdddfae729c991f50dc1f9012e0dde9f57db7e702f7a3