[INFO] updating cached repository chupe/rust-simple_programming_problems
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/chupe/rust-simple_programming_problems
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/chupe/rust-simple_programming_problems" "work/ex/beta-1.37-6/sources/1.36.0/gh/chupe/rust-simple_programming_problems"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/chupe/rust-simple_programming_problems'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/chupe/rust-simple_programming_problems" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/chupe/rust-simple_programming_problems"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/chupe/rust-simple_programming_problems'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fc94de93565f1ee535ad0a8e79d336dfa0c54723
[INFO] sha for GitHub repo chupe/rust-simple_programming_problems: fc94de93565f1ee535ad0a8e79d336dfa0c54723
[INFO] validating manifest of chupe/rust-simple_programming_problems 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 chupe/rust-simple_programming_problems 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 chupe/rust-simple_programming_problems
[INFO] finished frobbing chupe/rust-simple_programming_problems
[INFO] frobbed toml for chupe/rust-simple_programming_problems written to work/ex/beta-1.37-6/sources/1.36.0/gh/chupe/rust-simple_programming_problems/Cargo.toml
[INFO] started frobbing chupe/rust-simple_programming_problems
[INFO] finished frobbing chupe/rust-simple_programming_problems
[INFO] frobbed toml for chupe/rust-simple_programming_problems written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/chupe/rust-simple_programming_problems/Cargo.toml
[INFO] crate chupe/rust-simple_programming_problems 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] 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 chupe/rust-simple_programming_problems against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/chupe/rust-simple_programming_problems:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 21af076a26581a47a15d95bd946ab08e8965a23d9d3427e059a789bd705d417c
[INFO] running `"docker" "start" "-a" "21af076a26581a47a15d95bd946ab08e8965a23d9d3427e059a789bd705d417c"`
[INFO] [stderr]    Compiling simple_programming_problems v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "21af076a26581a47a15d95bd946ab08e8965a23d9d3427e059a789bd705d417c"`
[INFO] running `"docker" "rm" "-f" "21af076a26581a47a15d95bd946ab08e8965a23d9d3427e059a789bd705d417c"`
[INFO] [stdout] 21af076a26581a47a15d95bd946ab08e8965a23d9d3427e059a789bd705d417c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/chupe/rust-simple_programming_problems:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3bbff0e63d04100fc07557d064a5b1fa3de295c1dd5d86a6b62303a992932b77
[INFO] running `"docker" "start" "-a" "3bbff0e63d04100fc07557d064a5b1fa3de295c1dd5d86a6b62303a992932b77"`
[INFO] [stderr]    Compiling simple_programming_problems v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "3bbff0e63d04100fc07557d064a5b1fa3de295c1dd5d86a6b62303a992932b77"`
[INFO] running `"docker" "rm" "-f" "3bbff0e63d04100fc07557d064a5b1fa3de295c1dd5d86a6b62303a992932b77"`
[INFO] [stdout] 3bbff0e63d04100fc07557d064a5b1fa3de295c1dd5d86a6b62303a992932b77
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/chupe/rust-simple_programming_problems:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] ad0665efcdc7ddd7c808f8f9c72655888e152578a4a29571259e26a2ca1f65e1
[INFO] running `"docker" "start" "-a" "ad0665efcdc7ddd7c808f8f9c72655888e152578a4a29571259e26a2ca1f65e1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/simple_programming_problems-67595b98c45fc133
[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" "ad0665efcdc7ddd7c808f8f9c72655888e152578a4a29571259e26a2ca1f65e1"`
[INFO] running `"docker" "rm" "-f" "ad0665efcdc7ddd7c808f8f9c72655888e152578a4a29571259e26a2ca1f65e1"`
[INFO] [stdout] ad0665efcdc7ddd7c808f8f9c72655888e152578a4a29571259e26a2ca1f65e1